What initiates the formation of an endospore?

A) stimulus to reproduce
B) transfer of genetic material
C) injury to the cell
D) depletion of nutrients


Ans: D) depletion of nutrients

Biology & Microbiology

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If a single stranded RNA virus contains genomic RNA that is complementary to the mRNA that it produces, what type of virus is this categorized as? 

A. Minus Strand or Negative Strand is acceptable. B. Plus Strand C. Positive Strand D. Negative Strand E. Minus Strand

Biology & Microbiology

Which of the following segments of the mammalian nephron receives the filtrate first?

a. distal convoluted tubule b. Bowman's capsule c. descending segment of the loop of Henle d. proximal convoluted tubule e. ascending segment of the loop of Henle

Biology & Microbiology

If a single DNA molecule is amplified by PCR, how many DNA molecules will exist after FIVE cycles?

A) 6 B) 8 C) 10 D) 32 E) 64

Biology & Microbiology

In performing a ten-fold dilutions series from a sample containing 10,000 bacteria per milliliter, the fourth tube in the dilution series will have 10 cells per milliliter

Indicate whether the statement is true or false

Biology & Microbiology