Crossing over is a process which contributes to diversity in offspring of an organism. Which statement BEST explains this process? A b b B Sister chromatids separate to form haploid cells during anaphase II O Homologous chromosomes exchange genetic information during prophase! O A sister chromatid from one homologous pairs switches places with a sister chromatid from a different homologous pair. During metaphase II, sister chromatids of a homologous pair exchange genetic information.

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.