1|Page
UA BSC 108 EXAM 2 LATEST 2024 WITH
ACTUAL QUESTIONS AND CORRECT VERIFIED
ANSWERS/ALREADY GRADED A+ 100%
GUARANTEED TO PASS CONCEPTS(ALL WHAT
YOU NEED) LATEST EDITION 2024
What do all living organisms need to sustain life? -
.....ANSWER ...✔✔ Nutrients, water, and energy
What is energy? - .....ANSWER ...✔✔ The capacity to
do work
What are the different types of energy? - .....ANSWER
...✔✔ Kinetic, potential, thermal, chemical, and more
How do we measure energy? Why? - .....ANSWER
...✔✔ Joules or calories, to quantify energy changes
What is the study of energy? - .....ANSWER ...✔✔
Thermodynamics
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What is a calorie? - .....ANSWER ...✔✔ A unit of
energy
What is a Calorie? (there is a difference between this
one and the one above.) - .....ANSWER ...✔✔ A
kilocalorie, or 1000 small calories
What is the First Law of Thermodynamics? Know it and
what it means. - .....ANSWER ...✔✔ Energy cannot be
created or destroyed, only transferred or changed in
form
Why is heat lost in biological systems? - .....ANSWER
...✔✔ Because no process is perfectly efficient
Where does new energy come from? How is most
energy lost (in what form)? - .....ANSWER ...✔✔ The
sun; lost as heat
What is the Second Law of Thermodynamics? Know it
and what it means. - .....ANSWER ...✔✔ Entropy of an
isolated system always increases
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What is entropy? - .....ANSWER ...✔✔ Measure of
disorder
How do you make a reaction go that requires energy? -
.....ANSWER ...✔✔ Provide energy (like ATP)
What is activation energy? - .....ANSWER ...✔✔ The
energy needed to start a reaction
What is an enzyme and how do they work? -
.....ANSWER ...✔✔ Biological catalysts that speed up
reactions by lowering activation energy
What factors affect how well enzymes work? -
.....ANSWER ...✔✔ Temperature, pH, substrate
concentration
How does an enzyme inhibitor work? - .....ANSWER
...✔✔ Binds to enzyme and reduces its activity
What is ATP and what is it used for? - .....ANSWER
...✔✔ Energy currency of the cell
UA BSC 108 EXAM 2 LATEST 2024 WITH
ACTUAL QUESTIONS AND CORRECT VERIFIED
ANSWERS/ALREADY GRADED A+ 100%
GUARANTEED TO PASS CONCEPTS(ALL WHAT
YOU NEED) LATEST EDITION 2024
What do all living organisms need to sustain life? -
.....ANSWER ...✔✔ Nutrients, water, and energy
What is energy? - .....ANSWER ...✔✔ The capacity to
do work
What are the different types of energy? - .....ANSWER
...✔✔ Kinetic, potential, thermal, chemical, and more
How do we measure energy? Why? - .....ANSWER
...✔✔ Joules or calories, to quantify energy changes
What is the study of energy? - .....ANSWER ...✔✔
Thermodynamics
,2|Page
What is a calorie? - .....ANSWER ...✔✔ A unit of
energy
What is a Calorie? (there is a difference between this
one and the one above.) - .....ANSWER ...✔✔ A
kilocalorie, or 1000 small calories
What is the First Law of Thermodynamics? Know it and
what it means. - .....ANSWER ...✔✔ Energy cannot be
created or destroyed, only transferred or changed in
form
Why is heat lost in biological systems? - .....ANSWER
...✔✔ Because no process is perfectly efficient
Where does new energy come from? How is most
energy lost (in what form)? - .....ANSWER ...✔✔ The
sun; lost as heat
What is the Second Law of Thermodynamics? Know it
and what it means. - .....ANSWER ...✔✔ Entropy of an
isolated system always increases
, 3|Page
What is entropy? - .....ANSWER ...✔✔ Measure of
disorder
How do you make a reaction go that requires energy? -
.....ANSWER ...✔✔ Provide energy (like ATP)
What is activation energy? - .....ANSWER ...✔✔ The
energy needed to start a reaction
What is an enzyme and how do they work? -
.....ANSWER ...✔✔ Biological catalysts that speed up
reactions by lowering activation energy
What factors affect how well enzymes work? -
.....ANSWER ...✔✔ Temperature, pH, substrate
concentration
How does an enzyme inhibitor work? - .....ANSWER
...✔✔ Binds to enzyme and reduces its activity
What is ATP and what is it used for? - .....ANSWER
...✔✔ Energy currency of the cell
