Answer:
Cell wall, Chloroplasts, Central vacuole
Explanation:
Answer: cell wall, chloroplast, central vacuole,
Explanation:
Lyme disease, rabies, and malaria are mostly spread bya.bites from animals, such as dogs and mosquitoes.b.contaminated foods, like chicken and beef.c.contaminated objects, like doorknobs.d.indirect contact with an infected person.____6.Many pathogens are kept out of the body by thea.immune system.b.inflammation response.c.lymphatic system.d.skin. ____7.Your body's first line of defense against infectious disease includesa.skin, mucous membranes, saliva, and tears.b.phagocytes, lymphocytes, and pus.c.T cells, B cells, and antibodies.d.the lymphatic system, immune system, and inflammation response.____8.The body's second line of defense against pathogens isa.a vaccine.b.immunity.c.inflammation.d.the skin.____9.The body's third and most sophisticated line of defense against pathogens isa.a vaccination.b.inflammation.c.the immune system.d.the skin.____10.What produces active immunity
Answer:
Explanation:
6. Lyme disease, rabies, and malaria are mostly spread by bites from animals, such as dogs and mosquitoes.
7. Your body's first line of defense against infectious disease includes skin, mucous membranes, saliva, and tears.
8. The body's second line of defense against pathogens is Immunity.
9. .The body's third and most sophisticated line of defense against pathogens is a vaccination.
10.
think of something that would make your life easier, anything from an automatic toothpaste dispenser to an awning that opens up when it senses rain, and imagine how you could actually create it. do you agree with massimo that the arduino makes microcontrollers and coding available to anyone, regardless of experience?
Yes, I agree with Massimo that Arduino makes microcontrollers and coding available to anyone, regardless of experience. Arduino is an open-source electronics platform that provides a user-friendly environment for creating and programming interactive projects.
It simplifies the process of hardware prototyping and allows individuals with little to no prior experience in electronics or programming to dive into the world of microcontrollers.
To create a helpful device like an automatic toothpaste dispenser, Arduino can be a valuable tool.
With Arduino, you can connect sensors, actuators, and other components to build a system that detects the presence of a toothbrush and dispenses an appropriate amount of toothpaste automatically.
Arduino's extensive library of pre-built functions and the availability of countless tutorials and examples online make it easier for beginners to understand and implement such projects.
Arduino's simplicity and versatility have contributed to its popularity among hobbyists, students, and professionals alike. It has democratized access to microcontroller technology and coding by providing an accessible platform that encourages creativity and innovation.
Whether it's creating automated home systems, robotics, or interactive artworks, Arduino opens up possibilities for individuals from diverse backgrounds to turn their ideas into reality.
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Amino acids are used to build
Answer:
Hello!
Explanation:
[tex]⭐ \red{\textbf{amino \: acids \: are \: used \: to \: build}}[/tex]
Amino acids are organic compounds that combine to form proteins.Amino acids are organic compounds that combine to form proteins. The human body uses amino acids to produce proteins to help the body break down food.
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atte:
Ángela
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Answer:
Proteins.
Explanation:
"For a brick, He flew pretty good" - Sargent Avery Johnson
Organisms can be classified in the same species by morphology and _____.
Match each characteristic to the synthesis or oxidation of fatty acids.
Fatty acid synthesis:
-occurs in the cytoplasm
-Uses NADPH
-Acyl carrier protein is the acyl carrier
-involves the conversion of a carbonyl to a methylene
-Enzymes are organized in a multienzyme complex
Fatty acid oxidation:
-Uses NAD+
-Uses FAD
-Occurs in the mitochondria
-Coenzyme A is the acyl carrier
-Involves the conversion of a methylene to a carbonyl
Fatty acids are long-chain hydrocarbons having a carboxylic acid functional group. The oxidation of fatty acids provides energy to the body, while their synthesis helps in the production of lipids and the provision of energy for cells.
Decide whether a characteristic corresponds to fatty acid production or oxidation. The conversion of a carbonyl to methylene occurs during fatty acid production, which takes place in the cytoplasm and utilizes NADPH. Enzymes are arranged in a multienzyme complex during fatty acid oxidation. The acyl carrier is Coenzyme A, and the process involves converting methylene to a carbonyl. The processes of fatty acid synthesis and fatty acid oxidation have different features, as shown below: NADPH is utilized throughout the cytoplasmic process of fatty acid production.
