Leon made a student chart about human induced changes to the environment.
Which headings BEST complete the chart?
a X:Pollution Y:Habitat destruction
b X: Long-Term Changes Y: Short-Term Changes
c X: Habitat Destruction Y: Pollution
d X: Short-Term Changes Y: Long-Term Changes

What is gene expression control that occurs after the generation of rna

Read each example and decide what the resulting effect on the gene pool of that population would be

Which of the following describe the role a biochemical pump plays in active transport? a it prevents water from moving across the cell membrane. b it uses energy to move materials across the cell membrane against the concentration gradient. c it large molecules cross the cell membrane without using energy. d it a cell move molecules from an area of higher concentration to an area of lower concentration.