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Flashcards in Exam 9 Deck (10)
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1
Q

__ is the process by which DNA is copied to mRNA.

  • Transmembrane
  • Translocation
  • Transcription
  • Translation
A

Transcription

2
Q

Once mRNA is formed, where does it travel to in order to direct protein synthesis ?

  • Nucleus
  • Ribosome
  • Golgi apparatus
  • Endoplasmic reticulum
A

Ribosome

3
Q

What is the term for the “ editing “ of pre- messenger to create the desired mRNA molecule ?

  • Translocation
  • Transcription
  • Splicesosome
  • RNA splicing
A

RNA splicing

4
Q

What is the term for a three- base stretch of mRNA?

  • antisense
  • terminus
  • codon
  • ribosome
A

Codon

5
Q

How many naturally occurring amino acids are there?

  • 20
  • 40
  • 1000
  • 250
A

20

6
Q

What amino acid is coded for by the triplet code of UUA ?

  • Phe
  • Val
  • Arg
  • Leu
A

Leu

7
Q

Which of the following is NOT one of the four bases of RNA?

  • G
  • A
  • T
  • U
A

T

8
Q

Organisms show “ ___ “ and use certain codons for a particular amino acid more than others.

  • missense
  • triplet codes
  • codon bias
  • translocation
A

Codon bias

9
Q
What would the complimentary strand to the RNA below ? 
AAGCUUGG 
- UUCGAACC
- AGACUAG
- AACGUUCC 
- CCUGCCAA
A

UUCGCAACC

10
Q

True or False
- Transcription is different from DNA replication, because only one strand is transcribed, where as with DNA replication both strands are copied.

A

True