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Flauer [41]
3 years ago
6

Calculate the diploid & haploid numbers for each of the following organisms

Biology
1 answer:
sveticcg [70]3 years ago
7 0

Answer:

Meiosis is the start of the process of how a baby grows. Normally, meiosis causes each parent to give 23 chromosomes to a pregnancy.  When a sperm fertilizes an egg, the union leads to a baby with 46 chromosomes.

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Which description accurately describes the cell membrane?
Alex Ar [27]

Answer:

b. a semi-permeable double layer of phospholipids that have hydrophilic heads and hydrophobic tails

Explanation:

B is correct as the cell membrane is selectively semi-permeable. It is selectively semi-permeable because this quality allows it to control what can and can't enter the cell, and how it does so.

The cell membrane also has a phospholipid bi-layer comprised of a double layer of phospholipids which have hydrophilic head and hydrophobic tails. This is because the heads are made of phosphate and are polar and are therefore attracted to water (hydrophilic), while the tails are made of lipids (i.e. fats, oils) which do not mix with water and are therefore hydrophobic.

The properties of each phospholipid is also why they form the double layer structure, the hydrophilic heads naturally face outwards into the water and protect the hydrophobic tails on the inside.

Hope this helped!

4 0
3 years ago
Coaches will often urge athletes to exercise when they have a cold or other infection. What is the immunological reasoning behin
damaskus [11]

Exercise is the primary advice the coaches give to the athletes if they get a cold or any other infection. The main reason behind this advice is the fact that exercising strengthens the immunity of a person. When a person has an infection, the strengthening of the immune system will help his body to efficiently fight against the infectious pathogens. The blood circulation is increased which is involved in the enhancement of the acute immunity of the person.

3 0
3 years ago
Which factor explains that in general, temperate and polar regions have less biodiversity than tropical regions
frutty [35]

Answer:

Follows are the solution to this question:

Explanation:

The following are the two considerations demonstrating that there would be less biodiversity than the tropical areas in the Mediterranean climate as well as polar areas.

  • The first reason is all tropical areas experience drastic temperature variation.
  • The second reason is early in the earth's history, the northern latitudes are inhabited.
4 0
3 years ago
The three large arteries originating from the aortic arch are the __________.
kari74 [83]
The three large arteries originating from the aortic arch are the brachiocephalic trunk<span>, left </span>common carotid artery<span>, and left </span>subclavian artery<span>.</span>
3 0
3 years ago
Which of the following are not examples of circular motion? Check all that<br> Apply
BigorU [14]

I believe the answers are C and D

5 0
3 years ago
Read 2 more answers
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