What benefit does the symbiosis between V. fisheri and the bobtail squid provide the squid?
A. Better able to see its prey at night
B. Reserve food storage
C. Better buoyancy
D. Eliminates shadow to avoid predators
Ans: D. Eliminates shadow to avoid predators
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In the ___ cycle, the lambda bacteriophage's DNA ____. Select all correct choices
A. lytic; hijacks the cell to create more viruses B. lytic; recombines with bacterial DNA and is passed on to subsequent bacterial cells C. lysogenic; hijacks the cell to create more viruses D. lysogenic; recombines with bacterial DNA and is passed on to subsequent bacterial cells
Although they have a diversity of structures, all members of this group of organic molecules are
primarily nonpolar and thus water-insoluble.
a. proteins b. lipids c. nucleic acids d. carbohydrates e. amino acids
A chemical agent that kills pathogenic microbes in general is a(n)
A. sanitizer. B. germicide. C. disinfectant. D. fungicide. E. antiseptic.
A somatic cell is:
a. a body cell that is responsible for growth and maintenance. b. a cell specialized for reproduction. c. one of the cells producing spores in slime mold fruiting bodies. d. has four membranes around it.