A point mutation affects a single base and most commonly occurs when one base is substituted or replaced by another. Frameshift mutation results from the addition of one or more bases, known as an insertion, or the removal of one or more bases, known as a deletion.
Answer:
Sterol lipids are common in human cell plasma membranes
Explanation:
Human plasma cell membrane contains sterol lipids and proteins which serves as structural maintainers of the cell.
Answer:
To show the flow of energy through ecosystems, food chains are sometimes drawn as energy pyramids. Each step of the pyramid represents a different trophic level, starting with primary producers at the bottom. The width of each step represents the rate of energy flow through each trophic level.
Explanation:
Cause mammals are the only species that are well developed before birth unlike marsupial and monotremes
Phenotypes are the physical makeup of a living thing and genotypes are the genetic makeup of the living thing
