Question: A recently-developed mnemonic for remembering the taxonomic levels from Domain to Species is “Dumb Kids Prefer Candy Over Fancy Green Salad.” The word “candy” here is a reminder of the taxonomic level of _
Answer Options:
Class, Chain, Culture, Colony, Category
Answer: Class
Question: Which of the following is not one of the 3 domains of the phylogenetic system of classification?
Answer Options:
Bacteria, Archaea, Eukarya, Prokaryotes
Answer: Prokaryotes
Question: When assigning a scientific name to an organism,
Answer Options:
The species name is capitalized, Both genus and species names are italicized or underlined, Both genus and species names are capitalized, The species name can be abbreviated, The species name is placed first.
Answer: Both genus and species names are italicized or underlined
Question: Endospores are
Answer Options:
Resistant to heat and chemical treatments, Living structures, All of the choices are correct, Metabolically inactive, Resistant to destruction by radiation
Answer: All of the choices are correct
Question: Which of the following molecules diffuse freely across the cell membrane?
Answer Options:
Small uncharged molecules, Water, Water and small uncharged molecules, Large charged molecules
Answer: Water and small uncharged molecules
Question: Reverse transcriptase
Answer Options:
Synthesizes DNA from DNA, Synthesizes RNA from Protein, None of the above, Synthesizes DNA from RNA, Synthesizes DNA from Protein
Answer: Synthesizes DNA from RNA
Question: Lipopolysaccharide is an important cell envelope component of
Answer Options:
Mycoplasmas, Protoplasts, Gram-negative bacteria, Gram-positive bacteria, Acid-fast bacteria
Answer: Gram-negative bacteria
Question: Peptidoglycan is a unique macromolecule found in bacterial
Answer Options:
Cell walls, Slime layers, Capsules, Inclusions, Cell membranes
Answer: Cell walls
Question: The most immediate result of destruction of a cell’s ribosomes would be that
Answer Options:
Protein synthesis would stop, Sicagen inclusions would form, Holes would appear in the capsule, Material would not cross the cell membrane, The chromosome would unravel
Answer: Protein synthesis would stop.
Question: Which external structure protects bacteria from phagocytosis?
Answer Options:
Slime Layer, Fimbriae, Capsule, Cell membrane
Answer: Capsule
Question: The chromosome in bacteria
Answer Options:
Is located in the cell membrane, Forms a single linear strand of DNA, Contains all the cell’s plasmids, Is part of the nucleoid
Answer: Is part of the nucleoid
Question: The transfer of genes during bacterial conjugation involves rigid, tubular appendages called
Answer Options:
Sex pili, Flagella, Periplasmic flagella (axial filaments), Cilia, Fimbriae
Answer: Sex pili
Question: A bacterial genus that has waxy mycolic acid in the cell walls is
Answer Options:
Bacillus, Streptococcus, Mycobacterium, Mycoplasma, Corynebacterium.
Answer: Mycobacterium
Question: Select the type of sampling method that is less rigorous, less accurate, and less generalizable to the larger population.
Answer Options:
a. Probability sampling, b. Nonprobability sampling, c. Simple random sampling, d. Proportionate Stratified Random Sampling
Answer: b. Nonprobability sampling
Question: Which of the following is NOT a consideration when choosing sample size?
Answer Options:
a. Timeline, b. margin of error, c. confidence interval, d. age of participants
Answer: d. age of participants
Question: A scientific hypothesis is a:
Answer Options:
A. A question about the population that if contradictory to the null hypothesis allows researchers to reject the null hypothesis. B. A question of interest in the evaluation project or research study. It provides a clear and concise roadmap in which to focus the study. C. Is an “educated guess” based on prior observation, knowledge or experience that can be supported or refuted through observations or experiment. D. None of the answers are correct.
Answer: C. Is an “educated guess” based on prior observation, knowledge or experience that can be supported or refuted through observations or experiment.
Question: Generally researchers do not use a margin of error over:
Answer Options:
A. 10%, B. 5%, C. 1%, D. 20%
Answer: B. 5%
Question: Qualitative research is:
Answer Options:
a. a representation of numbers and symbols., b. words displayed in a numeric form, c. an interpretation of collected words., d. a synthesis of word and numbers.
Answer: c. an interpretation of collected words.
Question: The statistical risk that researchers are willing to accept when making the decision to fail to reject or reject the null hypothesis is called the:
Answer Options:
a. type of error, b. margin of error, c. level of significance, d. confidence interval
Answer: c. level of significance
Question: Which sampling method is commonly used researchers ask one individual to answer a survey, then ask that same individual to send the survey to another person who meets the inclusion criteria?
Answer Options:
a. Systematic sampling, b. Snowball sampling, c. Multi-stage sampling, d. Cluster sampling
Answer: b. Snowball sampling
Question: When researchers use both qualitative and quantitative research, the practice is called:
Answer Options:
a. combining methods., b. duo-methods approach, c. mixed-methods approach, d. It cannot be done.
Answer: c. mixed-methods approach
Question: Nonprobability sampling involves the application of strict criteria such that every individual in the population has a known chance of getting selected for the sample.
Answer Options:
True, False
Answer: False
Question: If a research null hypothesis is correct and researchers reject it, what has happened?
Answer Options:
A. Researchers have made a Type I error, B. Researchers have made the correct decision, C. Researchers have made a measurement error, D. Researchers have made a Type II error
Answer: A. Researchers have made a Type I error
Question: During an interview, researchers can add probing questions to gain more in-depth information as part of a qualitative research study.
Answer Options:
True, False
Answer: True
Question: Qualitative data results can be used to formulate research questions, and can also:
Answer Options:
a. lay the foundation for further research., b. predict and confirm ideas., c. generalize the results of other research., d. All of the above
Answer: a. lay the foundation for further research.
Question: The study of human experiences and interpretations of an occurrence within a population.
Answer Options:
a. Behavioral observation, b. Secondary data, c. Phenomenology, d. Ethnography
Answer: c. Phenomenology