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inna [77]
3 years ago
15

Which of these statements is correct about a theory?

Biology
2 answers:
mina [271]3 years ago
6 0
It can be changed by currents
Tpy6a [65]3 years ago
4 0

A theory can be changed by current evidence.

As it is only a theory.

Theory : a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.


Hope this helps,

Davinia.

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CUGGCUAC
Degger [83]

Template DNA  5' GATTCAGAGA 3'

Complemntary strand    3' CTAAGTCTCT 5'  

5'   GAUUCAGAGA3'  mRNA strand

codes of mRNA GAU, UCA, UAG

Explanation:

5' GATTCAGAGA 3' is the example of DNA strand having the sequence.

The DNA strand is leading strand and is in 5' to 3' direction

the complementary DNA strand is formed in 3'to 5' direction as the strand of 5' to 3' acts as a tempelate for complementary strand.

During replication which is semiconservative a new template is formed by adding the nucleotides to the growing strand.

DNA synthesis always takes place in 5' to 3' direction.

5' GATTCAGAGA 3'

3'  CTAAGTCTCT 5'    Complemntary strand

Transcription is a process in which DNA sequence is transcribed into mRNA which carries codes for amino acids.

 The 5' to 3' strand is called sense strand

3' to 5' strand is called antisense strand. mRNA is transcribed from antisense strand and is a copy of sense strand.

so the transcribed DNA strand as mRNA will be shown as:

3'  CTAAGTCTCT 5'

5'   GAUUCAGAGA3'  mRNA strand

GAU codes for = Aspartate

UCA codes for = serine

GAG code for = glutamate (when due to mutation GAA will become GAG)

A will not code as it is not in triplets.

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