Name_____________________
Period_____________________
Date_____________________
Keystone Questions of the Day
Bioenergetics
Day 1
1. _____Which of the following organelles convert solar energy into glucose and
oxygen?
a. Vacuoles
b. Endoplasmic reticulum
c. Mitochondria
d. Chlorplasts
2. _____During photosynthesis, plants capture light energy from the Sun to break
weak bonds in reactants, such as carbon dioxide and water, and form carboncontaining molecules such as glucose. The carbon-containing molecules can then
be used
a. To synthesize essential amino acids.
b. To assemble larger molecules, such as DNA, proteins, and fats.
c. To produce inorganic compounds, such as sulfuric acid.
d. All of these
Name_____________________
Period_____________________
Date_____________________
Keystone Questions of the Day
Bioenergetics
Day 2
1. _____Cells obtain energy by either capturing light energy through photosynthesis
or by breaking down carbohydrates through cellular respiration. In both
photosynthesis and cellular respiration, the energy is ultimately derived from the
Sun in a
a. Highly efficient process which involves no loss of heat to the environment
b. One-way process
c. Pathway that involves taking in heat from the environment
d. Reversible process
2.
_____In order to function properly, cells must perform many reactions.
Metabolism is the sum of all the chemical reactions in an organism. During
metabolism, ATP
I.
Is broken down to fuel chemical reactions
II.
Is created by chemical reactions
III.
Is shuttled from one cell to another
a. I and III only
b. III only
c. I, II, and III
d. I and II only
Name_____________________
Period_____________________
Date_____________________
Keystone Questions of the Day
Bioenergetics
Day 3
1.
_____At the beginning of cellular respiration, energy is stored in the bonds of
__________________ molecules. At the end of the cellular respiration process,
energy is stored in the bonds of _________________ molecules.
a. Glucose, ATP
b. ATP, glucose
c. CO2, glucose
d. CO2, ATP
2.
_____Which of a cell’s organelles releases energy stored in food?
a. Mitochondria
b. Lysosomes
c. Endoplasmic reticulum
d. Chloroplasts
Name_____________________
Period_____________________
Date_____________________
Keystone Questions of the Day
Bioenergetics
Day 4
1.
_____During photosynthesis, plants take in light energy from the Sun, carbon
dioxide from the air, and water through their roots to produce
a. Sugar and nitrogen
b. Proteins and oxygen
c. Sugar and oxygen
d. Proteins and nitrogen
2.
_____Photosynthesis is carried out by which of the following?
a. Bacteria, but neither animals nor plants
b. Plants, but not animals
c. Animals, but not plants
d. All living organisms
Name_____________________
Period_____________________
Date_____________________
Keystone Questions of the Day
Bioenergetics
Day 5
1.
_____Which of the following is true about plants and cellular energy?
a. Plants use light energy to produce food molecules during cellular
respiration, and obtain cellular energy from the bonds of these food
molecules during photosynthesis.
b. Plants use light energy to produce food molecules during hotosynthesis,
and obtain cellular energy from the bonds of these food molecules during
cellular respiration.
c. Plants can both use light energy to produce food molecules and obtain
cellular energy from the bonds of these food molecules during
photosynthesis.
d. Plants can both use light energy to produce food molecules and obtain
cellular energy from the bonds of these food molecules during cellular
respiration.
2.
_____Through the process of hydrolysis, cells remove phosphate groups from
molecules of ATP to form molecules of ADP. This hydrolytic reaction results in
a. The formation of low-energy bonds to store free energy.
b. The formation of high-energy bonds to store free energy.
c. The breaking of high-energy bonds to produce free energy.
d. The breaking of low-energy bonds to produce free energy.