The concentration of solutions is measured in a unit called moles (M). Now that you know this, use the picture to answer questions #1 - #5. The picture shows a red blood cell floating in a solution in a beaker. The picture also shows the concentrations of salt inside the red blood cell and the concentration of salt in the beaker.
Answers
Red blood cells (RBCs) would have a larger solute content outside of them than inside of them if they were detected in a concentrated salt solution.
Osmosis would cause the water to leak out of the cell, causing it to shrivel and stop functioning.
What occurs to red blood cells when they are exposed to a hypertonic solution?A red blood cell will swell up in a hypotonic solution and maybe rupture, but in a hypertonic solution it would shrink, making the cytoplasm thick and its contents concentrated, and may even perish.
Active transport involves the movement of chemicals from a low-concentration location to a high-concentration area in opposition to the concentration gradient. Being "active" means that this process uses energy (usually in the form of ATP).
Due to the diffusion mechanism, which asserts that water flows from a high concentration of water (RBC) to a low concentration of water when a cell is immersed in a concentrated solution (saline water).
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Related Questions
according to lorenz, the fact that organisms have a predisposition toward learning results in?
Answers
Explanation:
According to Lorenz, imprinting is the result of a predisposition toward learning, the readiness of an organism's nervous system to acquire certain information during a brief critical period in early life.
According to Lorenz, imprinting is the outcome of an organism's neural system being prepared to learn specific information during a brief crucial period in early life.
What is predisposition?Predisposition is defined as inclination toward a quality or condition, typically resulting from the interaction of hereditary and environmental variables. The condition has an inherited hereditary propensity. He has no medical history that may have suggested a tendency toward this are some of the examples of predisposition.
The distinct cultural influences that infants experience from birth, such as those related to food, language, art, and religion, have an impact on how they develop emotionally, socially, physically, and linguistically.
Thus, according to Lorenz, imprinting is the outcome of an organism's neural system being prepared to learn specific information during a brief crucial period in early life.
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The model below illustrates steps in the process of cellular respiration. Some arrows are solid, while some are dashed.
*Model shown in picture*
Students are discussing the model. Student A feels like the model is complete. Student B disagrees and thinks molecules are missing.
Which student is correct and why?
Question 1 options:
Student A is correct because the diagram shows the movement of all molecules and the inputs and outputs for all steps.
Both students are correct because the dashed lines represent the electron and hydrogen carrier molecules, but should be labeled as NADH and FADH2.
Student B is correct because major inputs are missing from the reactions.
Student B is correct because major outputs are missing from the reactions.
Answers
Regarding the model illustrating the steps in the process of cellular respiration both the students are correct because the dashed lines represent the electron and hydrogen carrier molecules, but should be labeled as NADH and FADH2.
Cellular respiration is the process of breakdown of the glucose molecules to yield energy to perform all the processes inside the body. There are three processes performed in cellular respiration. These are: Glycolysis, Krebs cycle and Electron Transport Chain.
NADH is Nicotinamide adenine dinucleotide (NAD) + hydrogen (H). It is an electron carrier and an energy derivative as the electrons it carries are passed on the the ETS to synthesize energy in the form of ATP.
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Question
Which statement best explains how enzymes speed up chemical reactions?
Responses
1. Enzymes gain heat from chemical reactions.
2. Enzymes use light energy to speed up chemical reactions.
3. Enzymes lower the activation energy of a reaction.
4. Enzymes change shape during chemical reactions.
Answers
Enzymes speed up the chemical reactions (3) by lowering the activation energy of a reaction.
Enzymes are the biological catalysts that enhance the rate of chemical reactions inside the living organisms. These enzymes are very essential to make the body function normally. The various examples of enzymes present inside the human body are: pepsin, amylase, catalase, etc.
Activation energy is the minimum amount of energy required to begin a chemical reaction. More is the activation energy more is the time required to complete the chemical reaction. This is the reason why enzymes are required to speed up the chemical reactions.
