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Set1 SCI 221
Contents of week 1-6
| Question | Answer |
|---|---|
| Positive-feedback control systems: | accelerate a change |
| Negative-feedback control systems | oppose a change |
| The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are: | steroids |
| Which of the following is not true of RNA? | It is composed of smaller molecules called nucleotides. |
| Transcription can be best described as the: | synthesis of mRNA. |
| Which tissue is most likely to form a keloid scar as it heals? | connective |
| Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? | Astrocytes |
| Functions of bone: | support, protection, mineral storage, hematopoiesis. |
| Epidemiology is the study of the _____ of diseases in human populations. | occurence, distribution, transmission |
| RNA is composed of | smaller molecules called nucleotides. |