BRCC Exam 2 Bio 1013 ACTUAL EXAM ||VERIFIED
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What is energy? - Answer-The ability to do work. Living
organisms obtain energy either directly from sunlight
(through photosynthesis) or from food they consume.
What is potential energy? - Answer-Stored energy.
What is kinetic energy? - Answer-The energy of motion or
movement.
What is chemical energy? - Answer-Potential energy
stored in the bonds of biological molecules.
What happens during energy transformation? - Answer-
Converted from one form to another and heat is lost to the
surrounding environment. (Sometimes not efficient)
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What is chlorophyll? - Answer-(Pigment molecule,
captures the energy from the sun. Utilized for light reaction
to take place)The pigment present in the green parts of
plants that absorbs photons of light energy during the
"photo" reactions of photosynthesis.
What color does chlorophyll reflect? - Answer-Green
What color does chlorophyll absorb? - Answer-Other
colors around it, such as red & blue
What are autotrophs? - Answer-Organisms such as plants,
algae, and certain bacteria that can make food from
inorganic (nonliving) starting materials
What are heterotrophs? - Answer-Organisms that can't
make their own food and must consume organic
molecules produced by other living organisms to obtain
energy
What occurs during photosynthesis? - Answer-During the
"photo" step, light energy is captured in chemical form. In
the process, water is split and oxygen is released as a by-
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product. During the "synthesis" step, this chemical energy
powers the formation of glucose molecules, using the
carbon atoms of carbon dioxide.
What is body mass index (BMI)? - Answer-An estimate of
body fat based on height and weight.
What is a calorie? - Answer-The amount of energy
required to raise the temperature of 1 g of water by 1°C
What is ADP? - Answer-Molecule that ATP becomes when
it gives up one of its three phosphate groups.
What is ATP? - Answer-The molecule in cells that powers
energy-requiring functions.
What occurs during aerobic respiration? - Answer-A series
of reactions that occurs in the presence of oxygen and
converts energy stored in food into ATP.
What occurs in the Glycolysis stage of aerobic cellular
respiration? - Answer-A series of reactions that breaks
down sugar into smaller units; glycolysis takes place in the