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