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Gelneren [198K]
3 years ago
8

Which of the letters above best models a molecule of water moving into the membrane via an aquaporin?​

Biology
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

Letter B.

Explanation:

Aquaporins, also known as "water channels," are the main transport of water through the membranes of plant, animal, and bacterial cells. These channels allow the water to travel into and within cells and, at the same time, exclude the passage of ions and solutes.

What makes letter B the correct answer, is the form of transport and shape of the channel that allow water according to the osmotic gradient. In this model, letter A shows simple diffusion, while C and D seem to illustrate gated channels.

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DNA replication results in two DNA molecules, _________________________. Thus replication is _________________________.
kvasek [131]

Answer:

consisting of one new and one old chain of nucleotides.

is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.

5 0
3 years ago
In pea plants, yellow seed color is dominated and green seed color is recessive. what will the generations look lik
Luba_88 [7]

To solve this you will have to do a punnett square.

Since the yellow seed is dominate let that represent: A.

For the green seed color that is recessive let that represent: a.

The punnett square would look like this:

              a          a

   A      Aa        Aa

   a      aa         aa

This shows that there is a 50% chance for each.

50% for green seeds (recessive)

50% for yellow seeds (dominate)

Hope this helps! :3

6 0
3 years ago
The protective layer of cells of the outer epidermis is called the
Vlad [161]

Answer: Stratum Corneum

Epidermis. The epidermis is the thin outer layer of the skin. It consists of 3 types of cells: Squamous cells. The outermost layer is continuously shed is called the stratum corneum

Explanation:

stratum corneum

The epidermis has no blood supply and depends on diffusion from the dermal cells for its metabolic needs. The dead-cell layer of the stratum corneum provides the protection from water loss that allows vertebrates to dwell on land

8 0
3 years ago
What is the difference between physical properties and chemical properties of matter?
Amiraneli [1.4K]
The answer is d. :) you got this!
5 0
3 years ago
The phase in the cell cycle when genetic material replicates is called
lora16 [44]
S phase of interphase
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3 years ago
Read 2 more answers
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