Fimbriae and pili differ in that
A) there are only one or two pili per cell.
B) pili are used for motility.
C) pili are used to transfer DNA.
D) pili are used for transfer of DNA and motility.
E) pili are used for attachment to surfaces.
D
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What evolutionary force is definitely not responsible for generating the obvious differences between races?
A. genetic drift B. natural selection C. sexual selection D. gene flow
____ tissue consists of fibroblasts, has cells surrounded by a calcium matrix, and works with other tissues to move the
body.
a. Bone b. Cartilage c. Tendon d. Cardiac e. Loose connective
During what time of the day would the most hydrogen bonds reform between water molecules in a lake?
A) in the late morning B) at noon C) in the late afternoon D) at night
How does fungal mitosis differ from animal mitosis?
A. Fungi only undergo meiosis, true mitosis is only found in animals. B. Cytokinesis only occurs in fungal mitosis. C. The nuclear envelope remains intact in fungal mitosis. D. The spindle apparatus is unique to fungal mitosis.