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105 Cards in this Set
- Front
- Back
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The following is NOT a goal of science.
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To use data to support a particular point of view.
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The work of scientists usually begins with...
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Careful observations.
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Information gathered from observing a plant grow 3 cm over a two week period results in...
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Data.
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You suggest that the presense of water could accelerate the growth of bread mold. This is a(n)...
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Hypothesis.
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In science. a hypothesis is useful only if...
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It can be tested.
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Biology is the study of...
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The living world.
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The following is NOT a characteristic of all living things...
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Ability to move.
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The process by which organisms keep their internal conditions fairly constant is called...
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Homeostasis.
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What is the term for a group of organisms of one type living in the same place?
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Population
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Which level of organization includes all of the other levels?
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Ecosystem
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Safety procedures are important when working...
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In a laboratory, in the field, and with animals.
((All of the above)) |
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The three particles that make up atoms are...
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Protons, neutrons, and electrons.
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The nucleus is made up of...
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Protons and electrons.
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If an atom contains 11 protons and 12 neutrons, its atomic number is...
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11.
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A colvalent bond is formed as the result of...
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Sharing an electron pair.
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A substance with a pH of 6 is called...
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An acid.
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A monosaccharide is a...
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Carbohydrate.
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Which organic compound is the main source of energy for living things?
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Carbohydrates
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The following is NOT a function of proteins...
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Store and transmit heredity.
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Enzymes affect the reactions in living cells by changing the...
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Speed of the reaction.
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The following is NOT a principle of the cell theory...
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Very few cells reproduce.
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Which of the following contain a nucleus?
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Eukaryotes
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Which organelle breaks down lipids, carbohydrates, and proteins into small molecules the cell can use?
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Lysosome
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Which structure makes proteins using coded intructions that come from the nucleus?
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Ribosome
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Which organelle help provide cells with energy?
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Mitochondria and chloroplasts
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Which organelle would you expect to find in plant cells but not animal cells?
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Chloroplast
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The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?
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Proteins
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Diffusion is the movement of molecules from...
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An area of high concentration to an area of low concentration.
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Diffusion occurs because...
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Molecules constantly move and collide with each other.
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When the concentration of molecules on both sides of a membrane is the same, the molecules will...
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Move across the membrane in both directions.
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The diffusion of water across a selectively permeable membrane is called...
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Osmosis.
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Which list represents the levels of organization in a multicellular organism from the simplest level to the most complex level?
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Cell, tissue, organ, organ system
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What is the function of the endoplasmic reticulum?
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To transport proteins
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Refer to the illustration above. The process shown is called...
((Picture of lump of sugar being put into a flask and going through four steps of the process.)) |
Diffusion.
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The following cell part is analogous to the human skeleton...
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Cytoskeleton.
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Cells that contain a large number of mitochondria would most likely be found in your...
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Muscles.
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Organisms, such as plants, that make their own food are called...
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Autotrophs.
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The following affects the rate of photosynthesis...
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Water, temperature, and light intensity.
((All of the above.)) |
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What are the three parts of an ATP molecule?
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Adenine, ribose, and phosphate groups.
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Energy is released from ATP when...
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A phosphate group is removed.
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Which structures shown in Figure 8-1 make up an ATP molecule?
((Picture of a ATP molecule labeled A,B,C, and D.)) |
A,B,C,D
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Look at Figure 8-1. All of the following are parts of an ADP molecule EXCEPT...
((Picture of a ATP molecule labeled A,B,C, and D.)) |
Structure B.
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Photosynthesis uses sunlight to convert water and carbon dioxide into...
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High-energy sugars and starches.
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The following is released during cellular respiration...
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Energy.
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What is the correct equation for cellular respiration?
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6O2 + C6 H12 O6 = 6CO2 + 6H2O + Energy
((Answer choice: A)) |
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Cellular repiration releases energy by breaking down...
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Food molecules.
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Which process takes place in the cytoplasm of a cell?
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Glycolysis
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The process that releases energy from food in the presense of oxygen is...
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Cellular respiration.
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If a cell has 12 chromosomes, how many chromosomes will each of its daughter cells have after mitosis?
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12
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Sister chromatids are attached to each other at an area called the...
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Centromere.
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The following pair is correct...
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G2 phase, preparation for mitosis
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When during the cell cycle is a cell's DNA replicated?
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S phase
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Which event occurs during interphase?
