All protists are _____.
A. eukaryotic
B. unicellular
C. monophyletic
D. symbionts
E. mixotrophic
Ans: A. eukaryotic
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In many ways, ________ as a biofuel compares very favorably to ethanol and other fuels.
Fill in the blank(s) with the appropriate word(s).
If a person has a herniated disk, sometimes surgery can relieve the pain that is associated with the condition. However, one side effect can be a loss in spinal flexibility. Why does this loss occur?
What will be an ideal response?
Along with having a variable number of toes, some kittens from Jake and Lucy's litter had a white spot on their nose. In fact, out of the 16 kittens, all 10 males had the white spot, but none of the 6 females had the white spot. Jake has a white spot on
his nose, but Lucy does not. What can you conclude from this information? A) A sex-linked gene that controls the expression of the white spot is found on the Y chromosome. B) A sex-linked gene that controls the expression of the white spot is found on the X chromosome. C) The genes for the white spot and for polydactyly are linked. D) The genes for the white spot and for polydactyly are not linked.
Which of the following represents size relationships from smallest to largest?
A. rhinovirus, Ebola virus, Staphylococcus cell, red blood cell, yeast cell, squamous epithelial cell B. rhinovirus, Ebola virus, Staphylococcus cell, yeast cell, red blood cell, squamous epithelial cell C. Ebola virus, yeast cell, Rhinovirus, red blood cell, Staphylococcus cell, squamous epithelial cell D. Ebola virus, Rhinovirus, yeast cell, Staphylococcus cell, red blood cell, squamous epithelial cell