Biology: Chapter 8 and 9 Test

What does DNA stand for?

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

Which of the following best describes a DNA molecule?

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

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

• cytosine
• guanine
• thymine
• uracil

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

__________________ is a change in the nucleotide base sequence of DNA.

• switch
• eraser
• creation
• mutation

What shape is DNA?

• a circle

• a triangle

• a double helix

the base that pairs with Thymine in DNA

• adenine
• guanine
• helicase
• nucleotide

the process of making a copy of DNA

• transcription
• double helix
• DNA replication
• replication fork

nitrogen base that pairs with guanine

• adenine
• cytosine
• nucloetide
• deoxyribose

Nitrogen base that pairs with adenine

• cytosine
• DNA polymerase
• deoxyribose
• thymine