Which of the following is a true statement about codons?

A.

A codon is a sequence of four nitrogenous bases.

B.

A codon is a sequence of three amino acids.

C.

In translation, an mRNA codon is recognized by its complementary amino acid.

D.

In translation, an mRNA codon is recognized by its complementary tRNA.

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

What is one function of the embedded proteins

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.