Chapter 6 Post

Question 1

How many covalent bonds is a carbon atom expected to make?

Answer 1

4

Question 2

This question might or might not have multiple correct answers.

Which of the following hydrocarbons has/have a double bond in its/their carbon skeleton?

Answer 2

C3H6

C2H4

Question 3

This question might or might not have more than one correct answer.

Which of the following statements is/are true when comparing triglycerides and phospholipids?

Answer 3

All triglycerides have three fatty acid chains, and all phospholipids contain two fatty acid chains.

Both triglycerides and phospholipids can be composed of unsaturated fatty acid chains.

Question 4

Which of the following is a nonpolar functional group?

Answer 4

methyl

Question 5

_______________ are instructions for building the molecules that do the work of the cell.

Answer 5

genes

Question 6

A functional group is

Answer 6

a group of atoms within a molecule that has its own specific properties

Question 7

A ______________ is made by attaching ________ together via____________

Answer 7

Polymer
Monomer
dehydration synthesis

Question 8

Proteins are long chains of amino acids. They are folded, and are held together in a three-dimensional shape by chemical bonds between side chains of the amino acids. Which of the following type of bonds that help maintain protein shape will be most affected by a change in pH?

Answer 8

hydrogen bonds

ionic bonds

Question 9

Changing the pH can cause a protein to:

Answer 9

unfold

Question 10

How many covalent bonds can each form?
H
O
N
C

Answer 10

H-1
O-2
N-3
C-4