Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

grade 12 biology > chapter 3 > Flashcards

chapter 3 Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

definition of metabolism?

A

the sum of all chemical reactions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

when is energy absorbed?

A

when bonds are broken

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

when is energy released?

A

when bonds are formed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

anabolic pathways are also called?

A

biosynthetic pathways

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

are catabolic pathways exergonic or endergonic?

A

exergonic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

are anabolic pathways exergonic or endergonic?

A

endergonic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what do catabolic pathways do, and what is an example of one?

A

they break down large molecules, like digestive enzymes breaking down food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what do anabolic pathways do, and what is an example of one?

A

they build molecules, like amino acids forming a muscle protein or photosynthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

define energy

A

the capacity to do work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

the two types of energy are…?

A

potential and kinetic energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is kinetic energy?

A

energy associated with motion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is potential energy?

A

stored energy due to position, which includes bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is an example of kinetic energy?

A

heat, the kinetic energy associated with random movement of atoms and molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is an example of potential energy?

A

chemical energy, stored energy ready for chemical reactions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

define thermodynamics

A

study of energy transformations that occur in nature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is a closed system, and what is an example of one?

A

isolated from surroundings, like liquid in a thermos

17
Q

what is an open system, and what is an example of one?

A

energy and matter can be transformed between system and surroundings, like an organism

18
Q

what is the first law of thermodynamics?

A

energy cannot be created nor destroyed, but can be transformed from one type to another

19
Q

what is the second law of thermodynamics?

A

every energy transformation increases the entropy of the world/energy will be lost

20
Q

what is free energy?

A

the system’s energy that is available to work

21
Q

free energy is released in an _____ reaction

A

exergonic

22
Q

free energy is absorbed in an ______ reaction

A

endergonic

23
Q

what are the three types of cell work?

A

chemical, mechanical and transport

24
Q

ATP is also known as?

A

adenosine triphosphate

25
Q

what makes up ATP?

A

adenine, 3 phosphates and a ribose (sugar)

grade 12 biology (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions