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s344n2d4d5 [400]
2 years ago
12

Α-adrenergic receptors have a higher affinity for norepinephrine than for epinephrine. Β-adrenergic receptors have a higher affi

nity for epinephrine than for norepinephrine. Which concept about receptor function do these statements reflect?
Biology
1 answer:
Molodets [167]2 years ago
6 0

Answer:

Receptors are highly specific and only have high affinity for those ligands for whom they are specific.

Explanation:

Receptors are proteins that receive a stimulus or bind a ligand and mediate effects via receptor effector system.

Receptors are macromolecules that are highly specific.

The affinity between the ligand and the receptors is determind by the disassociation constant Kd.

The receptors produce maximun effect when an appropriate specific stimulus is present.

Different recptors types are present for different ligands.

For example, muscrinic receptors are specific for acetycholine and adrenergic receptors are specific for adrenaline/nor adrenaline.

It is important to know the specificity so that the body remains in a state of balance.

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True or False:
Rama09 [41]
True because it has biotic factors
5 0
3 years ago
Read 2 more answers
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bija089 [108]

Answer:

B

Explanation:

Amino acids fold to form the protein and give it its functionality. Different orders of amino acids fold differently and make a different shape. The shape of the protein defines its function. The function will vary wildly

4 0
2 years ago
What single feature is primarily responsible for the variation of climate throughout different times of the year?
konstantin123 [22]

The Sun is the basic source of energy for the Earth which affect the growth of all living things and the Sun also affect the all the biochemical processes. We know that the amount of radiation from the Sun changes day by day due to the distance of the Earth from the Sun. The rate of Solar energy affects the Earth in two ways.

The rate of solar heating which directly affects the processes like the evaporation and condensation and indirectly it affects the cloud forming processes of the Earth. The rate at which the solar energy reaches the Earth is called as the Total Solar Irradiance or TSI. This affects the climate of the Earth in many ways.

The change in rate of cloud formation increases of decreases with the distance of the Sun from Earth and hence a warm, moderate or cold climate is formed

It also affects the formation of winds due to the low or high pressure in the water bodies and hence affect the climate in the coastal areas.

The tropical areas have hot and humid climate due to the equator which has maximum exposure to the Sun’s heat.

Hence, the Sun is one primary feature that affects the climate in the Earth.


7 0
2 years ago
You splice DNA fragments from a "foreign" source into the patient's gene so that the gene will begin manufacturing the enzyme. T
Arada [10]

Answer:

recombinant DNA

Explanation:

In molecular biology, recombinant DNA molecules are genetic sequences formed by combining DNA material from different sources (i.e., organisms, populations, species, etc). Proteins produced from DNA recombinant molecules are known as recombinant proteins. Molecular cloning is the most widely used technique in molecular biology in order to produce recombinant DNA molecules. In this technique, a cloning vector such as, for example, a plasmid of a bacterium, is used to insert a foreign DNA fragment into another cell which is then expressed in the host cell.

3 0
2 years ago
3.
vladimir2022 [97]

Answer:

The answer would be D

I hope this helps! ^-^

8 0
1 year ago
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