Question: Which of the following RNAs bind to an amino acid?
[A].mRNA
tRNA
rRNA
hnRNA
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Biochemistry
Metastasis involves
Question: Metastasis involves
[A].ability of cells to dissolve cellular matrix
metalloprotein levels
decreased levels of proteins that regulate metalloproteins
all of the above
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
BRACl, an inherited form of breast cancer, regulates cell division by
Question: BRACl, an inherited form of breast cancer, regulates cell division by
[A].binding to a DNA sequence
complexing with cyclins
binding to the cell outer membrane
binding to the protein RAD 51 which repairs DNA damage
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Cyclins are proteins that
Question: Cyclins are proteins that
[A].regulate ability of cells to invade tissue
regulate passage from one stage of cell division to another
regulate apoptosis of damaged cells
none of the above
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Over 50% of common cancers are associated with damage to a protein, p53. This protein
Question: Over 50% of common cancers are associated with damage to a protein, p53. This protein
[A].is a cyclin
is a tumor supressor
is an oncogene
regulates apoptosis
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Marfan’s syndrome is thought to be a mutation affecting
Question: Marfan’s syndrome is thought to be a mutation affecting
[A].hemoglobin synthesis
collagen synthesis
metabolism of homogentisic acid
insufficient thyroid production
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Individuals with PKU disease are mentally retarded unless
Question: Individuals with PKU disease are mentally retarded unless
[A].phenylalanine in the diet is restricted
tyrosine in the diet is restricted
homogentisic acid in the diet is restricted
none of the above
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Beta pleated sheets are examples of protein’s
Question: Beta pleated sheets are examples of protein’s
[A].primary structure
secondary structure
tertiary structure
quaternary structure
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
For the unfolding reaction of Protein G, ΔH° =210.6 kJ/mol, this means that
Question: For the unfolding reaction of Protein G, ΔH° =210.6 kJ/mol, this means that
[A].unfolding is favored enthalpically
folding is favored enthalpically
the entropy is positive at all temperatures
the entropy is negative at all temperatures
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
At the midpoint of a temperature transition curve,
Question: At the midpoint of a temperature transition curve,
[A].half of the protein is denatured
Keq = 1.0 and ΔG = 0
[Native] = [Unfolded]
All of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.