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Sloan [31]
3 years ago
15

Explain what happens during the three phases of signal transduction.

Biology
1 answer:
Morgarella [4.7K]3 years ago
8 0
The three phases of signal transduction is (1) reception, (2) transduction, and (3) response. Reception involves the binding of a ligand, may it be a hormone or a neurotransmitter; to a receptor, may it be a membrane receptor, cytosolic receptor, or a nuclear receptor. After binding of the ligand to the receptor, there will be signal transduction of events that will ultimately form a response. For instance, insulin actin on the insulin receptor will trigger a series of events that will increase the transcription of the gene translating for glucose transporters and ultimately, increase the number of glucose transporters embedded in the cell membrane leading to increased glucose uptake in tissues.
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In which one of the following points does the induced fit model of enzyme action differ from the lock and key model? *
ss7ja [257]

Answer:

The correct option is the last option

Explanation:

Firstly, one must understand that the first three options are generally properties of an enzyme and how an enzyme-substrate (ES) complex is formed during a reaction.

Enzymes bind to substrate in two major ways based on the shape of the active site of the enzyme; the lock and key model and the induced fit. The lock and key model is a model in which the active site ordinarily has the shape that can "accommodate"/bind to the substrate directly without any need for any change in the shape of the neither the active site nor the substrate during the process of formation of the enzyme-substrate complex. The induced-fit model is the model <u>in which the active site of the enzyme and/or the substrate undergoes a change in shape as both of them draw close to each other because they ordinarily cannot fit/bind together; the shape of the active site and the substrate are not complementary</u>.

NOTE: The active site is the part of the enzyme in which the substrate binds to.

3 0
3 years ago
Explain why Neil Shubin thinks Tiktaalik says something about our own bodies? (in other words – why the Inner Fish title for the
Sophie [7]

Answer:

Neil Shubin bases his argument that the anatomy of Tiktaalik is relevant to that of humans by discussing specific features of the anatomy of Tiktaalik that vary from typical fish anatomy and correspond to features of the human body. For example, he points out that Tiktaalik has a neck that is able to bend independently of the rest of the body, unlike fish, and like all terrestrial vertebrates, including humans. Therefore, the evolutionary history of humans can be traced to an organism similar to Tiktaalik, resulting in the concept of the "inner fish."

Explanation:

6 0
2 years ago
A student drew the following flowchart to show the movement of nutrients.
Lera25 [3.4K]
We need to see the flowchart to be able to answer the question
6 0
3 years ago
Read 2 more answers
In photosynthesis what are the starting products
Sedbober [7]
<span>The picture explains everything, but in more simpler terms. The plant uses sunlight and chemicals inside itself to create food. In this case it is glucose.</span>

5 0
3 years ago
The best ph for amylase to work in my investigation was ph____
Leno4ka [110]

Answer:

4

Explanation:

Because the mean time taken to turn from blue/black to orange/brown (in minutes) was the shortest, showing that the rate of reaction was the highest.

4 0
3 years ago
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