This is timed please help! Which nitrogen base sequence is the partner of T-C-A-G-C-A?

A-C-G-A-C-T
C-A-G-A-T-G
A-G-T-C-G-T
T-C-A-G-C-A

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Explanation:

Please

A-G-T-C-G-T

Explanation:

Nucleotide bases are the building blocks of nucleic acids, DNA and RNA. DNA is made up of four nucleotide bases, namely; Adenine, Cytosine, Guanine and Thymine. It is made up of two strands, where one strand is a complementary strand of the other.Complementary base pairing involves formation of hydrogen bonds between nucleotide bases with their partners. Cytosine forms three hydrogen bonds with guanine, and adenine forms two hydrogen bonds with thymine. In other words, during base pairing, Cytosine pairs with Guanine, while Adenine pairs with Thymine.

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).