Which of the following pairs of molecules can be held together by a hydrogen bond?
A) one polar molecule and one nonpolar molecule
B) two negative ions
C) two nonpolar molecules
D) two polar molecules
D
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Match the reactant in glycolysis on the left with the appropriate enzyme on the right.
A) phosphofructokinase B) phosphoglycerokinase C) fructase D) phosphoglyceromutase E) pyruvate kinase F) phosphoglycerase G) glucose kinase H) PEP kinase I) hexokinase J) aldolase K) fructose dehydrogenase 1) glucose 2) fructose-6-phosphate 3) fructose-1,6-bisphosphate 4) phosphoenolpyruvate 5) 1,3-bisphosphoglycerate 6) 3-phosphoglycerate
If a person experiences blood loss due to trauma and is in danger of going into shock, the standard treatment is to supply the person with intravenous saline solution. What support does this provide? Why is this treatment less effective than supplying whole blood?
What will be an ideal response?
Diabetes mellitus is
a. a(n) endocrine disorder in which too much insulin is taken in by cells. b. a(n) endocrine disorder in which too little insulin is taken in by cells. c. the same as Type II diabetes. d. the results of obesity. e. a disease of the liver.
A-T base pairs in a DNA double helix
A: are of a substantially different length than G-C base pairs. B: are chemically distinct from G-C base pairs. C: are not accessible to DNA binding proteins. D: are more heat stable than G-C base pairs. E: form three hydrogen bonds with each other.