Week 2 Quiz
Childbirth
A condition NOT regulated by a negative feedback loop would be:
lower the activation energy needed to start the reaction
An enzyme acts to
Isotopes
The nucleus of unstable _____ of an element will decay leading to emission of radiation
Atomic mass
This refers to a weighted average of the atomic weights of all naturally occurring isotopes of an element
Effector
Which feedback system structure receives output from the control center?
organism - organ system - organ - tissue - cellular - chemical
Which of the following correctly list the levels of structural organization in the human body from largest to smallest?
C and D
Which of the following is an example of the basic life process called growth? A. muscle contraction B. digestion of proteins C. lifting weights and gaining muscle mass D. mineral deposits accumulating between bone cells to cause a bone to lengthen
B only
Which of the following subatomic particles are shared by two atoms to form covalent bonds? A. neutron B. electron C. proton
Energy
Which term is defined as the capacity to do work?
Metabolism
Which term refers to the sum of all chemical processes that occur in the body?
