Plant cells have It is used for photosynthesis.
es
A. chloroplast
B. nucleus
C. Cytoplasm
D. cell membrane

Two critical interventions to turn around the opioid crises are:

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

Some steps in cell division are shown below: 1. chromosomes condense and pair up 2. segments of dna of sister chromatids twist and cross 3. exchange of dna occurs between chromosomes 4. four daughter cells are created that are haploid which of the following steps is least likely to occur during meiosis 1?