Portage Learning Chem 210 Final Exam 1

Portage Learning Chem 210 Final Exam 1

Question 1
pts
True or False: Nitrogen is called the superglue of the chemical world.
FALSE


Question 2
pts
True or False: Large elements, such as strontium, are common in biomolecules.
FALSE


Question 3
pts
True or False: The time it takes for a compound to flow through a metabolic pathway is
called the payoff phase.
FALSE


Question 4
pts
True or False: Proteins, carbohydrates, and fats all get broken down into acetyl-CoA.
TRUE


Question 5
pts
True or False: A fat is a lipid molecule that is a solid at room temperature.
TRUE


Question 6
pts

, In DNA, guanine always pairs with ________.
Thymine
Guanine
Uracil
Cytosine
Both A and B
CYTOSINE


Question 7
pts
Water is considered a polar solvent due to attractive forces known as hydrogen bonds.
A hydrogen bond is __________.
 A bond that is stronger than a covalent bond
 An attractive force between molecules where partially positive hydrogen atoms
are
attracted to partially negative atoms of F, O, or N.
 The polar O–H bond in water
 An ionic bond between H and another atom
 A covalent bond between H and O
AN ATTRACTIVE FORCE BETWEEN MOLECULES WHERE PARTIALLY POSITIVE
HYDROGEN ATOMS ARE ATTRACTED TO PARTIALLY NEGATIVE F, O, OR N


Question 8
pts