Which of the indicates the correct function paring in the semi-circular canals.
a. cortical lesions anterior & posterior
b. ips anterior & posterior
c. lateral to lateral
d. a& c
e. b& c

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Dna replication or repair occurs in a cell in all of thw following situations except when

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer