Which describes a mutation that occurs within a gene? a single base pair can be added, removed, or changed. an extra base pair must be added for a mutation to occur. a single base pair must be removed for a deletion. mutations always involve the deletion of a single base.

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

What is the role of the phospholipid belayer in cellular transport in living cells