Answer: Stars have diffrent layers
White blood cells protect against
and aid in blood clotting when injuries are sustained.
Answer:
yes
Explanation:
I don't know the explanation clearly but it's definitely a yes
Answer:
True statement
Explanation:
what effect low temperature have non enzyme activity. use animal metabolism as an example
Because their molecular mobility slows down at low temperatures, the frequency of effective collisions between both the substrate and the enzyme is decreased. The body of a human is kept around 37 °C since this is the temperature during which our body's enzymes function most effectively.
The human cell's metabolism is carried at the 37 °C temperature. This is the temperature at which the enzyme activity is highest and all the enzyme related work carried out.
Enzyme- A biological catalyst called an enzyme is usually always a protein. It accelerates a certain chemical process in the cell. The enzyme is employed repeatedly and is not destroyed throughout the process.
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You feel thirsty, so you drink a large glass of water. After drinking the water, the feeling of thirst goes away. What system is most responsible for sensing that there are low water levels in the body and letting you know that you need to drink water to maintain your homeostasis?.
The sense of the nervous system tells us the need to drink water and thus maintain our homeostasis.
When an individual is thirsty, a drink of water can be exceptionally fulfilling, but after the thirst has been extinguished, drinking more can be unsavory. The unused investigation uncovers the root of these encounters within the brain.
These brain circuits likely advanced to avoid individuals from drinking as well as much water, coming about in perilously moo sodium levels, the analysts detailed nowadays within the diary Procedures of the National Foundation of Sciences.
Brain ranges included in emotional decision-making lit up within the scanner when individuals drank in reaction to feeling parched, while locales included in controlling development kicked in when individuals constrained themselves to keep drinking after extinguishing their thirst.
Hypothalamus is involved in the thirst sense since receptors within the body distinguish an awkwardness of liquid and the need to recapture homeostasis.
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what is the sepific gravity of 38 grams
Answer:
answer is 372.81
Explanation:
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Which of the following is superior to the abdominal region?
A-inguinal
B-crural
C-patellar
D-thoracic
Thoracic region is superior to the abdominal region.
The thoracic cavity is superior subdivision of the anterior cavity, and it is enclosed by the rib cage. It consists of 12 vertebrae. They are rigid and stable, and minimizes injury. The thoracic cavity contains the lungs and the heart, which is located in the mediastinum .
The thoracic region performs many duties. It protects the spinal cord, the bundle of nerves that extend from your brain to the body. It provides an attachment point for your ribs and helps with supporting breathing. The thoracic region also serves as an attachment point for many muscles of the body.
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what projection represent the true shapes and sizes of land areas
Answer:
Robinson projection
Explanation:
Robinson’s map is more accurate than a Mercator projection. The shapes and sizes of continents are closer to true. Robinson's map is best within 45° of the equator. Distances along the equator and the lines parallel to it are true. However, the scales along each line of latitude are different. In 1988, the National Geographic Society began to use Robinson’s projection for its world maps.
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suppose a three-point testcross was conducted involving the genes r, h, and q. if the most abundant classes are rqh and rqh and the rarest classes are rhq and rhq, which gene is in the middle?
The gene in the middle is R in a three-point testcross if the most abundant classes are rqh and rqh and the rarest classes are rhq and rhq.
The locations of three genes in the genome of an organism are identified using a three-point cross. A homozygous recessive individual is crossed with a person who is heterozygous for three mutations, and the progeny's phenotypes are graded. The parental gametes produce the two most prevalent phenotypes, while a double-crossing during gamete creation produces the two least prevalent phenotypes. The geneticist can identify which gene is situated between the other genes on the chromosome by comparing the phenotypes of the parental and double-crossover individuals. The most prevalent phenotypes are rqh and rqh while the least prevalent phenotypes are rhq and rhq, therfore the middle gene after comparing is R.
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Why can an electric current pass easily through a metal?