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C. "Enzymes lower the activation energy of a reaction."
answer the question on the image for 20 points
Answers
The correct answers are D. Clouds and B. Storm systems.
Explanation
Convection currents are the result of a physical-chemical process in which chemicals are heated and this decreases their density, causing their elevation. At the same time, the elements in the top sink because of lost temperature and increase in density, creating a cycle. According to the above, the correct answers are B Clouds and D. Storm Systems. Clouds are the result of a cycle of water, in which the water on the earth in a liquid state evaporates due to the caloric energy from the sun, changing to a gas state and go up until becoming droplets again in a process called condensation forming cloud. Once the cloud is very heavy and lost its temperature, it precipitates to the earth due to the force of gravity, and then the cycle starts again. Secondly, storm systems are a kind of cloud, those clouds develop vertically thanks to the convection process, in this, the same process occurs but the clouds have an internal air stream that makes that the clouds grow up vertically producing storms, those clouds are known as Cumulonimbus and Cumulus congestus. So, the correct answers are D. Clouds and B.Storm systems.
Help asp I’ll give BRAINLIEST!!
Answers
How small are the cells that live in and on the human body
Answers
Answer:
The size of human cells varies from one to another, but they are all very small. Even the largest of all, the fertilized egg, is so small that it is not visible without the need for special instruments.
Explanation:
Some traits are part of an organism's physical appearance, such as a person's eye color, height or weight. Other sorts of traits are not easily seen and include blood types or resistance to diseases. Some traits are inherited through our genes, so tall and thin people tend to have tall and thin children. Other traits come from interactions between our genes and the environment, so a child might inherit the tendency to be tall, but if they are poorly nourished, they will still be short. The way our genes and environment interact to produce a trait can be complicated. For example, the chances of somebody dying of cancer or heart disease seems to depend on both their genes and their lifestyle.
Genes are made from a long molecule called DNA, which is copied and inherited across generations. DNA is made of simple units that line up in a particular order within this large molecule. The order of these units carries genetic information, similar to how the order of letters on a page carries information. The language used by DNA is called the genetic code, which lets organisms read the information in the genes. This information is the instructions for constructing and operating a living organism.
The information within a particular gene is not always exactly the same between one organism and another, so different copies of a gene do not always give exactly the same instructions. Each unique form of a single gene is called an allele. As an example, one allele for the gene for hair color could instruct the body to produce much pigment, producing black hair, while a different allele of the same gene might give garbled instructions that fail to produce any pigment, giving white hair. Mutations are random changes in genes and can create new alleles. Mutations can also produce new traits, such as when mutations to an allele for black hair produce a new allele for white hair. This appearance of new traits is important in evolution.
Ecological succession is started by
A. fertilizer
B. a disturbance
C. addition of carbon to soil
Answers
Ecological succession is initiated by changes that occur in the environment such as a disturbance; option B.
What is ecological succession?Ecological succession is the process by which the species present in a given habitat gradually change over with the parent species of organisms being replaced with new species of organisms until a stable species is established.
Ecological succession is initiated by changes that occur in the habitat.
These changes include biotic factors such as disease, and competition, and climatic factors such as wind, fire, soil erosion, and natural disasters include climatic factors.
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Answer:B. a disturbance
Explanation:
If a tRNA molecule has an anticodon which reads AUGACA, what was the codon of the mRNA molecule?
Answers
If tRNA molecules have anticodons that can be read as AUG and ACA, then the codons of the mRNA molecule are UAC UGU.
What is a tRNA molecule?A tRNA molecule is a specific type of RNA that links the code in transcription (i.e. the mRNA0 to the growing polypeptide chain during the process of translations. A tRNA molecule contains an anticodon that is complementary to the codon in mRNA
Therefore, we can conclude that a tRNA molecule that contains AUG as an anticodon will bind to an mRNA molecule that contains its complementary UAC codon sequence.
