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Len [333]
3 years ago
15

Why are lipids unique when compared to the other macromolecule groups?

Biology
1 answer:
Veronika [31]3 years ago
6 0
Lipids are unique because, they are made from one carbon skeleton unlike the other macro molecules groups which are made from smaller building blocks.
With the exception of steroid hormones, lipids are generally hydrophobic. Also lipids are relative small molecules when compare in size with other macromolecules.
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Discuss why prokaryotic cells probably appeared before eukaryotic cells​
dsp73

Answer:

Prokaryotes are smaller and less developed compared to eukaryotes. Some of them inhabit very primitive environments that resemble earth’s early stages. Endosymbiotic theory states that eukaryotes arose by the endosymbiosis of prokaryotes.

Explanation

By endosymbiont theory, eukaryotic cells arise from prokaryotic cells. Here, the theory shows that eukaryotic ancestors lived in close association with prokaryotes, wherein in some cases, prokaryotes have been engulfed and might have lived inside eukaryotes.

Upon being engulfed by a host cell as undigested prey, these prokaryotes could have been internal parasites of the eukaryotes. But, later on, their relationship becomes mutualistic and these prokaryotes become incorporated as organelles, such as in the case of chloroplasts and mitochondria, which were previously separate prokaryotes

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6 0
2 years ago
Can someone help me with facts about rainforests? I have to do a project and I'm stumped.
jeka57 [31]
Rainforest cover only 2 % of the total surface area of the Earth but in spite of that about 50 % of plants and animals that live on the Earth live there.

By definition rainforests are forests that recieve high amounts of rainfall so you can actually find rainforests in Alaska for example (other examples: Canada, Asia, Africa, Latin and South-America)

About 1/4 of natural medicines are found in rainforests. 70 % or more of the plants that are used to treat cancer are found only in tropical rainforest on the planet.

Trees in tropical rainforests are so dense that it takes approximately 10 min for the rainfall to reach the ground from canopy.

7 0
3 years ago
I NEED HELP WITH A QUICK BIOLOGY QUESTION!
deff fn [24]
I'm pretty sure the answer is C, there are 4 nitrogenous bases involved. 

<span>1) Adenine 
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3 0
3 years ago
Jason’s bathroom has two cotton bath mats in it, X and Y. Which bathmat will absorb water more quickly? Explain your answer to p
kondaur [170]

It's an ultra-absorbent bath mat soaks up an impressive amount of excess water quickly and efficiently, to keep your floor clean and slip-free.

Cotton bath mats are some of the most absorbent and comfortable models available. ...

Bamboo mats are durable and stylish.

Teak is a sensible alternative to bamboo.

Microfiber bath mats are reasonably priced and comfortable.

<h3>What is the difference between a bath rug and a bath mat?</h3>

Bath mats are the absorbent, non-skid pads that you throw down in front of your shower or tub. They're specifically made for preventing slips and post-shower puddles. Bath rugs, on the other hand, are fluffier and lend more to the look of a luxurious and guest-friendly bathroom.

Thus, this could be the answer.

To learn more about Bath mats click here:

brainly.com/question/3159847

#SPJ1

4 0
1 year ago
​Approximately what percentage of the body's energy needs at rest is supplied by fat
Ilya [14]
<span>The percentage of energy provided by fat when the body at rest is around 60%. The remainder of the energy provided to the body is from other nutrient sources, proteins and carbohydrates. The body uses these calories at rest for regular functions- respiration and other normal bodily processes.</span>
4 0
3 years ago
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