Unit 2.2 Remediation

Front

What is the first amino acid in every protein?

Back

Methionine (Met), which is coded by the start codon AUG.

Front

Translate the mRNA sequence AUG GCU UAA into amino acids.

Back

MET - ALA - STOP.

Front

What allows human cells to differentiate into various types (muscle, skin, blood)?

Back

Gene expression.

Front

What type of mutation involves the replacement of one nucleotide with another?

Back

Substitution mutation.

Front

Which part of a nucleotide contains the genetic information?

Back

Nitrogenous Base.

Front

What is the role of AUG in protein synthesis?

Back

It is the start codon that signals the beginning of translation.

Front

What is gene expression?

Back

The process by which information from a gene is used to synthesize a functional gene product, usually a protein.

Front

What is a frameshift mutation?

Back

A mutation caused by insertions or deletions that shift the reading frame of the genetic message.

Front

What is the function of proteins in the body?

Back

Proteins perform a variety of functions including catalyzing metabolic reactions, replicating DNA, responding to stimuli, and transporting molecules.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains deoxyribose sugar, while RNA is single-stranded and contains ribose sugar.