Pili may do four of the following. Which is the exception?
a. They help cells attach to surfaces.
b. They function in conjugation.
c. They extend from the cell surface.
d. They can be transferred between cells.
e. They function in cell locomotion.
ANSWER: d
You might also like to view...
Plants lacking well-developed conducting systems such as mosses, liverworts, and hornworts have been called
A. gametophytes. B. sporophytes. C. angiosperms. D. gymnosperms. E. bryophytes.
Which of the following is NOT a descendent
of stem reptiles?
a. mammals b. birds c. snakes d. fish e. all of these are descendents of stem reptiles
Purple loosestrife, Lythrum salicaria, is a beautiful, long-stemmed wetlands species brought to the United States from Europe as an ornamental plant
In the United States, it has no predators and crowds out cattails, Typha latifolia, another wetlands plant that's a valuable resource for many species. Purple loosestrife is an example of A) an introduced species. B) a parasite. C) a predator. D) overexploitation.
The class decided to humanely euthanize the organism and subsequently dissect it. Having decided that it was probably not a reptile, two of their original hypotheses regarding its identity remained
Which of the following, if observed, should help them arrive at a conclusive answer? A) presence of moist, highly vascularized skin B) presence of lungs C) presence of a nerve cord D) presence of a digestive system with two openings