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12 Cards in this Set

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  • Back
Which of the following is true about fungi?
a. all are prokaryotic
b. all are multicellular
c. all require organic material for growth
d. all grow using sunlight and carbon dioxide
e. all are plants
e. all are plants
The type of bond between molecules of water in a beaker of water is:
a. an ionic bond
b. a covalent bond
c. a hydrogen bond
d. an oxygen bond
e. none of the above
c. a hydrogen bond
The counterstain in the acid-fast stain is
a. a basic dye
b. an acid dye
c. a negative stain
d. mordant
e. necessary to determine acid fast cells
a. a basic dye
The best definitions of osmotic pressure is the:
a. movement of solute molecules from a hight to a lower concentration
b. force from which a solvent moves across a semipermeable membrane from a higher to a lower concentration.
c. movement of a substance across a semipermeable membrane from a higher to a lower concentration.
d. active transpert of a substance out of a cell to maintain equilibrium.
e. movement of solute molecules from a lower to a higher concentration across a semipermeable membrane
b. force from which a solvent moves across a semipermeable membrane from a higher to a lower concentration.
How may molecules of ATP can be generated from the complete oxidation of glucose to CO2 and H2O?
a. 2
b. 4
c. 34
d. 38
3. 76
d. 38
A culture medium consisting of agar, human blood, and beef heart is a _________ medium.
a. chemically defined
b. complex
c. selective
d. differential
e. reducing
b. complex
Which of the following substances can sterilize?
a. Alcohol
b. Phenolics
c. Ethylene oxide
d. Chlorine
e. Soap
c. Ethylene oxide
Which of the following is not a product of transcription?
a. A new strand of DNA
b. rRNA
c. tRNA
d. mRNA
e. none of the above; all of the above are products of transcription
a. A new strand of DNA
A colleague has used a computer modeling t design and improved enzyme. To produce this enzyme, the next step is:
a. To look for a bacterium that makes the improved enzyme
b. To mutate bacteria until one makes the improve enzyme
c. to determine the nucleotide sequence for the improved enzyme.
d. To synthesize the gene for improved enzyme
e. none of the above; the enzyme cannot be produced.
c. to determine the nucleotide sequence for the improved enzyme.
All of the following are true about members of the Kingdom Plante except they:
a. are multicellular
b. have eukaryotic cells
c. can photosynthesize
d. use organic carbon sources
e. use inorganic energy sources
d. use organic carbon sources
Stapyliococcus & Streptococcus can be differentiated in a laboratory by which one of the following?
a. Cell shape
b. Gram stain reaction
c. Growth in high salt concentrations
d. ability to cause disease
e. none of the above
c. Growth in high salt concentrations
Fungi, more often than bacteria, are responsible for decomposition of plant material because they:
a. are aerobic
b. can tolerate low-moisture conditions
c. prefer a neutral environment (pH7)
d. have a fermentative metabolism
e. cannot tolerate high osmotic pressure
b. can tolerate low-moisture conditions