BSC 360 Exam 2 Review

Kinetochores are protein complexes that bind what region of DNA?

• Centriole

• Centromere

• Centrisome

The complex of DNA wrapped around histones is referred to as what name?

• Chromatin

• Chromosome

• Supercoil

• Nucleosome

Which of the following proteins condenses nucleosomes into chromatin fibers?

• Topoisomerase

• Cohesin

• Condensin

• Helices

Which of the following is NOT a way to open/close DNA regions?

• Acetylation

• Methylation

• Chromatin-remodeling complex

• Helicase

A template strand of DNA is given. During DNA replication, what would be the 1st base added to the new strand?

5' ATTACAGAGGT 3'

• A

• T

• C

• G

What protein relieves DNA supercoiling upstream of the DNA replication complex?

• Helicase

• SSB

• Primase

• Topoisomerase

Which DNA repair system is used to fix double-stranded breaks?

• Mismatch repair

• Proofreading

• Homologous Recombination

Which of the following is NOT a way in which RNA differs from DNA?

• 2' OH

• U instead of C

• Single stranded vs. double stranded

• short half-life vs. long half-life

RNA polymerase 1 in eukaryotes produces what type of RNA?

• mRNA

• rRNA

• tRNA

In Eukaryotic transcription initiation, what initiation factor arrives after TFIIH?

• TFIIB

• TFIIF

• TFIID

• TFIIE