What will the pH scale measure?
a. The amount of carbon in a solution
b. The amount of hydrogen in a solution.
c. The amount of protein in a solution.
d. The amount of solute dissolved in a solution.
e. The amount of nitrogen in a solution.
b
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A soil sample was diluted into a nutrient broth, then spread onto a plate and grown for one week at room temperature. Several colonies appeared dusty or fuzzy and yet were identified as bacteria-not as fungi
Which genus do these isolates likely belong in? A) Actinomyces B) Mycobacterium C) Nocardia D) Streptomyces
Which of the following pairings is not correct?
A) adenylyl cyclase-ATP B) phospholipase C-diacylglycerol (DAG) C) phospholipase C-inositol triphosphate D) calmodulin-calcium ions
An advantage of storing energy as fat as opposed to glycogen is that fat
a. feeds sugars directly into glycolysis. b. requires more associated water during storage, providing a water reserve. c. stores more calories in each gram. d. is easier to transport through the bloodstream. e. provides a storage reserve for B vitamins.
Which of the following infectious organisms is the smallest?
A.) Viroid B.) Prion C.) Virus D.) Bacteria