Molecular Biology Quiz 52 (20 MCQs)

Quiz Instructions

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1. .....cell-surface receptors with intracellular domains that have intrinsic enzymatic activity.

Correct Answer: A) Receptor Tyrosine Kinases (RTKs).

2. What are the products of cellular respiration?

Correct Answer: D) Carbon Dioxide and Water.

3. Which of the following is a "sometimes" food?

Correct Answer: D) Doughnut.

4. Which of these is NOT part of a nucleotide?

Correct Answer: C) Glucose.

5. Which of the following terms is most closely associated with a tRNA molecule?

Correct Answer: B) Anticodon.

6. Which of the following best describes the function of DNA?

Correct Answer: B) DNA codes for the amino acid sequences of the body's proteins. Proteins determine the traits of an organism.

7. What is the product of translation?

Correct Answer: D) Proteins.

8. DNA consists of two antiparallel strands of nucleotide chains held together by

Correct Answer: C) Hydrogen bonds.

9. Name the interaction between amino acid in protein synthesis

Correct Answer: A) Peptide bond.

10. Which statement regarding viruses is true?

Correct Answer: A) A virus can only reproduce inside of a living cell.

11. An example of a hydrophobic molecule is

Correct Answer: A) Oil.

12. On the leading strand, DNA is:

Correct Answer: B) Copied continuously.

13. This process produces cells with only 1/2 of the chromosomes as body cells.

Correct Answer: B) Meiosis.

14. Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?

Correct Answer: B) ATP is being rapidly consumed near the cellular membrane.

15. What is the process of making an RNA copy of a gene?

Correct Answer: B) Transcription.

16. Which of the following carries amino acids to the site of protein synthesis?

Correct Answer: C) TRNA.

17. The central dogma of molecular biology can be summed up by

Correct Answer: B) DNA to RNA to Protein.

18. Which molecules are an essential component for energy production in animal cells?

Correct Answer: A) Carbohydrates.

19. Which are most closely related to biotechnology?

Correct Answer: A) Medicine and agriculture.

20. What is the flow of genetic information in cells from DNA to protein? (Central Dogma)

Correct Answer: B) DNA to RNA to protein.