Answer the following questions true (T) or false (F)
1. When two things happen at the same time, that correlation indicates one factor is causing the other.
2. Hospital microbiologists routinely test isolated pathogens for their susceptibility to commonly prescribed drugs in order to share these susceptibility rates with the healthcare team to help them make informed decisions about antibiotic therapies.
3. Robert Hooke refined earlier versions of the microscope and became the first to see bacteria.
1. FALSE
2. TRUE
3. FALSE
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When X-linked traits are recessive,
A. males who express the trait receive the recessive allele from their mothers. B. males who express the trait receive the recessive allele from their fathers. C. males who express the trait must receive recessive alleles from both parents. D. males who express the trait carry the recessive allele on their X chromosome. E. males who express the trait receive the recessive allele from their mothers and carry the recessive allele on their X chromosomes.
Luria and Delbruck grew many liquid cultures of bacteria then spread a small sample of each culture on nutrient agar infused with bacteriophage in separate petri plates. They assayed the number of bacterial colonies that formed on each plate. What did the appearance of a bacterial colony on a petri plate indicate?
A) The bacterial colony was derived from one initial cell that was resistant to infection by the bacteriophage. B) The bacterial colony was made up of many cells that became resistant to bacteriophage infection independently. C) A colony formed when a bacterial cell was not resistant to bacteriophage infection. D) The bacterial cells that made up a colony were resistant to antibiotic.
Before the publication of Charles Darwin's On the Origin of Species, what was the prevailing public consensus regarding species evolution?
A) That species were permanent and unchanging B) That species evolved through physical changes that led to success C) That species evolved by means of natural selection D) That species were modified over time but did not change into new species
_________ completes the burning of glucose and breaking down of pyruvic acid to CO2.
A) Glycolysis B) The Calvin cycle C) The citric acid cycle D) The electron transport chain