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Alex787 [66]
3 years ago
6

The thin layer of white blood cells and platelets found above the packed red cells in centrifuged blood is called the ______

Biology
1 answer:
Alla [95]3 years ago
8 0

Answer:

Buffy coat.

Explanation:

Between the plasma, and red blood cells the platelets, and white blood cells form a thin white layer which is known as Buffy coat following density gradient centrifugation of the blood.

Centrifugation is the process where the distinguish between cell fragments, and cell from the liquid intracellular matrix occurs. Centrifugation is a technique which separates the particles according to their size, density, viscosity and shape with the help of centrifugal force.

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Which of the following is a synonym for bias?
pashok25 [27]
B --------------------
8 0
3 years ago
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In a hardy-weinberg population with two alleles, a and a, that are in equilibrium, the frequency of allele a is 0.2. what is the
Allushta [10]
The Hardy-Weinberg equation is as follows:
( {p + q})^{2}  = 1
{p}^{2}  +2pq +   {q}^{2}  = 1
Where:
(convert all % to decimals)

p= homozygous dominant
q= homozygous recessive
pq= heterozygous

While you did not specify whether the 0.2 frequency was for dominant or recessive, we can still figure out the answer.

Using the 1st equation, we can solve for the other dominant/recessive frequency:

1-0.2=0.8

Meaning that:

p= 0.8 & q=0.2

If the heterozygouz frequency is 2pq, then it becomes a simple "plug & chug" sort of approach.

2(0.8)(0.2)= 2(0.16)= 0.32

So, the heterozygous frequency would be:
0.32

Hope this helps!
8 0
3 years ago
How do scientists decide when to change or modify their understanding of a particular topic?​
Natali5045456 [20]

Answer:

they carry out experiments to understand it

Explanation:

Scientists raise hypotheses which are tested by experiments made under controlled conditions in order to explain a particular topic. When a hypothesis is confirmed by the experimental data, the evidence obtained from this experiment provides the basis to increase the scientific knowledge about a particular issue. In consequence, experimentation can be considered as a critical step in the scientific method and research aims to advance knowledge of a particular phenomenon by confirming a hypothesis, which must be testable (i.e. verifiable as a result of further experimentations).

6 0
3 years ago
What happens when hydrogen ions combine with hydroxide ions
s2008m [1.1K]
  Hydrogen ion, or H-, creates water when combined with a hydroxide ion, OH+.
 
    The 'formula' for water is H20, two hydrogens and an oxygen. 

I hope that I helped but if this still makes no sense, or if I haven't explained it as well, then please don't hesitate to ask further questions. Thank you.
 
6 0
3 years ago
What is the fitness of an organism
sashaice [31]

Answer:

Darwinian fitness

Explanation:

it is able to produce offspring of itself and help it to Maintain the population of an organism

hope it helps u

6 0
3 years ago
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