Deoxyribonucleic Acid (DNA)

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Which of the following is a base that is NOT contained in DNA?

• Adenine
• Thymine
• Uracil
• Guanine

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

• deoxyribose sugar and adenine
• deoxyribose sugar and a hydrogen bond
• deoxyribose sugar and the nucleus
• deoxyribose sugar and phosphate

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

A DNA molecule is shaped like a

• toilet

• cone

• ball

• spiraled ladder

Most chromosomes are shaped like the letter

• Q

• W

• P

• X

Chromosomes occur in the _______ of a cell.

• cell

• chromosome

• gene

• nucleus

What are the four nitrogen bases?

• adenine, thymine, guanine, cytosine
• adenine, lysine, prolene, guanine
• arganine, cytosine, lysine, purine
• lysine, cytosine, lucine, guanine

The shape of the DNA molecule is a double __________________?

• "S"
• helix
• rope
• curve

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG