Which of Following Describes Proofreading for the Addition of Amino

question 36

Multiple Choice

Which of following describes proofreading for the addition of amino acids (AAs) to the growing peptide?

• A)An RNA component of the ribosome ensures that the correct AA is associated with the A site before addition occurs.
• B)An RNA component of the ribosome ensures that the correct AA has been added,but before the peptidyl-tRNA is shifted to the P site.
• C)The EF-Tu • GTP complex ensures that the correct AA is associated with the A site before addition occurs.
• D)EF-G ensures that the correct AA has been added,but before the peptidyl-tRNA is shifted to the P -site.
• E)No proofreading of this process occurs.

---

Definitions:

LEO

Stands for Low Earth Orbit, which is an orbit relatively close to Earth's surface where satellites can provide communication or remote sensing services.

MEO

Medium Earth Orbit, a designation for the orbit of satellites that reside in an orbit roughly between 2,000 and 35,786 kilometers above the Earth's surface.

Calibrated Instrument

A calibrated instrument is a device that has been tested and adjusted to ensure its accuracy and reliability in measurement, according to specified standards.

Federally Issued

Documents, currency, regulations or identification that are produced or sanctioned by the central government of a country.