Amethopterin and aminopterin decrease the synthesis of (A) TMP (B) UMP (C) CMP (D) All of these

Amethopterin and aminopterin decrease the synthesis of (A) TMP (B) UMP (C) CMP (D) All of these
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Tetrahydrofolate is required as a coenzyme for the synthesis of (A) UMP (B) CMP (C) TMP (D) All of these

Description : Tetrahydrofolate is required as a coenzyme for the synthesis of (A) UMP (B) CMP (C) TMP (D) All of these

Last Answer : Answer : C

The first pyrimidine nucleotide to be formed in de novo synthesis pathway is (A) UMP (B) CMP (C) CTP (D) TMP

Description : The first pyrimidine nucleotide to be formed in de novo synthesis pathway is (A) UMP (B) CMP (C) CTP (D) TMP

Last Answer : Answer : A

Inosine monophophate is an intermediate during the de novo synthesis of (A) AMP and GMP (B) CMP and UMP (C) CMP and TMP (D) All of these

Description : Inosine monophophate is an intermediate during the de novo synthesis of (A) AMP and GMP (B) CMP and UMP (C) CMP and TMP (D) All of these

Last Answer : Answer : A

A purine nucleotide is (A) AMP (B) UMP (C) CMP (D) TMP

Description : A purine nucleotide is (A) AMP (B) UMP (C) CMP (D) TMP

Last Answer : Answer : A

Xanthosine monophosphate is an intermediate during de novo synthesis of (A) TMP (B) CMP (C) AMP (D) GMP

Description : Xanthosine monophosphate is an intermediate during de novo synthesis of (A) TMP (B) CMP (C) AMP (D) GMP

Last Answer : Answer : D

d-UMP is converted to TMP by (A) Methylation (B) Decarboxylation (C) Reduction (D) Deamination

Description : d-UMP is converted to TMP by (A) Methylation (B) Decarboxylation (C) Reduction (D) Deamination

Last Answer : Answer : A

The first true pyrimidine ribonucleotide synthesized is (A) UMP (B) UDP (C) TMP (D) CTP

Description : The first true pyrimidine ribonucleotide synthesized is (A) UMP (B) UDP (C) TMP (D) CTP

Last Answer : Answer : A

Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase gene so that the enzyme is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis

Description : Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase ... is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis

Last Answer : Answer : B

For the synthesis of TMP from dump, a coenzyme is required which is (A) N10- Formyl tetrahydrofolate (B) N5- Methyl tetrahydrofolate (C) N5, N10- Methylene tetrahydrofolate (D) N5- Formimino tetrahydrofolate

Description : For the synthesis of TMP from dump, a coenzyme is required which is (A) N10- Formyl tetrahydrofolate (B) N5- Methyl tetrahydrofolate (C) N5, N10- Methylene tetrahydrofolate (D) N5- Formimino tetrahydrofolate

Last Answer : Answer : C

PRPP glutamyl amidotransferase, the first enzyme uniquely committed to purine synthesis is feed back inhibited by (A) AMP (B) IMP (C) XMP (D) CMP

Description : PRPP glutamyl amidotransferase, the first enzyme uniquely committed to purine synthesis is feed back inhibited by (A) AMP (B) IMP (C) XMP (D) CMP

Last Answer : Answer : A

Amplification of dihydrofolate reductase gene in a cancer cell makes the cell (A) Susceptible to folic acid deficiency (B) Less malignant (C) Resistant to amethopterin therapy (D) Responsive to amethopterin therapy

Description : Amplification of dihydrofolate reductase gene in a cancer cell makes the cell (A) Susceptible to folic acid deficiency (B) Less malignant (C) Resistant to amethopterin therapy (D) Responsive to amethopterin therapy

Last Answer : Answer : C

Amplification of dihydrofolate reductase gene may be brought about by (A) High concentrations of folic acid (B) Deficiency of folic acid (C) Low concentration of thymidylate (D) Amethopterin

Description : Amplification of dihydrofolate reductase gene may be brought about by (A) High concentrations of folic acid (B) Deficiency of folic acid (C) Low concentration of thymidylate (D) Amethopterin

Last Answer : Answer : D

Hybridoma cells are selected by culturing them in a medium containing (A) Adenine, guanine, cytosine and thymine (B) Adenine, guanine, cytosine and uracil (C) Hypoxanthine, aminopterin and thymine (D) Hypoxanthine, aminopterin and thymidine

