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57 Cards in this Set
- Front
- Back
2
Which of the following are the smallest cells? A) human ovum B) red blood cell C) white blood cell D) smooth muscle cell |
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3
Two major parts of a cell are the nucleus and _____. A) membrane B) organelle C) reticulum D) mitochondrion |
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4
A ribosome is an example of a _____. A) nuclear membrane B) organelle C) inclusion D) protein |
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5
A cell membrane allows only needed substances to pass and is therefore called _____. A) permeable B) passive C) active D) selective |
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6
A human cell membrane is comprised of the following except which one? A) lipids B) proteins C) carbohydrates D) nucleic acids |
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7
The following terms belong together except which one? A) protein B) phospholipid C) hydrophilic ends D) hydrophobic ends |
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8
The following molecules freely pass through a cell membrane except which one? A) oxygen B) carbon dioxide C) amino acids D) certain lipids |
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9
Hormones come in contact with the _____ molecules in a membrane. A) lipid B) rod-like protein C) globular protein D) integral protein |
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9
Hormones come in contact with the _____ molecules in a membrane. A) lipid B) rod-like protein C) globular protein D) integral protein |
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10
The selective movement of ions through a membrane occurs through areas called _____. A) pores B) peripheral protein regions C) channels D) receptors |
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11
The _____ proteins in a membrane function as enzymes. A) peripheral B) structural C) integral D) rod-like |
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12
The cells in heart muscle are often held together by areas called _____. A) desmosomes B) tight junctions C) gap junctions D) intercellular fluid |
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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 |
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14
The _____ contains enzymes that are associated with protein synthesis. A) mitochondrion B) ribosome C) lysosome D) Golgi body |
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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 |
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16
A combination of a sugar with a protein is a _____. A) lipoprotein B) glycoprotein C) complex protein D) nuclear protein |
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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 |
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18
The _____ is the source of most of the cellular energy. A) ribosome B) cytosol C) mitochondrion D) lysosome |
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19
The cristae are the shelf-like portions of the _____. A) mitochondria B) ribosome C) inclusion bodies D) centrosome |
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20
The _____ contain enzymes that are used to degrade foreign particles as well as cell structures. A) centrioles B) lysosomes C) peroxisomes D) mitochondria |
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21
Catalase is an enzyme, which degrades _____. A) hydrogen peroxide B) cell membranes C) bacteria D) peroxidase |
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22
The _____ is the organelle that plays a complex function in cell reproduction. A) centriole B) centrosome C) chromosome D) lysosome |
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23
The structures that cause fluids and mucus to move across their surface are the _____. A) flagella B) basal bodies C) cilia D) microfilaments |
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24
Flagella can occur on the cells of the following except: A) sperm B) kidneys C) intestine D) testes |
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25
Membranous sacs that contain fluids or particles for transport are called the _____. A) microtubules B) microfilaments C) vesicles D) inclusion bodies |
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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 |
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27
The following belong together except which one? A) microtubule B) microfilament C) aid in DNA movement D) comprise an internal skeleton |
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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 |
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29
The following are inclusions except which one? A) glycogen B) melanin C) lipids D) vesicles |
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30
The movement of particles from higher to lower concentration is termed _____. A) active transport B) dialysis C) diffusion D) osmosis |
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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 |
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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 |
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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 |
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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 |
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35
Hypertonic solutions tend to causes cells to _____. A) burst B) increase in diameter C) shrink D) intake water |
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36
Normal isotonic sodium chloride solution is _____%. A) 10 B) 0.9 C) 5 D) 12 |
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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 |
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38
Hydrostatic refers to pressure of _____. A) salts B) the membrane C) solutes D) the solvent |
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9
Movement of molecules from low to high concentrations is _____. A) facilitated diffusion B) active transport C) passive transport D) dialysis |
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40
The ability of leukocytes to engulf bacteria is due to the process of _____. A) phagocytosis B) pinocytosis C) endocytosis D) receptor-mediated endocytosis |
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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 |
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42
During mitosis, the number of chromosomes _____. A) remains the same B) is doubled C) is cut in half D) changes to 46 |
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43
The process, which divides the cytoplasm in half, is specifically termed _____. A) karyokinesis B) cytokinesis C) mitosis D) meiosis |
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44
The process that results in daughter cells with half of the original chromosome number is _____. A) mitosis B) prophase C) meiosis D) karyokinesis |
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45
At which stages does the chromosome number double? A) prophase B) metaphase C) interphase D) telophase |
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46
Chromosomes are aligned along the equatorial line during the _____ stage of division. A) prophase B) metaphase C) anaphase D) telophase |
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47
The _____ stages occurs when two daughter cells have completely formed. A) interphase B) prophase C) metaphase D) telophase |
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48
Two chromatids are attached at the _____ region. A) terminal B) centromere C) centrosome D) centriole |
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49
The centromeres divide during the _____ stage of mitosis. A) prophase B) metaphase C) anaphase D) telophase |
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50
The process _____ explains how embryonic cells become specialized and diverse. A) mitosis B) meiosis C) interphase D) differentiation |
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51
The main division process in the early embryo is _____. A) mitosis B) meiosis C) karyokinesis D) metastasis |
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52
Cancer cells can disseminate to other areas by a process called _____. A) metaphase B) anaplasia C) hyperplasia D) metastasis |
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53
During hyperplasia, cells are dividing at a rapid rate and may progress towards a _____ state. A) cancer B) hypertrophy C) metaplasia D) metastasis |
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54
Which channel-blocker medication can be used to treat hypertension or angina pectoris? A) sodium B) calcium C) potassium D) chloride |
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55
What type of cell is a bacterium? A) eukaryotic B) archaeal C) prokaryotic D) viroid |
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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.
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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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