ASAP Describe the levels of protein folding- primary, secondary, tertiary & quaternary structure of proteins.
Answer:
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Explanation:
The different levels of protein structure are known as primary, secondary, tertiary, and quaternary structure. The primary structure is the sequence of amino acids that make up a polypeptide chain. ... The exact order of the amino acids in a specific protein is the primary sequence for that protein.
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When the water cools and turns back into a liquid, this is known as ___________________.
Answer: melting
Explanation: When water goes from its solid form (ice) back to its liquid form, this is known as MELTING. Condensation occurs when gas changes into liquid, not when ice changes into liquid.
an elements has two or more atoms with the same number of protons but different
number of neutrons it is called a(n)
isotope
neutron
electron
none of the above
Answer isotope
Explanation: it has more than one atom
PLEASE ANSWER ASAP. Thank you. QUESTION: Explain the evidence that suggests that the universe is expanding.
Andrew wants to determine if playing classical music will affect the growth of his rose buses. Determine three constant variables of this experiment.
Answer:
The fourth option
Explanation:
I am pretty sure that it is the fourth option
Describe how water is important to plants in terms of:
i) making food in plants
ii) the plant's shape
iii) hydrolysis and dehydration
Answer:
i) In terms of food production in plants, water is essential to plants as it is the evaporation of water that occurs in leaves that allows carbon dioxide to enter and to begin photosynthesis.
(ii) In terms of the shape of the plant, water is important to plants as the hydration of the cells of a plant allows the cell walls to retain their shape and thus give structure to the plant.
(iii) In terms of hydrolysis and dehydration, water is essential for plants because water is not a photosynthesis reactant or respiratory product.
Explanation:
i) Water is important in terms of making food in plants:
Water is required for the germination of seeds and as soon as growth starts water serves as a carrier in the distribution of mineral nutrients and plant food.
ii) Water is important in terms of the plant's shape:
Responsible for turgor pressure in cells (Like air in an inflated balloon, water is responsible for the fullness and firmness of plant tissue. Turgor is needed to maintain cell shape and ensure cell growth.)
iii) Water is important in terms of hydrolysis and dehydration:
During the process of photosynthesis, six molecules of carbon dioxide and six molecules of water react in the presence of sunlight to form one glucose molecule and six molecules of oxygen.
The role of water is to release oxygen (O) from the water molecule into the atmosphere in the form of oxygen gas.
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which best describes the big bang theory
Answer:
The expansion and cooling of the universe from an originally hot and dense state.
Answer: D. The universe formed during a single event in which all matter and energy suddenly expanded from an extremely small, dense, and hot point of pure energy called a singularity.
Which statement describes the electron sharing between two oxygen atoms?
Each oxygen shares one electron with the other.
Each oxygen shares two electrons with the other.
Each oxygen shares eight electrons with the other.
Each oxygen shares six electrons with the other.
When two oxygen atoms get close to each other, the attractions from the nucleus of both atoms attract the outer electrons.
What is Electrons?A negatively charged subatomic particle known as an electron can either be free or attached to an atom (not bound). The nucleus of an atom is made up of electrons, protons, and neutrons together.
The positive charge of a proton balances the negative charge of an electron. An atom is in a neutral condition when it has the same number of protons and electrons.
There are several ways in which electrons differ from the other particles. They are substantially less massive, exist outside of the nucleus, and show both wave- and particle-like properties.
Therefore, When two oxygen atoms get close to each other, the attractions from the nucleus of both atoms attract the outer electrons.
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Why do you think cells of the epithelial tissue are close together?
Answer:
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Explanation:
The free surface of epithelial tissue is usually exposed to fluid or the air, while the bottom surface is attached to a basement membrane. The cells in epithelial tissue are very closely packed together and joined with little space between them. ... Epithelial tissue functions to absorb, secrete, and excrete substances.
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What is a substrate? A)the difference between a chemical reaction and an enzyme B)the place where an enzyme attaches itself C)It is a sticky molecule. D)the molecules that the enzyme sticks to in a chemical reaction E)a molecule that releases the energy in a chemical reaction
Answer:
D is correct answer...!
Explanation:
Enzyme binds with substrate to form ES complex.
