Exam 9 Flashcards
__ is the process by which DNA is copied to mRNA.
- Transmembrane
- Translocation
- Transcription
- Translation
Transcription
Once mRNA is formed, where does it travel to in order to direct protein synthesis ?
- Nucleus
- Ribosome
- Golgi apparatus
- Endoplasmic reticulum
Ribosome
What is the term for the “ editing “ of pre- messenger to create the desired mRNA molecule ?
- Translocation
- Transcription
- Splicesosome
- RNA splicing
RNA splicing
What is the term for a three- base stretch of mRNA?
- antisense
- terminus
- codon
- ribosome
Codon
How many naturally occurring amino acids are there?
- 20
- 40
- 1000
- 250
20
What amino acid is coded for by the triplet code of UUA ?
- Phe
- Val
- Arg
- Leu
Leu
Which of the following is NOT one of the four bases of RNA?
- G
- A
- T
- U
T
Organisms show “ ___ “ and use certain codons for a particular amino acid more than others.
- missense
- triplet codes
- codon bias
- translocation
Codon bias
What would the complimentary strand to the RNA below ? AAGCUUGG - UUCGAACC - AGACUAG - AACGUUCC - CCUGCCAA
UUCGCAACC
True or False
- Transcription is different from DNA replication, because only one strand is transcribed, where as with DNA replication both strands are copied.
True
