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. hydrophilic.
C. hydrophobic.
D. used as transport channels.
E. are transmembranal.
Answer: C
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a. enzyme b. protein c. melanin d. salts e. lipids
In humans, colorblindness is a recessive, X-linked genetic disorder. What pattern of inheritance does this illustrate?
A.) sex-linked B.) multiple alleles C.) co-dominance D.) incomplete dominance
Progressive changes in the fossil record are evidence for evolution because
A. they show gaps in the fossil record. B. they show descent with modification. C. they show evolutionary change at the level of the individual. D. they show inheritance of acquired characteristics.
What are the building blocks of polysaccharides such as glycogen?