Which of the following are the least mobile protists?
a. heterokonts
b. diatoms
c. euglenoids
d. apicomplexans
Ans: d. apicomplexans
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A woman who has a baby following embryo donation is her child's
A) genetic mother only. B) gestational mother only. C) genetic and gestational mother. D) gestational and surrogate mother.
Which of the following statements is true about scientific theories?
1.A theory is a related set of hypotheses that form a broad-ranging explanation of many phenomena. 2.Theories can not be rejected. 3.Once established, theories can not change. 4.Scientists must not change their minds and replace theories in light of new evidence.
What does the term theory mean to a scientist?
A) A guess B) A proposed explanation for an observed phenomenon C) A hypothesis that has been supported by the evidence of an experiment D) A broad hypothesis that has been supported by a large number of experiments
Oxygen acts as a final electron acceptor in respiration. Which molecule is it ultimately converted into?
a. water b. CO2 c. ATP d. glucose