QUESTION 1 Cortisol, a steroid, is under strong circadian control, whereby it is secreted into the bloodstream at approximately 8:00 AM every day. Almost every cell in the body has receptors for cortisol, and its diverse actions include homeostatic maintenance of blood pressure, the immune system, metabolism of proteins,'carbohydrates, and fats, water balance, and immune system regulation. Cortisol's signaling mode here is: O paracrine O juxtacrine O autocrine O endocrine
QUESTION 1 Cortisol, a steroid, is under strong circadian control, whereby it is secreted into the bloodstream at approximately 8:00 AM every day. Almost every cell in the body has receptors for cortisol, and its diverse actions include homeostatic maintenance of blood pressure, the immune system, metabolism of proteins,'carbohydrates, and fats, water balance, and immune system regulation. Cortisol's signaling mode here is: O paracrine O juxtacrine O autocrine O endocrine
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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![QUESTION 1
Cortisol, a steroid, is under strong circadian control, whereby it is secreted into the bloodstream at approximately 8:00 AM every day. Almost every cell in the body has
receptors for cortisol, and its diverse actions include homeostatic maintenance of blood pressure, the immune system, metabolism of proteins, carbohydrates, and fats,
water balance, and immune system regulation. Cortisol's signaling mode here is:
paracrine
O juxtacrine
O autocrine
endocrine
QUESTION 2
During glycolysis Glucose-6-phosphate (G6P) is converted to Fructose-6-phosphate (F6P) as shown below. If the standard equilibrium concentrations are: [G6P] = 1.63
M, and [F6P] = 0.37 M, then Keg' for this reaction is
and the reaction is
Glucose-6-P O Fructose-6-P
O> 1; exergonic
O > 1; endergonic
O < 1; exergonic
2<1; endergonic
QUESTION 3
Match each of the following to its role in the cell.
v Microtubules
A. Motor protein responsible for retrograde transport of endosomes from the plasma
membrane to the interior of cells.
v Actin
B. Cytoskeletal fiber that is intermediate in diameter and very sturdy. Does not form from
polymerization of protein monomers like the other ones we discussed in class, but
v Tubulin
ntermedinte fla nte
P Type here to search
1O
Co](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F01604a07-1abb-47f3-85be-4093016fdea3%2F4c5284fc-6629-44b1-b6f0-bc71763965c4%2Ff930npp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION 1
Cortisol, a steroid, is under strong circadian control, whereby it is secreted into the bloodstream at approximately 8:00 AM every day. Almost every cell in the body has
receptors for cortisol, and its diverse actions include homeostatic maintenance of blood pressure, the immune system, metabolism of proteins, carbohydrates, and fats,
water balance, and immune system regulation. Cortisol's signaling mode here is:
paracrine
O juxtacrine
O autocrine
endocrine
QUESTION 2
During glycolysis Glucose-6-phosphate (G6P) is converted to Fructose-6-phosphate (F6P) as shown below. If the standard equilibrium concentrations are: [G6P] = 1.63
M, and [F6P] = 0.37 M, then Keg' for this reaction is
and the reaction is
Glucose-6-P O Fructose-6-P
O> 1; exergonic
O > 1; endergonic
O < 1; exergonic
2<1; endergonic
QUESTION 3
Match each of the following to its role in the cell.
v Microtubules
A. Motor protein responsible for retrograde transport of endosomes from the plasma
membrane to the interior of cells.
v Actin
B. Cytoskeletal fiber that is intermediate in diameter and very sturdy. Does not form from
polymerization of protein monomers like the other ones we discussed in class, but
v Tubulin
ntermedinte fla nte
P Type here to search
1O
Co
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