E+S--->ES Complex--->E + P
does breast cancer occur in men? what are the signs and symptoms?
actually anatomy & physiology
Answer:
Yes
Explanation:
Breast cancer can occur in men. Symptoms can include a hard lump in the breast area, nipple discharge, the nipple turning inwards, and/or a rash around the nipple.
A landscaper is shopping for landscaping materials. She wants to use materials through which water flows easily. Which two materials should she choose? Clay and gravel gravel and loosely packed soil granite and rocks with cracks rocks with cracks and clay
Answer:
The correct answer is - Clay and gravel
Explanation:
Water can flow from the substance or material with greater porosity which is the number of pores resent in the particles of soil for easy exchange of water and gases.
Clay particles exhibit a higher amount of pores that permit the water to flow from it. Gravel allows water to pass from it as it is a loosely packed fragment of rocks
Answer:
gravel and looselypacked soil
Explanation:
When two species are forced to interact in a particular environment, how would
relationships of competition, predation, and mutualism affect the two populations?
Answer:
Find the explanation below.
Explanation:
When two species find themselves in the same environment, the quest for survival would lead to interactions among themselves.
Competition would result when there are limited resources. For example, when Tigers and Lions who feed on the same prey exist together in an environment, a competitive relationship can result.
Predation is a sort of interaction where an organism feeds on a prey to survive. Here, the weaker animal/species stands the risk of being defeated in the battle for survival. For example, in some homes where cats and rats exist, the cats tend to prey on the rats.
Mutualism is a form of symbiotic relationship where the animals exist together in a cooperative manner. Most fungal species have been found to have a mutualistic relationship with the roots of plants. Each of these two is important to each other's survival.
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Question: A marine biologist is testing the hypothesis that cold water promotes the growth of corals. Which of the following study designs may yield the most conclusive results?
A.) Two study sites with stable differing water temperatures, similar water nutrient profiles, and similar coral communities growing at different depths
B.) Two study sites with fluctuating water temperatures, similar coral communities growing at similar depths, with similar water nutrient profiles
C.) Two study sites with the same temperature profile, different coral communities growing at different depths, with different water nutrient profiles
D.) Two study sites with stable differing water temperatures, similar coral communities growing at similar depths, with similar water nutrient profiles
The statement that reveals the best study designs and may yield the most conclusive results is as follows:
Two study sites with stable differing water temperatures, similar water nutrient profiles, and similar coral communities growing at different depths.Thus, the correct option for this question is A.
What is Hypothesis?In experimental biology, the hypothesis may be defined as a testable statement about the relationship between two or more variables or a proposed explanation for some observed phenomenon. It is basically an assumption that is made based on some evidence.
According to the context of this question, the hypothesis that best demonstrates the most conclusive results for the above experiment is the stable differing water temperatures, similar water nutrient profiles, and similar coral communities growing at different depths. This is because the depths of the coral may vary with respect to the nutrients available in an aquatic ecosystem.
Therefore, the correct option for this question is A.
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true or false? diffusion requires energy from respiration
Answer:
true
Explanation:
Im so sorry if im asking alot of questions but i dont know anything so can someone help me ?
Answer:
The homogeneous mixture is only in the one phase of matter, whereas heterogeneous mixture is always in two or more than two different phases of matter. Solutions are termed as the homogeneous mixtures, on the other hand, suspensions or colloids are termed as the heterogeneous mixtures.
Examples:
Homogeneous:
Bronze: this alloy is an example of homogeneous substances since it is composed of tin and copper.
Milk : this mixture that we see in a uniform way is composed of substances such as water and fats.
Heterogeneous:
Mixtures in two or more phases are heterogeneous mixtures. Examples include ice cubes in a drink, sand and water, and salt and oil. The liquid that is immiscible form heterogeneous mixtures. A good example is a mixture of oil and water.
All animals go through puberty which prepares their body to have offspring. The cause for the changes in our body are due to hormones being released into the blood stream to different organs in your body. List and explain two organ systems involved.
Answer:
Endocrine and Circulatory system
Explanation:
Endocrine releases horomones while circulatory circulates blood around the body. The hormones are transported around the body in blood.
