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taurus [48]
3 years ago
12

Which of the following processes can result in a new island population with a limited gene pool?A. artificial selectionB. gene p

oolC. founder effectD. bottleneck effect
Biology
1 answer:
ExtremeBDS [4]3 years ago
7 0

The answer is C founder effect.

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A person's blood type is determined by the:_______
matrenka [14]

Answer:

) Presence of specific glycoproteins on the cell membrane

Explanation:

When specif glycoproteins(antigens)  or antibody are present on a cell membrane of Red blood cell,they can  be used to identify the blood type.Antigens are substances capable of triggering an immune response in a cells.

In addition,they function in transport of molecules across the RBC. They help in the maintenance of the RBC,and aiding the arrest of cells capable of causing diseases to the body.

Therefore,they are good determinants of blood types,based on this two types of antigens present in a  blood type.

These two antigens  used for classification of blood types are the 1-the ABO antigens 2,the Rhesus antigens.

Essentially,when a WBC produces an antibody ,which is a molecule that defends the body,If this is not compatible,the antibody will recognize it as a foreign body and attack it.Thus such blood types are not compatible. Thus the antibody-antigen reaction are good for knowing and classify blood types.

Antigen can also be glycoprotein,carbohydrate or glycolipids.

Generally blood types are inherited from both parents.Therefore the antigen present on the RBC are combination of the alleles from each parent.

4 0
2 years ago
What are some disadvantages of fossil fuels?
Fed [463]

Answer:

B. Fossil fuels are nonrenewable and may cause pollution.

Explanation:

Fossil fuels are nonrenewable, meaning that they cannot be replenished sustainably. So, eventually, we will run out of them because they cannot be renewed.

Another disadvantage of fossil fuels is that they cause pollution. For example, the gasoline that is used by cars creates significant amounts of pollution every year.

Pollution is created by cars, factories, homes, and everything else that uses fossil fuels.

So, the correct answer is B, fossil fuels are nonrenewable and may cause pollution

3 0
3 years ago
Why is prophase the longest phase of mitosis
Mamont248 [21]

Answer:

During prophase, which occurs after G2 interphase, the cell prepares to divide by tightly condensing its chromosomes and initiates mitotic spindle formation. The chromatin fibers condenses into discrete chromosomes. The nucleolus also disappears during early prophase.

3 0
2 years ago
Read 2 more answers
Which organism provides energy to all other organisms in this ecosystem? A. prairie dog B. prairie grass C. vulture D. coyote
wolverine [178]
Prairie Grass is the organism that provides energy to all other organisms in the ecosystem.
5 0
3 years ago
Read 2 more answers
I need help w these
tamaranim1 [39]
Question 2

D) Carbohydrates
8 0
3 years ago
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