1-The positive nuclei metal atoms strongly attract their negative valence electrons
2-Positively charged metal ions move freely from one end of a metal to the other
3-Negatively charged electrons can move freely through a metal
4- positively charged metal ions are arranged in crystals
Answer: The Correct answer is 3) Negatively charged electrons can move freely through a metal
Explanation:
The electric current can pass easily through a metal because the electrons or negatively charged ions are relatively free to move in metals. So, whenever current pass-through metals, electrons carry electricity and pass it through the metal. The movement of these electrons are the reason for conduction of current in metals.
Answer:Negatively charged electrons can move freely through a metal
This diagram shows cellular activity across a cell membrane.
Glucose in high concentrations
outside the cell
Cell membrane
Glucose in low concentrations
inside the cell
Which two processes does this diagram most directly model?
O Energy conversions and synthesis of new molecules
O Synthesis of new molecules and homeostasis
O Transport of molecules and energy conversions
O Homeostasis and transport of molecules
Answer:
Energy conversions and synthesis of new molecules
The two processes that are shown in the image are the transport of molecules and energy conversions. Therefore, option C is correct.
The transport of molecules and energy conversions through the cell membrane are vital processes for the functioning of cells. The cell membrane is also known as the plasma membrane. It acts as a selective barrier that regulates the passage of substances in and out of the cell.
The cell membrane also plays a role in energy conversions. For example, during cellular respiration, the inner membrane of mitochondria (which are organelles within the cell) is involved in the electron transport chain. Thus, option C is correct.
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Supporting questions: "How do scientific and mathematical innovations from the
Renaissance impact modern day? " Think about what you already know about to answer the Supporting Question. Write about any connections you have made (text to self, text to text, text to world). Why do you think it is important to learn about this concept?
In your own words
Renaissance impact the modern day and modern science as it followed astronomy to the peak value.
What is Renaissance and how it impacted modern science?The main invention during Renaissance was microscope and telescope which helps millions over the globe.Telescope invention led to the inovation of lot of different kind of glasses and lenses.During Renaissance was a great discovery in cosmology and astronomy and till now have not been such kind of invention.The printing press, and many more like firearms are few of inventions influenced by Renaissance period.To know more about Renaissance visit:
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if ta lizard body movement may becomes slow if the surrounding temprature falls
this could be a disadvantage of warm blooded animal or not
Not, the given statement is false as because the lizard is cold-blooded animal, which as a result of their inability to produce internal heat, lizards are poikilotherms.
Poikilotherms- Poikilotherms possess the physiological capacity to produce heat, hence in the absence of the any behavioral modifications, their body temperatures tend to match those of their surroundings. Animals that have "cold blood" are an example of poikilotherms. Animals that are poikilothermic include numerous invertebrate species as well as several vertebrate species, including certain fish, amphibians, and reptiles.
Species- A collection of creatures that can breed with each other in nature and have healthy offspring is referred to as a biological species.
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witch of these is an immunity that the human body uses
1. neutral immunity
2. humoral immunity antibody mediated
3. irrelevant immunity
4. lipid-mediated-immunity
An immunity used by human body is: (2) humoral immunity antibody mediated.
Immunity is the ability of the body to fight against the foreign invaders and the disease caused by them. This immunity can be active or passive. Active immunity is the one that the body develops by itself. Passive immunity is the one that is introduced into the body by injecting antibodies.
Humoral immunity is the response mediated by the antibodies present in the body for specific pathogens. It is driven by the B cells. Antibodies are the Y-shaped structures that are produced by the B cells in response to the invasion of certain foreign invaders also called the antigens.
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Which of the following best describes the structure of a protein molecule?
Proteins are organic polymers made up of amino acids. Amino acids linked by peptide bonds form a polypeptide chain. One or more polypeptide chains are straight twisted into a three-dimensional shape to form a protein that best describes the shape of the protein molecule.
