Carrier proteins helps take things in and out of the cell membrane.

True
False

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d. the size of the geographic area inhabited by a population can cause speciation.

How is the carbon cycle related to global warming ?

What is the meaning of exocytosis ?