Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Biology 1
| Question | Answer |
|---|---|
| Sara would like to film the movement of chromosomes during cell division. Her best choice for a microscope would be a ____ A) light microscope, because of its resolving power B) transmission electron microscope, because of its magnifying power C) scannin | A) light microscope |
| Cell fractionation is the most appropriate procedure for preparing ____ for study. A) isolated cells that are normally found tightly attached to neighboring cells B) cells without a functional cytoskeleton C) isolated organelles D) the basic macromolecule | C) isolated organelles |
| A magnified picture of the detailed architecture of cell surfaces can best be obtained from a__? A) scanning electron microscope B) transmission electron microscope C) light microscope D) magnifying glass E) none of the above | B) transmission electrons microscope |
| The term "resolving power" refers to which of the following? A) the apparent increase in the size of an object B) the source of the illumination C) the depth of focus D) the clarity of the image in showing two objects as separate E) the type of cell being | |
| A normal size range for a typical eukaryotic cell is _____. A) 0.1 nanometers B) 10 nanometers C) 100 nanometers D) 1â10 micrometers E) 10â100 micrometers | |
| What do limits on maximum cell size depend on? A) the number of organelles B) surface-to-volume ratio C) number of surrounding cells D) amount of DNA in the nucleus E) thickness of the cell membranes | |
| Which of the following structures cannot be found in prokaryotic cells? A) flagella B) cell membranes C) mitochondria D) ribosomes E) RNA | |
| Microscopes have been especially important in cytology, which is the study of ____________. A)cell structure B)cellular metabolism C)molecular genetics D)energetics of cells E) none of the above | |
| To enter or leave a cell, substances must pass through _____. a a microtubule b the Golgi apparatus c a ribosome d the nucleus e the plasma membrane | E) plasma membrane |
| Which of the following would NOT be considered part of a cell's cytoplasm? A) a ribosome B) the nucleus C) a mitochondrion D) a microtubule E) fluid between the organelles | |
| Bacterial cells are prokaryotic; unlike a typical eukaryotic cell they _____. a lack a nucleus âb have a smaller nucleus c lack a plasma membrane d have fewer internal membranous compartments e have a greater variety of organelles | |
| The maximum size of a cell is limited by _____. A) its need for enough surface area to make exchanges with its environment B) the number of organelles that can be packed inside C) the materials needed to build it D) the amount of flexibility it needs to b | |
| A certain cell has mitochondria, ribosomes, smooth and rough endoplasmic reticulum, and other parts. Based on this information, it could NOT be _____. a a cell from a pine tree b a grasshopper cell c a yeast (fungus) cell d a bacterium e actual | |
| Which of the following are found in prokaryotic cells? A) Golgi bodies B) mitochondria C) nucleoli D) enzymes E) all of the above | |
| Which of the following features do prokaryotes and eukaryotes have in common? A) mitochondria, cytoplasm, plasma membrane B) ribosomes, plasma membrane, cytoplasm C) nucleus, plasma membrane, ribosomes D) mitochondria, ribosomes, cytoplasm E) ribosomes, | |
| What is the function of the nucleolus? A) to contain the hereditary blueprint of the cell B) to modify substances made on the endoplasmic reticulum C) to organize the spindle fibers for cell division D) to provide materials for the synthesis of ribosomes | |
| Most of the DNA in a eukaryotic cell is in _____. A)the cytoskeleton B)the mitochondria C)the endomembrane system D)the cytoplasm E)the nucleus | |
| Of the following organelles, which group is involved in manufacturing the substances needed by the cell? A)lysosome, vacuole, ribosomes B)ribosome, rough endoplasmic reticulum, smooth endoplasmic reticulum C)vacuole, rough endoplasmic reticulum, smooth | |
| Which one of the following organelles would be especially abundant in the pancreatic cells that produce digestive enzymes? a. rough endoplasmic reticulum b. smooth endoplasmic reticulum c. lysosomes d. microfilaments e. mitochondria | |
| In muscle cells the ____ is/are specialized for the storage and release of calcium. A) mitochondria B) smooth endoplasmic reticulum C) the Golgi apparatus D) contractile vacuoles E) rough endoplasmic reticulum | |
| A plant cell was grown in a test tube containing radioactive nucleotides, the parts from which DNA is built. Later examination of the cell showed the radioactivity to be concentrated in the _____. A) rough endoplasmic reticulum B) peroxisome C) smooth end | |
| A) the apparent increase in the size of an object | |
| C) 100 nanometers | |
| C) mitochondria | |
| A) cell structure | |
| B) nucleus | |
| E) have a greater variety of organelles | |
| A) itâs need for enough surface area to make exchanges with its environment | |
| D) a bacterium | |
| E) all of the above | |
| B) ribosomes, plasma membrane, cytoplasm | |
| A) to contain the hereditary blueprint of the cell | |
| E) the nucleus | |
| B) ribosomes, rough and smooth endoplasmic reticulum | |
| C) lysosomes | |
| B) smooth endoplasmic reticulum | |
| E) nucleus | |
| When isolated liver cells are combined with toxins, initial processing in the __increases the solubility of those compounds as an initial step in their excretion. A)smooth endoplasmic reticulum B)Golgi apparatus C)mitochondrion D)rough endoplasmic reticul | A) smooth endoplasmic reticulum |
| The rough endoplasmic reticulum can be considered to be in which general category of organelle? A)breakdown B)energy-processing C)manufacturing D)support between cells E)communication between cells | C) manufacturing |
| Membrane proteins are synthesized by ribosomes that are attached to _____. A)the Golgi apparatus B)mitochondria C)the nucleolus D)the endoplasmic reticulum E)lysosomes | D) the endoplasmic reticulum |
| Prokaryotic-type ribosomes are NOT associated with _____. A)rough endoplasmic reticulum B)bacterial cells C)plastids D)mitochondria E)any of these | A) rough endoplasmic reticulum |
