An example of a protist intestinal parasite would be:
A) Giardia. B) Chlamydomonas.
C) Clostridium botulinum. D) Yersinia pestis.
Answer: A
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The structure depicted the accompanying figure shows the _____
A) 1-4 linkage of the ?-glucose monomers of starch B) 1-4 linkage of the ?-glucose monomers of cellulose C) double-helical structure of a DNA molecule D) ?-helix secondary structure of a polypeptide E) ?-pleated sheet secondary structure of a polypeptide
The pathway leading to the perception of sound by mammals begins with the _____
A) hair cells of the organ of Corti, which rests on the basilar membrane, coming in contact with the tectorial membrane B) hair cells of the organ of Corti, which rests on the tympanic membrane, coming in contact with the tectorial membrane C) hair cells of the organ of Corti, which rests on the tectorial membrane, coming in contact with the basilar membrane D) hair cells of the organ of Corti coming in contact with the tectorial membrane as a result of fluid waves in the cochlea causing vibrations in the round window E) hair cells on the tympanic membrane that stimulate the tectorial membrane neurons, leading to the auditory section of the brain
Muscle cells differ from nerve cells mainly because they _____
A) express different genes B) contain different genes C) use different genetic codes D) have unique ribosomes E) have different chromosomes
Which structures make up the male reproductive whorl of a flower?
a. the sepals b. the carpels c. the stamens d. the receptacles