Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart2h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

16. The Endocrine System

Membrane Bound Receptors and Secondary Messengers

Anatomy & Physiology

16. The Endocrine System

Membrane Bound Receptors and Secondary Messengers

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Multiple Choice

The transcription of new messenger RNA is a function of __________.

pancreatic hormones

steroid hormones

catecholamines

posterior pituitary hormones

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Verified step by step guidance

Understand the role of transcription in the cell: Transcription is the process by which the information in a gene's DNA is transferred to messenger RNA (mRNA). This mRNA then carries the genetic information needed for protein synthesis.

Identify the types of hormones involved in transcription regulation: Hormones can influence the transcription of genes by interacting with specific receptors that can bind to DNA and affect gene expression.

Focus on steroid hormones: Steroid hormones are lipid-soluble molecules that can pass through the cell membrane and bind to intracellular receptors. These hormone-receptor complexes can directly interact with DNA to regulate the transcription of specific genes.

Differentiate between the types of hormones: Pancreatic hormones (like insulin), catecholamines (like adrenaline), and posterior pituitary hormones (like oxytocin) generally do not directly regulate transcription by binding to DNA. Instead, they often work through secondary messenger systems.

Conclude that steroid hormones are the correct answer: Given their ability to directly influence gene transcription by binding to DNA, steroid hormones are the correct choice for the function of regulating the transcription of new messenger RNA.