In which part of the nephron does the filtration of blood occur? A. glomerulus
B. distal tubule
C. proximal tubule
D. loop of Henle
E. collecting duct (to ureter and bladder)

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.

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight