Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
Koch's work involving anthrax was significant because it was the first time __________. A.anthrax had been discovered in humans B. a bacterium had been proven to cause a disease C. bacteria had been grown in a laboratory D.bacteria had been seen in a microscope |
B. a bacterium had been proven to cause a disease |
|
|
Which of the following is NOT an example of a fungus? A. mushrooms B. molds C. algae D. yeasts |
C. algae |
|
|
Microbiologists study parasitic worms because __________. A. they usually contain bacteria and other microbes B. they were not studied by early microbiologists C. they cause diseases that are diagnosed by finding microscopic eggs in clinical specimens D.they are microscopic as adults |
C. they cause diseases that are diagnosed by finding microscopic eggs in clinical specimens |
|
|
Which of the following is NOT an example of a fungus? A.algae B. molds C. yeasts D. mushrooms |
A. algae |
|
|
Which of the following are paired INCORRECTLY? A. Gram: cholera B. Ehrlich: syphilis C. Jenner: smallpox D. Koch: anthrax |
A. Gram: cholera |
|
|
Put the following steps of Koch's postulates in order: a. The suspected infectious agent must be isolated and grown outside the host. b. The suspected infectious agent causes the disease when it is introduced to a healthy, experimental host. c. The suspected infectious agent must be found in every case of the disease. d. The suspected infectious agent must be found in the diseased experimental host. |
C, A, B, D |
|
|
What did the work of Lister and Ehrlich have in common? A. They both discovered the bacterial causes of important infectious diseases. B. They both explored the use of chemicals in the prevention and treatment of infectious diseases. C. They both demonstrated the importance of cleanliness in the prevention of disease. D. They both examined the role of microbes in fermentation. |
B. They both explored the use of chemicals in the prevention and treatment of infectious diseases. |
|
|
Which of the following techniques could be used to produce a yeast capable of making viral proteins? A. gene therapy B. genome sequencing C. recombinant DNA technology D. bioremediation |
C. recombinant DNA technology |
|
|
Which of the following is found in nucleic acids? A. peptide bonds B. ß-sheets C. ionic bonds D. purines E. disulfide bridges |
D. purines |
|
|
All of the following bases are found in RNA molecules EXCEPT A. cytosine. B. uracil. C. thymine. D. adenine. E. guanine. |
C. thymine. |
|
|
The "spine" of the DNA molecule is composed of A. phosphates B. nitrogenous bases. C. alternating phosphates and pentoses. D. amino acids E. pentoses. |
C. alternating phosphates and pentoses. |
|
|
All of the following are associated with ATP molecules EXCEPT A. three phosphate groups B. a long-term energy supply. C. a recyclable energy supply. D.high-energy bonds. E. formation of coenzymes. |
B. a long-term energy supply. |
|
|
Lipids found in the membranes of all eukaryotic cells are A. triglycerides. B. phospholipids. C. waxes. D. polyunsaturated fats. |
B. phospholipids. |
|
|
A protein is a __________ of amino acids. A. solution B. decomposition product C. bilayer D. monomer E. polymer |
E. polymer |
|
|
Some viruses have a genome consisting of double-stranded RNA. How could you distinguish between the genome of this virus and a virus containing double-stranded DNA? A. The double-stranded DNA genome could not be distinguished from double-stranded RNA due to their extreme similarity. B. The double-stranded DNA viral genome would be longer. C. Analysis of the genome sequence would reveal different nitrogenous bases in the RNA virus as compared to the DNA virus. D. Structural analysis would reveal phosphate linkages between the sugar groups of DNA virus genomes, but not in RNA viruses. |
C. Analysis of the genome sequence would reveal different nitrogenous bases in the RNA virus as compared to the DNA virus. |
|
|
If an arrow were drawn between "DNA" and "mRNA," which of the following would be the best label? A. is transcribed into B. is translated into C. is modified into D. is bound to |
A. is transcribed into |
|
|
DNA and RNA share which of the following characteristics? A. Both have the same type of sugar backbone. B. Both contain uracil. C. Both are made, in part, of nitrogenous bases and sugars. D. Both are double stranded. |
C. Both are made, in part, of nitrogenous bases and sugars. |
|
|
The monomer of a nucleic acid is called a(n) ________. |
nucleotide |
|
|
What is the common trait of ALL lipids? A. They form bilayers. B.They are used for energy storage. C. They have atoms linked by nonpolar covalent bonds. D. They contain fatty acids. |
C. They have atoms linked by nonpolar covalent bonds. |
