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luda_lava [24]
3 years ago
12

What are two types of passive transport

Biology
1 answer:
Keith_Richards [23]3 years ago
3 0

Answer:

diffusion and osmosis

Explanation:

diffusion is the movement of molecules across the membrane from an area of high concentration to an area of low concentration occurring with or without the help of membrane protein. Osmosis is the diffusion of water molecules.

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A circumscribed elevation of the skin containing a non-purulent fluid is known as a(n) ___?
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The answer to this question would be : vesicle or bullae.

If the size of the elevation is <0.5cm it is called vesicle but if it's larger it called bullae. The fluid inside vesicle and bullae is clear. Vesicle and bullae that caused by infection can become purulent after a period of time, thus called pustule. 
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Who Proposed a theory of gravity?
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has four pairs of chromosomes what proportion of gametes would be expected to contain some chromosomes from both parental and ma
gogolik [260]

Answer:

To complete the question: a diploid organism has four pairs of chromosomes what proportion of gametes would be expected to contain some chromosomes from both parental and maternal origin? assume that there is no crossing over

Answer: 7/8

Explanation:

A diploid organism with four pairs of chromosomes...

Assume that the organism receives chromosomes A, B, C and D from the female parent and A', B', C' and D' from the male parent.

Proportion of gametes from patterns origin is the same as that of matters origin, this we have:

(1/2)^4 = 1/16 where 4 reps the number of possibilities, 1/2 rep the chance

Thus, the proportion of gametes expected to contain some chromosomes from both parental and maternal origin would be

(1 - (1/16 + 1/16)) = 14/16 = 7/8

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