Chamberlain College of Nursing BIOS 256 Exam 1 QUESTIONS AND ANSWERS| GRADED A
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BIOS 256.
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Chamberlain College Of Nursing
Which of the following would NOT be a necessary life function? Correct Answer: decay
Which of the following statements is MOST CORRECT in reference to homeostatic imbalance? Correct Answer: It is considered the cause of most diseases
Which would be a normal measure of arterial blood pH? Cor...
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Chamberlain College of Nursing BIOS 256 Exam 1
QUESTIONS AND ANSWERS| GRADED A
Which of the following would NOT be a necessary life function? Correct Answer: decay
Which of the following statements is MOST CORRECT in reference to homeostatic imbalance?
Correct Answer: It is considered the cause of most diseases
Which would be a normal measure of arterial blood pH? Correct Answer: 7.43
Which would be a NORMAL measure of oxygen in arterial blood? Correct Answer: 18.1
ml/100ml
One example of positive feedback is: Correct Answer: oxytocin release during childbirth
Which body fluid compartment drains fluid from between cells, returning it to the blood? Correct
Answer: lymph
Which organ would get the least amount of body flow during the running of a marathon? Correct
Answer: small intestine
Which is a major element of the human body? Correct Answer: carbon
Which is an inorganic molecule? Correct Answer: NaCl
Water does NOT Correct Answer: dissolve triglycerides
Which releases OH- in water? Correct Answer: bases
Which pH would be considered alkaline? Correct Answer: pH 9.6
If you add a small amount of vinegar (a weak acid) to a buffer, the buffer's pH will Correct
Answer: stay the same
When molecules have the same chemical formula, arranged in the same sequence, but differing
only in their spatial orientation of key function groups, producing D-isomers and L-isomers they
are called Correct Answer: stereoisomers
Fatty acids and glycerol are parts of Correct Answer: phospholipids
The components of phospholipids include Correct Answer: glycerol, fatty acids and a phosphate
group
Monounsaturated fats have ___ double bonds Correct Answer: one
, Which is part differing in the various amino acids? Correct Answer: side chain (-R)
We have a much greater variety of proteins than polysaccharides in the body, mainly because
Correct Answer: there are 20 different amino acid building blocks from which protein molecules
are made
Which is NOT a function of proteins? Correct Answer: provide genetic code
Which contains your genetic inheritance from your parents? Correct Answer: DNA
Transcription produces Correct Answer: RNA
Which is the RNA that brings amino acids to the ribosome where proteins are made? Correct
Answer: tRNA
Messenger RNA carries genetic information from the chromosomes to the ____ Correct Answer:
ribosome
If you see polyribosomes when you observe a cell using an electron microscope of the cell
Correct Answer: making a lot of certain protein
Which is NOT a reason why you and your cells age? Correct Answer: genes shorten until they
no longer function
If the products of a chemical reaction contain MORE total energy than the reactants, the reaction
must be Correct Answer: endergonic
The "lock and key model" of enzyme function describes the Correct Answer: specific fit of a
substrate to its particular enzyme
How do defects in the same metabolic pathway result in different symptoms in different
individuals? Correct Answer: different enzymes may be defective in the same metabolic
pathway resulting in different diseases
An atom or molecule has been oxidized when Correct Answer: it has lost some electrons
Which of the following statements describes the role of the electron transport chain? Correct
Answer: the electron transport chain produces NAD
All of the following are formed as a result of the electron transport chain EXCEPT Correct
Answer: Carbon Dioxide
To obtain metabolic energy from glycogen, you must first Correct Answer: break the molecule
into glucose units
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