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Key Terms
Transcription
Translation
Protein Folding
Code It
100
Three base sequence on one loop of tRNA.
anticodon
100
Which of these is not found in RNA? A. ribose sugar B. nitrogen C. deoxyribose sugar D. purines
C. deoxyribose sugar
100
The "start" codon.
AUG
100
Location of protein folding.
Endoplasmic reticulum
100
Replaces thymine in RNA.
Uracil
200
Control sequence near the start of a gene.
promotor
200
The enzyme that synthesizes messenger RNA from a DNA template is: A. DNA Polymerase B. RNase C. RNA Polymerase D. Ligase
C. RNA Polymerase
200
_______ bonds form between amino acids during elongation. A. Phosphodiester B. Disulfide C. Peptide D. Hydrogen
C. Peptide
200
_________ structures form in proteins as a result of attractions/repulsions with water.
Tertiary
200
The DNA template ATGCGTTA is transcribed into an RNA strand with the sequence:
UACGCAAU
300
Part of a gene that encodes amino acids.
exon
300
In transcription, one DNA strand is transcribed into a(n) _______ RNA strand, which is translated into protein. A. ribosomal B. messenger C. duplicate D. transfer
B. messenger
300
A(n) _______ molecule carries amino acids to the ribosomes where they are joined to form a polypeptide.
tRNA
300
Severely misfolded proteins are taken to a _________ where it is cut back down to amino acids.
proteasome
300
Anticodon for CUA.
GAU
400
mRNA is transcribed using the ________ strand of the DNA double helix.
template
400
B is an intron between two exons A and C. Which representation best describes how this region of mRNA will appear after it is transcribed and processed by a spliceosome? A. B-C B. A-C C. A-B-C D. B only
B. A-C
400
Ribosomal RNAs: A. are translated from DNA. B. are synthesized by ribosomes. C. connect codons to amino acids. D. join with proteins to form ribosomes.
D. join with proteins to form ribosomes.
400
_______ tag misfolded proteins for refolding or degredation into amino acids. A. Chaperones B. Folding proteins C. Proteasomes D. Ubiquitin molecules
D. Ubiquitin molecules
400
Any of the three "stop" codons.
UGA, UAG or UAA
500
Structure made of snurps that cut out introns on mRNA.
spliceosome
500
How do transcription factors function in the expression of genes? A. They initiate transcription B. They associate to initiate translation C. They bring amino acids into the ribosome D. They turn transcription of specific genes on or off
D. They turn transcription of specific genes on or off
500
Transfer RNA brings in amino acids to the ribosome by first entering the ______ site.
A
500
TSEs (transmissible spongiform encephalopathies) are diseases caused by misfolded ________.
prions
500
If the percentage of guanine in an mRNA is 25%, what is the percentage of cytosine?
Cannot be determined!