Which statement describes evolution? * a. Progression toward better, stronger, smarter species
b. Change in allele frequency in a population
c. Harmful mutations are removed from a population.
d. is possible in individuals if given a million years

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !