Answer the below questions.. Itz urgent.. fast.

The question is –

1. What is Sex? How to do it?
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What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things