Homework Answers
1.Ans-Option C NUCLEAR RECEPTORS
EXPLANATION :- The receptors of steriod hormone are members of ligand activated NUCLEAR RECEPTOR superfamily.These receptors bimd to the specific consensus DNA sequences called hormone responce elements and exert control of gene expresion either in stimulatory or inhibitory manner.
2.Ans-Option C ONE THAT INVOLVES CHANGE IN GENE EXPRESSION
EXPLANATION:-Cell responses that include molecular events like the relese of vesicles and firing potentials are rapid. Cell responses that require changes to gene expression take time because the gene must be transcribed and translated before the effect is observed.
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Which type of receptors do steroid hormones generally employ? O G-protein coupled receptors O enzyme-coupled receptors...
Need help on these questions ? 1.) Steroid hormones trigger transcription of target genes by... ...
Need help on these questions ? 1.) Steroid hormones trigger transcription of target genes by... a. activating the release of Ca+2 ions that bind to and activate transcription factors. b. activating a kinase cascade that results in the activation of a transcription factor for a set of genes. c. binding directly to DNA and stimulating transcription. d. binding to nuclear receptors that act as transcription factors for specific genes. 2.) Which type of cell-surface receptor(s), when...
INFORMATION ABOUT IMAGE G FOR QUESTIONS 12-15: GABAB receptors (GABABRs) are G-protein-coupled receptors that can be...
INFORMATION ABOUT IMAGE G FOR QUESTIONS 12-15:
GABAB receptors (GABABRs) are
G-protein-coupled receptors that can be found on both pre- and
postsynaptic neurons. When they are activated by GABA, they can
have a range of effects. For the synapse you are studying in the
following questions, the effects of GABABRs are
indicated in IMAGE G.
You are doing a series of experiments in which you are recording
from the pre- and postsynaptic cell at a synapse. The experiments
described below...
32. Study the signaling pathway illustrated below, which involves two different receptors. Assume that a protein...
32. Study the signaling pathway illustrated below, which involves two different receptors. Assume that a protein is active only when it is activated, but not inhibited, by its upstream signaling molecules. Activation and inhibition are indicated by normal and blunt arrows, respectively. Assume that the transcription regulator can be activated by either the binding protein or the kinase that are immediately upstream of the transcription factor. Under which of the following conditions will the expression of target:gene "X" be induced?...
1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
INFORMATION ABOUT IMAGE G FOR QUESTIONS 12-15:
GABAB receptors (GABABRs) are
G-protein-coupled receptors that can be found on both pre- and
postsynaptic neurons. When they are activated by GABA, they can
have a range of effects. For the synapse you are studying in the
following questions, the effects of GABABRs are
indicated in IMAGE G.
You are doing a series of experiments in which you are recording
from the pre- and postsynaptic cell at a synapse. The experiments
described below...
32. Study the signaling pathway illustrated below, which involves two different receptors. Assume that a protein is active only when it is activated, but not inhibited, by its upstream signaling molecules. Activation and inhibition are indicated by normal and blunt arrows, respectively. Assume that the transcription regulator can be activated by either the binding protein or the kinase that are immediately upstream of the transcription factor. Under which of the following conditions will the expression of target:gene "X" be induced?...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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