The movement of some molecules and ions out of excretory system tubules and back into body fluids is called ____

a. reabsorption
b. excretion
c. filtration
d. secretion
e. diffusion


ANSWER: a

Biology & Microbiology

You might also like to view...

Define homeostasis.

What will be an ideal response?

Biology & Microbiology

A scientist studying a material has determined that 12C, 13C, and 14C occur in the material in a ratio of 1000:10:1. How did he most likely differentiate between these forms of carbon?

A. by the number of protons in 12C, 13C, and 14C B. by the number of electrons in 12C, 13C, and 14C C. by the number of neutrons in 12C, 13C, and 14C D. by the biomasses of 12C, 13C, and 14C E. by the number of positrons in 12C, 13C, and 14C

Biology & Microbiology

One application of the knowledge of sugar flow in xylem allows for the collecting of sap from maple trees in the:

A. summer B. winter C. fall D. early spring E. None of these is correct

Biology & Microbiology

You purchase a black dog (B = black, b = brown; B is dominant to b) from a breeder who tells you that the dog is a purebred, and that she will forward its papers to you at a later date

You mate the dog with a brown dog of the same breed. If the dog you purchased was truly a purebred animal, what proportions of colors should you see in the offspring? A) 100% black B) 100% brown C) 50% black, 50% brown D) 25% black, 75% brown E) 75% black, 25% brown

Biology & Microbiology