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Lumen is the area inside
O Thylakoid
O Struma
O Chlorophyll
Answers
Answer:
Thylakoid
Explanation:
The space inside thylakoid discs is called lumen.
Give a good Explanation and I Will Give Brainiest
Is the coloring of the peppered moths an example of competition, differential reproductive success, or inherited variation? Explain why.
Answers
please help will give brainliest
Answers
Answer:
1. Moleclues
2.organs
3.organisms
4.population
5.biome
6.atoms
7.ecosystem
8.cells
9.morcromuclus
10.tissues
11.cells
12.orangisms
13.community
14.moleclues
15.biome
16.population
17.tissues
18.atom
19.ecosystem
20.community
In your own words, explain what is meant by ecosystem stability and why diversity is important to this stability.
Answers
The ecosystem stability is a term used to describe the capacity of natural systems to apply self-regulating mechanisms to return to an equilibrium state after an outside disturbance in the ecosystem, the diversity is important to maintain that capacity because it leads to a greater stability, since genetic variability, diversity of populations and species and the adaptation to a variaty of condictions is most likely to have a better response to disturbances in the environment (diseases, climate changes, competition, predation, and so on) that way making a ecosystem with more stability.
Give a scenario that shows changes in rock composition
Answers
Answer:
This process is called metamorphism, meaning to "change in form". The result is a profound change in physical properties and chemistry of the stone. The original rock, known as the protolith, transforms into other mineral types or other forms of the same minerals, by recrystallization
Research the issue of genetically modified foods, and then write an essay to be read by your peers in which you argue either for or against their use. Support your position with evidence
Answers
The main draw back of GM foods is that they can have harmful effects on the human body .Consumption of these genetically modified foods can cause many life threatening disease that are resistance to antibodies .
Genetically Modified food are generally produce by the biotechnology processes involving alteration of DNA. This genetic modification is done to develop the organism or crops with enriched nutritional value, expanded resistance to herbicides and pesticides, and reduction of production costs.
The prime argument against GMOs is that it leads to loss of biodiversity, water, and soil nutrients/erosion, through expansion of pesticides , industrial scale agriculture also leads to loss of natural ecosystem.
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What type of pathogen causes malaria?
Answers
What structure or organelle would you find in archaea
Answers
Like bacteria, archaea lack indoors membranes and organelles. Like bacteria, the mobileular membranes of archaea are typically bounded through a mobileular wall and that they swim the use of one or greater flagella.Bacterial and archaeal cells do now no longer have a membrane-sure nucleus.
Their genetic materials (DNA) are inside the cytoplasm. They additionally lack different membrane-sure mobileular organelles, consisting of mitochondria, chloroplasts, endoplasmic reticulum (ER), and Golgi apparatus.The 3 number one areas of an archaeal mobileular are the cytoplasm, mobileular membrane, and mobileular wall. Above, those 3 areas are labelled, with an growth at proper of the mobileular membrane structure.
Archaeal floor systems are concerned in such numerous features as swimming, attachment to surfaces, mobileular to mobileular touch ensuing in genetic transfer, biofilm formation, and feasible intercellular communication.
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what is the the relationship between a geographical location distance from the equator and climates tempature?
Answers
Answer:
There is a relationship between latitude and temperature around the world, as temperatures are typically warmer approaching the Equator and cooler approaching the Poles. There are variations, though, as other factors such as elevation, ocean currents, and precipitation affect climate patterns.
Answer:
The distance from the equator affects the climate of a place. At the poles, energy from the sun reaches the Earth's surface at lower angles and passes through a thicker layer of atmosphere than at the equator. This means the climate is cooler further from the Equator.
Client-centered veterinary hospitals allow for:
Answers
Veterinary practice today presents an interesting landscape. It is now extremely clear that veterinary medicine is a service business and that we must engage our clients in a way that promotes a level of trust, so that clients will be open and receptive to medical recommendations, offered to advance the wellbeing of their pet (or production animals).
