Which of the following statements about protozoa is false?
a. They have rigid cell walls.
b. They are classified by their method of locomotion.
c. All are unicellular.
d. All have complex cells.
e. All are eukaryotic.
Ans: a. They have rigid cell walls.
Biology & Microbiology
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The definition of a saturated fat is that it can hold no more atoms of
A. carbon. B. hydrogen. C. oxygen. D. All of these answers are true.
Biology & Microbiology
In meiosis chromosomes containing sister chromatids (not homologous chromosomes) align along the center of the cell during
A. prophase I. B. prophase II. C. interphase II. D. metaphase I. E. metaphase II.
Biology & Microbiology
In animals, the egg and sperm cells are:
A. polyploid. B. diploid. C. haploid. D. None of these choices are correct.
Biology & Microbiology
Define and give an example of convergent evolution
What will be an ideal response?
Biology & Microbiology