In this mechanism, the acyl carrier protein acts as the acyl carrier. A carbonyl is transformed into methylene during this procedure. In this process, the enzymes are also arranged in a multienzyme complex. The mitochondria are where fatty acids are oxidized. NAD+, FAD, and Coenzyme A are utilized in this process, and the acyl carrier is Coenzyme A. The procedure entails changing methylene into a carbonyl. Therefore, it is possible to distinguish between the processes of fatty acid synthesis and oxidation using the above features.
Acetyl-CoA and malonyl-CoA are the starting materials for the process of fatty acid synthesis, which produces fatty acids. It takes place in the cell cytoplasm and is in charge of fatty acid synthesis. Fatty acid oxidation, on the other hand, is the process through which fatty acids are burned off to produce energy for the body. It happens in cellular mitochondria.
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b. the video says that she is in poor health, having lost 20 pounds in recent weeks. assume she has a body weight of 55kg (about 120 pounds). what was her dose of sodium chloride
The woman's dose of sodium chloride from drinking a liter of soy sauce would be approximately 94 grams (79mg x 1,000ml).
Consuming such a high amount of sodium chloride can be extremely dangerous and potentially fatal. The woman's poor health condition, indicated by her significant weight loss, likely contributed to the severity of the situation.
Sodium chloride is an essential electrolyte for the body, but excessive intake can disrupt the body's fluid balance and put strain on the kidneys and cardiovascular system. It is crucial to maintain a balanced and healthy diet and consult medical professionals for any concerns regarding toxins or digestive health.
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The complete question is:
In 2018, a woman died when she drank a full liter of soy sauce in an attempt to rid her digestive tract of toxins. Soy sauce has $79mg of sodium chloride in each tablespoon.
The video says that she is in poor health, having lost 20 pounds in recent weeks. Assume she has a body weight of 55kg (about 120 pounds). What was ber dose of sodium chloride? (Show your work)
GIVING BRAINLIEST!!!!
Name the types of adaptation that animals and plants can have
Answer:
poison, thorns, sharp teeth
Explanation:
You discover a new species of ascomycete fungus and find that the diploid nuclei of the fungus contain 22 chromosomes. A single diploid cell in an ascus will undergo one round of meiosis, followed in each of the daughter cells by one round of mitosis, producing a total of eight ascospores. If a single, diploid G2 nucleus in an ascus contains 800 nanograms (ng) of DNA, then a single ascospore nucleus of this species should contain how much DNA (ng), carried on how many chromosomes
 HELP. HELP.
True or False: If two organisms are located near one another on a phylogenetic tree they share a recent common ancestor.
Which best describes a recessive allele?
Answer:
B (imo)
Explanation:
Answer:
The answer for the question is D
22. What is the advantage of cells being so small?
A. Small cells contain a greater quantity of enzymes than large cells.
B. Small cells do not require energy and get everything they need from osmosis.
C. The cell has a smaller surface area to volume ratio which means it can move nutrients into
the cell and waste out more efficiently.
D. The cell then has a larger surface area to volume ratio which means it can move nutrients
into the cell and waste out more efficiently.
PLEASE EXPLAIN WHY
Answer:
B. Small cells do not require energy and get everything they need from osmosis.
Explanation:
Small cells contain a greater quantity of enzymes than large cells. The cell has a smaller surface area to volume ratio which means it can move nutrients into the cell and waste out more efficiently.
what is the principle drawback of broad-spectrum pesticides?
The primary disadvantage of broad-spectrum pesticides is their potential to destroy non-target organisms.