21. Which of the following statements about catabolic pathways is false?
a. Carbohydrates can feed into oxidative phosphorylation.
b. Glycogen can be broken down into glucose and feed into glycolysis.
c. Amino acids can feed into pyruvate oxidation.
d. Fatty acids can feed into the citric acid cycle.
from my point of view I think the answer should amino acid can fit into pyruvate oxidation
Carbohydrates can not feed into oxidative phosphorylation, firstly carbohydrates catabolize through glycolysis and the citric acid cycle and release electrons which feed into oxidative phosphorylation.
What are catabolic pathways?Acetyl-CoA, a chemical that "feeds" the citric acid cycle, can be produced from pyruvate (a byproduct of glycolysis), fatty acid -oxidation, ketone bodies, and amino acid metabolism.
The citric acid cycle is "cataplerotic" when molecules from other routes enter it for catabolism. Amino acids catalyze the breakdown of pyruvate.
Alanine, serine, glycine (through serine), and cysteine are among the amino acids with three carbon atoms that are transformed into pyruvate (the entry point for the citric acid cycle or gluconeogenesis)
Therefore, carbohydrates can feed into oxidative phosphorylation is false about the catabolic pathway, hence option A is correct.
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Which statement best describe the way thay an adesine phiphosphate molecule become an adenosi trphosphate molecule in the human body?
A. Protein cause phosphate molecule to bind to sugar and form ATP.
B. Food energy is used to attach a phosphate molecule to an ADP molecule.
C. Lonized Oxygen in cells causes sugars and phosphate molecule to form ATP.
D. Water breaks down ADP molecules which form into ATP molecules over time.
Answer:
B. Food energy is used to attach a phosphate molecule to an ADP molecule
Explanation:
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true or false? diffusion is a result of the random movement of particals
Are viruses alive
Explain
Answer:
Yes i think so
Explanation:
Answer:
Yes, because the coronavirus just proves it-
Explanation:
When a single-celled organism reproduces,what is the result
Answer:
its called asexual reproduction
When a single-celled organism reproduces, asexual reproduction takes place.
What do you mean by asexual reproduction?Asexual reproduction is a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes.
Asexual reproduction is a mode of reproduction in which a new offspring is produced by a single parent. The new individuals produced are genetically and physically identical to each other, i.e., they are the clones of their parents.
In asexual reproduction, one parent copies itself to form a genetically identical offspring. Sea turtles are an example of an animal that reproduces sexually, a volvox (green algae) is an example of an organism.
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Which reason best explains why carbon is able to form macromolecules?
Carbon is a very large element.
Carbon can bond with many elements.
Carbon is found in all living things.
Carbon is found in energy-storing molecules.
Answer:
carbon can bond with many elements
Explanation:
i just did it
Answer:
B
Explanation:
EDG 2021
Explain how human activities may have led to species being threatened or endangered?
Answer:
Invaded their habitats and hunted them
Explanation:
Which type of energy pyramid can be inverted?
A) pyramid of numbers
B) pyramid of biomass
C) pyramid of energy
D) pyramids of numbers, biomass, and energy
Answer:B
Explanation:
Answer:
The correct answer is D
Explanation:
Which term can be described as "many different species living together, interacting with each
other and with their physical environment?
A. a food chain
B. a food web
С. a nutrient cycle
D. an ecosystem
Answer: D
Explanation: community forms an ecosystem by its interaction with the abiotic environment. Species: A group of organisms that can potentially interbreed to produce fertile, viable offspring.
With respect to one another, galaxies have been found to be
1. moving closer together
2.moving farther apart
3.moving in random directions
4.stationary
With respect to one another, galaxies have been found to be moving farther apart from each other. The correct option is 2.
What are galaxies?Galaxies are large areas that contain stars, dark matter, dust, interstellar gases, etc. It is a gravity-bound system that contains everything in its own place.
There are many galaxies, some are still undiscovered. Our galaxy in which the earth is present is called the Milky Way. It is called the Milky Way because due to many stars it looks like a shiny white path.
Now, the Big Bang Theory says that the universe is made up of expanding of a single point. And the universe is still expanding, so the galaxies' and other matters still going farther away.
Thus, the correct option is 2. Moving farther apart.
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Where do I put the 4 protons
Answer:
the center in the nucleus.
Explanation:
Goss discovered the genetic link between hybrids.
True
False
Answer: False
Explanation: Im sorry if im wrong.
Look at the images below and order them from smallest to largest, using 1 for the smallest unit and
3 for the largest
Plant Cell
Atom
Molecule