What do we breathe out? What is the percentage of oxygen and carbon dioxide in our exhaled air?

15 points come and ! which characteristic describes all bacteria? a rod-shaped b microscopic c multicellular d autotrophic

Dna replication or repair occurs in a cell in all of thw following situations except when

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction