Which of these is a biotic factor that influences coastal plains such as those in north carolina? a. beach grass b. moderate temperature c. permeable rocks d. ocean currents

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

Which hormones are synthesized from cholesterol? a. steroidsb. modified amino acidsc. peptidesd. glycoproteinse. all of the above