What building blocks form a DNA molecule?

A) amino acids
B) nucleotides
C) fatty acid chains
D) polysaccharides


B

Biology & Microbiology

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What factor is NOT involved in the movement of

water through a plant? a. transpiration pull b. the cohesion of water molecules c. hydrogen bonds d. the replacement of lost water molecules e. active transport

Biology & Microbiology

Which of the following statements about CRP is false?

a. It is a dimer. b. It is activated by a single molecule of cAMP. c. It is activated when cellular glucose levels are low. d. It binds to the lac O1 operator. e. It activates RNA polymerase.

Biology & Microbiology

The outer membrane of Gram-negative bacteria enables many antimicrobial drugs to enter the cell more easily.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ energy into the chemical energy of ATP.

A) chemical . . . food . . . light B) nuclear . . . light . . . food C) food . . . light . . . chemical D) food . . . light . . . nuclear E) light . . . food . . . kinetic

Biology & Microbiology