what advantages do animal pollination bring to angiosperms that might explain the dominance of these relative newcomers among the plants?

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.