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- Question
Glycolysis reactions take place in
Options- A. cytoplasm
- B. cell membrane
- C. cell wall
- D. plasmids
- Correct Answer
- cytoplasm
- 1. The 5' and 3' numbers are related to the
Options- A. length of the DNA strand
- B. carbon number in sugar
- C. the number of phosphates
- D. the base pair rule Discuss
- 2. Exocytosis is the secretion of proteins
Options- A. out of the cell across the plasma membrane into the extracellular space
- B. out of the cell across the plasma membrane into the intracellular space
- C. is the uptake of macromolecules from the extracellular space into the cell across the plasma membrane
- D. is the uptake of macromolecules from the intracellular space into the cell across the plasma membrane Discuss
- 3. Which trace mineral is a component of the enzyme that activates vitamin A in the eye?
Options- A. Zinc
- B. Iron
- C. Iodine
- D. Chromium Discuss
- 4. The closed complex at bacterial promoters is
Options- A. in equilibrium with free RNA polymerase and the promoter
- B. not affected by promoter mutations
- C. bound more tightly when repressors are present
- D. not affected by activator proteins Discuss
- 5. In DNA, there are
Options- A. five bases known as adenine, guanine, thymine, tryptophan and cytosine
- B. four bases known as adenine, guanine, thymine and cytosine
- C. three bases known as adenine, guanine and cytosine
- D. only two bases known as adenine and cytosine Discuss
- 6. Protein synthesis rates in prokaryotes are limited by the rate of mRNA synthesis. If RNA synthesis occurs at the rate of 50 nucleotides/sec, then rate of protein synthesis occurs at
Options- A. 10 amino acids/sec
- B. 17 amino acids/sec
- C. 25 amino acids/sec
- D. 50 amino acids/sec Discuss
- 7. In a polypeptide average mass of an amino acid residue is
Options- A. 110 daltons
- B. 118 daltons
- C. 80 daltons
- D. 150 daltons Discuss
- 8. When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?
Options- A. Phosphate
- B. Cytosine
- C. Uracil
- D. Guanine Discuss
- 9. In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as
Options- A. mutational
- B. semiconservative
- C. discontinuous
- D. antiparallel Discuss
- 10. Which of the following enzymes plays an important role in the Cori " cycle?
Options- A. Glucokinase
- B. Glucose-6-phosphate dehydrogenase
- C. Lactate dehydrogenase
- D. Glucose isomerase Discuss
More questions
Correct Answer: carbon number in sugar
Correct Answer: out of the cell across the plasma membrane into the extracellular space
Correct Answer: Zinc
Correct Answer: in equilibrium with free RNA polymerase and the promoter
Correct Answer: four bases known as adenine, guanine, thymine and cytosine
Correct Answer: 17 amino acids/sec
Correct Answer: 110 daltons
Correct Answer: Cytosine
Correct Answer: semiconservative
Correct Answer: Lactate dehydrogenase
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