if you remove all the water from an RBC, what’s left besides a phospholipid bilayer cell/plasma membrane?)

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.

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.