What Happens at the P Site of a Ribosome

question 132

Multiple Choice

What happens at the P site of a ribosome?

• A)It contains the enzyme that catalyzes formation of a peptide bond.
• B)It causes the ribosome to attach to the endoplasmic reticulum.
• C)It has the binding site for mRNA.
• D)It holds the tRNA with the most recent amino acid that has been added to the polypeptide chain.
• E)It holds the tRNA with the next amino acid to be added to the polypeptide chain.

---

Definitions:

Monomial

An algebraic expression consisting of a single term, which can be a constant, a variable, or multiples of variables and constants.

Sum

The result obtained by adding two or more numbers or expressions.

Sum

The result of adding two or more numbers or expressions together.

Polynomials

Algebraic expressions consisting of variables and coefficients, constructed from operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.