The primary disadvantage of broad-spectrum pesticides is their potential to destroy non-target organisms. Broad-spectrum pesticides are intended to kill a wide variety of pests, but they also kill helpful insects such as bees, birds, and butterflies, as well as animals like fish, amphibians, and mammals that live in waterways or eat contaminated prey. As a result, broad-spectrum pesticides have a greater environmental effect than more specific alternatives. These toxins also have a negative impact on human health, posing potential dangers to people who work with pesticides, consume tainted food, or breathe contaminated air.The danger of pesticides has been recognized by scientists, environmentalists, and the public at large. Scientists, environmentalists, and the public at large have all recognized the danger of pesticides. To combat this, new types of pesticides are being developed that are less hazardous to non-target organisms and the ecosystem as a whole, such as selective pesticides that target only certain species of pests while leaving other species unharmed. Integrated pest management (IPM), which aims to minimize pesticide use while still managing pest populations, is another environmentally sustainable alternative to broad-spectrum pesticides.
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Pls helpppp and thank youuuu
HELP WILL GIVE BRAINLIEST IF CORRECT: Which plants are usually the first to live in soil?
a. Simple plants
b. Trees
c. Plants that can support insect life
d. Flowers
Answer:
simple plants
Explanation:
you are studying a newly discovered prokaryotic microorganism and are attempting to determine whether it will be classified in the domain bacteria or in the domain archaea. All of the following would be helpful in making that distanction except ________
A. sequence of small subunit ribosomal RNA
B. type of membrane lipids
C. presence or absence of peptidoglycan in cell walls
D. presence or absence of double-stranded circular DNA genome
The correct option is D. presence or absence of double-stranded circular DNA genome prokaryotic microorganism and are attempting to determine whether it will be classified in the domain bacteria or in the domain archaea All of the following would be helpful in making that distanction except presence or absence of double-stranded circular DNA genome.
Prokaryotic organisms are a type of cellular life that lack a true nucleus and other membrane-bound organelles. They are characterized by their simple cellular structure, with genetic material (DNA) floating freely in the cytoplasm rather than being enclosed within a nucleus. Prokaryotes include bacteria and archaea, which are the oldest and most abundant forms of life on Earth.
These microorganisms exhibit diverse shapes and sizes and can be found in various environments, including soil, water, and even within the human body. Prokaryotes play crucial roles in biogeochemical cycles, nutrient recycling, and symbiotic relationships. They possess the ability to adapt and thrive in extreme conditions and exhibit incredible metabolic diversity.
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In which cellular organelle do the three posttranscriptional modifications often seen in the maturation of mRNA in eukaryotes occur?
A. nucleus
B. cytoplasm
C. mitochondrion
D. lysosome
E. Golgi
The main organelle where the three posttranscriptional modifications commonly observed in mRNA maturation occur in eukaryotes is the nucleus, option A is correct.
These modifications include the addition of a 5' cap, the removal of introns by splicing, and the addition of a poly(A) tail at the 3' end. The nucleus is the site where transcription takes place, generating a pre-mRNA molecule. Subsequently, in the nucleus, the pre-mRNA undergoes these modifications to form mature mRNA before it is transported to the cytoplasm for translation.
The addition of a 5' cap and a poly(A) tail helps protect the mRNA from degradation and facilitates its binding to ribosomes during translation. Splicing removes non-coding regions (introns) from the pre-mRNA, enabling the formation of a continuous coding sequence (exons) in the mature mRNA, option A is correct.
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Which one of the following is a class of simple lipids? A) steroids B) triglycerides C) phoshpholipids D) waxes E) furans.
Triglycerides belong to the class of simple lipids. They are the most common type of dietary fat found in both animal and plant sources, option B is correct.
Triglycerides are composed of three fatty acids attached to a glycerol backbone. They serve as a major energy storage form in the body, providing more than twice the energy per gram compared to carbohydrates and proteins. Triglycerides are essential for various physiological functions, including insulation and protection of organs, hormone production, and the absorption of fat-soluble vitamins.
While steroids, phospholipids, and waxes are also lipid molecules, they belong to different classes and have distinct structures and functions. Furans are not lipids; they are a class of organic compounds with different chemical structures and properties, option B is correct.
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Which of these proteins is responsible for preventing cell cycle progression if DNA damage is detected?
Rb
p53
ras
E7
The protein responsible for preventing cell cycle progression if DNA damage is detected is p53, option B is correct.
When DNA damage occurs, p53 is activated and plays a crucial role in maintaining genomic stability. It acts as a transcription factor, promoting the expression of genes involved in cell cycle arrest, DNA repair, and apoptosis. Upon detection of DNA damage, p53 activates the transcription of the CDK inhibitor p21, which inhibits the activity of cyclin-dependent kinases (CDKs), leading to cell cycle arrest at the G1 phase.
