DNA / RNA

The correct name for DNA is

• Deoxyribonucleic acid

• Ribonucleic acid

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Which sequence of DNA bases would pair with this partial strand

ATG - TGA - CAG

• ATG - TGA - CAG

• TAC - ACT - GTC

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids

• nucleotides

• fatty acids

• polysaccharides

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

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

• cytosine
• guanine
• thymine
• uracil

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What determines the code, or information, of a DNA molecule?

• the order (sequence) of the nitrogen bases

• the color of the nitrogen bases

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose and adenine

• deoxyribose and a hydrogen bond

• deoxyriboser and the nucleus

• deoxyribose and phosphate

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base