As a budding basic scientist you work in a research laboratory and discover a chemical that removes the cell wall from bacteria but leaves the organism undamaged otherwise. Things that the bacteria will lose because of this include:
a. The ability to move
b. The ability to attach to other cells
c. The ability to metabolize
d. The ability to use oxygen
e. The ability to have a gram stain result
Answer: e. The ability to have a gram stain result
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Which of the following tissue types are attached to a basal lamina or basement membrane?
A. nervous B. muscular C. epithelial D. connective E. cartilaginous
Answer the question using the accompanying figure. According to the graph, which biomes are defined by a mean
annual precipitation under 50 cm?
a. tropical forest, desert, and savanna b. temperate deciduous forest, savanna, and tropical forest c. boreal forest, temperate deciduous forest, and tundra d. desert, tundra, and chaparral e. desert, tundra, and grassland
What do binary fission and mitosis have in common?
a. They both occur in prokaryotic cells. b. They both occur in plant cells. c. They both require DNA replication before cell division. d. They have nothing in common.
One of the major causes of panda bears becoming
endangered is a. habitat loss and fragmentation. b. increasing the effects of chemical pollution. c. a sexually transmitted disease that plagues the bears. d. introduced exotic species into a habitat. e. all of these.