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Julli [10]
3 years ago
5

Help pls it would be nice :p

Biology
2 answers:
timama [110]3 years ago
6 0

see in<em> </em><em>the</em><em> </em><em>net</em><em> </em><em>ok</em><em> </em><em>na</em><em> </em>

<em>please </em><em>mark</em><em> </em><em>me</em><em> </em><em>as</em><em> </em><em>brainliest</em>

tia_tia [17]3 years ago
4 0

Answer:

1.The DNA unzips

2.A strand of RNA is made

3.The RNA leaves the nucleus

4.The RNA moves to the ribosome

Explanation:

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If 32 packed volume units of cells are separated from 46 volume units of plasma from a blood sample, the haematocrit is _______
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Answer:

If 32 packed volume units of cells are separated from 46 volume units of plasma from a blood sample, the hematocrit is <u>41,02%</u> percent. The hematocrit value is <u>within the normal</u> range.

Explanation:

Hello!

Hematocrit (or packed cell volume -PCV-)is defined as the percentage of red blood cells (vol%) in a blood sample. One common method of determining it is by centrifuging a heparinized blood sample in a capillary tube at 10 000 RPM for five minutes. This separates the blood sample in two layers, formed elements (RBC and WBC) and Plasma.

The length of the layers is directly measured from the tube and represents the volume of packed cells and plasma. Since the number of white cells is negligible compared to the number of red cells, the formed elements are considered to represent the red blood cells.

The hematocrit can be calculated as the volume of packed cells divided by the total volume of the blood sample.

\frac{PCV}{TOTAL(pcv+plasma} * 100

<u>In the question:</u>

\frac{32}{32+46} * 100 = \frac{32}{78} * 100 = 41,02%

In humans the normal hematocrit range is 40,7% to 50,3% for men and 36,1% to 44,3%. Taking these reference values into consideration, this sample is within the normal range.

I hope you have a SUPER day!

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When recombinant DNA is inserted into the Genome of the host organism was created
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1. Ai là người đã đặt nền móng cho di truyền học
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here your answer

pls follow and make me as brainlist

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Assuming the stomata are open to the same degree, the rate of transpiration should _____ on a rainy day compared with a sunny da
Allushta [10]

Answer:

decline: decrease

Explanation:

Transpiration is the loss of water from stomata by the process of evaporation. It occurs by the process of diffusion and is driven by the concentration gradient of water vapor. The higher the concentration gradient between air and leaf cells, the higher is the rate of diffusion of water.

On a sunny day, the rate of transpiration is higher since air is less humid and the concentration of water inside the leaf is higher. On the other hand, the air is more humid on a rainy day. The increased water vapor content of air reduces the concentration gradient between air and leaf cells. The reduced concentration gradient decreases the rate of transpiration.

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