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spin [16.1K]
3 years ago
14

Bonus: How many Earths wide is the sun? How many Earths could fit

Biology
1 answer:
AURORKA [14]3 years ago
6 0

Answer:

You could line up 109 Earths across the face of the sun.

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Are humans affected by natural selection?
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Yes! A recent example could be babies that do not survive child birth for a certain reason, are obviously unable to pass on whatever caused them to die in the first place.
Also, once humans started to domesticate cows and drink their milk (I'm not sure why humans drink a cow's milk) their bodies evolved to continue making the enzyme to digest milk even after they were weaned off their mothers milk. Many people of Asian descend do not have this enzyme, since their culture did/does not raise as much dairy product. 
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3 years ago
What basic motion does water follow during the passage of a wave?
poizon [28]

the correct answer is up and down

5 0
3 years ago
HELP ASAP!! DUE NOW!! WILL MARK AS BRAINLIEST!!
Naily [24]
The answer is: <span><span>has antigens A and B on the red blood cells
</span>
Human blood contains either: 
A antigens (A)
B antigens (B)
A and B antigens together (AB)
none of these antigens (O)

corresponding to the A,<span> B</span>,<span> AB</span>, and O blood types, respectively.

Antigens are molecules that can cause an immune response to be mounted against them in the form of antibodies. Antigen is an abbreviation for 'antibody generator'.

In the case of the ABO blood groups, the antigens are sugars on the red blood cells.

Antibodies are complex proteins made by certain immune cells, and these proteins have the ability to bind foreign material or microbes, which can block their harmful action and label them for quicker elimination.

Example:
When a person has a blood type with a particular antigen (e.g. A), he or she won't produce antibodies against that blood type, so they are safe to receive blood from individuals with similar blood types (won't be considered foreign). They can also receive blood from blood type O donors because they don't have any antigens that would cause an immune response. 

But this person with blood type A, has antibodies against blood type B (to defend oneself from foreign material), so if they were transfused type B blood in this case, they would experience a dangerous immune reaction as the antibodies would bind the B antigens of the B blood type red blood cells.
<span>
Blood type O individuals are universal donors = can donate blood to anyone.

Blood type AB individuals are universal receivers = can receive blood from any group.</span></span>
7 0
3 years ago
Which choice depicts a human nerve cell?
Alexxx [7]

Answer:

D then...

Explanation:

3 0
3 years ago
Read 2 more answers
In what way is cytokinesis in plant cells similar to binary fission in a bacterium? All of these choices are correct. A microtub
Juli2301 [7.4K]

Answer:

The correct answer will be option-Cell wall material is deposited to separate the daughter cells.

Explanation:

The process of binary fission divides the bacterial cell into two daughter cells with the same genetic material.  The process of cell division completes only after the process of cytokinesis completes.

In both bacteria and the plants, the division of cell completes after the formation of the cell wall around the plasma membrane of the cell as cell wall forms the outer part of the membrane.

Thus, the formation of a cell wall around the plasma membrane to separate the cell is the correct answer.

4 0
3 years ago
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