A)the monomers that make up proteins are amino acids( you could talk about the central dogma here but idk if you have to). remember central dogma is dna to mRNA then mRNA to amino acids and amino acids to proteins.
nucleic acid is made of the monomers nucleotides ( cytosine, thymine, adenine, and guanine). this is basically DNA
It’s corresponding molecule that or bonds to. I think it is a substrate.
Most autotrophs<span> make their "food" through photosynthesis using the energy of the sun.</span>Heterotrophs<span> cannot make their own food, so they must eat or absorb it.</span>
Answer:
A tight junction is a watertight seal between two adjacent animal cells, which prevents materials from leaking out of cells.
Explanation:
Terrestrial ecosystems (tetrapods)