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The cell grows.
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Cell division is represented in Figure 10-1 by the letter...
((Picture is the cell cycle labeled by A,B,C, and D.)) |
D.
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The cell cycle is the...
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Series of events that cells so through as they grow and divide.
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The structure labeled A in Figure 10-2 is called the...
((Picture is a chromosome labeled A and B.)) |
Centromere.
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The structure labeled B in Figure 10-2 is called the...
((Picture is a chromosome labeled A and B.)) |
Sister chromatids.
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The following is a phrase of mitosis...
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Prophase.
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During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?
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Metaphase
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The following represents the phases of mitosis in their proper sequence...
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Prophase, metaphase, anaphase, and telophase.
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What is the role of the spindle during mitosis?
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It helps separate the chromosomes.
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The two main stages of cell division are called...
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Mitosis and cytokinesis.
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One difference between cell division in plant cells and in animal cells is that plant cells have..
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A cell plate.
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In eukaryotic cells, the timing of the cell cycle is regulated by...
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Cyclins.
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Cellular repiration releases energy by breaking down...
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Food molecules.
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The number of chromosomes in a gamete is represented by the symbol...
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N.
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Which process takes place in the cytoplasm of a cell?
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Glycolysis
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If an organism's diploid number is 12, its haploid number is...
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6.
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The process that releases energy from food in the presense of oxygen is...
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Cellular respiration.
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Gametes are produced by the process of...
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Meiosis.
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If a cell has 12 chromosomes, how many chromosomes will each of its daughter cells have after mitosis?
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12
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What is shown in Figure 11-3?
((Picture of two chromosomes crossing-over with each other.)) |
Crossing-over
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Sister chromatids are attached to each other at an area called the...
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Centromere.
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Unlike mitosis, meiosis results in the formation of...
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Haploid cells.
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The following pair is correct...
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G2 phase, preparation for mitosis
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What is the structure labeled X in Figure 10-4?
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Centriole.
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When during the cell cycle is a cell's DNA replicated?
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S phase
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What is the structure labeled Y in Figure 10-4?
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Tetrad.
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Which event occurs during interphase?
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The cell grows.
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What is the correct order for the diagrams in Figure 10-4?
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D,A,C,B
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Cell division is represented in Figure 10-1 by the letter...
((Picture is the cell cycle labeled by A,B,C, and D.)) |
D.
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Figure 12-1 shows the structure of a(n)...
((Picture shows a close up of a DNA strand.)) |
DNA molecule.
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In Figure 12-1, what is the name of the structure labeled X?
((Picture shows a close up of a DNA strand.)) |
Nucleotide.
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The cell cycle is the...
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Series of events that cells so through as they grow and divide.
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The following is a nucleotide found in DNA...
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Ribose + phosplate group + uracil.
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The structure labeled A in Figure 10-2 is called the...
((Picture is a chromosome labeled A and B.)) |
Centromere.
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The structure labeled B in Figure 10-2 is called the...
((Picture is a chromosome labeled A and B.)) |
Sister chromatids.
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The following is a phrase of mitosis...
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Prophase.
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During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?
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Metaphase
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The following represents the phases of mitosis in their proper sequence...
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Prophase, metaphase, anaphase, and telophase.
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What is the role of the spindle during mitosis?
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It helps separate the chromosomes.
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The two main stages of cell division are called...
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Mitosis and cytokinesis.
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One difference between cell division in plant cells and in animal cells is that plant cells have...
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A cell plate.
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In eukaryotic cells, the timing of the cell cycle is regulated by...
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Cyclins.
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The number of chromosomes in a gamete is represented by the symbol...
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N.
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If an organism's diploid number is 12, its haploid number is...
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6.
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Gametes are produced by the process of...
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Meiosis.
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What is shown in Figure 11-3?
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Crossing-over
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Unlike mitosis, meiosis results in the formation of...
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Haploid cells.
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What is the structure labeled X in Figure 10-4?
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Centriole
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What is the structure labeled Y in Figure 10-4?
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Tetrad
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What is the correct order for the diagrams in Figure 10-4?
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D,A,C,B
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Figure 12-1 shows the structure of a(n)...
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DNA molecule.
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In Figure 12-1, what is the name of the structure labeled X?
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Nucleotide
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Which of the following is a nucleotide found in DNA?
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Ribose + phosphate group + uracil
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