The economic challenges of the past four years have circled the globe and presented new and additional business pressures for many veterinarians relative to the fiscally sound operation of their practices. Many veterinarians blame the economic downturn and slow recovery for the flat returns or declines in their business revenues during these interesting times. The Bayer Veterinary Care Usage study conducted in 2010 and 2011 lends credence to this view noting that 51% of practice report fewer visits and 42% of practice report reduced revenues. Several key elements were identified in this study including: the economic downturn, fragmentation of veterinary services, resistance by the feline sector (to seek veterinary services), use of the Internet to gain information, the perception that health care visits are unnecessary and the high (real or perceived) cost of healthcare. It's interesting to note that amongst the challenges enumerated, all but the economic downturn and fragmentation of service are issues that can be addressed through client education.
The veterinary profession across the United States and perhaps elsewhere, has not done a good job of educating our clients about the need for regular, thorough preventative health care for their animals, animals that they consider to be family members and in some cases, child surrogates. It is essential that veterinary health care teams engage in relationship centered, compliance driven care, designed to enhance the wellbeing and longevity of pets. That requires that we demonstrate (explain) the value of preventative health care to our clients so that their pets will live comfortably into their full genetic potential.
The truth is that there are many practices that are doing great medicine, harvesting great profits and enjoying the practice of medicine while others languish and even decline.
How can this be? I believe it all comes down to attitude. Attitude controls our thinking and our actions. By extension, attitude controls our commitment to a successful future, our focus, energy, and actions. My hope is to share with you, a series of ideas for you to consider implementing in your hospital so that you too, can have that "ideal" practice. There is however, a catch...you must be open to new ideas and willing to change what you do?
Most folks who are dissatisfied with the results of their practice efforts are inclined to continue focusing on the same goals, using the same methods, pursuing the same tasks and working harder than ever to achieve their desired end. The thinking is that "if I just work a little harder, this will all turn around". It's been said that doing the same thing over and over and expecting different results is the working definition of insanity.
This is paradigm paralysis in its most obvious form. It occurs when we allow our paradigm to become THE paradigm. As we become deeply vested in a given paradigm, our resistance to change increases. In fact, we are so vested in our current paradigm that we can't even envision a different paradigm. Folks stay locked on their known and comfortable but generally underwhelming operational track and as a result, their businesses languish.
The paradigm shift that must occur is that the appointment becomes a client-centered experience. Practices must shift from simply delivering a service or a product (many of which are available over the internet and large retail outlets) and deliver an experience. Health care teams must adopt an approach of under-promising and over-delivering on opportunities for "best care" in the most relational and bonded way possible.
The reaction below is an example of a(n) _____ reaction.
ADP + P --> ATP
endergonic
exergonic
Answers
The reaction ADP + P --> ATP is an example of an endergonic reaction because it needs free energy to continue (Option A).
What is an endergonic reaction?An endergonic reaction is one that needs to obtain energy from the surrounding media in order to continue. Conversely, an exergonic reaction can proceed by releasing an amount of energy that allows continuing the process.
Therefore, we can conclude that the condensation of adenosine diphosphate or ADP and monophosphate or P to form adenosine triphosphate or ATP reaction is endergonic that only happens if more energy is provided by the surrounding media (Option A).
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ch correct answer.
Question
1. Which of the following are factors that
can change or be changed within an
experiment?
2. Which type of variable is purposely
manipulated or changed in an
experiment?
3. Which type of variable must be kept
constant and unchanged throughout an
experiment so that the results are valid?
Answers
Answer:
1- a variable
2- independent variable
3- control variable
Explanation:
I hope this helps i took biology last year im a junior now so
A mangrove swamp is an area with high salt concentration and low oxygen content. this area is also exposed to high light intensityState the adaptation of the roots of mangrove trees to live in their habitat
Answers
Mangrove trees have floating roots called pneumatophores. These roots have special respiratory characteristic which enables it to absorb atmospheric oxygen into the plant.
