Which of the following best describes the relationship at the molecular level between mutant alleles and phenotype?
A) A mutant allele will cause only one phenotype.
B) The wild-type allele is always dominant.
C) A mutant allele can have different effects depending on the gene product's function.
D) Mutant alleles will only cause problems when seen in the homozygous form, no matter the gene affected.
E) A mutant allele will cause the wild-type protein not to be made.
Answer: C
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Which of the following is actively transported in the proximal tubules of the kidney?
a. bicarbonate ions b. sodium ions c. chloride ions d. water e. ADH
Which statement best describes the three types of systems?
a. An isolated system does not exchange energy or matter with its surroundings; a closed system exchanges only energy, but not matter with its surroundings; an open system exchanges both energy and matter with its surroundings. b. An isolated system does not exchange energy or matter with its surroundings; a closed system exchanges only matter, but not energy with its surroundings; an open system exchanges both energy and matter with its surroundings. c. An isolated system exchanges energy with its surroundings; a closed system exchanges only matter, but not energy with its surroundings; an open system exchanges both energy and matter with its surroundings. d. An isolated system exchanges energy with its surroundings; a closed system exchanges only energy, but not matter with its surroundings; an open system exchanges matter, but not energy with its surroundings.
Translocation converts the information stored in the ______________ into _________________.
Fill in the blank(s) with the appropriate word(s).
The (bacilli/Lactobacilli/bacteroids) are a group of Gram-negative bacteria that include obligate anaerobes normally found in the intestinal tracts of animals and humans.
Fill in the blank(s) with the appropriate word(s).