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15 Cards in this Set
- Front
- Back
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Which of these processes requires cells to expend energy in the form of ATP? a. membrane fluidity b. diffusion c. facilitated transport d. osmosis e. active transport |
active transport |
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A single layer of rectangular-shaped cells lining a body cavity would be |
simple columnar epithelium |
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Bone is one type of |
connective tissue |
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Which molecule could pass through a plasma membrane by diffusion? |
carbon dioxide |
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Mucus and foreign materials move up the respiratory tract through the action of |
cilia |
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Cells that secrete products directly into body fluids are classified as |
endocrine glands |
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Which of these is NOT a reason why a particular cell could attain a large size? a. it is long and thin - like muscle cells b. it already has a supply of nutrients c. it has many fine branches, like neurons d. it has adaptations that increase its surface area e. it has carrier proteins in its membranes |
it has carrier proteins in its membranes |
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Phospholipid molecules have a charged head group and two fatty acid tails. The hydrophobic tail groups would be found |
in the membrane interior |
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When a dried apricot is placed in water, it swells back up and takes on its original form. Why should this be so? |
water enters the apricot cells in the process of osmosis |
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Adipose tissue is a type of |
connective tissue |
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What organ system moves internal parts of the body and generates metabolic heat? |
muscular system |
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Which of the following is not a function of proteins in cell membranes? a. carrying out enzymatic reactions b. binding with specific hormones c. acting as markers of cell identity and recognition d. producing lipid molecules e. aiding the transport of molecules into the cell |
producing lipid molecules |
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Maintenance of the body's internal conditions, such as temperature, pH and blood glucose at set levels is called |
homeostasis |
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Junctions that allow the rapid transfer of water, ions and other molecules between adjacent cells are called |
gap junctions |
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how would you correctly describe skeletal muscle? |
striated, multinucleate and voluntary |
