A student was told that a drawing of a bacterial cell had been magnified 30 000 times. The length of the drawing was 45mm. What was the actual length of the bacterium?
A.0.15mm
B.1.5mm
C.0.66mm
D.

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.