Biochemistry Quiz 6
1 / 50
A mutation that converts an amino acid codon to a stop codon is a_____________?
2 / 50
The vitamin that facilitates iron absorption____________?
3 / 50
Blood glucose level cannot be augmented by mobilization of muscle glycogen due to lack of_____________?
4 / 50
The most common enzyme deficiency in man is___________?
5 / 50
Proteins are linear polymers of amino acids, They fold into compact structures Sometimes these folded structures associate to form homo or hetero dimers Which one of the following refers to this associated form ?
6 / 50
Urea is formed in_____________?
7 / 50
Iron is present in all of the following except_______________?
8 / 50
Which of the following is inclusion of cytoplasm ?
9 / 50
An enzyme not involved in glycolysis is______________?
10 / 50
The antibacterial substance present in tears which acts by splitting cell wall components is____________?
11 / 50
One of the following is nonessential amino acid______________?
12 / 50
In TCA cycle or tricarboxylic acid cycle, which is first formed________________?
13 / 50
HMG-CoA is formed during metabolism of all except______________?
14 / 50
The enzyme involved in the first committed step of glycolysis is____________?
15 / 50
Most of vitamin B12 in the body is stored as_____________?
16 / 50
Kreb?s cycle occurs in _________ conditions?
17 / 50
The tissue with the highest glycogen content (mg/100gm)_____________?
18 / 50
In all the following RNA participates directly except________________?
19 / 50
False statement about haemoglobin structure________________?
20 / 50
Golgi bodies function are______________?
21 / 50
Which of the following is not a polymer of glucose?
22 / 50
A patient with chronic renal failure and bone pains will have deficiency of which vitamin_____________?
23 / 50
Which of the following is not true of Vit D_______________?
24 / 50
Indole ring is present in______________?
25 / 50
The mineral having sparing action on Vitamin E_______________?
26 / 50
Normal level of serum phosphorous is_____________?
27 / 50
One molecule of B-carotene gives rise to______________?
28 / 50
Ketone bodies are normally synthesized from______________?
29 / 50
Which is the by product of the urea cycle_______________?
30 / 50
Which cell organelle contains DNA_____________?
31 / 50
R-RNA is mainly produced mainly in___________?
32 / 50
Unsaturated fatty acids are converted to______________?
33 / 50
The deficiency of thiamine can be identified by measuring the red cell______________?
34 / 50
Which of the following is not a part of hemoglobin molecule___________?
35 / 50
The amino acid required for the synthesis of haem is______________?
36 / 50
Most importent compansatory mechanism in metabolic acidosis______________?
37 / 50
Glycogen breakdown leads to formation of______________?
38 / 50
Insulin increase the following pathways in liver EXCEPT____________?
39 / 50
Deficiency of vitamin C causes the following except_______________?
40 / 50
The substance essential for transfter of fatty acids across mitochondrial membrance_____________?
41 / 50
Benzidine test is positive with the enzyme______________?
42 / 50
A fatty acid that is not synthesized in man is_____________?
43 / 50
Which of the following is not a post transcriptional modification of RNA ?
44 / 50
Somatomedin mediates________________?
45 / 50
Colloidal osmotic pressure of plasma is by___________?
46 / 50
In TCA cycle substrate level phosphorylation occurs at____________?
47 / 50
All are true about glutathione except ?
48 / 50
Consumption of raw egg white in the diet may result in the deficiency of______________?
49 / 50
Cell membrane consists of_________________?
50 / 50
Unwinding of DNA is done by____________?
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