Well for both of them to survive they need oxygen, food, water amino acids, and a way to leave waste, but that depends on the type of cell
Answer:
An atmosphere might moderate temperatures, making them even more even as on earth
Explanation:
Answer:
False
Explanation:
Individual organisms don't evolve over time. This is because evolution is passed down to offspring over time.
Answer:
evaporation
Explanation:
all the others have a completely different meaning
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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
