Each hemoglobin molecule can carry how many oxygen molecules?

a. 4
b. 6
c. 8
d. 10
e. 12


ANSWER: a

Biology & Microbiology

You might also like to view...

Which of the following represents a synthesis reaction?

A. A + B ? AB B. AB ? A + B C. AB + XY ? AY + XB D. AB + XY ? AY + XB

Biology & Microbiology

The "thumb" of the panda is really a modified ________ bone, which evolved because it improved ______________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

A danger in using E. coli in cloning is that

A. E. coli could cause disease. B. the human cells may reject the insertion. C. the exons may invert the introns. D. the outer membrane is toxic to humans.

Biology & Microbiology

In this diagram of the life cycle of a flowering plant, in which structure, A, B, C, or D, would a pollen tube grow?

1.A 2.B 3.C 4.D

Biology & Microbiology