Honors Bio 2nd Semester Final- Part 1

What is DNA made of?

• Sugar, Phosphate, nitrogen base

• Phosphate, Adenine, nitrogen base

• Thymine, Adenine, Cytomine

• Phosphate, Nitrogen, Adenine

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

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

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

What enzyme is responsible for DNA being replicated in the proper sequence?

• DNA polymerase
• DNA helicase
• lactase
• amylase

These combine to form the DNA molecule.

• nucleotides
• amino groups
• nitrogen compounds
• organelles

In what phase of the cell cycle does DNA replication take place?

• G1
• S
• G2
• M

Watson and Crick were the first to suggest that DNA is _____

• a short molecule
• the shape of a double helix
• a protein molecule
• the genetic material

Tags

NGSS.HS-LS1-1

What statement below about base pairing is correct?

• The amount of Adenines always equal the amount of Guanines

• The amount of Purines equal the amount of Purines

• The amount of Purines equal the amount of Pyrimidines

• The amount of Purines is much greater than Pyrimidines