The Mars rover Curiosity finds a living organism on the red planet. Scientists would know that it is eukaryotic and not prokaryotic if ________
A) it has membrane-bound organelles B) its diameter is 10 ?m
C) it has six internal membranes D) it has a cytoskeleton
Answer: A
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According to our text, increasing the share of household income controlled by women changes spending in ways that increase benefits to
A) children. B) men. C) pets. D) businesses.
In addition to S. aureus, impetigo may also involve
A. M. luteus. B. S. pyogenes. C. S. epidermidis. D. Pseudomonas spp.
Water molecules are polar with ends that exhibit partial positive and negative charges. These opposite charges allow water molecules to attract each other through:
A. ionic bonds. B. covalent bonds. C. hydrogen bonds. D. peptide bonds.
Put the following events in the proper order:i
Pollen tube develops. ii. Pollen grain lands on the stigma. iii. Sperm fertilizes the egg.
a. i, ii, iii b. i, iii, ii c. ii, i, iii d. iii, ii, i