Proteins are located throughout the body: muscles, bones, skin, hair, and of course every single element or tissue of the body. It is part of many chemical reactions and enzymes that cause hemoglobin to contain oxygen in the blood. At least 10,000 unique proteins make and keep you where you are. Consuming high-protein ingredients has many health benefits, including faster recovery and/or harm after exercise. reduced muscle loss. Build muscle mass.
Proteins are the building blocks of muscle tissue. So, getting enough protein will help maintain muscle groups and promote muscle growth during electrical exercise. Severe protein deficiency can lead to edema, fatty liver, skin degeneration, increased severity of infections, and stunted growth in children.
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Post-Lab Analysis:
Research the pathway of how oxygen is taken from the atmosphere to how it is used by our muscle tissue.
Double click on the text box below. Correctly arrange the steps of the pathway by arranging the boxes from top to button.
Red blood cells carry oxygen to the muscle tissues of the body (cells)
Oxygen in the circulatory system (blood) attaches to the hemoglobin molecule on red blood-cells
The muscle tissues use the ATP molecule to function properly
Oxygen diffuses across the cell membrane of the cell
Inhaled oxygen travels through the respiratory system to the lungs
The oxygen in the lungs diffuses to the circulatory system (blood)
Oxygen in the air is inhaled by the respiratory system (nose and mouth)
Oxygen inside the muscle cell is used by the mitochondria to produce the energy molecule adenosine triphosphate (ATP).
Answer:
Oxygen in the air is inhaled by the respiratory system (nose and mouth)Inhaled oxygen travels through the respiratory system to the lungsThe oxygen in the lungs diffuses to the circulatory system (blood)Oxygen in the circulatory system (blood) attaches to the hemoglobin molecule on red blood-cellsRed blood cells carry oxygen to the muscle tissues of the body (cells)Oxygen diffuses across the cell membrane of the cellOxygen inside the muscle cell is used by the mitochondria to produce the energy molecule adenosine triphosphate (ATP).The muscle tissues use the ATP molecule to function properlytype of transport where potassium levels remain _ (higher/lower) inside than out, while sodium levels remain _ (higher/lower) outside than in.
PLS HELP
Active transport where potassium levels remain (higher/lower) inside than out, while sodium levels remain (higher/lower) outside than in.
Where does the body use active transport?Small intestine
In humans, the ileum is where food is digested during the active transit process (small intestine). After some time has passed after food has been absorbed by the villi, the concentration of food molecules increases, at which point no more food can diffuse in.
High concentrations of substances the cell needs, like ions, glucose, and amino acids, are typically accumulated during active transport. Active transport examples include the uptake of glucose in human intestines and the uptake of mineral ions into plant root hair cells.
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How would these cells appear under a microscope at a higher magnification? What
parts of the cells would be visible?
This transmission electron micrograph clearly shows the cell wall, nucleus, vacuoles, mitochondria, endoplasmic reticulum, Golgi apparatus, and ribosomes.
How do you magnify cells to view them more clearly?Once you can see the cells, carefully turn the coarse focus slider. Once the cells are in focus and are clearly visible, carefully turn the fine focus knob. To see the cells in greater detail, repeat steps 1 through 5 with the higher power magnification.
So, to study cells, scientists utilize microscopes. Compared to light, electron microscopes offer greater magnification, more resolution, and more detail.
Under a light microscope, the nucleus, cytoplasm, cell membrane, chloroplasts, and cell wall can all be seen as organelles. Although mitochondria can still be seen under a light microscope, extensive investigation is not possible.
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In 4 sentences describe a couple of areas in the brain that are responsible for creativity.
As it appears to be in charge of many of the processes that support creative thinking, the frontal cortex has been referred to as the hub or center of creativity.
What is the role of the frontal cortex?The frontal cortex are crucial for controlling higher order executive functions, expressive language, and physical movement. The ability to plan, organize, initiate, self-monitor, and control one's responses in order to accomplish a goal is referred to as having executive functions.
