Cell Bio Exam 1 Review Sp23

T/F: In prokaryotes, there are 3 RNA polymerase enzymes.

• True

• False

What is the difference between heterochromatin and euchromatin?

Describe the number of origins of replication in eukaryotes and prokaryotes.

All of the following nitrogen bases are pyrimidines except:

• Uracil

• Thymine

• Adenine

• Cytosine

The name of the enzyme responsible for unzipping the DNA strand during the synthesis of DNA is:

• RNA polymerase

• DNA polymerase

• RNA Primase

• Helicase

List and describe the three types of point mutations that can damage DNA.

Tags

NGSS.HS-LS3-2

All of the following are non-coding RNA molecules except:

• mRNA

• tRNA

• rRNA

• miRNA

T/F: DNA Polymerase has the ability to unwind the DNA strand without additional help.

• True

• False

What amino acid is known as the start codon for translation

• Methionine

• Proline

• Serine

• Threonine

Where does transcription occur in eukaryotes and prokaryotes?