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sesenic [268]
3 years ago
11

How is the expression of surface antigens on red blood cells determined?

Biology
1 answer:
Zigmanuir [339]3 years ago
8 0
Blood diffuse is translated into red blood cells
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if there are 500 people in a population, and 150 are homozygous HbA/hba, 150 are homozygous hbs/hbs, and 200 are heterozygous hb
sineoko [7]

Answer:

0.547

Explanation:

Given -

Total Population - 500

Individuals with homozygous HbA/hbA genotype - 150

Individuals with homozygous hbs/hbs genotype -150

Individuals with heterozygous hba/hbs genotype -  200

Let us assume the given population is in Hardy Weinberg' equilibrium

The frequency of individuals in the given population with homozygous HbA/hba genotype is equal to number of individuals with homozygous HbA/hba genotype divided by total population.

\frac{150}{500} \\= 0.3

The frequency of hba allele is equal to

\sqrt{0.3} \\= 0.5477

3 0
3 years ago
Transformation is a useful technique for making genetically modified bacteria in the laboratory. There have been efforts to tran
Mama L [17]
<h2>Transforming Bacteria</h2>

Explanation:

  • Archaea and bacteria are different in the qualities of the cell wall and in the lipid composition of their cell membranes
  • <em>Bacterial cell dividers contain peptidoglycan</em>
  • Archaean cell wall don't have peptidoglycan, yet they may have <em>, polysaccharides, glycoproteins, or protein-based cell dividers </em>
  • Bacterial cell walls are made of peptidoglycan (likewise called murein), which is produced using polysaccharide chains cross-connected by abnormal peptides containing D-amino acids
5 0
3 years ago
You isolate a strain of bacteria and find that it obtains its carbon from carbon dioxide and its energy from complex carbon. it
Blababa [14]

Answer

            Bacteria that obtain its carbon from carbon dioxide (inorganic source) and its energy from complex carbon is known as chemotherapeutic bacteria. and the type mention in the above statement is known as chemolithoautotrophs.

3 0
3 years ago
What is the difference between arteries and veins
nekit [7.7K]

Answer:

An arterie is a vessel that carries blood away from the heart, and a vein carries blood to the heart

Explanation:

Mark as barinly plzzz :))))

8 0
3 years ago
The mixture of sperm and fluids from the seminal vesicles is called
hichkok12 [17]

Answer:

Semen

Explanation:

Sperm is the male reproductive gamete produced by the testes. During copulation or sexual intercourse, the produced sperm moves along a tube called VAS DEFERENS or sperm duct. The sperm mixes up with fluid called SEMINAL FLUID produced in the accessory glands comprising of seminal vesicles, prostrate gland and the bulbourethral glands to form the SEMEN, which is ejected from the urethra (a tube that runs from the bladder to the penis) during ejaculation.

The seminal fluid that mixes up with the sperm serves to lubricate it for easy locomotion within the female reproductive parts and also provide nourishment for the sperm.

5 0
3 years ago
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