DNA & the Central Dogma

The structure of DNA is described as a ___ formed by two strands of nucleotides.

• double helix

• single spiral

• polymerase chain

• protein molecule

A process called ____ uses the code carried by messenger RNA for protein synthesis.

• translation

• transcription

• unwinding

• elongation

The enzyme ____ catalyzes the addition of nucleotides to the DNA strand.

• uracil

• adenine

• DNA polymerase

• segmental ligase

The three-base code in DNA or messenger RNA is called a ____.

• polymerase chain

• translation

• codon

• transfer RNA

Tags

NGSS.HS-LS1-1

What are the small segments synthesized in the lagging strand of DNA?

• ligases

• adenines

• Okazaki fragments

• helixes

What is synthesized to pass the DNA code to the ribosome?

• polymerase

• messenger RNA

• ligase

• ribosome

Which of these are not one of the nitrogenous bases in DNA nucleotides?

• adenine

• uracil

• guanine

• thymine

Which of these is not an aspect of the central dogma of biology?

• DNA and RNA control protein synthesis

• DNA codes for RNA

• DNA and RNA are in living things

• genetic material is found in protein

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

What genetic process is shown here?

• RNA replication

• semiconservative replication

• parent strand mutation

• meiosis

Tags

NGSS.HS-LS3-2

Which enzyme shown here, binds to the site where messenger RNA will be synthesized?

• RNA polymerase

• template DNA strand

• nucleotide

• adenine