What happens if the frontal cortex is damaged?There are several symptoms that can result from frontal lobe brain damage, including behavioral issues and motor difficulties. The frontal lobe can be harmed by a number of disorders, such as dementia, head trauma, and stroke.
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Proteins are responsible for enzymatic reactions, help the body defend itself against harmful bacteria and parasites, and allow for physical movement. What is the most basic need in order for the human body to make proteins?.
The most basic need in order for the human body to make proteins is the amino acids.
Proteins are very essential for the human body and its most essential and defining characteristic from a nutritional standpoint is its amino acid composition.
What are amino acids?
These are organic compounds that contain both amino and carboxylic acid functional groups. Although hundreds of amino acids exist in nature, by far the most important are the alpha-amino acids, which comprise proteins.
Amino acids are made by the in two different ways: either from scratch or by modifying others.
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In ______, two dna double helices are synthesized from one dna double helix molecule when it unwinds and complementary nucleotides are added to the exposed unpaired bases.
In DNA replication, two DNA double helices are synthesized from one DNA double helix molecule when it unwinds and complementary nucleotides are added to the exposed unpaired bases.
What is DNA replication ?A double-stranded DNA molecule is duplicated to create two identical DNA molecules through the process of DNA replication. Because every time a cell splits, the two new daughter cells must have the same genetic material, or DNA, as the parent cell, replication is a crucial process.
The fundamental mechanism of DNA replication is similar across all species, making it a crucial operation.
Prokaryotic cells' cytoplasm and eukaryotic cells' nuclei are where DNA replication takes place. The fundamental steps of DNA replication are the same wherever it takes place. DNA replication is made simple by the DNA structure. The double helix has two opposing (anti-parallel) directions running through it.
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15. Choose two objects of different weights that can be thrown into the air. The objects are
thrown with the same amount of force. Determine which object has more kinetic
energy and explain why.
Now suppose both objects are to be rolled down a slide. What could affect the kinetic
energy so that the other object now has more force? Explain your reasoning.
The object which is having greater mass will have greater KE if gravity is neglected. Cause kinetic Energy is directly proportional to the mass of the object.
Rolling down the slideNow on rolling down the slide the one which is rolled from a greater height will have greater potential energy will eventually have greater kinetic energy.
The energy that an object has as a result of its ongoing motion is known as kinetic energy in terms of physics. It is described as the effort required to move a mass-determined body from rest to the indicated velocity.
The body holds onto the kinetic energy that it acquires during this acceleration until and unless its speed changes. Kinetic energy has the following formula: K.E. = ½ m v2, where m is the object’s mass and v are its square velocity.
Measure of Kinetic EnergyThe kinetic energy that is measured in kilograms-meters then squared per second squared if this mass is then measured in kilograms and the velocity is then measured in meters per second.
When potential energy is released, among other catalysts such as elastic forces or gravity, kinetic energy is produced.
Motion is created by kinetic energy. The kinetic energy of an object increases as force is applied to it and it accelerates.
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which of these lipids is not a class of glycerophospholipids? which of these lipids is not a class of glycerophospholipids? sphingolipids cardiolipin phosphatidylethanolamine phosphatidylserine
Ceramide is not a class of glycerophospholipids.
What is glycerophospholipids?
glycerophospholipids are detergents and as such they reduced water surface tension and stability dispersion of the compounds.
The capacity of phospholipids to function detergent is important in bile.
glycerophospholipids are composed of an ester glycerol and phosphoric acid. It is characterized by phosphatic acid backbone.
It is major constitution of membrane and are responsible for the membrane being a bilayer.
It is composed of half of brains lipids .
The capacity of phospolipids to function as detergents is important in bile, where they favor the solubility of cholesterol.
Thus non of these options are in the catagory of glycerophospholipids
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Explain how animal poisons work on the cell membrane.
Animal poisons work on the cell membrane by causing reaction with it which damages the structure of the cell membrane.
