Describe the significance of each of the molecules in gene expression. DNA

mRNA

tRNA

rRNA

Amino Acid

Polypeptide

Which of the following systems in absorbing oxygen and releases carbon dioxide

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .