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105 Cards in this Set

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