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Mitosis: Help & Review Final Exam

Free Practice Test Instructions:

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

Question 1 1. Which is the final step in cell signaling?

Question 2 2. How do large proteins enter the nucleus?

Question 3 3. What is the fundamental unit of life?

Question 4 4. Why are second messengers named as such?

Question 5 5. Dopamine is used to increase the strength and rate of contraction of the heart`s cells. This drug is a ligand that binds beta-adrenergic receptors in the cell. What action would a drug have that blocks the union of dopamine and the beta-adrenergic receptors?

Question 6 6. The Fluid Mosaic Model describes parts of the cell membrane such as proteins and phospholipids as _____.

Question 7 7. Microfilaments are composed of

Question 8 8. All of the following statements are true, EXCEPT:

Question 9 9. Which of the following helps maintain the shape of the nucleus?

Question 10 10. How do we know that cell signaling is an ancient process?

Question 11 11.

Loss of one of the telomeres of a chromosome could result in which of the following?

I. Chromosome shortening

II. Loss of genomic information

III. An increase in chromosome number

Question 12 12. What is the correct order in which cell signaling occurs?

Question 13 13. Where is the starting point of ribosome synthesis?

Question 14 14.

Which of the following roles in the cell could non-coding DNA perform?

I. Provide structural support at the end of chromosomes.

II. Encode a protein that will play a significant role in cell division.

III. Serve functional purposes.

Question 15 15. Specifically, what does a signaling molecule bind to in order to start transduction?

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Mitosis: Help & Review Final Free Practice Test Instructions

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

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