Membrane proteins are not very soluble in water, because they possess long stretches of non-polar amino acids that are

A. too long to interact with the water molecules.
B. hydrophobic.
C. are transmembranal.
D. hydrophilic.
E. used as transport channels.


B

Biology & Microbiology

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The term

Indicate whether this statement is TRUE or FALSE.

Biology & Microbiology

Glycolysis, pyruvate oxidation, and the citric acid cycle all have this molecule in common as one of

their products.

a. CO2 b. H2O c. ATP d. FADH2 e. NADH

Biology & Microbiology

Animal growth primarily occurs by an increase in the:a

number of tissues and organs. b. number of cells. c. types of cells produced. d. number of cell functions. e. number of cell shapes

Biology & Microbiology

Generally speaking, when the female gamete (ovum) is fertilized by the male gamete (sperm), a fusion of their nuclei restores the number of chromosomes to:

a) Hardy-Weinberg equilibrium. b) the pre-existing gene frequency in the population. c) the double helix. d) the haploid condition. e) the diploid condition.

Biology & Microbiology