This pause allows time for DNA repair mechanisms to fix the damaged DNA before proceeding with cell division. If the damage is too severe to repair, p53 can also initiate programmed cell death or apoptosis to prevent the propagation of genetically compromised cells, option B is correct.
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The complete question is:
Which of these proteins is responsible for preventing cell cycle progression if DNA damage is detected?
A) Rb
B) p53
C) ras
D) E7
A population of 250 birds inhabit the canopy of tropical rainforest that has a caring capacity of 400 birds. What is the maximum population growth if a population grows 283 in one year
Answer:
Explanation:
0.35
The maximum population growth if the population grows 283 in one year is : 13.2%
Maximum population growth is the percentage change in the size of the population of a habitat in a given year.
Caring capacity = 400 birds
Initial population at the start of the year = 250 birds
Number of birds added = 283 birds
population growth rate = ( 283 - 250 ) / 250 * 100
= 0.132 * 100 = 13.2 %
Hence the maximum population growth rate if the population grows 283 in one year is 13.2%
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What are some changes that farmers could have made to their agricultural practices to avoid the Dust Bowl?
Answer:
Other helpful techniques include planting more drought-resistant strains of corn and wheat; leaving crop residue on the fields to cover the soil; and planting trees to break the wind.
Need help with the following !
Which of these types of muscles are striated? Check all of the boxes that apply.
1) skeletal muscles
2) cardiac muscles
3) smooth muscles
Answer:
Muscle Types: Cardiac and skeletal muscle are both striated in appearance, while smooth muscle is not. Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary.
Answer: skeletal muscles & cardiac muscles
Explanation: Skeletal and cardiac muscles are striated. Smooth muscles are not.
What reflex kicks in if your epiglottis reflex malfunctions?
Answer:
The coughing reflex kicks in, only if the epiglottis reflex fails to. If the coughing reflex fails then the Heimlich maneuver may be needed.
For a biologist studying a small fish population in the lab, which Hardy—Weinberg condition is easiest to meet?
A) no selection
B) no genetic drift
C) no gene flow
D) no mutation
E) random mating
The Hardy-Weinberg condition that is easiest to meet for a biologist studying a small fish population in the lab is no gene flow, option C is correct.
No gene flow refers to the absence of migration or movement of genes between populations. In a lab setting, it is relatively easier to control and isolate fish populations, preventing the introduction or exchange of genes from external sources. This can be achieved by maintaining closed systems, where fish populations are kept separate from other populations, ensuring no genetic material is exchanged.
On the other hand, meeting the conditions of "no selection," "no genetic drift," "no mutation," or "random mating" may be more challenging to achieve in a controlled laboratory environment due to factors such as limited genetic diversity, genetic drift in small populations, mutation rates, and behavioral constraints on mating, option C is correct.
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which of the following is the most damaging method of soil remediation? a. soil excavation and disposal b. soil aeration c. heating and vapor extracti
The most damaging method of soil remediation is a. soil excavation and disposal.
What is soil remediation?
Soil remediation is a process used to treat and clean soil contaminated by hazardous waste, industrial pollution, and other contaminants. The method of soil remediation used depends on the severity of the soil contamination, type of contaminants present in the soil, and type of soil affected.
The following are the different methods of soil remediation:
1. Soil excavation and disposal
2. Soil vapour extraction
3. Soil washing
4. Soil aeration
5. Bioremediation
6. In-situ chemical oxidation
7. Thermal desorption
Among all these methods, soil excavation and disposal are considered to be the most damaging method of soil remediation. The method involves digging up contaminated soil from one site and moving it to another site, which could lead to soil degradation at both sites. The process could lead to deforestation, erosion, and contamination of surface and groundwater at the disposal site.
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Which of the following is the most damaging method of soil remediation? a. soil excavation and disposal b. soil aeration c. heating and vapour extraction d. microbial digestion
Which of the following statements are true about oxidative phosphorylation?
A. Electron transport provides energy to pump protons into the intermembrane space.
B. An electrochemical gradient is formed across the inner mitochondrial membrane.
C. Potassium and sodium ions form an ionic gradient across the inner mitochondrial
membrane.
