Question 2
3 / 3 pts
Question 3
3 / 3 pts
Question 4
3 / 3 pts
Question 5
3 / 3 pts
Portage Learning Chem 210 – FINAL exam
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Question 1
3 / 3 pts
True or False: Nitrogen is called the superglue of the chemical world.
FALSE
True or False: Large elements, such as strontium, are common in
biomolecules.
FALSE
True or False: The time it takes for a compound to flow through a metabolic
pathway is called the payoff phase.
FALSE
True or False: Proteins, carbohydrates, and fats all get broken down into
acetyl-CoA.
TRUE
True or False: A fat is a lipid molecule that is a solid at room
temperature. TRUE
Question 6
3 / 3 pts
In DNA, guanine always pairs with .
Thymin
e
Guanin
e Uracil
Question 7
3 / 3 pts
Question 8
3 / 3 pts
Cytosine
Both A and
B
CYTOSINE
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
Which of the following is the structure of ADP?