Which of the following statements regarding mycoplasmas is FALSE?
A) They are low G + C content bacteria.
B) They stain Gram positive.
C) They are pleomorphic.
D) They exhibit a "fried egg" appearance on solid media.
E) They are the smallest free-living cells.
B
You might also like to view...
You discover a new species of ape that looks like a gorilla but walks upright. How would you change the phylogeny above?
A. no change, because only molecular data are considered when studying evolutionary relationships B. no change until a fossil of the new species is found because fossil evidence is a required component of the data set C. I would group gorillas with humans based on the synapomorphy (shared trait) of upright walking. D. I would branch the gorilla lineage and add the new species with the defining trait "upright stance".
Which definition below is the best definition for probability?
A. The number of times a coin is flipped B. The number of times homozygotic recessives appear through successive generations of a family as compared to heterozygotes C. The chance that an outcome will occur in the future D. The frequency at which homozygous recessive traits are seen in an individual mating
Air movement to the mammalian respiratory surfaces can be reduced when smooth muscle in the walls of the ____
a. epiglottis b. bronchioles c. large bronchi d. trachea e. aorta
The profundal zone is indicated by
a. A. b. B. c. C. d. D. e. none of these.