In nature, bacteria
A. often grow in close association with many other kinds of organisms.
B. may remain in a prolonged exponential phase.
C. frequently synthesize structures such as slime layers.
D. may adhere to surfaces by means of pili and slime layers.
E. All of the choices are correct.
E
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There are two different mating types in the yeast Saccharomyces cerevisiae, and they can switch from one type to another
Indicate whether the statement is true or false.
Fossils
a. are found in underground layers of rock. b. are distributed underground, with the oldest forms near the top. c. have more complex structures the deeper they are buried. d. are the same throughout the world no matter where they are found. e. that are most like living organisms are found deepest in the ground.
The presence of ________ can be used to distinguish Staphylococcus from other Gram-positive cocci
A) enterotoxins B) catalase enzyme C) protein M D) kinases E) hemolysins
What common life characteristic would cells from a daisy, bacteria, and a dog all have?
A. organs B. DNA C. ability to conduct photosynthesis D. cell walls