Question 1 (1 point) Which of the following is not part of a nucleotide in a DNA molecule?
a
a base
b
a phosphate group
three phosphate groups
C
od
a sugar

Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water

This is collection of data made by comparing objects in standard units. in science, the units are metric.