Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Question
Chapter 19, Problem 4CYU
Summary Introduction
To review:
The meaning of “lymphoid follicle,” and thetype of lymphocyte present in the follicles, especially in their germinal centers.
Introduction:
The lymphatic system sends the fluids coming out of the vascular system back into the blood circulation. The lymphatic system is divided into lymphatic vessels, lymph, and lymph nodes. The organs and tissues of the lymphatic system play an essential role in the defense mechanism and form the immune system of the body.
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Transcription and Translation
1. What is the main function of transcription and translation? (2
marks)
2. How is transcription different in eukaryotic and prokaryotic
cells? (2 marks)
3. Explain the difference between pre-mRNA and post-transcript
mRNA. (2 marks)
4. What is the function of the following: (4 marks)
i. the cap
ii. spliceosome
iii. Poly A tail
iv. termination sequence
5. What are advantages to the wobble feature of the genetic
code? (2 marks)
6. Explain the difference between the: (3 marks)
i. A site & P site
ii. codon & anticodon
iii. gene expression and gene regulation
7. Explain how the stop codon allows for termination. (1 mark)
8. In your own words, summarize the process of translation. (2
marks)
In this activity you will research performance enhancers that affect the
endocrine system or nervous system. You will submit a 1 page paper on one
performance enhancer of your choice. Be sure to include:
the specific reason for use
the alleged results on improving performance
how it works
how it affect homeostasis and improves performance
any side-effects of this substance
Chapter 19 Solutions
Anatomy & Physiology
Ch. 19 - What is lymph? Where does it come from?Ch. 19 - Name two lymphatic ducts and indicate the body...Ch. 19 - What is the driving force for lymph movement?Ch. 19 - Prob. 4CYUCh. 19 - What is the benefit of having fewer efferent than...Ch. 19 - Prob. 6CYUCh. 19 - List several functions of the spleenCh. 19 - Lymphatic vessels (a) serve as sites for immune...Ch. 19 - Prob. 2RQCh. 19 - Entry of lymph into the lymphatic capillaries is...
Ch. 19 - The structural framework of lymphoid organs is (a)...Ch. 19 - Lymph nodes are densely clustered in all of the...Ch. 19 - The germinal centers in lymph nodes are largely...Ch. 19 - Prob. 7RQCh. 19 - The lymphoid organ that functions primarily during...Ch. 19 - Collections of lymphoid tissue (MALT) that guard...Ch. 19 - Prob. 10RQCh. 19 - Prob. 11RQCh. 19 - (a) Which anatomical characteristics ensures that...Ch. 19 - There are no lymphatic arteries. Why isnt this a...Ch. 19 - Prob. 1CCSCh. 19 - Prob. 2CCSCh. 19 - Prob. 3CCSCh. 19 - Prob. 4CCS
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