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ziro4ka [17]
3 years ago
14

What gas makes up most of the atmosphere of Earth

Biology
1 answer:
eduard3 years ago
6 0
Nitrogen makes most of the atmosphere of the earth
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Which of the following correctly identifies the main function of photosynthesis?
Liono4ka [1.6K]

Answer: The correct answer is- Converts solar energy to chemical energy.

Photosynthesis is a process of formation of food by green plants and algae using CO₂ and H₂O in the presence of sunlight. In this process, energy from sunlight is absorbed by chlorophyll ( green pigment present in the chloroplast) and it is converted into chemical energy in the form of ATP and NADPH. This is further utilized in the formation of food that is a carboydrate ( glucose).


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3 years ago
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Which organelle would the Spirulina bacterium have provided?
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Spirulina is a type of cyanobacteria. The cyanobacteria are a type of bacteria that have pigments that allow them to photosynthesize. Which organelle allows a plant to photosynthesize? 
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3 years ago
Metabolic pathways can be controlled through the availability of enzymes and modulation of their catalytic activities. Enzyme av
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Answer: a) substrate and cofactors b) covalent modification

Explanation:

Metabolic pathways involve all the chemical processes takes place in the enviornment or in an organisms.The metabolic pathways are controlled through the catalytic activities of enzymes.

The availability of enzyme is regulated  by substrate and cofactors present in enzyme and enzyme activity is commonly regulated via covalent modification.

Enzymes are highly selective in nature and bind to a specific substarte only. The active site in enzyme binds with the substrate to form enzyme substrate complex. Coactors assist the enzyme activity, without cofactor enzyme can not perform its activity.

Hence enzyme availibility is regulated by  substrate and cofactors regulates.

Covalent modifications regulates activity of enzyme as it involves addition and removal of chemical group to synthesis required protein. It can change the chemical properties of the site by targeting one or multiple amino acid.

Thus the correct answer is a) substrate and cofactors b) covalent modification

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4 years ago
In 1962 who was awarded the nobel prize for the discovery of the structure of dna
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The answer to that is James Watson and Francis Crick although if you search up on a search engine who found it Francis Crick will only show up.
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Which is not an advantage of using the Pyramid of Energy?
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