Portage Learning Chem 210 - FINAL exam

Portage Learning Chem 210 - FINAL exam
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 .


Thymin
e

,Guanin
e 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


Which of the following is the structure of ADP?