EmSAT EmSAT Biology 6

Question 1

What is the process of transcription in molecular biology?

Accepted Answer

DNA → RNA (making mRNA from DNA)

Answer

DNA → DNA (DNA replication)

Answer

RNA → Protein (making protein from mRNA)

Answer

Protein → DNA

Question 2

What is translation in protein synthesis?

Accepted Answer

RNA → Protein

Answer

DNA → RNA

Answer

DNA → Protein directly

Answer

Protein → Amino acids

Question 3

What is a codon?

Accepted Answer

A sequence of three bases on mRNA that codes for one amino acid

Answer

A single DNA base

Answer

A type of mutation

Answer

An entire gene

Question 4

What is the role of tRNA in protein synthesis?

Accepted Answer

Brings the correct amino acid to the ribosome during translation

Answer

Carries the genetic code from nucleus to ribosome

Answer

Unzips the DNA double helix

Answer

Synthesizes new DNA strands

Question 5

What is the central dogma of molecular biology?

Accepted Answer

DNA → RNA → Protein

Answer

DNA → Protein → RNA

Answer

RNA → DNA → Protein

Answer

Protein → RNA → DNA

Question 6

What is epigenetics?

Accepted Answer

Changes in gene expression not involving DNA sequence changes

Answer

Changes to the DNA sequence itself

Answer

The study of genes in populations

Answer

Mutation caused by radiation