Witch one came 1st . . chicken or the egg . .

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.