Bio 201 Exam 1 (NAU) (Williams) UPDATED ACTUAL Exam Questions and CORRECT Answers

Bio 201 Exam 1 (NAU) (Williams)
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Which of the following lists levels of human structure from the most complex to the simplest? -
CORRECT ANSWER - Organ system, organ, tissue, cell, organelle



Metabolism is the sum of _______ and ____________. - CORRECT ANSWER -
Anabolism; Catabolism


We live in an ever changing environment outside of our body, yet our internal conditions remain
relatively stable. This is called________________? - CORRECT ANSWER - Homeostasis


An educated speculation or a possible answer to a question that can be tested is called a(n)
______________. - CORRECT ANSWER - Hypothesis



Which of these has the highest H+ concentration? - CORRECT ANSWER - Stomach
secretions, pH= 2.3


Which of the following molecules is a buffer in your extracellular fluid? - CORRECT
ANSWER - HCO3-



What does the term hypernatremia mean? - CORRECT ANSWER - High Sodium
concentration


Which of the following is an example of positive feedback control? - CORRECT
ANSWER - An increase in uterine contractions from oxytocin secretion in labor


A protein that is bound to a carbohydrate is called a ___________. - CORRECT
ANSWER - Glycoprotein