The atomic number of sodium is 11, and the atomic mass (mass number) is 23. This indicates that one atom of sodium will contain ________.

Fill in the blank(s) with the appropriate word(s).


Answer: 11 protons and 12 neutrons

Biology & Microbiology

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Water has an important stabilizing effect on temperature in living organisms and their environments

because as water absorbs heat, much of the energy is used to ____ instead of raising the temperature.

a. create hydrogen bonds b. create covalent bonds c. break surface tension d. break hydrogen bonds e. create hydration layers

Biology & Microbiology

When you consider the contribution of NADH and FADH2, how many of the 32 total ATP molecules

produced in cellular respiration come from the citric acid cycle?

a. 32 b. 28 c. 24 d. 20 e. 16

Biology & Microbiology

In the graph above, how can the change in infant mortality be explained as birth weight increases from 2 to 7 pounds?

A. A larger baby will have more developed organs and thus have greater fitness. B. A baby closer to 7 pounds will not be able to be delivered safely and thus have higher mortality. C. A baby closer to 2 pounds will not be able to be delivered safely and thus have lower mortality. D. A baby closer to 7 pounds will have more developed organs and thus have higher mortality. E. A baby closer to 7 pounds will have more developed organs and thus have lower mortality.

Biology & Microbiology

________ and ________ mean the same thing

A) Clade; parsimony B) Parsimony; analogy C) Clade; monophyletic taxon D) Derived; ancestral

Biology & Microbiology