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topjm [15]
2 years ago
7

Most animal cell membranes have proteins that pump what ions out of the cell and potassium ions into the cell.

Biology
1 answer:
Alinara [238K]2 years ago
6 0
The correct answer is sodium
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The respiratory membrane consists of
ANEK [815]
It consists of the alveolar wall, the capillary wall, and their basement membranes.
8 0
3 years ago
Moisturizers for oily skin generally contain greater amounts of emollient
Xelga [282]

Answer:

False!

Explanation:

Moisturizers for oily skin generally contain smaller amounts of emollient.

6 0
3 years ago
Read 2 more answers
Which characteristics do all Protista have in common?
Y_Kistochka [10]

Answer:

d

Explanation:

because i said so lol - trust you will not be sorry

7 0
2 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
HELPPPPPPPPPPPPPPPPPP
mel-nik [20]

Answer:

D, Isosceles and right

Explanation:

you already know it's right bc of the little 90 degrees box so the only two right answers could be A and D but its not A bc all the sides aren't the same length so its D. Hope this helped! :)

4 0
2 years ago
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