BMS 300 TEST 1 QUESTIONS AND ANSWERS
What part of a water molecule will Na be attracted to? - ANSWER Oxygen
Osmosis - ANSWER Diffusion of water through a selectively permeable
membrane
In triglycerides, a fatty acid is joined to a glycerol by what? - ANSWER
covalent bond
Two solutions are separated by a membrane that contains only channels
permeable to water (aquaporins). The solution in the left-hand compartment
contains 30 millimolar NaCl, completely dissociating, and the right-hand
compartment contains 60 millimolar urea, a small, charged molecule that does
not dissociate. Which one of the following statements is correct? - ANSWER
Water will not flow because osmotic forces are balanced
The following is the part of an amino acid that differs from one amino acid to
another. ____ - ANSWER R-group
In a chain of amino acids, more than one are linked through what type of bond?
- ANSWER Peptide and covalent bond
Triglycerides are made up of 1 long chain fatty acid and three glycerols -
ANSWER False
Which of the following is the least stable form of phospholipid structure? -
ANSWER Micelle
What part of a water molecule will Na be attracted to? - ANSWER Oxygen
Osmosis - ANSWER Diffusion of water through a selectively permeable
membrane
In triglycerides, a fatty acid is joined to a glycerol by what? - ANSWER
covalent bond
Two solutions are separated by a membrane that contains only channels
permeable to water (aquaporins). The solution in the left-hand compartment
contains 30 millimolar NaCl, completely dissociating, and the right-hand
compartment contains 60 millimolar urea, a small, charged molecule that does
not dissociate. Which one of the following statements is correct? - ANSWER
Water will not flow because osmotic forces are balanced
The following is the part of an amino acid that differs from one amino acid to
another. ____ - ANSWER R-group
In a chain of amino acids, more than one are linked through what type of bond?
- ANSWER Peptide and covalent bond
Triglycerides are made up of 1 long chain fatty acid and three glycerols -
ANSWER False
Which of the following is the least stable form of phospholipid structure? -
ANSWER Micelle