| You would expect a cell with an extensive Golgi apparatus to _____. A)make a lot of ATP B)secrete a lot of material C)move actively D)perform photosynthesis E)store large quantities of food | B) secrete a lot of material |
| A researcher made an interesting observation about a protein made by the rough endoplasmic reticulum and eventually used to build a cell's plasma membrane. The protein in the membrane was actually slightly different from the protein made in the ER. The p | A) Golgi apparatus |
| Which one of the following is the most likely consequence for a cell lacking functional lysosomes? A The cell becomes crowded with undegraded wastes. B)The cell dies because its ATP-synthesizing I mechanisms are missing. C)The cell dies from a lack of en | C) the cell dies from a lack of enzymes to catalyze metabolic reaction |
| Lysosomes are derived from _____________ and function in _____________. (p. 121) A)mitochondria ... anaerobic respiration B)the Golgi apparatus and rough endoplasmic C)reticulum ... digestion of worn-out organelles B)Microtubule organizing centers ... st | B) the Golgi apparatus and rough endoplasmic |
| Which of the following statements describes the function of the contractile vacuole? It contains trapped bacteria to be digested by the lysosomes. A)It contains the cell sap. B)It eliminates excess water from the cytoplasm of freshwater protists. C)it con | B) it eliminates excess water from the cytoplasm of freshwater protist |
| Mitochondria and chloroplasts have several common features; for example, _____. a. both are capable of semiautonomous growth and reproduction b. neither are components of the endomembrane system c. each contains a small amount of DNA d. each organelle sy | |
| What are the inner folds of the mitochondria called?A)cristae B) matrix C) stroma D) grana E) tubules | |
| The purpose of cellular respiration is the production of which of the following? A)ATP B)oxygen C)carbon dioxide D)glucose E) all of the above | |
| Chloroplasts are found in _____. A)plant cells only B)animal cells only C)both plant cells and animal cells D)neither plant cells nor animal cells E)animal cells and bacterial cells but not in plant cells | |
| Mitochondria appear in the greatest numbers in cells that are _____. A)reproducing B)metabolically active C)dead D)metabolically inactive E)undergoing cell division | |
| Which cellular organelle is required for photosynthesis in eukaryotic cells? A)chloroplast B)nucleus C)chromoplast D)Golgi apparatus E)mitochondrion | |
| Mitochondria and chloroplasts are similar in that they both ____; they are different in that chloroplasts, but not mitochondria, ___. a. have a double membrane ... carry out photosynthesis b. have many internal membranes that increase their internal surfa | |
| Three or four of the following cellular organelles possess membranes. Which one, if any, doe NOT possess membranes? If all the listed organelles possess differentially permeable membranes, choose answer (5). A)nucleus B)chloroplasts C)mitochondria D)lysos | |
| The internal skeleton of a cell is composed of _____. A)microtubules, intermediate filaments, and microfilaments B)cellulose and intermediate filaments C)cellulose, microtubules, and centrioles D)microfilaments E)microfilaments and cellulose | |
| When elongated, tube-shaped cells from the lining of the intestine are treated with a certain chemical; the cells sag and become round blobs. The internal structures disrupted by this chemical are probably _____. A)cell junctions B)microtubules C)rough e | |
| What characteristic or characteristics are shared by plant cells but not by animal cells? A)cell walls B)chloroplasts C)central vacuoles D)lack of a centriole E)all of the above | |
| The protein actin is an example of a(n) _____. A)intermediate filament B)microtubule C)tubulin D)microfilament E)organelle | B) microtubule |
| Cilia and flagella move due to energy provided by the enzymatic breakdown of ATP by which of the following? a. actin b. pseudopodia c. basal bodies d. myosin e. dynein | |
| Where would you expect to find contractile proteins in a cell? A)lysosomes B)cytoskeleton C)nucleus D)smooth endoplasmic reticulum E)chloroplasts | |
| Basal bodies are most closely associated with which one of the following cell components? A)bacterial flagella B)mesosomes C)cilia D)the central vacuole E)mitochondria | |
| Dye injected into a plant cell might be able to enter an adjacent cell through a _____. A)tight junction B)microtubule C)desmosome D)plasmodesma E)gap junction | |
| The cell junctions in plant cells that provide channels between adjacent cells are generally _____. A)anchoring junctions B)communicating junctions C)plasmodesmata D)tight junctions E)synapses | |
| Your intestine is lined with individual cells. No fluids leak between these cells from the gut into your body. Why? A(The intestinal cells are fused together into one giant cell. B)The intestinal cells are bound together by plasmodesmata. C)The intestinal | |
| Which one of the following structures is directly involved in the passage of electrical signals between cells as, for example, in the vertebrate heart? A)gap junctions B)chemical synapses C)desmosomes D)tight junctions E)neuromuscular junctions | |
| You would expect to find __________ as an important part of a __________, the function of which is to ____ a. gap junctions ... middle lamella ... export hydrogen ions from a chloroplast b. actin F ... microtubule ... maintain membrane fluidity c. tonofil | |
| C) each contains a small amount of DNA | |
| A) cristae | |
| A) ATP | |
| A) plants cells only | |
| B) metabolically active | |
| A) chloroplast | |
| A) have a double membrane...carry out photosynthesis | |
| E) all of the above | |
| A) microtubules, intermediate filaments and microfilaments | |
| B) mitochondria | |
| E) all of the above | |
| E) dynein | |
| B)cytoskeleton | |
| C) cilia | |
| D) plasmodesma | |
| C) plasmodesma | |
| C) the intestinal cells are bound together by tight junction | |
| A) gap junctions |
Created by:
Kersaint4