DNA and Genetics

What two things are chromosomes made of?

• RNA

• proteins

• carbohydrates

• DNA

Tags

NGSS.HS-LS3-1

An organism's genetic material is called:

• RNA

• nucleotides

• proteins

• DNA

Tags

NGSS.HS-LS3-1

What is a segment of DNA on a chromosome called?

• nucleotide

• gene

• RNA

• protein

What do scientists call the twisted zipper shape of DNA?

• double helix

• sphere

• helix

• double sphere

Which two scientists in London that used X-rays to study DNA?

• Maurice Wilkins

• Francis Crick

• James Watson

• Rosalind Franklin

Which two scientists built a model of DNA?

• Maurice Wilkins

• Francis Crick

• James Watson

• Rosalind Franklin

A molecule made of a nitrogen base, a sugar, and a phosphate group is called:

• proteins

• DNA

• nucleotides

• RNA

What are the four nitrogen bases?

• uracil (U), cytosine (C), thymine (T), guanine (G)

• adenine (A), uracil (U), thymine (T), guanine (G)

• adenine (A), cytosine (C), uracil (U), guanine (G)

• adenine (A), cytosine (C), thymine (T), guanine (G)

The process of copying a DNA molecule to make another DNA molecule is called:

• replication

• translation

• transcription

• mutation

What do we call the segments of DNA that are not parts of genes?

• genes

• smart DNA

• junk DNA

• proteins