Term
| All forms of life on Earth |
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Definition
| ANSWER: b. absorb and use materials. |
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Term
| The first step in the scientific method is |
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Definition
| ANSWER: c. making observations. |
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Term
| The goal of science is to |
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Definition
| learn the causes of events in nature. |
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Term
| If you see the symbol of a pair of gloves in a laboratory experiment, you must |
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Definition
| ANSWER: a. wear disposable plastic gloves. |
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Term
| In terms of the scientific method, the purpose of an experiment is to |
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Definition
| ANSWER: d. test a hypothesis. |
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Term
| Each of the following is an important fire safety rule in the laboratory EXCEPT |
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Definition
| ANSWER: c. never use clamps or tongs to handle hot objects. |
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Term
| A controlled experiment allows the researcher to isolate and test |
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Definition
| ANSWER: d. a single variable. |
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Term
| To measure small volumes of liquids, scientists use units called |
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Definition
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Term
| In the metric system, your height is best measured in |
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Definition
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Term
| If you spill acid on your skin, the first thing you should do is |
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Definition
| ANSWER: c. rinse it off immediately. |
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Term
| The major functions of proteins in cells do NOT include |
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Definition
| ANSWER: c. storing energy. |
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Term
| A chemical reaction is likely to occur spontaneously if it |
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Definition
| ANSWER: c. releases energy. |
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Term
| The change of matter from one phase to another is a(an) |
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Definition
| ANSWER: b. physical change. |
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Term
| Acidic solutions contain high concentrations of |
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Definition
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Term
| In polar molecules such as water, there is an uneven distribution of |
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Definition
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Term
| If a substance consists of only one kind of atom, it is a(an) |
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Definition
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Term
| If a reaction in one direction releases energy, the same reaction in the other direction |
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Definition
| ANSWER: d. requires energy. |
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Term
| The major functions of lipids in organisms do NOT include |
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Definition
| ANSWER: b. supporting structures. |
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Term
| All atoms of the same element contain the same number of |
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Definition
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Term
| The elements or compounds formed by chemical reactions are |
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Definition
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Term
| All of the following are types of tissues EXCEPT |
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Definition
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Term
| The idea that all cells arise from the division of preexisting cells was first stated by |
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Definition
| ANSWER: b. Rudolf Virchow. |
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Term
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Definition
| ANSWER: b. cell membrane. |
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Term
| Which of the following statements about the cell membrane is CORRECT? |
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Definition
| ANSWER: c. It is a two-layered structure composed of lipids and proteins. |
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Term
| Of the following, the term that includes all the others is |
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Definition
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Term
| Which two organelles occur in plant cells but not animal cells? |
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Definition
| ANSWER: c. cell walls and chloroplasts |
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Term
| If a more concentrated salt solution is on one side of a membrane and a less concentrated salt solution is on the other side, water molecules tend to pass through the membrane |
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Definition
| ANSWER: a. from the less concentrated to the more concentrated solution. |
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Term
| Cell specialization means that cells in an organism are uniquely suited to |
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Definition
| ANSWER: d. perform a specific function. |
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Term
| Which organisms are composed of cells that do not contain nuclei? |
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Definition
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Term
| The cell structure that attaches carbohydrates to protein molecules is the |
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Definition
| ANSWER: b. Golgi apparatus. |
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Term
| All of the following are true about the thylakoid membrane EXCEPT that it |
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Definition
| ANSWER: c. is the site of the Calvin cycle. |
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Term
| The synthesis and breakdown of ATP within the cells is controlled by |
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Definition
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Term
| Priestley's observation that a plant restores the ability of air to support a flame was an important piece of evidence for the idea that photosynthesis |
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Definition
| ANSWER: a. produces oxygen. |
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Term
| The major products of the light-dependent reactions are |
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Definition
| CORRECT: a. ATP and NADPH. |
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Term
| The reactants of photosynthesis are |
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Definition
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Term
| At the end of the electron transport chain in photosynthesis, high-energy electrons are passed to |
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Definition
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Term
| During photosynthesis, carbon dioxide is used to make sugars in the |
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Definition
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Term
| Chlorophyll is important in the |
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Definition
| ANSWER: d. absorption of light energy. |
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Term
| The release of energy in an organism depends on the conversion of |
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Definition
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Term
| Van Helmont's conclusion that most of the weight a plant gains as it grows comes from water does not include the important contribution of |
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Definition
| ANSWER: c. carbon dioxide. |
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Term
| Animal cells cannot carry out |
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Definition
| ANSWER: c. alcoholic fermentation. |
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Term
| The most important product of the electron transport chain in cellular respiration is |
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Definition
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Term
| Cellular respiration benefits organisms by |
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Definition
| ANSWER: c. transferring energy to ATP. |
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Term
| In glycolysis, each glucose molecule is broken down into |
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Definition
| ANSWER: c. two molecules of pyruvic acid. |
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Term
| hich compounds are produced by the two main types of fermentation? |
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Definition
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Term
| Each of the following processes releases energy from glucose EXCEPT |
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Definition
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Term
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Definition
| ANSWER: d. pyruvic acid is broken down into CO2 and H2O. |
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Term
| In cellular respiration, the final electron acceptor is |
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Definition
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Term
| The energy that is released during cellular respiration is stored as |
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Definition
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Term
| The first set of reactions in cellular respiration is |
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Definition
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Term
| The two main stages of cell division are |
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Definition
| ANSWER: c. mitosis and cytokinesis. |
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Term
| In the cell cycle, DNA replication occurs during the |
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Definition
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Term
| As a cell grows larger, its volume increases |
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Definition
| ANSWER: c. more quickly than its surface area. |
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Term
| The rate at which waste products are produced by a cell depends on its |
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Definition
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Term
| The process by which a single cell forms two daughter cells is called |
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Definition
| ANSWER: d. cell division. |
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Term
| Chromosomes are made up of |
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Definition
| ANSWER: b. DNA and protein |
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Term
| At the end of mitosis, each daughter cell has |
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Definition
| ANSWER: a. the same number and kinds of chromosomes as in the parent cell. |
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Term
| In mitosis, each of the following is correct EXCEPT that the |
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Definition
| spindle forms during telophase. |
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Term
| Cancer is a disorder in which some cells have lost the ability to control their |
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Definition
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Term
| In mitosis, sister chromatids separate during |
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Definition
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Term
| The Hershey-Chase experiments on bacteriophages showed that the genetic information is carried in |
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Definition
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Term
| A single strand of DNA acts as a template for |
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Definition
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Term
| Most eukaryotic genes are |
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Definition
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Term
| Transfer RNA is important in |
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Definition
| ANSWER: d. adding amino acids to a polypeptide. |
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Term
| A frameshift mutation usually produces a |
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Definition
| more drastic change than a point mutation. |
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Term
| The information that directs protein synthesis is contained in DNA's |
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Definition
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Term
| Proteins that bind to DNA regulate gene expression in |
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Definition
| ANSWER: d. both eukaryotes and prokaryotes. |
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Term
| All nucleotides contain each of the following EXCEPT a |
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Definition
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Term
| The DNA that results from replication consists of |
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Definition
| ANSWER: b. two molecules that each contain one new strand and one original strand. |
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Term
| If one strand of DNA has the sequence of nitrogenous bases AACTG, its complementary strand has the sequence |
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Definition
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