Genetics

A DNA molecule could contain the following molecules:

• Ribose, adenine, and a thymine

• Deoxyribose, cytosine, and a lipid

• Deoxyribose, thymine, and a phosphate group

• Ribose, uracil, and a polypeptide

Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG

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

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication
• Translation
• Transcription

What will the first four bases of the new DNA strand look like if copying the template strand?

• TGGT
• ACCA
• GTTG
• CAAC

Why does DNA replicate?

• To create another copy for the new cell
• To create a duplicate copy in case the original gets damaged
• To create a new copy to replace the damaged original

DNA replication results in

• 2 completely new DNA molecules

• 2 DNA molecules that each contain a strand of the original

• 1 new DNA molecule and 1 old

• 1 new molecule of DNA

The new DNA strand formed after DNA replication is an exact copy of its parent strand

• True

• False

A DNA nucleotide contains all of the following, except...

• Deoxyribose
• Phosphate group
• Nitrogenous base
• Cholesterol

What is the shape of DNA?

• Double helix
• Triple helix
• Flat, bilayer
• Three-pronged rigid ladder

The picture below shows the steps of DNA replication beginning with step one and ending with step three.

​Because you are reusing the old, or parent, DNA strand DNA replication is said to be

• Semi- Conservative

• Semi-discontinuous

• Continuous

• Fully-Conserveative