DNA vs RNA Lesson

Which molecule exits the nucleus after being made?

• RNA

• DNA

• Water

• Energy

What shape is DNA?

• A single helix

• A crstyal

• A double helix

• Primary Structure

What nitrogenous base does Uracil always pair with?

• Cytosine

• Guanine

• Adenine

• Thymine

What is the central dogma of biology?

• DNA codes for RNA, which guides enzyme synthesis

• DNA codes for RNA, which guides protein synthesis

• RNA codes for DNA, which guides protein synthesis

• RNA codes for DNA, which guides enzyme synthesis

Rosalind Franklin's photo 51 helped determine that DNA has a ___ shape.

• spiral helix

• hexagon helix

• double helix

• single helix

The enzyme ___ unwinds DNA. during the replication process.

• helicase

• multicase

• mutations

• operon

A strand containing ribose and uracil is called ___.

• protein

• tRNA

• mRNA

• RNA

Which two DNA nucleotides are collectively called purines?

• adenine & thyamine

• adenine & guanine

• thytosine & guanine

• thyamine & guanine

What nucleotide base can only be found in RNA?

• uracil

• guanine

• thyamine

• cytosine

The process of ___ creates mRNA that is later used for protein synthesis.

• synthesis

• transcription

• translation

• transcribe