What happens during the spring and fall equinox?a. The number of daylight hours is greater thanthe number of night-time hours. b.The number of night-time hours is greater than the number of daylight hours. c.The number of daylight hours is 18 and the number of night-time hours is 6.d. The number of daylight hours and night-time hours is nearly equal all over the world.

The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.

Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam