Genes and DNA

Which RNA carries genetic material from DNA out to the ribosomes?

• rRNA

• mRNA

• tRNA

How many letters make up a codon?

• 2

• 3

• 4

• 6

Uracil pairs with

• adenine

• thymine

• cytosine

• guanine

Thymine pairs with

• adenine

• cytosine

• uracil

• guanine

RNA acts as a __________ between DNA and ribosomes.

• chemical agent

• duplicator

• messenger

• protein maker

This is a strand of

• DNA

• amino acid

• RNA

Tags

NGSS.HS-LS1-1

twisted ladder structure of DNA with sides made of alternating sugar and phosphate parts and rungs made of complementary bases

• chromatin

• protein

• double helix

• mutagen

usually, a set of instructions for making a particular protein

• chromatin

• gene

• chromosome

• nucleotide

• double helix

Tags

NGSS.HS-LS1-1

A string of nucleotides that has information for making one trait is

• a cell

• an amino acid

• a gene

• a protein

Tags

NGSS.HS-LS3-1

What scientist made images of DNA by using X-ray diffraction?

• James Watson

• Rosalind Franklin

• Francis Clark

• Erwin Chargaff