Microbes that cause disease are referred to as ________
Fill in the blank(s) with correct word
pathogens
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Treponema pallidum, a bacterium associated with syphilis, is not considered a pathogen because to date it remains unculturable in the lab, and, therefore, Koch's postulates are unable to be fulfilled
Indicate whether the statement is true or false.
Asexual reproduction in plants results in:
A. increased genetic diversity. B. offspring that are genetically different from the parent(s). C. offspring that are genetically different from each other. D. offspring that are genetically identical to the parent. E. no production of offspring.
Which of the following are NOT found in any
prokaryotic cell? a. ribosomes b. membrane-bound organelles c. polysaccharide capsules d. cell walls e. flagella
Enzymes are required to help digest the four large macromolecules found in the foods we eat. Which of the following is not a true representation of the enzymes that digest these macromolecules?
A) Polysaccharides are hydrolyzed by pancreatic amylase to maltose, which is then hydrolyzed by maltase to form monosaccharides. B) Polysaccharides are hydrolyzed by nucleases to maltose, which is then hydrolyzed by lipase to form monosaccharides. C) Polypeptides are hydrolyzed by trypsin to small polypeptides, which are then hydrolyzed by peptidases to form amino acids. D) Fat globules are hydrolyzed by bile salt fat droplets, which are then hydrolyzed by lipase to form fatty acids and glycerol.