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sesenic [268]
3 years ago
9

What is the main function of Schwann Cells?

Biology
1 answer:
zaharov [31]3 years ago
8 0

Answer:

A. increase the speed of nerve impulses

Explanation:

Schwann cells speed up nerve impulses by secreting a fatty substance called myelin around the axon of peripheral nerves. (Myelin can greatly increase the speed of impulses in neurons because it insulates the axon and assembles voltage-gated sodium channel clusters at discrete nodes along its length.)

I hope this helps! :)

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According to the base pairing rules of dna, if the sequence of bases on one strand was aggctta, what would be the sequence of ba
schepotkina [342]
The paring rule is that A pairs with T and C pairs with G. If the strand yoy are workimg with is aggctta then the new strand will be tccgaat.
8 0
3 years ago
15. Which of the processes has more than one type of RNA involved?
erastova [34]

Answer:

Translation

Explanation:

Translation is the process by which mRNA is decoded and translated to produce a polypeptide sequence, otherwise known as a protein. This method of synthesizing proteins is directed by the mRNA and accomplished with the help of a ribosome, a large complex of ribosomal RNAs (rRNAs) and proteins. In translation, a cell decodes the mRNA’s genetic message and assembles the brand-new polypeptide chain. Transfer RNA, or tRNA, translates the sequence of codons on the mRNA strand. The main function of tRNA is to transfer a free amino acid from the cytoplasm to a ribosome, where it is attached to the growing polypeptide chain. tRNAs continue to add amino acids to the growing end of the polypeptide chain until they reach a stop codon on the mRNA. The ribosome then releases the completed protein into the cell.

5 0
3 years ago
4. What about each person's chromosomes make them unique?
adell [148]

Answer:The DNA in each persons chromosomes makes them unique

Explanation: Representing segments of the genome that have been passed down from generation to generation, occasionally being shuffled amongst chromosome pairs. This shuffling has helped drive evolution through time, and ultimately has helped write your genome and the story of you.

3 0
4 years ago
The enzyme that unwinds that double stranded DNA at the beginning of DNA replication is called. A. Primase. B. DNA polymerase. C
JulsSmile [24]

Answer:

The correct option is D. <u>Helicase</u> is the enzyme that unwinds that double stranded DNA at the beginning of DNA replication.

Explanation:

DNA replication can be described as a process by which the strand of DNA gets duplicated into two new daughter strands.

Helicases can be described as the enzymes whose main function is to unwind the double helix structure of the DNA. The helicases break the hydrogen bonds present between the two strands of DNA. The helicases are the first machinery for DNA replication as they form the replication fork and begin unwinding of the DNA from the origin of replication

6 0
4 years ago
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How are heat and temperature related?
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Answer:

C

Explanation:

Heat causes changes in the temperature of objects

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3 years ago
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