WorksheetsA.3 Bioenergetics (Life Energy)
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
Match the description to the correct term in the drop down menu: ADENOSINE TRIPHOSPHATE (ATP)
a)
A molecule that provides energy for cellular reactions/processes
b)
A simple sugar; a form of chemical energy that plants create using sunlight
c)
An organelle found that is the site of cellular respiration (powerhouse)
d)
The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
e)
The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.
2.
Match the description to the correct term in the drop down menu: GLUCOSE
a)
A simple sugar; a form of chemical energy that plants create using sunlight
b)
An organelle found that is the site of cellular respiration (powerhouse)
c)
The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
d)
A molecule that provides energy for cellular reactions/processes
e)
The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.
3.
Match the description to the correct term in the drop down menu: CELLULAR RESPIRATION
a)
The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
b)
A simple sugar; a form of chemical energy that plants create using sunlight
c)
An organelle found that is the site of cellular respiration (powerhouse)
d)
A molecule that provides energy for cellular reactions/processes
e)
The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.
4.
Match the description to the correct term in the drop down menu: MITOCHONDRION
a)
An organelle found that is the site of cellular respiration (powerhouse)
b)
A simple sugar; a form of chemical energy that plants create using sunlight
c)
The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
d)
A molecule that provides energy for cellular reactions/processes
e)
The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.
5.
Match the description to the correct term in the drop down menu: CHLOROPLAST
a)
An organelle found in plant cells that converts solar energy into glucose during the process of photosynthesis.
b)
A simple sugar; a form of chemical energy that plants create using sunlight
c)
An organelle found that is the site of cellular respiration (powerhouse)
d)
The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
e)
A molecule that provides energy for cellular reactions/processes
6.
Match the description to the correct term in the drop down menu: PHOTOSYNTHESIS
a)
The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.
b)
A simple sugar; a form of chemical energy that plants create using sunlight
c)
An organelle found that is the site of cellular respiration (powerhouse)
d)
The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
e)
A molecule that provides energy for cellular reactions/processes
7.
Using a microscope, a student observes a small, green organelle in a plant cell. Which energy transformation most likely occurs first within the observed organelle?
a)
ATP to light
b)
light to chemical
c)
heat to electrical
d)
chemical to chemical
8.
Students often know that the mitochondrion is the "powerhouse of the cell." Which energy transformation most likely occurs in this organelle?
a)
ATP to light
b)
light to chemical
c)
heat to electrical
d)
chemical to chemical
9.
Photosynthesis and cellular respiration are two major processes of carbon cycling in living organisms. Which statement correctly describes one similarity between photosynthesis and cellular respiration?
a)
Both occur in animal and plant cells.
b)
Both include reactions that transform energy.
c)
Both convert light energy into chemical energy.
d)
Both synthesize organic molecules as end products
10.
Which statement best describes a direct role of ATP in a paramecium?
a)
ATP provides the energy to move cilia.
b)
ATP stores the genetic code for replication.
c)
ATP signals the presence of other nearby organisms.
d)
ATP senses changes in the surrounding aquatic environment.
11.
How does a mitochondrion facilitate the movement of some materials between cells?
a)
It manufactures the proteins needed to form channels in cell membranes.
b)
It supplies digestive substances that break large molecules into smaller units.
c)
It supplies the energy needed for moving molecules through membranes.
d)
It produces fibers that attach to molecules and move them through the cytoplasm.
12.
Four students classified the main energy conversions that occur during photosynthesis and cellular respiration. Which student best classified the energy conversions that occur in the two processes?
a)
student 1
b)
student 2
c)
student 3
d)
student 4
13.
A scientist observed that during the course of a chemical reaction the number of ATP molecules was reduced. What did the scientist most likely learn from the observation?
a)
The reaction produced water.
b)
The reaction consumed water.
c)
The reaction caused an output of energy.
d)
The reaction required an input of energy.
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