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Mars2501 [29]
3 years ago
9

Which of the following is A true statement about heat transfer through conduction convection or radiation?

Biology
1 answer:
Mariana [72]3 years ago
3 0

Answer:

It is A

Explanation:

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The skin is richly supplied with arteriovenous anastomoses in which blood flows directly between an artery and a vein, bypassing
yaroslaw [1]

Answer: Temperature control

Explanation:

Arterio-venous anastomoses (AVAs) are direct connections between small arteries and small veins. In humans they are numerous in the glabrous skin of the hands and feet.

They are very significant in body temperature control. These temperature control are under the dual control of the central nervous system and the local thermal influence. While the arteriovenous anastomoses control the skin temperature through volume changes in the superficial venous bed, the arterioles and capillaries operate by generalized dilatation which results both in increased temperature and in redness of the skin.

7 0
3 years ago
The lifetime of an intracellular signaling molecule must be short for the cell to be able to cause a change in the concentration
ivann1987 [24]

Answer:

Statement B is false.

Explanation:

PKA and PKG is both have binding domains to attach with nucleoside monophosphate and help in modulating these enzymes that explains that PKA is more related to the PKG than PKC at the level of amino acid.

At the level of  polypeptide chain level PKG has single polypeptide chain whereas in PKA modulatory domains are located on different poly peptide chain. Both are activated by the nucluoside triphosphate, more precisely PKA by cAMP and PKG is by cGMP respectively, whereas PKC is activated by DAG or Ca or both depending on the isofom.

Thus, the correct answer is - option B.

4 0
3 years ago
6. What is the name of the mutation in which a base is added to the<br> genetic sequence?<br> shift
Oxana [17]

Answer: frameshift mutation

Explanation: A frameshift mutation is a particular type of mutation that involves either insertion or deletion of extra bases of DNA. Now, what's important here is the number three. The number of bases that are either added or subtracted can't be divisible by three.

4 0
3 years ago
Answer Explore It! #1 through #4 <br> Pls help me with this because I’m confused.
marta [7]

Answer:

<u>Explore It #1</u>

1) There are <u>12 consumers</u> in this food web.

2) This food web had <u>2 producers</u>.

<u>Explore It #2</u>

1) The Greenfly eats the berries. The berries are eaten by a grasshopper.

2) The snake eats the frog. The frog eats the grasshopper.

<u>Explore It #3</u>

1) The Frog eats a dragonfly.

   The Snake eats the frog.

   The Ladybug eats the greenfly.

<u>Explore It #4</u>

1) A snake eats a lizard. The Owl eats a lizard.

2) A shark eats a tuna. The Blue whale eats a group of krill.

<u>Give Brainliest if you please</u>

4 0
3 years ago
Read 2 more answers
The CJ bacteria in the chickens at Monita Farms have a high frequency of the allele that causes FQ resistance. If genetic drift
vova2212 [387]

Answer:

Yes

Explanation:

If the farm CJ bacteria were created by bacteria from another farm, then you would find the allele on both farms.

4 0
3 years ago
Read 2 more answers
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