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sci 221
week 1-6
| Question | Answer |
|---|---|
| the correct order of the phases of mitosis is: | prophase, metaphase, anaphase, telophase |
| the difference between sodium and potassium in the generation of action potential is that: | sodium causes depolarization of the cell membrane, and potassium causes repolarization of the cell membrane |
| materials can be moved from a low concentration to a high concentration through: | active transport |
| intracellular parasites that consist of DNA or RNA surrounded by a protein coat, sometimes by a lipoprotein envelope are called: | viruses |
| the mechanisms that produce and maintain the resting membrane potential do so by producing a: | slight excess of positive ions on the outer surface of the plasma membrane |
| what structure is formed by the union of the basal and reticular lamina? | basement membrane |
| epidemiology is the study of the _____ of diseases in human populations. | occurrence , distribution , and transmission |
| the normal reading or range is called the: | set point |
| connective tissue forms from stem cell tissue called: | mesenchyme |
| which type of connective tissue helps newborns maintain body temperature by producing heat? | brown fat |