Expert answer:If you wanted to get the most possible energy from

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1. Define in
your own words the following terms; illustrate as appropriate.

Energy:

Potential energy;

Kinetic energy:

Heat:

Autotrophs:

Heterotrophs:

Photosynthesis

Carbon Fixation

2. If you eat a candy bar and go for a
long walk, not all the calories (energy) from the candy bar are used to power
your walk. What happens to the chemical
energy from the food that is not used for your movement?

3. If you wanted to get the most possible
energy from photosynthetic algae, should you eat algae directly or feed algae
to a cow, and then eat a burger made from that cow? Explain your answer.

4. Explain the steps of photosynthesis.
Light
“Photo” reactions:

Carbon
“Synthesis” reactions:

Where in the cell do the light reactions occur? (Be
specific)

Where do the carbon synthesis reactions occur?

What is used to power the carbon synthesis
reactions?

Where does this substance get its energy?

Where does the O­2 given off by the
photosynthesis reactions come from?

Where do the C atoms come from to produce glucose?

5.
The pigment chlorophyll is green because green light is reflected by the
pigment. What colors of light are
absorbed strongly by the chlorophyll molecule to be used during the light
reaction of photosynthesis?

1. Complete the table to answer
the following: What are the three energy-containing macromolecules and
approximately how much energy does each contain? What are the smaller molecules
into which each macromolecule is broken down during digestion?

Macromolecule

Subunits

Energy content (Calories/gram)

2. When we take in more energy that we need the body stores energy in
energy storage molecules – glycogen and fat (triglycerides). Compare and
contrast glycogen and fat as energy storage molecules by completing the table.

Glycogen

Fat (Triglycerides)

Excess
molecules used to build

Where
stored

Order in
which stored (First/second)

Ease of
breakdown (easiest/hardest)

Amount of
energy stored (must/least)

Order in
which used (first/second)

3. Our cells carry out a complex process of energy conversion resulting
in the production of ATP, the single molecule that acts as energy “currency”
for all living things.
How does ATP store energy?

How is energy released from
ATP?

What are the uses of
ATP? What do we use ATP For?

4. Aerobic respiration uses oxygen to break down energy-rich food
molecules and store their energy in the form of ATP. List the major inputs and
outputs of aerobic respiration.
Input molecules:

Output
(product) molecules:

5. Complete the table to compare and contrast the three stages of
aerobic respiration:

Location

Inputs

Outputs other than energy

Energy (ATP)

Glycolysis

Citric
Acid Cycle

Electron
Transport

Briefly describe each stage
of aerobic respiration:
Glycolysis:

Citric Acid Cycle:

Electron Transport:

6. The body needs and can
produce ATP even without oxygen (or insufficient oxygen). Complete the table to
compare and contrast stages of anaerobic respiration.

Location

Inputs

Outputs other than energy

Energy (ATP)

Glycolysis

Fermentation

Briefly describe each stage
of anaerobic respiration:
Glycolysis:

Fermentation:

7. Photosynthesis and aerobic
respiration form a cyclic relationship.
Describe the relationship between photosynthesis and aerobic respiration
in term of their respective inputs and outputs?