In developing follicles of the mammalian ovary, the thecal cells secrete testosterone. If the granulosa cells of a follicle are unable to convert this testosterone to , they will not express enough FSH and LH receptors to allow for follicle maturation and .

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

How many types of rock can form from the rock cycle