Which of the following is (are) used to define the field of microbiology?
A. The size of the organism studied
B. The techniques in the study of organisms regardless of their size
C. Both the size of the microorganism studied and the techniques employed in the study of organisms regardless of their size.
D. Neither the size of the organism studied nor the techniques employed in the study of organisms regardless of their size.
Ans: C. Both the size of the microorganism studied and the techniques employed in the study of organisms regardless of their size.
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The oldest known plant is called King's holly. Why is it sterile? a. It has lost the female reproductive structures
b. It has no pollinator. c. It has three sets of chromosomes. d. It has lost the male reproductive structures. e. It has too many of the male and female reproductive structures.
The first step in the prevention of blood loss from an injured vessel is ____
a. platelet plug formation b. increased blood flow c. coagulation d. clot retraction e. vessel spasm
Most of the carbon on Earth is held in ____
a. sediments and rocks b. oceans c. soil d. atmosphere e. land biomass
Mutations of lacOC lead to attenuated expression of lac structural genes
Indicate whether the statement is true or false