Carlos has a rock with a Mass of 17grams He uses Water displacement to find the volume. The water started at 10mL and rose to 25mL. What is the density of the rock?

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

What is the one part of the nucleotide  that differs among the other different nucle  tides?