1. Some Events Occur in a Cell During Translation
mRNA binds to a ribosome.
Transcription completes.
mRNA leaves the nucleus.
tRNA attaches to the start codon.
Ribosome reads the mRNA codons.
Stop codon marks the end of translation.
Amino acid attached to tRNAs bind to other amino acids, forming a protein chain.
List in sequence, the events numbered above that occur during protein synthesis.
7. A small section of bacterial enzyme has the amino acid sequence arginine, threonine, alanine, and isoleucine.
The tRNA anticodons for the amino acid sequence shown above is
Select one:
a. GCG UGG CCC UAA
b. GCC UGA CGU UAG
c. GCA UGC CGA UAC
d. CGA AGA GCC AUA
9. An enzyme such as ligase is a protein molecule. When high temperature is applied to ligase, the protein molecule changes its shape and is no longer able to perform its function. The enzyme is said to be denatured.
Consider the central dogma of molecular biology. If ligase was denatured in a cell, how would it affect its cell cycle?
Select one:
a. The cell would not be able to transcribe DNA.
b. The cell would not be able to produce protein molecules.
c. The cell would not be able to obtain amino acids.
d. The cell would not be able to replicate.
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