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BIO 156 EXAM 1 | 171 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS | UPDATED 2025
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BIO 156 EXAM 1 | 171 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS | UPDATED 2025
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BIO 156 EXAM 1 | 171 QUESTIONS ANDANSWERS WITH COMPLETE SOLUTIONS |
UPDATED 2025
Chloroplast of plants - ANSWER photosynthesis converts energy from the sun
into glucose and oxygen
Glucose is broken down - ANSWER In the mitochondria through a process
called cellular respiration, releasing energy
Glycolysis, the Kreb's cycle , and electron transfer chain - ANSWER Process of
cellular respiration is comprise of 3 stages
Glycolysis - ANSWER First step of cellular respiration, where one molecule of
glucose is broken into 2 molecules of pyruvic acid
Cytoplasm cells - ANSWER Glycolysis occurs
Glycolysis can be found - ANSWER In all living organisms
In glycolysis - ANSWER Two NADH and four molecules of ATP are produced, 2
molecules of ATP are used in this process leaving a net total of 2 ATP molecules
Glycolysis reaction - ANSWER Does not require oxygen, so can occur in both
aerobic and anaerobic situation
,The kreb's cycle take place - ANSWER Reaction in which pyruvate is broken
down by enzymes to carbon dioxide. Occurs in the mitochondria- the area outside
of the cristae.
Pyruvate in kreb's cycle - ANSWER Is broken down in to carbon dioxide and ATP
During the break down of electrons in the kreb's clycle - ANSWER Electrons are
released and stored by forming compounds of NADH and FADH2
Produced in the kreb's cycle - ANSWER 6 NADH, 2 FADH, and 2 molecules of
ATP
Electron transport chain takes place - ANSWER Inner membrane of the
mitochondria
electron tansport chain - ANSWER NADH and FADH2 donate electrons to
electron carriers imbedded in the membrane
As the electrons are passed from compound to compound down the electron
transport chain - ANSWER Energy is released
In the end of an electron transport chain what's the total of molecules available -
ANSWER 36 molecules of ATP are available
, Plants preform preform photosynthesis and animals preform respiration -
ANSWER It implies that cellular respiration does not occur in plants. In fact
almost all eukaryotic cells uses cellular respiration to obtain energy
Photosynthesis and cellular respiration - ANSWER provide energy for life
Breathing - ANSWER Supplies oxygen to our cells and removes carbon dioxide
How is your breathing related to your cellular respiration? - ANSWER In
breathing, CO2 and O2 are exchanged between your lungs and the air. In cellular
respiration, cells use the O2 obtained through breathing to break down fuel,
releasing CO2 as a waste
Why are sweating and other body-cooling mechanisms necessary during vigorous
exercise? - ANSWER The demand for ATP is supported by increased rate of
cellular respiration but about 60 % of energy released from food produces body
heated instead of ATP
Cellular respiration - ANSWER Process that releases energy by breaking down
glucose and other food molecules in the presence of oxygen
Cellular respiration banks - ANSWER Energy an ATP molecules
redox reaction - ANSWER the movement of electrons from one molecule to
another
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