chap 3

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2 Which of the following are the smallest cells? A) human ovum B) red blood cell C) white blood cell D) smooth muscle cell: `
3 Two major parts of a cell are the nucleus and _____. A) membrane B) organelle C) reticulum D) mitochondrion: `
4 A ribosome is an example of a _____. A) nuclear membrane B) organelle C) inclusion D) protein: `
5 A cell membrane allows only needed substances to pass and is therefore called _____. A) permeable B) passive C) active D) selective: `
6 A human cell membrane is comprised of the following except which one? A) lipids B) proteins C) carbohydrates D) nucleic acids: `
7 The following terms belong together except which one? A) protein B) phospholipid C) hydrophilic ends D) hydrophobic ends: `
8 The following molecules freely pass through a cell membrane except which one? A) oxygen B) carbon dioxide C) amino acids D) certain lipids: `
9 Hormones come in contact with the _____ molecules in a membrane. A) lipid B) rod-like protein C) globular protein D) integral protein: `
10 The selective movement of ions through a membrane occurs through areas called _____. A) pores B) peripheral protein regions C) channels D) receptors: `
11 The _____ proteins in a membrane function as enzymes. A) peripheral B) structural C) integral D) rod-like: `
12 The cells in heart muscle are often held together by areas called _____. A) desmosomes B) tight junctions C) gap junctions D) intercellular fluid: `
13 The inside lining of the digestive tract is lined with cells that are held together by _____. A) gap junctions B) tight junctions C) connective tissue D) desmosomes: `
14 The _____ contains enzymes that are associated with protein synthesis. A) mitochondrion B) ribosome C) lysosome D) Golgi body: `
15 The _____ functions to package molecules into vesicles that can be transported out of a cell. A) ribosome B) nucleus C) Golgi apparatus D) centriole apparatus: `
16 A combination of a sugar with a protein is a _____. A) lipoprotein B) glycoprotein C) complex protein D) nuclear protein: `
17 The _____ functions as a sac-like or tubular network of structures that provides transport. A) ribosome B) lysosome C) endoplasmic reticulum D) centriole microtubules: `
18 The _____ is the source of most of the cellular energy. A) ribosome B) cytosol C) mitochondrion D) lysosome: `
19 The cristae are the shelf-like portions of the _____. A) mitochondria B) ribosome C) inclusion bodies D) centrosome: `
20 The _____ contain enzymes that are used to degrade foreign particles as well as cell structures. A) centrioles B) lysosomes C) peroxisomes D) mitochondria: `
21 Catalase is an enzyme, which degrades _____. A) hydrogen peroxide B) cell membranes C) bacteria D) peroxidase: `
22 The _____ is the organelle that plays a complex function in cell reproduction. A) centriole B) centrosome C) chromosome D) lysosome: `
23 The structures that cause fluids and mucus to move across their surface are the _____. A) flagella B) basal bodies C) cilia D) microfilaments: `
24 Flagella can occur on the cells of the following except: A) sperm B) kidneys C) intestine D) testes: `
25 Membranous sacs that contain fluids or particles for transport are called the _____. A) microtubules B) microfilaments C) vesicles D) inclusion bodies: `
26 The protein actin is found in _____, which results in some type of movement or contraction. A) Golgi bodies B) microfilaments C) microtubules D) cilia: `
27 The following belong together except which one? A) microtubule B) microfilament C) aid in DNA movement D) comprise an internal skeleton: `
28 What is the term for chemical particles in a cell which appear lifeless and have no obvious function? A) inclusion B) organelle C) vesicle D) macromolecule: `
29 The following are inclusions except which one? A) glycogen B) melanin C) lipids D) vesicles: `
30 The movement of particles from higher to lower concentration is termed _____. A) active transport B) dialysis C) diffusion D) osmosis: `
31 The following will increase the rate of diffusion except which factor? A) increased temperature B) increased concentration C) increased molecular weight D) shorter distances: `
32 Movement of particles from higher to lower concentrations through a membrane, such as in dialysis, occurs by _____. A) diffusion B) active transport C) osmosis D) filtration: `
33 Insulin usually increases the movement of glucose through a cell membrane by a process called _____. A) facilitation diffusion B) osmosis C) active transport D) pinocytosis: `
34 Membranes that have a higher osmotic pressure on one side, tend to _____. A) repel water B) draw water towards that side C) repel water from that side D) stop the movement of water: `
35 Hypertonic solutions tend to causes cells to _____. A) burst B) increase in diameter C) shrink D) intake water: `
36 Normal isotonic sodium chloride solution is _____%. A) 10 B) 0.9 C) 5 D) 12: `
37 The movement of a salt through a membrane, such as in a kidney, because of pressure differences is _____. A) filtration B) dialysis C) diffusion D) active transport: `
38 Hydrostatic refers to pressure of _____. A) salts B) the membrane C) solutes D) the solvent: `
9 Movement of molecules from low to high concentrations is _____. A) facilitated diffusion B) active transport C) passive transport D) dialysis: `
40 The ability of leukocytes to engulf bacteria is due to the process of _____. A) phagocytosis B) pinocytosis C) endocytosis D) receptor-mediated endocytosis: `
41 In receptor-mediated endocytosis, an LDL particle of cholesterol is attracted to cells that contain _____. A) lipoproteins B) apoprotein-B receptors C) HDL D) cholesterol: `
42 During mitosis, the number of chromosomes _____. A) remains the same B) is doubled C) is cut in half D) changes to 46: `
43 The process, which divides the cytoplasm in half, is specifically termed _____. A) karyokinesis B) cytokinesis C) mitosis D) meiosis: `
44 The process that results in daughter cells with half of the original chromosome number is _____. A) mitosis B) prophase C) meiosis D) karyokinesis: `
45 At which stages does the chromosome number double? A) prophase B) metaphase C) interphase D) telophase: `
46 Chromosomes are aligned along the equatorial line during the _____ stage of division. A) prophase B) metaphase C) anaphase D) telophase: `
47 The _____ stages occurs when two daughter cells have completely formed. A) interphase B) prophase C) metaphase D) telophase: `
48 Two chromatids are attached at the _____ region. A) terminal B) centromere C) centrosome D) centriole: `
49 The centromeres divide during the _____ stage of mitosis. A) prophase B) metaphase C) anaphase D) telophase: `
50 The process _____ explains how embryonic cells become specialized and diverse. A) mitosis B) meiosis C) interphase D) differentiation: `
51 The main division process in the early embryo is _____. A) mitosis B) meiosis C) karyokinesis D) metastasis: `
52 Cancer cells can disseminate to other areas by a process called _____. A) metaphase B) anaplasia C) hyperplasia D) metastasis: `
53 During hyperplasia, cells are dividing at a rapid rate and may progress towards a _____ state. A) cancer B) hypertrophy C) metaplasia D) metastasis: `
54 Which channel-blocker medication can be used to treat hypertension or angina pectoris? A) sodium B) calcium C) potassium D) chloride: `
55 What type of cell is a bacterium? A) eukaryotic B) archaeal C) prokaryotic D) viroid: `
What is the basic structural unit of the body? A) tissue B) organ C) organelle D) cell: Feedback: Correct Answer: The cell is the basic unit of life or fundamental functional unit of the body; the properties of an organism are related to the properties of the cells that comprise it.
1 What is the basic structural unit of the body? A) tissue B) organ C) organelle D) cell: `The cell is the basic unit of life or fundamental functional unit of the body; the properties of an organism are related to the properties of the cells that comprise it.

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Number of cards 56