D. A and B
E. A, B, and C
The following statements are true about oxidative phosphorylation: Electron transport provides energy to pump protons into the intermembrane space. An electrochemical gradient is formed across the inner mitochondrial membrane. The answer is Option D.
Oxidative phosphorylation is the final step in cellular respiration that takes place in the electron transport chain in which the electrons move down the chain of proteins in the inner mitochondrial membrane. The energy produced by this electron transport chain pumps hydrogen ions from the mitochondrial matrix into the intermembrane space between the inner and outer mitochondrial membranes, producing an electrochemical gradient.
The protons or hydrogen ions that get pumped into the intermembrane space then re-enter the inner mitochondrial matrix through the ATP synthase enzyme, which synthesizes ATP from ADP and inorganic phosphate.ATP is then used to power many cellular processes. Potassium and sodium ions are not involved in the formation of the electrochemical gradient across the inner mitochondrial membrane. Therefore, options A and B are correct, making option D, Electron transport provides energy to pump protons into the intermembrane space, and An electrochemical gradient is formed across the inner mitochondrial membrane. the right choice. The answer is 2; Option D.
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Antibodies start the inflammatory response. True or False?????????
Answer:
True
Explanation:
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1. A biologist was in a forest when he came across a family of squirrels hiding nuts for the winter. The biologist was interested in this behavior, so he stayed and watched the squirrels for a few hours. He recorded what he observed in a notebook. Which of the following explains why this type of research is NOT considered an experiment?
A. The biologist observed the squirrels and did not test variables.
B. The biologist came across the squirrels by chance and had no formal plan.
C. The biologist did not observe the squirrels for long enough to collect data.
D. The biologist did not collect valid data on the different species of squirrels present.
2. For pea plants, T represents a dominant allele for tall pea plants and t is the recessive allele for short pea plants. If two plants with the Tt genotype are crossed, what is the probability that offspring will exhibit the dominant trait?
A. 75%
B. 100%
C. 25%
D. 50%
3. Which statement is true about DNA?
A. DNA is an exact copy from parent to offspring
B. DNA contains genes that hold specific traits for an organism
C. DNA is not necessary for an organism to reproduce
D. Organisms create their own DNA sequence that is not like their parents
The biologist observed the squirrels and did not test variables. If two plants with the Tt genotype are crossed, 50% is the probability that offspring will exhibit the dominant trait. The correct options are A, D, and B respectively.
What is genetics?The study of genes, genetic variation, and heredity in organisms is known as genetics. It is an important branch of biology because heredity is essential to the evolution of organisms.
An experiment entails manipulating variables to see how they affect a dependent variable. In this case, the biologist observed and recorded what he saw rather than manipulating any variables.
Both plants in this scenario are heterozygous (Tt) for the tall trait, which means they each have one dominant allele (T) and one recessive allele (R) (t).
When they are crossed, each offspring has a 50% chance of inheriting the dominant T allele and displaying the dominant trait of tallness, as well as a 50% chance of inheriting the recessive T allele and displaying the recessive trait of shortness.
DNA (deoxyribonucleic acid) is a molecule that contains the genetic instructions for the development, function, growth, and reproduction of all living organisms.
Thus, the correct options are A, D, and B respectively.
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Where do consumers directly get matter and energy to live and grow?
Explanation:
Consumers must consume, or eat, other organisms to get matter and energy to live and grow. Consumers have to eat other consumers or plants to get food. Humans are consumers. We consume many kinds of plants and other organisms.
Once anything passes through the event horizon, from the perspective of that
object, nothing would change.
True or false
Answer:
True
Explanation:
The event horizon of a black hole is where gravity is such that not even light can escape. This is also the point I understand that according to Einstein time dilation will be infinite for a far-away-observer.
The statement "once anything passes through the event horizon, from the perspective of that object, nothing would change" is true.
What is horizon?The horizon would be the line that appears to divide a celestial body's ground from its own sky when observed by an observer standing on or close to the body's surface.
What is event?An event would be the collection of results from an experiment.
Therefore, the statement "once anything passes through the event horizon, from the perspective of that object, nothing would change" is true.
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