Honors Biology - DNA Replication

Which of the following replication enzymes is used to unwind the DNA double helix?

• DNA polymerase

• Primase

• DNA ligase

• Helicase

Of the following DNA replication enzymes, which one links the Okazaki fragments of the lagging strand?

• DNA ligase

• DNA polymerase

• Helicase

• Primase

DNA replication is semi-conservative. This means that __________.

• both double strands have different percentages of nucleotides

• both double strands have a newly created strand and an original template strand

• an entirely new synthesized DNA molecule is created, while the original double helix stays together

• none of the above

Tags

NGSS.HS-LS3-2

Which of the following complementary base pairs are correct?

• A - T

• T - C

• A - G

• G - U

Which enzyme catalyzes the elongation of a new DNA strand in the 5' → 3' direction?

• Ligase

• DNA polymerase

• Primase

• Lactase

DNA is a polymer made of monomers (building blocks) called

• Nucleotides

• Proteins

• Amino Acids

• Lipids

A nitrogenous base is an important component of the nucleotide making up DNA. Which of the following correctly lists the four possible nitrogenous bases in DNA?

• glutamine, proline, tyrosine, phenylalanine

• adenine, guanine, cytosine, thymine

• leucine, proline, tyrosine, phenylalanine

• adenine, guanine, cytosine, uracil

What is an Okazaki fragment?

• short RNA primers placed before DNA replication starts

• long segments of DNA on leading strand

• short sequences of DNA which are synthesized discontinuously on lagging strand

• a japanese show on netflix

Site or section where double-stranded DNA splits apart into 2 single strands

• Leading Strand

• Replication Fork

• Lagging Strand

• RNA primer

(Hard) Which of the following is true?

• Strand III is a lagging strand template while strand IV is a leading strand template

• Strand I is the leading strand while Strand II is the lagging strand

• Strand I and Strand II are template (parental) strands

• Strand III is complimentary to Strand II