The layer of gases that surrounds a planet is known as the _________________________?
Question 6 options:
biosphere
hemisphere
atmosphere
hydrosphere
Answers
Answer:
the answer is atmosphere
what is the problem of DECREASED AIR QUALITY AND INCREASED SMOG and why is it important? (science)
Answers
Answer:
They can both increase the risk of heart and respiratory diseases, as well as lung cancer.
Explanation:
Air pollution is a major cause of premature death and disease, and is the single largest environmental health risk in Europe. Latest estimates by the European Environment Agency (EEA) show that fine particulate matter continues to cause the most substantial health impacts. Most Europeans live in areas, especially cities, where air pollution can reach high levels. Both short- and long-term exposure to air pollution can lead to a wide range of diseases, including stroke, chronic obstructive pulmonary disease, trachea, bronchus and lung cancers, aggravated asthma and lower respiratory infections.
View the pancreas slide and Label cells and ECM of the connective tissue,
Answers
The given diagram is labelled with the Cell and ECM of the connective tissue.
Cell- The fundamental units of all living organisms are cells. There are many billions of cells in a human body. They provide the body structure, absorb nutrients from meals, turn those into energy, and perform certain tasks.
Extracellular Matrix- The extracellular matrix (ECM) is a complex network made up of several multidomain macromolecules arranged according to the cell/tissue in which they are found. The mechanical characteristics of tissues are influenced by the structural stability of the composite formed by the linking of ECM components.
Connective Tissue- The tissue that joins or divides all other kinds of tissues throughout the body and provides support for them all is known as connective tissue.
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Please answer somebody right now
Answers
Which of the following is a derived characteristic in dogs?
a. Four limbs
b. Amniotic egg
c. Hair
d. Shearing teeth
e. Retractable claws
Answers
The following is a derived characteristic in dogs is Shearing teeth.
The correct option is D.
Briefing:Premolars: These 16 teeth (eight on top and eight on bottom), which are located behind the canine teeth, are utilized for shearing.
What kinds of animals lay amniotic eggs?Mammalian, reptilian, and avian species all produce amniotic eggs. Since amphibian eggs don't have an amnion, depositing them on land would result in their drying out, hence they are instead laid in water.
Is a chicken egg an amniotic egg?A unique type of egg is the chicken's egg. It features membranes surrounding the growing chick and a shell to aid prevent drying. Amniotes, a category that comprises turtles, lizards, birds, dinosaurs, and mammals, are the only animals that lay this particular type of egg.
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Which of the following is not a way that fats are used in living things
As parts of biological membranes
To store energy
To give plants rigidity
As chemical messengers
amen brother, man amen
I have more questions like 3 can you answer those to
Answers
To give plants rigidity is not a way that fats are used in living things.
Plant Rigidity- It is constituted primarily of cellulose, pectin, with hemicellulose and has a stiff, hard structure. Plants have one to two layers in their cell walls. The main cell wall is the initial layer. Just below this layer, there can be another layer. The second cell wall is the name of the new layer.
Cell Wall- The cell wall, which is located beside the cell membrane, also known as the plasma membrane, is the outer layer of a cell. As was already established, all plant cells as well as those of fungi, bacteria, algae, as well as some archaea contain a cell wall.
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30. The internal and external calli are replaced by ________.
hyaline cartilage
trabecular bone
osteogenic cells
osteoclasts
31. The first type of bone to form during fracture repair is ________ bone.
compact
lamellar
spongy
dense
32. Wolff’s law, which describes the effect of mechanical forces in bone modeling/remodeling, would predict that ________
a right-handed pitcher will have thicker bones in his right arm compared to his left.
a right-handed cyclist will have thicker bones in her right leg compared to her left.
a broken bone will heal thicker than it was before the fracture.
a bed-ridden patient will have thicker bones than an athlete.
