Which of the molecules below is NOT a subunit for building macromolecules?

A. glucose
B. amino acids
C. steroid
D. fatty acid
E. nucleotides


C. steroid

Biology & Microbiology

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What is the primary difference between NAD+ and NADP+ (shown in the figure above)?

a. NAD+ functions as an electron transporter, whereas NADP+ does not. b. NAD+ functions as an electron transporter in chloroplasts while NADP+ functions as an electron transporter in mitochondria. c. Both function as electron carriers, but NADP+ has a third phosphate group and NAD+ does not. d. Both transport electrons to the electron transport chain (ETC) found on the inner mitochondrial membrane, but NADP+ transfers its electrons to the ETC at a higher energy level. e. NAD+ functions as a free energy source for cells while NADP+ does not.

Biology & Microbiology

What is the dominant photosynthetic pigment found in all types of algae?

a. Chlorophyll b b. Chlorophyll c c. Chlorophyll a d. Phycoerythrin e. Chlorophyll d

Biology & Microbiology

Follicle-stimulating hormone is secreted by the ________ gland.

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

Biology & Microbiology

The fertilization of an egg by a sperm produces a cell called a/an:

A) oocyte. B) ovum. C) gamete. D) zygote.

Biology & Microbiology