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Bio Chapter 4 Quiz

QuestionAnswer
When viewing a specimen through a light microscope, scientists use ________ to distinguish the individual components of cells. a. a beam of electrons b. radioactive isotopes c. special stains d. high temperatures c. special stains
The ________ is the basic unit of life. a. organism b. cell c. tissue d. organ b. cell
Prokaryotes depend on _______ to obtain some materials and to get rid of wastes. a. ribosomes b. flagella c. cell division d. diffusion d. diffusion
Bacteria that lack fimbriae are less likely to ________. a. adhere to cell surfaces b. swim through bodily fluids c. synthesize proteins d. retain the ability to divide a. adhere to cell surfaces
Which of the following is surrounded by two phospholipid bilayers? a. the ribosomes b. the vesicles c. the cytoplasm d. the nucleoplasm c. the nucleoplasm
Peroxisomes got their name because hydrogen peroxide is: a. used in their detoxification reactions b. produced during their oxidation reactions c. incorporated into their membranes d. a cofactor for the organelles' enzymes b. produced during their oxidation reactions
In plant cells, the function of the lysosomes is carried out by _________. a. vacuoles b. peroxisomes c. ribosomes d. nuclei a. vacuoles
Which of the following is found both in eukaryotic and prokaryotic cells? a. nucleus b. mitochondrion c. vacuole d. ribosomes d. ribosomes
Which of the following is not a component of the endomembrane system? a. mitochondrion b. golgi apparatus c. endoplasmic reticulum d. lysosome a. mitochondrian
The process by which a cell engulfs a foreign particle is known as: a. endosymbiosis b. phagocytosis c. hydrolysis d. membrane synthesis b. phagocytosis
Which of the following is most likely to have the greatest concentration of smooth endoplasmic reticulum? a. cell that secretes enzymes b. a cell that destroys pathogens c. a cell that makes steroid hormones d. a cell that engages in photosynthesis c. a cell that makes steroid hormones
Which of the following sequences correctly lists in order the steps involved in the incorporation of a proteinaceous molecule within a cell? studystack won't let me write all the answers they're so long c. synthesis of the protein on the ribosome; modification in the endoplasmic reticulum; tagging in the Golgi; distribution via the vesicle
Which of the following have the ability to disassemble and reform quickly? a. microfilaments and intermediate filaments b. microfilaments and microtubules c. intermediate filaments and microtubules d. only intermediate filaments b. microfilaments and microtubules
Which of the following do not play a role in intracellular movement? a. microfilaments and intermediate filaments b. microfilaments and microtubules c. intermediate filaments and microtubules d. only intermediate filaments d. only intermediate filaments
Which of the following are found only in plant cells? a. gap junctions b. desmosomes c. plasmodesmata d. tight junctions c. plasmodesmata
The key components of desmosomes are cadherins and ____________. a. actin b. microfilaments c. intermediate filaments d. microtubules c. intermediate filaments
Created by: mortehay000
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