Introduction to DNA

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Tags

NGSS.HS-LS1-1

DNA is a polymer made of:

• Nucleotides

• Ribosomes

• Purines

• Pyrimidines

Tags

NGSS.HS-LS1-1

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine

• guanine

• thymine

• uracil

What does DNA stand for?

• Deoxyribonucleic acid

• Denitrogenous acid

• Deribonucleic acid

• Diribonucleic acid

Which organelle is DNA usually found in?

• cell membrane

• vacuole

• ribosome

• nucleus

Tags

NGSS.MS-LS1-2

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

What will the matching sequence be on a strand that reads AAGCTAT?

• AACGATA

• TTCGTTA

• CCTGATA

• TTCGATA

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

DNA codes for...

• bases

• proteins

• amino acids

• phosphates

Tags

NGSS.HS-LS1-1

What shape is DNA?

• a circle

• a triangle

• a double helix