What actions of the poisons occur on the membrane?The structures of poisons are not similar to those chemicals that are essential to cells. Very few poisons are absorbed by active transport when a toxic level of the chemical is collected in the cells of the specific tissue or organ, which results in the disrupts of the cell from its normal structure or function. Symptoms of poisonous chemicals then develop, and, if the toxicity is severe , death may occur. Diffusion, facilitated diffusion, active transport are the types of chemical transport systems through cell membranes. Lipophilic is a nonpolar chemicals that dissolve in the lipid bilayer.
So we can conclude that animal poisons are neurotoxic that cause actions on the cell membrane.
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What are 3 ways that hurricanes affect the carbon cycle?
Explanation:
Hurricanes cause severe impacts on the ecosystem, which substantially affects the carbon cycle at the local or regional scale .The analys is showed that the amount of precipitation is not the only drving factor causing increased carbon emission; the characteristics of the drainage area also affect the carbon cycle and emission.By stimulating these phytoplankton blooms , hurricanes can affect the ecology of the upper ocean . This is the answer .
How many sugar molecules does DNA and Nucleotide have?
extinction rates are estimated using accurate techniques which provide field biologists a clear understanding of why species go extinct. group of answer choices true false
Answer:
False
Explanation:
i have already done these questions in the assignment i took in my biology class.
Hope it helps
. In which phase of cellular respiration is glucose a reactant?
Answer: Glycolysis
Explanation:
Glycolysis is the first step in cellular respiration. Which after glycolysis, the reactants are no longer glucose, but product of glycolysis - pyruvate.
An organism's scientific name consists of which TWO taxonomic groups?(Select TWO ANSWERS)
A: Domain
B: kingdom
C: Phylum
D:Class
E: Order
F: Family
G: Genus
H: Species
Answer:
Kingdom and phylum
Explanation:
I might be worng
30 POINTSSSSS !!!!!!!!!! NEEEED HELPPP what is a organism (NOT A PLANT) that uses chemosynthesis, photosynthesis, and cellular respiration??
Answer:
Bacteria and Fungi uses the above.
Answer:
Bacteria and fungi.
Explanation:
62.mohr, l.; carceles-cordon, m.; woo, j.; cordon-cardo, c.; domingo-domenech, j.; rodriguez-bravo, v. generation of prostate cancer cell models of resistance to the anti-mitotic agent docetaxel. j. vis. exp. 2017, e56327
A typical mechanism of disease development and a prognostic factor for malignant tumors is developed resistance to prostate cancer treatments. Resistance to MTAs, such as the taxane Docetaxel, determines treatment failure and the progression of the disease into lethal stages.
The variety of processes causing acquired resistance has been investigated for decades, but they remain poorly understood, which severely restricts the creation of novel therapeutic approaches. We outline a procedure for creating Docetaxel-resistant prostate cancer cell lines in this article.
The Docetaxel-resistant cell lines created by this method have been successfully used in recent studies, such as the loss of resistance properties over time, and they present an opportunity to enhance our knowledge of the molecular mechanisms behind acquired chemoresistance in deadly prostate cancer.
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Salivary amylase is an enzyme that begins breaking down carbohydrates while the food is still in the mouth. Once the food passes into the stomach, what happens to the salivary amylase?.
The salivary amylase does not function once it reaches the stomach after the good from mouth is passed to it.
Salivary amylase is an enzyme that breaks down carbohydrates right in the mouth. When it is passed to the stomach, the acidic ph of stomach denatures this enzymes and causes it to change it's shape. Consequently, the enzyme stops functioning.
Like most other enzymes, salivary amylase is a protein. At a pH between 6.5 and 7.0, it operates most effectively. More acidic or basic environments result in altered protein folding, which reduces the enzyme activity of the molecule.
The stomach's pH is typically between 1.0 and 2.0, which is very acidic. Salivary amylase's protein structure denatures and changes form at this pH level. As a result, when salivary amylase reaches the stomach, it is inactive.
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