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Darlene Perez
Human Physiology week 1 -6
| Question | Answer |
|---|---|
| Homeostasis can best be described as: A. a constant state maintained by living and nonliving organisms B. a state of relative constancy C. adaptation to the external environment D. changes in the body temperature | B. a state of relative constancy |
| A saturated fatty acid is one in which A. all available bonds of its polypeptide chain are filled B. all available bonds of its hydrocarbon chain are filled C. one or more double bonds in its hydrocarbon chain are saturated with hydrogen atoms | B. all available bonds of its hydrocarbon chain are filled |
| When two amino acids are joined, a peptide bond is formed and an H+ ion is released True or False | False |
| Which of these is not a lipid? A. fat B. steroid C. cholesterol D. polysaccharide | D. polysaccharide |
| What determines how a protein performs? A. shape B. size C. quantity D. peptide bonds | A. shape |
| Which of the following is not true of both triglycerides and phospholipids? A. they both contain glycerol B. they both contain fatty acids C. they both contain a hydrophobic and hydrophilic end D. all of the above | D. all of the above |
| Which of the following is not a characteristic of meiosis? A. four haploid gametes B. a reduction division C. two steps of cell division D. two haploid gametes | D. two haploid gametes |
| Transcription can best be described as the A. synthesis of tRNA B. reading of mRNA codons by tRNA C. synthesis of mRNA D. synthesis of polypeptides at a ribosomal site | C. synthesis of mRNA |
| If red blood cells containing 10% solute are placed in a solution containing 10% solute, what will happen? A. nothing will happen B. water will move out of the cells C. water will move into and out of the cells at equal rates | C. water will move into and out of the cells at equal rates |
| Basement membrane is composed of molecules made by _____ tissue. A. muscle B. connective C. epithelial D. both B and C are correct | D. both B and C are correct |
| Due to how the clavicle articulates with the scapula, all shoulder movements involve the sternoclavicular joint. True or False | True |
| In terms of function, which is considered an immovable joint? A. synarthrosis B. amphiarthrosis C. diarthrosis D. all joints are moveable | A. synarthrosis |
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