Cells sample questions

Question: ________ microscopy involves the use of dyes that must be exposed to UV light. Electron Bright field Phase-contrast Fluorescent Dark field

________ microscopy involves the use of dyes that must be exposed to UV light. Electron Bright field Phase-contrast Fluorescent Dark field Correct Answer: Fluorescent

Question: “Bacteria” is a ________ name. Species Family Domain Genus Phylum

“Bacteria” is a ________ name. Species Family Domain Genus Phylum Correct Answer: Domain

Question: There is no cell that lacks this structure: Cytoplasmic membrane Nucleus Mitochondrion Golgi Peptidoglycan

There is no cell that lacks this structure: Cytoplasmic membrane Nucleus Mitochondrion Golgi Peptidoglycan Correct Answer: Cytoplasmic membrane

Question: Which of the following is evidence that supports the endosymbiotic theory? DNA structure in the mitochondria and chloroplasts The mitochondria and chloroplasts do not contain ribosomes The mitochondria and chloroplasts have cell walls that contain peptidoglycan Mitochondria are phylogenetically related to alpha-proteobacteria

Which of the following is evidence that supports the endosymbiotic theory? DNA structure in the mitochondria and chloroplasts The mitochondria and chloroplasts do not contain ribosomes The mitochondria and chloroplasts have cell walls that contain peptidoglycan Mitochondria are phylogenetically related to alpha-proteobacteria None of the answers are correct Correct Answer: DNA structure in the mitochondria and chloroplasts

Question: The endosymbiotic theory posits that which eukaryotic organelle arose from a bacterial cell being engulfed by a larger archaeal cell? Ribosome Mitochondria Nucleus Flagella Polypeptides

The endosymbiotic theory posits that which eukaryotic organelle arose from a bacterial cell being engulfed by a larger archaeal cell? Ribosome Mitochondria Nucleus Flagella Polypeptides Correct Answer: Mitochondria

Question: True or False: Protozoa are in the domain Eukarya. True False

True or False: Protozoa are in the domain Eukarya. True False Correct Answer: True

Question: True or False: “Halophilic” bacteria always live in very hot environments. True False

True or False: “Halophilic” bacteria always live in very hot environments. True False Correct Answer: False

Question: True or False: The human body has as many or more bacterial cells associated with it than human cells. True False

True or False: The human body has as many or more bacterial cells associated with it than human cells. True False Correct Answer: True

Question: True or False: A red blood cell is visible under a light microscope. True False

True or False: A red blood cell is visible under a light microscope. True False Correct Answer: True

Question: True or False: The primary structure of a protein refers to its sequence of amino acids. True False

True or False: The primary structure of a protein refers to its sequence of amino acids. True False Correct Answer: True

Question: True or False: The glycocalyx is the outermost boundary for both eukaryotic and prokaryotic microbial cells. True False

True or False: The glycocalyx is the outermost boundary for both eukaryotic and prokaryotic microbial cells. True False Correct Answer: True

Question: True or False: Prokaryotes have membrane-bound organelles. True False

True or False: Prokaryotes have membrane-bound organelles. True False Correct Answer: False

Question: True or False: Protozoa are microorganisms. True False

True or False: Protozoa are microorganisms. True False Correct Answer: True

Question: True or False: An Ebola virus is visible under an electron microscope. True False

True or False: An Ebola virus is visible under an electron microscope. True False Correct Answer: True

Question: True or False: Water molecules are nonpolar molecules. True False

True or False: Water molecules are nonpolar molecules. True False Correct Answer: False

Question: True or False: All proteins have tertiary structure. True False

True or False: All proteins have tertiary structure. True False Correct Answer: True

Question: True or False: Plants likely generated the oxygen portion of the earth’s atmosphere. True False

True or False: Plants likely generated the oxygen portion of the earth’s atmosphere. True False Correct Answer: True

Question: True or False: All other things being equal, a larger numerical aperture on a lens would result in better resolution (i.e., smaller limit of resolution). True False

True or False: All other things being equal, a larger numerical aperture on a lens would result in better resolution (i.e., smaller limit of resolution). True False Correct Answer: True

Question: Which of the following methods of transport into a cell requires an input of energy? simple diffusion facilitated diffusion active transport

Which of the following methods of transport into a cell requires an input of energy? simple diffusion facilitated diffusion active transport Correct Answer: active transport