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Ludmilka [50]
3 years ago
5

Answer this question (30 points),

Biology
1 answer:
masha68 [24]3 years ago
8 0
The cell cycle is an ordered series of events involving cell growth and cell division that produces two new daughter cells. Cells on the path to cell division proceed through a series of precisely timed and carefully regulated stages of growth, DNA replication, and division that produces two identical (clone) cells. The cell cycle has two major phases: interphase and the mitotic phase (Figure 1). During interphase, the cell grows and DNA is replicated. During the mitotic phase, the replicated DNA and cytoplasmic contents are separated, and the cell divides.
Hope this helps :)
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Mutations are sometimes helpful in providing food for people. TrueFalse
UNO [17]
True. 
Mostly false though.
If an animal wanted to eat a person that died from a mutation they could but I would say that would be a rare occurance. 

7 0
3 years ago
Each ABO blood group is associated with the presence/absence of RBC antigens and the presence/absence of antibodies in the plasm
harina [27]

Answer:

a. Type O blood - No A or B antigens on RBCs-Anti-A antibodies in plasma-Anti-B antibodies in plasma

b. Type A blood - A antigen on RBCs- Anti-B antibodies in plasma

c. Type B blood - B antigen on RBCs- Anti-A antibodies in plasma

d. Type AB blood - A antigen on RBCs- B antigen on RBCs- Neither anti-A or anti-B in plasma

Explanation:

ABO blood grouping system represents multiple allelism which was discovered in humans by Karl Landsteiner. The blood group is determined by the presence or absence of A & B antigens and antibodies.

The 4 blood groups which exist in ABO system are O, A, B and AB. Also, allele A and B are co-dominant i.e. if they both will exist on the surface of an RBC then both will be equally expressed which implies that there will be no dominant or recessive allele.

Type O blood group has H antigen on the surface of RBC and has both the antibodies i.e. antibody A and B. The absence of antigens A and B makes it a universal donor.

Type A blood group has A antigen on RBC and has antibody B in the plasma.

Type B blood group has B antigen on RBC and has antibody A in the plasma.

Type AB blood group has both the antigens i.e. antigen A and B on RBC and does not have any antibody in the plasma which makes it a universal acceptor.

3 0
3 years ago
Why is it impossible for offspring to show recessive trait if one parent is homozygous for the dominant trait?
Luden [163]

If you make a punnet square out of this, there is no possibility to have a recessive trait because neither parents have it plus dominant is always going to overrule recessive traits.

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Why is the cell cycle important to human bodies
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You need it in order to be living
4 0
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What are the three main types of tectonic plate boundaries?
Paladinen [302]

Answer:A

Explanation:

7 0
3 years ago
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