Description : Hybridoma cells are selected by culturing them in a medium containing (A) Adenine, guanine, cytosine and thymine (B) Adenine, guanine, cytosine and uracil (C) Hypoxanthine, aminopterin and thymine (D) Hypoxanthine, aminopterin and thymidine

Last Answer : Answer : D

Purine biosynthesis is inhibited by (A) Aminopterin (B) Tetracyclin (C) Methotrexate (D) Chloramphenicol

Description : Purine biosynthesis is inhibited by (A) Aminopterin (B) Tetracyclin (C) Methotrexate (D) Chloramphenicol

Last Answer : Answer : A

A very efficient inhibitor of steroid biosynthesis is (A) Aminoglutethimide (B) Aminoimidazole (C) Aminoimidazolesuccinyl carboxamine (D) Aminopterin

Description : A very efficient inhibitor of steroid biosynthesis is (A) Aminoglutethimide (B) Aminoimidazole (C) Aminoimidazolesuccinyl carboxamine (D) Aminopterin

Last Answer : Answer : A

Carbonic anhydrase is competitively inhibited by (A) Allopurinol (B) Acetazolamide (C) Aminopterin (D) Neostigmine

Description : Carbonic anhydrase is competitively inhibited by (A) Allopurinol (B) Acetazolamide (C) Aminopterin (D) Neostigmine

Last Answer : Answer : B

The anti-vitamin for para amino benzoic acid is (A) Aminopterin (B) Dicoumarol (C) INH (D) Sulphanomides

Description : The anti-vitamin for para amino benzoic acid is (A) Aminopterin (B) Dicoumarol (C) INH (D) Sulphanomides

Last Answer : Answer : D

An anti-vitamin for folic acid is (A) Aminopterin (B) Dicoumarol (C) Pyrithiamine (D) Isoniazid

Description : An anti-vitamin for folic acid is (A) Aminopterin (B) Dicoumarol (C) Pyrithiamine (D) Isoniazid

Last Answer : Answer : A

The anti-vitamin for para amino benzoic acid is (A) Aminopterin (B) Dicoumasol (C) Sulphanomides (D) Thiopamic acid

Description : The anti-vitamin for para amino benzoic acid is (A) Aminopterin (B) Dicoumasol (C) Sulphanomides (D) Thiopamic acid

Last Answer : Answer : C

The anti vitamin for para aminobenzoic acid is (A) Aminopterin (B) Dicoumarol (C) Sulphonamides (D) Thiopanic acid

Description : The anti vitamin for para aminobenzoic acid is (A) Aminopterin (B) Dicoumarol (C) Sulphonamides (D) Thiopanic acid

Last Answer : Answer : C

Myeloma cells are lacking in (A) TMP synthetase (B) Formyl transferase (C) HGPRT (D) All of these

Description : Myeloma cells are lacking in (A) TMP synthetase (B) Formyl transferase (C) HGPRT (D) All of these

Last Answer : Answer : C

Aspartate transcarbamoylase is inhibited by (A) CTP (B) PRPP (C) ATP (D) TMP

Description : Aspartate transcarbamoylase is inhibited by (A) CTP (B) PRPP (C) ATP (D) TMP

Last Answer : Answer : A

Cytosolic carbamoyl phosphate synthetase is inhibited by (A) UTP (B) CTP (C) PRPP (D) TMP

Description : Cytosolic carbamoyl phosphate synthetase is inhibited by (A) UTP (B) CTP (C) PRPP (D) TMP

Last Answer : Answer : A

Phosphofructokinase key enzyme in glycolysis is inhibited by (A) Citrate and ATP (B) AMP (C) ADP (D) TMP

Description : Phosphofructokinase key enzyme in glycolysis is inhibited by (A) Citrate and ATP (B) AMP (C) ADP (D) TMP

Last Answer : Answer : A

The pyrimidine nucleotide acting as the high energy intermediate is (A) ATP (B) UTP (C) UDPG (D) CMP

Description : The pyrimidine nucleotide acting as the high energy intermediate is (A) ATP (B) UTP (C) UDPG (D) CMP

Last Answer : Answer : C

A pyrimidine nucleotide is (A) GMP (B) AMP (C) CMP (D) IMP

Description : A pyrimidine nucleotide is (A) GMP (B) AMP (C) CMP (D) IMP

Last Answer : Answer : C

What is the full form of CMP ?

Description : What is the full form of CMP ?

Last Answer : CMP full form Chittagong Metropolitan Police.

