Answer: polyunsaturated fatty acid residues
Explanation: Unsaturated fatty acids have a lower melting point so arctic animals have these fatty acids in their membranes.
Your answer is going to be D
Answer:
To make our mRNA
Explanation:
I think it is this one, but I am not sure, sorry if it is wrong. :(
But I do know this, I think it might help you:
A transfer RNA (tRNA) is a special kind of RNA molecule. Its job is to match an mRNA codon with the amino acid it codes for. You can think of it as a kind of molecular "bridge" between the two. Each tRNA contains a set of three nucleotides called an anticodon.
bc the more the earth tilts the farther away that part of the earth gets from the sun so therefor its not goin to be as hot over there