33. Calcium cannot be absorbed from the small intestine if ________ is lacking.
vitamin D
vitamin K
calcitonin
fluoride
34. Which one of the following foods is best for bone health?
carrots
liver
leafy green vegetables
oranges
35. Which of the following hormones are responsible for the adolescent growth spurt?
estrogen and testosterone
calcitonin and calcitriol
growth hormone and parathyroid hormone
thyroxine and progesterone
36. With respect to their direct effects on osseous tissue, which pair of hormones has actions that oppose each other?
estrogen and testosterone
calcitonin and calcitriol
estrogen and progesterone
calcitonin and parathyroid hormone
37. When calcium levels are too high or too low, which body system is primarily affected?
skeletal system
endocrine system
digestive system
nervous system
38. All of the following play a role in calcium homeostasis except
thyroxine
calcitonin
parathyroid hormone
vitamin D
39. Which of the following is most likely to be released when blood calcium levels are elevated?
thyroxine
calcitonin
parathyroid hormone
vitamin D
Answers
Osteoclasts replace the internal and external calli , the first type of bone repaired during fracture repair is dense followed by the formation of hematoma, liver is one of the best food for bone health.
What is hematoma, and what food is best for bone health?Whenever one goes through bone fracture , first a hematoma is formed then the formation of internal and external calli takes place.Liver is the best food for bone health as vitamin K and it maintains the bone and muscle strength.All of the following play a role in calcium homeostasis except thyroxine, thyroxine is a thyroid hormone .When calcium levels are too high or too low skeletal system is primarily affected.Calcitonin lowers the blood calcium level and parathyroid hormone also helps in maintaining the blood calcium level.To know more about calcium visit:
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(FIRST TO ANSWER GETS BRAINLIEST)(EXPLANATION PLEASE AND THANK YOU I NEED THESE ANSWERS IN COMPLETE SENTANCES IF POSSIBLE I NEED THESE BY TODAY) What are eukaryotes? Give some examples..
What happens as an organism increases in size? Why does this happen?
What happens when a cell divides?
Can multicellular organisms be microscopic?
What is one structure found in giant kelp? What is its function?
What is one structure found in a banyan tree? What is its function?
What are the advantages of being multicellular?
What is the function of collar cells in sponges?
What are the disadvantages of being multicellular?
How are multicellular organisms organized?
Why do organisms have organ systems?
What are some of the special organs that help a fish survive in its environment?
Answers
The answers regarding eukaryotes are as follows:
Eukaryotes are cells with well-defined nuclei.Examples of eukaryotic organisms include animals and plants.Cells divide when an organism increases in size.This happens to limit the size to which a cell can grow.When a cell divides, the nucleus as well as other cellular materials divide.Multicellular organisms can be microscopic since cells are very small in sizeThe chloroplast is one structure found in giant kelp. Its function is in photosynthesis.The leaf is a structure found in a banyan tree. It contains chloroplast for photosynthesis.The advantages of being multicellular include being able to have specialized cells for specific functions as well as being able to have larger sizes.The function of collar cells in sponges is to move water through the sponges.The disadvantages of being multicellular include slow responses and requiring large amounts of energy.Multicellular organisms are organized into four levels - cells, tissues, organs, and systems.Organisms have organ systems to enable them to carry out life activities in a specialized way.The special organs that help a fish survive in its environment include the swim bladder, the fins, and the gills.What are eukaryotes?Eukaryotes are organisms that contain membrane-bound organelles.
The nucleus of eukaryotic cells is enclosed within a membrane such that the nucleus is well-defined.
Eukaryotes are the cells found in higher organisms such as plants and animals.
Eukaryotic cells may exist as single cells or unicellular organisms which can live independently ad carry out all the activities of life or they can live as multicellular organisms where cells perform specific functions for the organism.
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The molecules in a cell that prevent water from entering the cell are the_____.
A. nucleotides
B. carbohydrates
C. phospholipids
D. proteins
Answers
Answer:
C
Explanation:
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