We use yeast, seen here, when we make bread. some warm water and a little sugar and yeast are ready to divide. each yeast cell is identical to its parent cell. this is a form of reproduction. a) abiotic b) asexual c) genetic d) sexual

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above