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Stolb23 [73]
4 years ago
11

Jenny underwent a surgical procedure during the twentieth week of her pregnancy in which the doctors inserted a needle into her

amniotic sac through her abdomen and withdrew some fluid. the fluid was then studied for any abnormalities such as signs of down syndrome and spina bifida. in this scenario, jenny underwent a procedure known as
Biology
1 answer:
yulyashka [42]4 years ago
4 0

Jenny underwent a prenatal test or procedure known as <span>Amniocentesis<span>.  The<span> small amount of amniotic fluid (less than one ounce)  removed from the sac surrounding the </span></span>fetus<span> is then sent to the laboratory for analysis.  Prior to amniocentesis, a complete anatomical ultrasound should be done to patient. </span></span>

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What is the meaning of front?
Naya [18.7K]

Answer:

the forward edge of an advancing mass of air.

hope this helps

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Explanation:

4 0
3 years ago
if there is a high concentration of substances inside of thecell and a low concentration of substance ousdieof the cell wich dir
inna [77]

The concentration gradient will be in the direction from the cell to the outside of the cell .

<h3>What is concentration gradient and how the direction is from inside to the outside ?</h3>
  1. Concentration gradient will be from inside of the cell to the outside of the cell that is from high concentration to the low concentration.
  2. The concentration of substances inside the cell if given to be more than the concentration of the substance inside the cell.
  3. We have always studied that the direction of concentration gradient is from high to low.
  4. Since the concentration inside is high so the direction will start from the higher concentration.
  5. To the place where concentration is low that is outside of the cell.

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7 0
1 year ago
a book setting on a shelf two meters from the floor has more kinetic energy than a book sitting on a shelf one meter from the fl
r-ruslan [8.4K]

True

Explanation:

Its true because the book closer to the ground requires less energy to keep it pulled towards the earth, since its closer

6 0
3 years ago
In areas of permafrost, stands of black spruce are frequently observed in the landscape, while other tree species are noticeably
Marizza181 [45]

This happens because taproot formation is impossible, so trees developed shallow root beds.

Permafrost is soil that has a temperature below 0 °C (for about two years) and forms a solid matrix which can extend to a depth of hundreds of meters. Because of this structure the permafrost prevents trees from developing deep root systems. As a consequence, the shallow root bed of trees such as black spruce, causes them to lean or even fall.


8 0
3 years ago
A particular recessive genetic disorder is polygenic. It is caused by 2 separate, unlinked genes (Genes A and B). To have the di
mash [69]

Answer:

1/4

Explanation:

1-Mother:

The probability to pass the disorder to her progeny is: 1 x 1/2 = 1/2

Father:

2-The probability to pass the disorder to his progeny is: 1 x 1/2 = 1/2

Therefore, the probability to have the disorder is equal to the product of both independent events, i.e., 1/2 x 1/2 = 1/4 or 25%  

3 0
4 years ago
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