Q1.1. If DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of C? 27 percent
30 percent
23 percent
54 percent

Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc

Why has two different alleles for the same trait?

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.