In an 8085 microprocessor, the instruction CMP B has been executed while the contentsof accumulator is less than that of register B. As a result carry flag and zero flag will berespectively (A) set, reset (B) reset, set (C) reset, reset (D) set, set

Description : In an 8085 microprocessor, the instruction CMP B has been executed while the contentsof accumulator is less than that of register B. As a result carry flag and zero flag will berespectively (A) set, reset (B) reset, set (C) reset, reset (D) set, set

Last Answer : (A) set, reset

What is the full form of CMP ?

Description : What is the full form of CMP ?

Last Answer : Common Minimum Programme

What is the result of cmp(3, 1)? a) 1 b) 0 c) True d) False

Description : What is the result of cmp(3, 1)? a) 1 b) 0 c) True d) False

Last Answer : Answer: a Explanation: cmp(x, y) returns 1 if x > y, 0 if x == y and -1 if x < y

Describe working of diff and cmp file handling commands with example.

Description : Describe working of diff and cmp file handling commands with example.

Last Answer : Diff command: diff stands for difference. This command is used to display the differences in the files by comparing the files line by line. it tells us which lines in one file have is to be changed to make the two files ... $ cat file1 abcd xyz $ cat file2 Abed wxy $_  

A cup of strong coffee would be expected to (A) Interfere with synthesis of prostaglandins (B) Decrease the effects of Glucagon (C) Enhance the effects of epinephrine (D) Provide the vitamin nicotinic acid

Description : A cup of strong coffee would be expected to (A) Interfere with synthesis of prostaglandins (B) Decrease the effects of Glucagon (C) Enhance the effects of epinephrine (D) Provide the vitamin nicotinic acid

Last Answer : Answer : C

A cup of strong coffee would be expected to (A) Interfere with the synthesis of prostaglandins (B) Decrease the effect of glucagon (C) Enhance the effect of epinephrine (D) Provide the vitamin nicotinic acid

Description : A cup of strong coffee would be expected to (A) Interfere with the synthesis of prostaglandins (B) Decrease the effect of glucagon (C) Enhance the effect of epinephrine (D) Provide the vitamin nicotinic acid

Last Answer : Answer : C

Hypolipidemic drugs reduce serum cholesterol and triacylglycerol. The effect of clofibrate is attributed to (A) Block in absorption from G.I.T. (B) Decrease in secretion of triacylglycerol and cholesterol containing VLDL by liver (C) Block in the reabsorption of bile acids (D) Decreased synthesis of cholesterol

Description : Hypolipidemic drugs reduce serum cholesterol and triacylglycerol. The effect of clofibrate is attributed to (A) Block in absorption from G.I.T. (B) Decrease in secretion of triacylglycerol and cholesterol ... by liver (C) Block in the reabsorption of bile acids (D) Decreased synthesis of cholesterol

Last Answer : Answer : B

Deficiency of biotin results in decrease in (A) Amino acid synthesis (B) Lipid synthesis (C) Kidney (D) Fatty acid synthesis

Description : Deficiency of biotin results in decrease in (A) Amino acid synthesis (B) Lipid synthesis (C) Kidney (D) Fatty acid synthesis

Last Answer : Answer : D

What causes the speed of light synthesis to decrease in the afternoon ?

Description : What causes the speed of light synthesis to decrease in the afternoon ?

Last Answer : The sun is the main source of energy required for photosynthesis . Sunlight is needed to control the photosynthesis of photosynthesis. As the amount of light increases up to a certain limit, ... amount of light decreases in the afternoon, the speed of salicylate synthesis decreases in the afternoon.

Factors that decrease collagen synthesis include all of the following except: A. Protein depletion. B. Infection. C. Anemia. D. Advanced age. E. Hypoxia.

Description : Factors that decrease collagen synthesis include all of the following except: A. Protein depletion. B. Infection. C. Anemia. D. Advanced age. E. Hypoxia.

Last Answer : Answer: C DISCUSSION: Collagen synthesis, an integral part of wound healing, is affected by many local and systemic factors. Protein depletion impairs fibroplasia. Hypoproteinemia leads to diminution of ... more than any other factor, wound infection is associated with the risk of wound failure

The biochemical mechanism of action of digitalis is associated with (a) A decrease in calcium uptake by the sarcoplasmic reticulum (b) An increase in ATP synthesis (c) A modification of the actin molecule (d) An increase in systolic intracellular calcium levels (e) A block of sodium/calcium exchange

Description : The biochemical mechanism of action of digitalis is associated with (a) A decrease in calcium uptake by the sarcoplasmic reticulum (b) An increase in ATP synthesis (c) A modification of the actin molecule (d) An increase in systolic intracellular calcium levels (e) A block of sodium/calcium exchange

