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ValentinkaMS [17]
3 years ago
10

20. Does facilitated diffusion require energy for the cell?

Biology
1 answer:
Vera_Pavlovna [14]3 years ago
6 0

Answer: no

Explanation: The solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. This process is called passive transport or facilitated diffusion, and does not require energy.

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Nematodes and arthropods both .
Andrej [43]

The correct option is (C) Grow in conjunction with shedding of their exoskeleton.

The number of species in the superphylum Ecdysozoa is staggering. This is due to the presence of two of the most varied animal phyla, the Phylum Nematoda (which includes roundworms) and the Phylum Arthropoda (the arthropods).

<h3>What do nematodes and arthropods have in common?</h3>
  • The tough external covering of Ecdysozoans, known as the cuticle, is their most obvious identifying characteristic. These animals are shielded from predators, water loss, and other elements of their environment by the cuticle, which also acts as a robust yet flexible exoskeleton.
  • Every member of this superphylum undergoes periodic molting, or cuticle shedding, as they develop. They produce a fresh cuticle after molting that will protect them until their subsequent growth phase.
  • The process of molting and cuticle replacement, known as ecdysis, is how the superphylum earned its name.

Learn more about the Phylum Arthropoda with the help of the given link:

brainly.com/question/14184371

#SPJ4

6 0
1 year ago
Why do enzymes act upon energy of activation
riadik2000 [5.3K]

In the presence of an enzyme, the Activation energy is lowered. thus the reactions reaches the activation energy and the reaction is initiated faster and therefore completes faster than the reactions without enzymes. Enzymes lower activation energy, which allows a reaction to occur at a faster rate.

Hope this helps you!!!

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6 0
3 years ago
A man with blood type B and a woman with blood type O produce an offspring.
iren [92.7K]
Go to biology.arizona.edu They have a ton of stuff on blood types. I don’t know if this will help because I’m not in biology yet but I’ve been there and it helped a lot with some stuff. Hopefully that didn’t sound to vague. Have a wonderful day.
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Total lunar eclipses last for?
vlada-n [284]

<em>The Jan. 21</em> total lunar eclipse will be the last one until May 2021, and the last one visible from the United States until 2022; the most recent total lunar eclipse previous to this one appeared in July 2018.

4 0
3 years ago
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In lizards, the gene for color and the gene for pattern are located on the same chromosome and exhibit recombination. The lined
Molodets [167]

Answer:

The all possible gametic haplotypes that can be made are described below.

Explanation:

According to the question, F1 progeny was produced by crossing a homozygous dominant parent with a homozygous recessive parent. As per the question, cross is to be made with a heterozygous parent, which will have solid unpatterned allele and blue colour with a homozygous recessive i.e lined, aqua lizard.

The possible haploid gametes for the heterozygous parent would be BL, bl, Bl, bL and for homozygous parent would be all bl.

7 0
3 years ago
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