(a) With reference to the information given in the table, estimate the length of the cow's menstrual cycle. Give a reason for your answer. (b) At day 0 the LH levels are high. Explain ho' this caused an increase in the levels of progesterone in the days that followed." (c) How does the level of progesterone in the blood differ if the cow is pregnant? Give an explanation for this difference. (d) Suggest how the data in the table was obtained. (e) Given the data in the table, what advice would you give to the farmer with respect to the best time for his cow to mate to produce a calf. Why did you make the deduction?
(a) With reference to the information given in the table, estimate the length of the cow's menstrual cycle. Give a reason for your answer. (b) At day 0 the LH levels are high. Explain ho' this caused an increase in the levels of progesterone in the days that followed." (c) How does the level of progesterone in the blood differ if the cow is pregnant? Give an explanation for this difference. (d) Suggest how the data in the table was obtained. (e) Given the data in the table, what advice would you give to the farmer with respect to the best time for his cow to mate to produce a calf. Why did you make the deduction?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Table below shows the concentration of some of the sex hormones in the blood of a cow
(mammal) over a period of 24 days.
Time/days
Concentration of hormone in the blood/arbitrary units
progesterone
oestrogen
LH
1
14
32
8.
1
4
4.
7
1
6.
10
1
8
14
1
10
18
7
1
12
19
7
1
14
19
7
1
1
16
18
18
8
18
1
20
14
32
1
8.
32
22
1
24
8.
1.
Transcribed Image Text:(a) With reference to the information given in the table, estimate the length of the cow's
menstrual cycle. Give a reason for your answer.
(b) At day 0 the LH levels are high. Explain ho this caused an increase in the levels of
progesterone in the days that followed. "
(C) How does the level of progesterone in the blood differ if the cow is pregnant? Give an
explanation for this difference.
(d) Suggest how the data in the table was obtained.
(e) Given the data in the table, what advice would you give to the farmer with respect to the best
time for his cow to mate to produce a calf. Why did you make the deduction?
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