In pregnancy and during growth , the synthesis of proteins must........ protein denaturation
Anonymous Quiz
9%
Equal
73%
Exceed
12%
Less than
7%
Not effects
There are cosnstant need for dietary intake of protein such as
Anonymous Quiz
10%
Pregnancy
2%
During
13%
Synthesis of non-protein molecules
2%
Recovery from illness
74%
All of above
One of these following statements is not false
Anonymous Quiz
16%
Protein digestion begins in the mouth
12%
The primary enzyme involved in proteolytic digestion is trypsin
42%
Proteolytic enzymes break the proteins down into free amino acids , dipeptides and tripeptides
31%
Trypsin catalyzes the nonspecific hydrolysis of peptide bonds at an optimal pH of 2.
In the postabsorptive state, free amino acids particularly ........ are released from muscle into the circulation
Anonymous Quiz
58%
alanine
18%
Valine
17%
Asparagine
6%
Serine
According to the ( interorgan exchange of amino acids) which of these statements is not true
Anonymous Quiz
26%
In the fed state the splanchnic tissues release amino acids while the peripheral muscles extract it
48%
The kidney provides a major source of Lysine for uptake by peripheral tissues
11%
Alanine is a key gluconeogenic amino acid
16%
Glutamine also serves as a source of ammonia for excretion by the kidney
Different proteins are degraded at different rates. For example........... proteins are quickly degraded
Anonymous Quiz
71%
Abnormal
17%
normal
7%
important
6%
non important
Degradation of normal proteins with comparable functions depends on
Anonymous Quiz
1%
Pest sequences
20%
N- terminal residue
76%
Both
4%
None of above
the residue present at its amino terminal affects whether a protein is
ubiquitinated and subsequently degraded. Amino terminal .............. retards whereas .......... accelerates ubiquitination.
ubiquitinated and subsequently degraded. Amino terminal .............. retards whereas .......... accelerates ubiquitination.
Anonymous Quiz
13%
Serine and asparagine . Methionine and arginine
8%
Methionine and asparagine . Serine and arginine
9%
Arginine and serine . Asparagine and methionine
39%
Methionine and serine . Asparagine and arginine
9%
Asparagine and arginine . Methionine and serine
23%
D & E
All is true about Non-specific protein degradation except
Anonymous Quiz
12%
Take place in lysosome
17%
ATP independent
47%
rheumatoid arthritis decreases lysosomal activity
24%
the muscular mass of the uterus is reduced from about 2 kg to about 50 g in just nine days
Cellular functions of protein degradation is / are
3. (increase or decrease the number of enzyme molecules and regulatory substances).
3. (increase or decrease the number of enzyme molecules and regulatory substances).
Anonymous Quiz
2%
Elimination of misfolded and damaged proteins
2%
generation of active proteins
4%
recycling of amino acids.
3%
Regulation cell division
63%
All of above
26%
All of the above except D
Controlled or programmed protein degradation by Ubiquitin-Proteasome
system is / are
system is / are
Anonymous Quiz
10%
Required ATP
11%
Occurs in the lysosome
14%
Subsequent degradation of Ub-tagged proteins takes place in the proteasome
65%
A&C
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