A medically important protozoan is:
a) Staphlococcus aureus
b) Giardia lamblia
c) Candida albicans
d) Clostridium tetani
Answer: b) Giardia lamblia
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Which taxonomic tool would scientists use if they wanted to determine if an outbreak of food poisoning was caused by a particular strain of a pathogen?
A) fluorescence in situ hybridization B) DNA:DNA hybridization C) multilocus sequence typing D) fatty acid methyl ester analysis
When considering evolution, structures of present-day organisms that have the same function but did not develop from the same ancestral structure are said to be ________
Fill in the blank(s) with correct word
When creating transgenic animals, as contrasted with the creation of transgenic bacteria,
a. it is necessary to carry out the procedure completely by hand. b. animals need donor eggs to contain the genetic material, while bacteria can have the new genes inserted into any bacterial cell. c. transgenic animals can be created in large numbers, while bacteria must be created one at a time to control contamination. d. the membranes of the bacteria must be disrupted to allow the genes to be taken up into the cell and animals do not require the host cell membrane to be disrupted. e. the membranes of the animal cell must be disrupted to allow the genes to be taken up into the cell and bacteria do not require the host cell membrane to be disrupted.
All lipids are:
A) triglycerides. B) not soluble in water. C) polar. D) hydrophilic. E) polymers of fatty acids.