The more electronegative an atom, the greater the pull its nucleus exerts on ________

a. protons
b. electrons
c. neutrons
d. the electromagnetic fiel


Answer: b

Biology & Microbiology

You might also like to view...

The driving force for heart contraction is

a. contraction of the atria. b. contraction of the ventricles. c. closing of the AV valves. d. opening of the AV valves. e. closing of the aortic valve

Biology & Microbiology

Which of the following is a reason for metabolic regulation?

A. Ensure efficient use of energy stores B. Maintain cell components at appropriate levels C. Conserve materials D. All of the choices are correct.

Biology & Microbiology

What is the ultimate source of all diversity?

A) natural selection B) sexual recombination C) meiosis D) mutation

Biology & Microbiology

The prokaryotes that cause tooth decay have a ________ relationship with humans

A) parasitic B) predatory C) mutualistic D) competitive

Biology & Microbiology