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Vinvika [58]
2 years ago
15

What is the difference between diffusion and facilitated diffusion?

Biology
1 answer:
Feliz [49]2 years ago
6 0

Answer:

Diffusion is the movement of molecules from an area where the molecule is in high concentration to an area where the molecule is in lower concentration. ... Facilitated diffusion is the movement of a molecule from an area of high concentration to an area of lower concentration with the help of a protein channel or carrier.

Explanation:

follow god :)

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5 0
3 years ago
In which order will free nucleotides add on to a single strand of DNA with the sequence ATTGCA during DNA replication?
AnnZ [28]
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Replication is a process in which DNA molecule is copied, and thereby two identical DNA molecules are produced.  Complementarity is achieved through interactions between nucleobases. In the DNA, base complements are adenine - thymine (A-T) and guanine - cytosine (G-C). 

So, free nucleotides will add in the following order <span>T A A C G T:
original strand                 new strand
     A                                       T
     T                                       A
     T                                       A
     G                                      C
     C                                      G
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3 years ago
Which substance on the plasma membrane helps identify chemical signals from outside the cell?
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Answer:

The correct answer is carbohydrate chain.

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Answer:

i will say D....

Explanation:

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