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Definition
| Positively charged; located in the atomic nucleus |
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Definition
| Uncharged; located in the atomic nucleus |
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Definition
| Negatively charged; smallest of the 3 atomic particles |
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Definition
| The smallest particle of an element which retains the properties of that element. |
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Term
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Definition
True or False:
Electrons are located at fixed, stationary points at defined distances from the atomic nucleus. |
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Term
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Definition
True or False:
Each orbital can hold 1 or 2 electrons (2 maximum). |
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Term
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Definition
| Site of initial protein modifications. |
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Term
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Definition
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Definition
| Site of final protein modifications. |
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Term
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Definition
| Small lipid bilayer sac for transporting proteins. |
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Term
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Definition
| Lysosomes, peroxisomes, and glyoxysomes. |
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Term
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Definition
| Site of aerobic respiration. |
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Definition
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Definition
| Large storage sac in plant cells. |
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Term
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Definition
| Provides structural support for the cell. |
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Term
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Definition
| The inside of any tubular organ or organelle. |
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Term
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Definition
Plasma membranes incorporate which of the following?
A transport proteins
B adhesion proteins
C recognition proteins
D all of the above |
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Term
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Definition
Vesicle formation occurs in which of the following?
A membrane cycling
B phagocytosis
C endocytosis and exocytosis
D all of the above |
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Term
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Definition
True of False
Active transport against a concentration gradient requires an input of energy. |
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Term
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Definition
| Desmosomes (adhering junctions) hold cells together and form a water-tight seal. |
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Term
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Definition
During mitosis, the structure which holds the two sister chromatids together and attaches them to the spindle microtubles is the
A centriole
B centromere
C spindle equator
D nucleolus |
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Term
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Definition
Which of the following is NOT a stage of mitosis?
A interphase
B prophase
C metaphase
D ananphase |
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Term
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Definition
During which stage of mitosis does the nuclear envelope begin to break down?
A interphase
B prophase
C metaphase
D ananphase |
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Term
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Definition
During which stage of mitosis are the sister chromatids aligned along the spindle equator?
A interphase
B prophase
C metaphase
D ananphase |
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Term
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Definition
During which stage of mitosis do the sister chromatids begin to move apart?
A interphase
B prophase
C metaphase
D ananphase |
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Term
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Definition
| During which stage of mitosis do the sister chromatids move further apart and two nuclei begin to reform? |
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Term
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Definition
| Most cell membrane functions are carried out by ______________. |
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