strayer sci115 quiz 2 and quiz 3 latest july 2015

| October 22, 2018

quiz 2• Question
1
2.5 out of 2.5 points

Oxygen has an atomic number of 8.
This means that an oxygen atom has
.

• Question
2
0 out of 2.5 points

A hydrogen bond is

• Question
3
2.5 out of 2.5 points

Electrons are shared in bonds
called

• Question
4
2.5 out of 2.5 points

A water molecule is polar because

• Question
5
2.5 out of 2.5 points

Which of the following is true of
water molecules when water becomes ice?

• Question
6
2.5 out of 2.5 points

What accounts for carbon’s
importance to life?

• Question
7
2.5 out of 2.5 points

What limits the size of a cell?
• Question
8
2.5 out of 2.5 points

Which of the following lipids
makes up most of a plasma membrane?

• Question
9
2.5 out of 2.5 points

Which of the following cell
features is absent in a bacterial cell?

• Question
10
2.5 out of 2.5 points

If you could stick a microscopic
pin into the center of a bacterium, what would the order of the structures you
would encounter from the outside in?

• Question
11
2.5 out of 2.5 points

What is the function of
ribosomes?

• Question
12
2.5 out of 2.5 points

The rough endoplasmic reticulum
is so called because ____ stud the surface of that organelle.

Week 3

• Question
1
2.5 out of 2.5 points

In order to survive, living
things must

• Question
2
2.5 out of 2.5 points

What happens to a molecule when
it is phosphorylated?

• Question
3
2.5 out of 2.5 points

The minimum amount of energy
needed to get a chemical reaction started is called the ___ energy.

• Question
4
2.5 out of 2.5 points

Osmosis involves

• Question
5
2.5 out of 2.5 points

When there is a “concentration
gradient” this means that

• Question
6
2.5 out of 2.5 points

Which of the following statements
about blood cells in solutions is CORRECT?
• Question
7
2.5 out of 2.5 points

Movement of substances that
requires the expenditure of ATP molecules is

• Question
8
2.5 out of 2.5 points

The ultimate energy source for
food production for most life on earth is

• Question
9
2.5 out of 2.5 points

Most of the colors we see around
us result from

• Question
10
2.5 out of 2.5 points

In which of the following
cellular organelles does photosynthesis take place?

• Question
11
2.5 out of 2.5 points

Which of the following generates
the most energy in the form of ATP?
aerobic respiration

• Question
12
2.5 out of 2.5 points

In aerobic respiration, the final
electron acceptor at the end of an electron transport chain is ________________.

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