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elena55 [62]
3 years ago
9

BRAINLIESTTT ASAP!!!

Biology
1 answer:
Gnesinka [82]3 years ago
6 0
W and Z are most likely to be gas giants!
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Blood typing is based on the presence of proteins known as __________ on the outer surface of the red blood cell plasma membrane
tensa zangetsu [6.8K]

Answer: Option B) Antigens

Blood typing is based on the presence of proteins known as antigens on the outer surface of the red blood cell plasma membrane.

Explanation:

Blood groups A, B, AB, and O are determined based on the antigen-antibody reactions between donor and recipient bloods.

For instance,

- Blood type A has antigen A on its plasma membrane

- Blood type B has antigen B on its plasma membrane

- Blood type AB has both antigen A and antigen B on its plasma membrane

- while blood type O has neither antigen A nor B on its plasma membrane

So, antigens is the answer

8 0
3 years ago
According to the theory of _____________, mitochondria in cells today are the descendents of aerobic prokaryotes that used oxyge
Viefleur [7K]
I'm pretty sure its endosymbiosis 
6 0
3 years ago
Complete the passage about the nitrogen cycle.
Gnesinka [82]

Answer:

During nitrogen fixation specialised bacteria living in the earth's atmosphere convert nitrogen taken from the geosphere

6 0
3 years ago
Assume that in squashes the difference in fruit weight between a 3-lb type and a 6-lb type results from three independently segr
3241004551 [841]

Answer:

F1: Aa Bb Cc: 4.5 lbs

F2: Too many to list: Between 3 lbs and 6 lbs

Explanation:

F1: Aa Bb Cc, will be the genotypes and will weigh 4.5 lbs, the reason for that is because each capital letter allele adds half a pound to the base weight of 3 lbs.

F2: There are many different genotypes that can be present in the second generation, for example (AA BB CC, AA BB Cc, AA BB cc, etc.) each of which will allow the plant to grow to a certain height. The majority of phenotypes will be 4.5 lbs. There will be one who is AA BB CC, and another one person who has the code, aa bb cc.

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3 years ago
Explain the processes that take place in the stroma including the reactants going in and the product from these processes in (a)
MakcuM [25]
They are the light reactions and calvin cycle. The products from light reactions are ATP and NADPH
7 0
3 years ago
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