Spontaneous generation is the belief that
A. germs cause infectious diseases.
B. microbes placed in an infusion can grow in it.
C. microbes are diverse and ubiquitous.
D. aseptic techniques reduce microbes in medical settings.
E. living things arise from nonliving matter.
Answer: E
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What can you do to possibly retrieve the gold-making gene from the dead Golden bacteria?
You discover a bacteria species in a deep ocean sample that can turn olive oil into pure gold. The bacteria do not replicate well at sea level, and one night all of your "Golden" bacteria die. A. Transform a live bacterial strain with the Golden bacteria's DNA. B. Transduce a live bacterial strain with the Golden bacteria's DNA. C. Conjugate a live bacterial strain with the Golden bacteria. D. Transduce the Golden bacteria and then infect a live strain of bacteria with the transducing virus. E. There is nothing you can do because the cells are dead. You will have to search the ocean and hope to find the elusive bacteria again.
One goal of pedigree analysis is to determine ____
a. what diseases a family will display b. if two people are related c. gene loci d. whether a gene has a dominant or recessive pattern of inheritance e. what treatment a person should undergo
How was disproving spontaneous generation associated with developing principles important to microbiology?
a. Pasteur's experiments with swan-necked flasks supported the concept that microbes in the air were responsible for contaminating nonliving matter. b. Proving spontaneous generation confirmed the existence of microbes. c. Spallanzani disproved spontaneous generation through his experiment, in which flasks of meat broth were boiled and then melted shut, preventing the passage of air altogether. d. Needham disproved spontaneous generation through his experiments, in which boiled flasks of broth, when covered, became cloudy, teeming with microorganisms after a few days.
How many potential reading frames are there in a 1500-bp segment of double-stranded DNA?
A) 4 B) 6 C) 5 D) 1 E) 2