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BIO 256 Exam 1 questions with answers
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Exam of 5 pages for the course BIOS 256 at BIOS 256 (BIO 256 Exam 1)
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BIO 256 Exam 1Which of the following would NOT be a necessary life function? - answersdecay
Which of the following statements is MOST CORRECT in reference to homeostatic
imbalance? - answersIt is considered the cause of most diseases
Which would be a normal measure of arterial blood pH? - answers7.43
Which would be a NORMAL measure of oxygen in arterial blood? - answers18.1
ml/100ml
One example of positive feedback is: - answersoxytocin release during childbirth
Which body fluid compartment drains fluid from between cells, returning it to the blood?
- answerslymph
Which organ would get the least amount of body flow during the running of a marathon?
- answerssmall intestine
Which is a major element of the human body? - answerscarbon
Which is an inorganic molecule? - answersNaCl
Water does NOT - answersdissolve triglycerides
Which releases OH- in water? - answersbases
Which pH would be considered alkaline? - answerspH 9.6
, If you add a small amount of vinegar (a weak acid) to a buffer, the buffer's pH will -
answersstay 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 - answersstereoisomers
Fatty acids and glycerol are parts of - answersphospholipids
The components of phospholipids include - answersglycerol, fatty acids and a
phosphate group
Monounsaturated fats have ___ double bonds - answersone
Which is part differing in the various amino acids? - answersside chain (-R)
We have a much greater variety of proteins than polysaccharides in the body, mainly
because - answersthere are 20 different amino acid building blocks from which protein
molecules are made
Which is NOT a function of proteins? - answersprovide genetic code
Which contains your genetic inheritance from your parents? - answersDNA
Transcription produces - answersRNA
Which is the RNA that brings amino acids to the ribosome where proteins are made? -
answerstRNA
Messenger RNA carries genetic information from the chromosomes to the ____ -
answersribosome
If you see polyribosomes when you observe a cell using an electron microscope of the
cell - answersmaking a lot of certain protein
Which is NOT a reason why you and your cells age? - answersgenes shorten until they
no longer function
If the products of a chemical reaction contain MORE total energy than the reactants, the
reaction must be - answersendergonic
The "lock and key model" of enzyme function describes the - answersspecific fit of a
substrate to its particular enzyme
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