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irina [24]
2 years ago
15

Kii6ikyullkyjk,j.kl;iolkklll

Biology
2 answers:
KonstantinChe [14]2 years ago
8 0
Uhm...... *-* hey? Ya need anything, kinda confused, lolllllllllll
Sergio [31]2 years ago
4 0

Answer:

huh

Explanation:

.

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Which test detects antibodies to hiv and can therefore be used to diagnose aids?
rodikova [14]
HIV tests are used to detect the presence of the human immunodeficiency virus
(HIV) the virus that causes acquired immunodeficiency syndrome (AIDS) in serum, saliva , or urine such tests may antibodies, antigens, or RNA .
6 0
3 years ago
If the integument of an angiosperm seed contains cells with 20 chromosomes, how many chromosomes would you expect to find in the
OleMash [197]

Answer:

30

Explanation:

The seed of an angiosperm is formed as a result of fertilization (fusion of sperm in pollens and the ova from ovary). According to the question, the cells of the seed which will grow into the plant contains 20 chromosomes. Seeds of angiosperms contain a tissue called ENDOSPERM that forms as a result of the unique DOUBLE FERTILIZATION in angiosperms. It occurs when one haploid sperm cell fuses with two haploid polar nuclei to form a triploid endospermic structure that serves as food for the growing embryo in the seed.

Now based on the above explanation, the diploid plant cell with 20 chromosomes will have 10 chromosomes (half as much) in its gametes as a result of meiosis. This 10 chromosomes in each gamete (sperm and ovum) fuses to form a diploid zygote with 20 chromosomes, while one haploid sperm cell (10 chromosomes) also fuses with two haploid polar nuclei (10 chromosomes each) to form a triploid endosperm with 30 chromosomes i.e. 10+10+10.

8 0
3 years ago
Some of the food in the protein group and dairy group are high in saturated fats and cholesterol. These raise which cholesterol
BigorU [14]

The food in the protein group and dairy group are high in saturated fats and cholesterol, it raise LDL in blood.

<h3>What is cholesterol?</h3>

Cholesterol is a waxy like substance synthesized from two sources such as liver and from animals like meat, poultry, diary product.

There are two types of cholesterol, one is bad called LDL cholesterol and second one is good called as HDL.

LDL narrow down the arteries by depositing fats in it, the condition known as atherosclerosis which leads to increase in risk for heart attack, stroke and peripheral artery disease.

On the other hand, HDL protect against heart attack and stroke

Third component called triglycerides are the common type of fat act as a reservoir of excess energy.

Hence, LDL is the correct answer.

Learn more about cholesterol, here:

brainly.com/question/14528218

#SPJ4

3 0
1 year ago
Beluga, osetra and sevruga caviar come from which fish?
Juliette [100K]
Traditionally, the term caviar refers only to roe from wild sturgeon in the Caspian Sea and Black Sea (Beluga, Ossetra and Sevruga caviars). Depending on the country, caviar may also be used to describe the roe of other fish such as salmon, steelhead, trout, lumpfish, whitefish, carp, and other species of sturgeon.
6 0
3 years ago
The first place that the reabsorption of water is not automatically coupled to the reabsorption of filtered solutes occurs in th
Alina [70]

Answer:

False

Explanation:

The correct answer is false because Reabsorption of water and other filtered solutes like vitamins, sodium e.t.c. take place in the proximal convoluted tubules.

Reabsorption is when water and solutes in the PCT are removed and moved back into the blood and it's a process that take place through bulk transport.

The solutes and water are transported from the PCT to the interstitium and then move into peri-tubular capillaries and reabsorption in PCT is isosmotic i.e solutes have the same osmotic pressure.

6 0
3 years ago
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