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Nina [5.8K]
2 years ago
5

What is the function of the placenta?

Biology
1 answer:
Margaret [11]2 years ago
8 0

Answer: It nourishes the embryo.

Explanation:

      The placenta's main purpose is to nourish the embryo. It helps to provide oxygen and nutrients to the embryo. The placenta is an organ that develops during pregnancy.

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Why is hemophilia considered to be a sex-linked trait?
bija089 [108]

It is carried on the X chromosome.


Taking this test on Gradpoint, hope I helped.

6 0
3 years ago
a guinea pig with hair (HH) is breed with a guinea pig without hair (hh) what would the phenotype of their offspring be?
iren [92.7K]

Answer:

<u>the genotype is (Hh)</u> <u>phenotype hybrid which is a Guinea pig with hair</u>.( hybrid means its not a pureblood haired Guinea pig. pureblood means same. EX: (GG). Guinea pig with hair. its also known as heterozygous, and zygous.)

witch also means  its heterozygous. there is no percentage chance for something to have a different genotype of phenotype.

6 0
2 years ago
Where is long-wavelength radiation created?
Ivahew [28]

On the earth surface

Explanation:

The long-wavelength radiation is created on the earth surface when electromagnetic radiation is re-emitted.

  • The sun releases radiation in form of short-wave.
  • They are usually more energetic and with short wavelength and a high frequency.
  • When they interact with materials on the earth, they are radiated back as long-wavelength radiation that usually causes heat.
  • Ultraviolet rays and other high energy waves are emitted from the sun because it is a very hot body.
  • When these radiations enters the earth, they are re-radiated back as long waves with lower energy.
  • Earth is cooler than the sun
  • When some of the short waves for example, the ultraviolet rays gets to the surface, it is absorbed and re-radiated back.
  • When the short waves are absorbed, they lose some of their their energy to the earth surface.
  • The remainder is radiated back as less energetic long waves.
  • The hotter a body is, the more energetic the radiation it releases.

learn more:

Electromagnetic radiation brainly.com/question/6818046

#learnwithBrainly

4 0
3 years ago
Kendall was waiting in line at a local coffee shop. She had already eaten breakfast for the day, but the aroma of freshly baked
Allisa [31]

A strong incentive affects the Kendall's hunger drive.

<u>Explanation:</u>

Kendall was waiting in a line at a local coffee shop. She already had her breakfast for the day. The aroma of freshly baked bagels and muffins began to increase her hunger. Kendall faced a strong incentive affecting the hunger drive.

Imbalance of hormones like leptin and serotonin causes food cravings. After food consumption, endorphins gets released into the body. This is the reason for food craving and sometimes leads to addiction.

6 0
3 years ago
The cell is taking in substances through membrane proteins, without any energy expenditure of its own. The substances naturally
Serga [27]
Protein channels + no energy spent + following concentration gradient = passive transport via facilitated diffusion :)
8 0
2 years ago
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