Last Answer : Ans: D

In addition to their ability to decrease inflammatory prostaglandin synthesis, some non-steroidal anti-inflammatory drugs (NSAIDs) may owe part of their effects to their ability to (a) Inhibit leukocyte migration (b) Inhibit leukotriene synthesis (c) Stabilize lysosmal membranes (d) All of the above (e) None of the above

Description : In addition to their ability to decrease inflammatory prostaglandin synthesis, some non-steroidal anti-inflammatory drugs (NSAIDs) may owe part of their effects to their ability to (a) Inhibit leukocyte migration (b ... (c) Stabilize lysosmal membranes (d) All of the above (e) None of the above

Last Answer : Ans: D

The effects of glucocorticoid hormones include: a. increase hepatic glycogen synthesis b. decrease glucose uptake by the adipose tissue c. decrease hepatic gluconeogesis d. increase protein synthesis in the skeletal muscles

Description : The effects of glucocorticoid hormones include: a. increase hepatic glycogen synthesis b. decrease glucose uptake by the adipose tissue c. decrease hepatic gluconeogesis d. increase protein synthesis in the skeletal muscles

Last Answer : . increase hepatic glycogen synthesis

What will be the effect on phytochrome in a plant subjected to continuous red light? (a) Phytochrome synthesis will increase (b) Level of phytochrome will decrease (c) Phytochrome will be destroyed (d) First (b) then (a)

Description : What will be the effect on phytochrome in a plant subjected to continuous red light? (a) Phytochrome synthesis will increase (b) Level of phytochrome will decrease (c) Phytochrome will be destroyed (d) First (b) then (a)

Last Answer : (d) First (b) then (a)

Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield? (a) Application of iron and magnesium to promote synthesis of chlorophyll (b) Frequent irrigation of the crop (c) Treatment of the plants with cytokinins along with a small dose of nitrogenous fertilizer (d) Removal of all yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid

Description : Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum ... yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid

Last Answer : (a) Application of iron and magnesium to promote synthesis of chlorophyll

In ammonia synthesis (N2 + 3H2 = 2NH3 ), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should becarried out at(A) Low pressure(B) High pressure(C) Very high temperature(D) Atmospheric pressure; as the pressure has no effect on conversion

Description : In ammonia synthesis (N2 + 3H2 = 2NH3 ), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should becarried out at (A) Low pressure (B) High pressure (C) Very high temperature (D) Atmospheric pressure; as the pressure has no effect on conversion

Last Answer : (B) High pressure

Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oncogenes

Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oncogenes

Last Answer : Answer : C

The mechanism of synthesis of DNA and RNA are similar to all the following ways except (A) They involve release of pyrophosphate from each nucleotide added (B) They require activated nucleotide precursor and Mg2+ (C) The direction of synthesis is (D) They require a primer

Description : The mechanism of synthesis of DNA and RNA are similar to all the following ways except (A) They involve release of pyrophosphate from each nucleotide added (B) They require activated nucleotide precursor and Mg2+ (C) The direction of synthesis is (D) They require a primer

Last Answer : Answer : D

The ‘rho’ (ρ) factor is involved (A) To increase the rate of RNA synthesis (B) In binding catabolite repressor to the promoter region (C) In proper termination of transcription (D) To allow proper initiation of transcriptide

Description : The ‘rho’ (ρ) factor is involved (A) To increase the rate of RNA synthesis (B) In binding catabolite repressor to the promoter region (C) In proper termination of transcription (D) To allow proper initiation of transcriptide

Last Answer : Answer : C

How many high-energy phosphate bond equivalents are required for amino acid activation in protein synthesis? (A) One (B) Two (C) Three (D) Four

Description : How many high-energy phosphate bond equivalents are required for amino acid activation in protein synthesis? (A) One (B) Two (C) Three (D) Four

Last Answer : Answer : B

Amanitin the mushroom poison inhibits (A) Glycoprotein synthesis (B) ATP synthesis (C) DNA synthesis (D) mRNA synthesis

Description : Amanitin the mushroom poison inhibits (A) Glycoprotein synthesis (B) ATP synthesis (C) DNA synthesis (D) mRNA synthesis

Last Answer : Answer : D

In E. coli the chain initiating amino acid in protein synthesis is (A) N-formyl methionine(B) Methionine (C) Serine (D) Cysteine

Description : In E. coli the chain initiating amino acid in protein synthesis is (A) N-formyl methionine(B) Methionine (C) Serine (D) Cysteine

Last Answer : Answer : A