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Multiple Choice Questions, Short Answer Questions and Essay Questions.
Typology: Exams
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MULTIPLE CHOICE QUESTIONS Note: More than one answer can be correct. Circle all correct answers.
What groups listed below have true cell walls? A. algae B. mycoplasmas C. Gram-positive bacteria D. fungi E. protozoans
Identify which statements are correct. A. All bacteria have peptidoglycan in their cell walls. B. All fungi have chitin in their cell walls. C. All algae have cellulose in their cell walls D. All protozoans have protein in their cell walls.
Which of the following characteristics do not occur in prokaryotic cells? A. cellular organization B. thylakoid membranes within chloroplasts C. oxygenic photosynthesis D. anaerobic respiration E. several circular chromosomes
The membrane of gas vesicles is composed of: A. triglycerides B. phospholipids C. proteins D. lipopolysaccharide E. hydrocarbons
Which of the following are not found in Cyanobacteria? A. thylakoids B. gas vesicles C. chloroplasts D. heterocysts E. endospores
Phagocytosis is not a characteristic of which groups? A. protozoans B. algae C. fungi D. Archaea E. Bacteria
A small molecule that combines with a specific allosteric protein so that both prevent RNA polymerase activity is called a(n): A. inducer B. repressor C. corepressor D. leader E. ATP
Rolling circle replication refers to: A. DNA replication in every prokaryotic cell division B. DNA transfer during conjugation C. mitosis D. meiosis
Hfr strains of bacteria: A. do not have an "F" (fertility) factor. B. have an "F" factor plasmid. C. have an "F" factor integrated in the bacterial chromosome. D. transfer the genetic information to other bacteria with high frequency
Match the following terms (1-6) with their respective meanings (A-F).
fermentation A. carbon from organic compounds
respiration B. carbon from CO 2
autotroph C. oxidative phosphorylation
lithotroph D. substrate-level phosphorylation
heterotroph E. energy from oxidation of inorganic compounds
phototroph F. energy from light The proper combination is: A. 1A-2B-3E-4F-5C-6D C. 1D-2C-3B-4E-5A-6F B. 1D-2C-3A-4B-5E-6F D. 1C-2A-3B-4E-5F-6D
What chemicals are responsible for the flavor and holes in Swiss cheese? A. lactate, oxygen B. propionic acid, carbon dioxide C. acetic acid, carbon dioxide D. ethanol, hydrogen E. butyric acid, hydrogen
Which of the following are not examples of a terminal electron acceptor in anaerobic respiration? A. nitrate B. hydrogen sulfide C. iron hydroxide D. H 2 E. sulfate
) in electron transport chains? A. They go into solution inside the cytoplasm. B. They are taken back by NAD and FAD. C. They are carried from cytochromes to oxygen to form water. D. They go into solution outside the cytoplasmic membrane.
ESSAY QUESTIONS Answer all parts of the following questions completely.