The oceans are thought to regulate temperatures of the whole planet. Explain this process in terms of the heat capacity of water
What will be an ideal response?
Water has a high heat capacity. It can absorb or gain high quantities of heat without significant changes in its temperature. This is because any heat added to the water is absorbed first by the hydrogen bonds of water before these can be broken. As a result, oceans absorb heat without substantially increasing temperature. If the atmospheric temperatures are cool, the ocean will release heat into the atmosphere, thereby ameliorating temperatures.
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What is meant by the term "fluid mosaic model"?
a. It is the diffusion of lipid-soluble substances through the lipid bilayer. b. It is the movement of lipids and integral proteins within the lipid bilayer. c. It is the solubility of water in the membrane. d. It is the method of substance transport across the membrane. e. It is the movement of surface proteins through the membrane
A fluid that accumulates as the result of an inflammatory response and contains dead phagocytes, body cells, and bacteria is commonly called ______.
Fill in the blank(s) with the appropriate word(s).
The fungus Penicillium produces a compound that blocks peptidoglycan assembly. Why is a fungus trying to kill bacteria?
A. The fungal compound is produced in response to a bacterial invasion of the fungal hyphae. B. Fungi eat bacteria. C. The compound produced by the fungus is used for nitrogen fixation, the antibacterial properties are accidental. D. Fungi and bacteria are both decomposers and compete for resources.
The three physical forms of laboratory media are: solid, semisolid, and ________.
Fill in the blank(s) with the appropriate word(s).