Chapter 1: Biochemistry Basics Flashcards
What is anything that has mass and occupies space?
matter
What are the most abundant elements in living matter?
carbon, hydrogen, nitrogen, oxygen, phosphorous, and sulfur
List the then three parts that make up an atom.
Proton, neutron, and electron
What is the sum of protons and neutrons?
mass number
How can we distinguish between one element from another?
the number of protons it has
We refer to negatively charged ions, that gain electrons as ____
anions
What is the STRONGEST bond?
covalent bond
What is the molecular weight of propane (C3H8)
C= 12.011
H= 1.007
44.095 g/mol
Molecular or Structural formula?
C6H12O6
molecular
Which is larger: F or F-
F-
Which is larger: Na or Na+?
Na
What term describes that the total mass of reactants will be equal to the total mass of products?
law of conservation of mass
State the formula for the equilibrium constant (K)
K = [C]^c[D]^d/ [A]^a[B]b
What do we refer to as our proton acceptors? Name an example.
bases, hydroxyl ions, bicarbonate ions
What is the normal resting pH of arterial blood?
7.4
What kinds of solution have a pH greater than 7 and have a greater concentration of hydrogen ions?
acidic solutions
What two products will form as a result of our acid-base reactions?
salt and water will form
What is the term for the sum of all the chemical reactions in our bodies?
metabolism
What are the three main reasons why biochemistry is important?
basic science, sport performance, and health sciences/public health
What is biochemistry?
study of biochemical and metabolic changes that occur during exercise at the molecular level
T/F. There is a direct relationship between aerobically/physical fitness to all cause mortality
True
What type of bond has an equal share of electrons
Nonpolar, O2
