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Nightingale week 7
AP review week 1-6
Question | Answer |
---|---|
Positive-feedback control systems: | Accelerate a change |
Homeostasis can best be described as: | a state of relative constancy. |
Intrinsic control: | is sometimes called autoregulation |
Which lipid is part of vitamin D? | Steroids |
Which of the following is not true of both triglycerides and phospholipids? | They both contain a hydrophobic and hydrophilic end. |
Which of the following is not true of RNA? | It contains deoxyribose sugar. |
Which of the following statements is true? | The site of transcription is within the nucleus, whereas the site of translation is in the cytoplasm. |
Materials can be moved from a low concentration to a high concentration through: | active transport. |
Twenty-three chromosomes per cell in humans is referred to as: | haploid |
Which is true of an action potential? | The plasma membrane is impermeable to Na+ and K+ ions. |
The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? | Almost 300 times faster |