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WorksheetsScience Chapter 2 Study Guide
Total questions: 39
Worksheet time: 20mins
Name
Class
Date
1.
What is Nucleic Acid?
a)
A series of chemical reactions that convert the energy in food molecules into ATP
b)
Organelle that uses light energy to make glucose from water and carbon dioxide.
c)
A macromolecule that forms when long chains of molecules called nucleotides join together.
d)
A long chain of amino acid molecules; contains carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
2.
What are organelles?
a)
Membrane-surrounded component of a eukaryotic cell with a specialized function.
b)
A series of chemical reactions that convert the energy in food molecules into ATP
c)
A liquid part of a cell inside the cell membrane.
d)
A network of threadlike proteins joined together that gives a cell its shape and helps it move
3.
What are carbohydrate?
a)
Some type of sugar
b)
A macromolecule made up of one or more sugar molecules, which are composed of carbon, hydrogen, and oxygen; usually the body's main source of energy.
c)
It's in your apples and oranges
d)
A reaction that eukaryotic and prokaryotic cells can use to obtain energy from food when oxygen levels are low.
4.
What is Cellular Respiration?
a)
It's probably something that happens in food.
b)
I don't really know.
c)
A series of chemical reactions that convert the energy in food molecules into ATP
d)
What?
5.
Who was responsible for naming cells?
a)
Some fish hook guy
b)
Robert Hooke
c)
Theodore Schwann
d)
Mr. Wog
6.
Chloroplast are:
a)
An organelle in the membrane that uses light energy and makes glucose from water and carbon dioxide in photosynthesis.
b)
The process by whihc molecuels pass through a cell membrane using special proteins called transport proteins.
c)
A process which a cell takes in a substance by surrounding it with the cell membrane
d)
The process during which a cell's vesicles release their contents outside the cell.
7.
When is fermentation used?
a)
When the cell has low carbon dioxide
b)
When the cell has low glucose
c)
When the cell has low oxygen.
8.
What is the cell membrane?
a)
A flexible covering that protects the inside of a cell from the environment outside the cell.
b)
A large chain of amino acid molecules
c)
The liquid part of a cell inside the cell membrane; contains salts and other molecules
d)
The movement of substances of an area of higher concentration to an area of lower concentration
9.
What is endocytosis?
a)
The process during which a cell takes in a substance by surrounding it with the cell membrane.
b)
The process during which a cell's vesicles release their contents outside the cell
10.
What is a protein?
a)
A long chain of amino acid molecules; contains carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
b)
A macromolecule made up of one or more sugar molecules, which are composed of carbon, hydrogen, and oxygen; usually the body's major source of energy.
11.
What is the cytoplasm?
a)
The liquid part of a cell inside the cell membrane; contains salts and other molecules.
b)
A flexible covering that protects the inside of a cell form the environment outside of the cell.
c)
An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers.
12.
What is glycolysis?
a)
Often called the "molecular unit of currency": transports chemical energy within cells for metabolism.
b)
A process by which glucose, is broken down into smaller molecules.
13.
What is Cell Theory?
a)
The theory that states that all living things are made from cells, the cell is the smallest unit of life, and all new cells come from preexisting cells.
b)
A theory that states that cells are non-existing
14.
What is the cytoskeleton?
a)
A network of threadlike proteins joined together that gives a cell its shape and helps it move.
b)
Is it on tables?
15.
Diffusion is:
a)
The movement of substances from an area of higher concentration to an area of lower concentration
b)
The diffusion of water molecules only through a membrane.
16.
What is the nucleus?
a)
A part of a cell that directs cell activity and contains genetic information stored in DNA.
b)
A macromolecule that forms when long chains of molecules called nucleotides join together.
17.
What is photosynthesis?
a)
A series of chemical reactions that convert light energy, water, and carbon dioxide into food energy molecule and glucose and give off oxygen.
b)
A series of chemical reactions that convert the energy in food molecules into ATP
c)
A reaction that eukaryotic and prokaryotic cells can use to obtain energy from food when oxygen levels are low
18.
What is active tranport?
a)
The movement of substances through a cell membrane without using the cell's energy
b)
The movement of substances through a cell membrane using the cell's energy.
19.
What is a vacuole?
a)
A space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
b)
An organelle found in large numbers in most cells, in which the biochemical processes of respiration
20.
What are prokaryotic cells?
a)
Simple, no nucleus, and few organelles (NO, PRO)
b)
Has a nuclues, (NU, EUK), and many organelles
21.
What is a eukaryotic cell?
a)
Simple, doesn't have a nuclues, and very few organelles.
b)
More advances, many organelles, and has a nucleus.
22.
What is a cell wall?
a)
A stiff structure outside the cell membrane that protects a cell form attack by viruses and other harmful organisms
b)
A flexible covering that protects teh inside of a cell form the environment outside the cell.
c)
The liquid part of a cell inside the cell membrane; contains salts and other molecules
23.
What is mitochondria
a)
An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production.
b)
Organelle that uses light energy and makes food from water and carbon dioxide.
24.
What is osmosis?
a)
The diffusion of water molecules only through a membrane.
b)
The equal movement of molecules from a higher concentration to a lower concentration.
25.
What is passive transport?
a)
The movement of substances through aclel membrane without using the cell's energy.
b)
A movement of substances from an area lower to higher that uses the cell's energy.
26.
What is ATP?
a)
Used in every cell for energy.
b)
A macromolecule made up of one or more sugar molecules, which are composed of carbon, hydrogen, and oxygen; usually the body's major source of energy.
27.
What is exocytosis?
a)
The process during which a cell's vesicles RELEASE (exit) their contents outside the cell.
b)
When a cell brings in contents to their cell.
28.
What is facilitated diffusion?
a)
The process by whihc molecules pass through a cell membrane using special protiens called transport proteins.
b)
The movement of substances through cell membrane without using the cell's energy.
c)
The movement of substances through a cell membrane using the cell's energy.
29.
What are the 3 principles of the cell theory and who came up with them?
a)
Schleiden- Cells are the basic unit of life, Schwann- All organisms are composed of cells, Virchow- All cells arise from preexisting cells.
b)
Aidan- lalalal, Courtney- wait, what are cells?, mav- im hungry.
30.
Who was the scientist responsible for giving cells their name?
a)
Robert Hooke
b)
Fishy fishy dude.
31.
How are plant cells different than animal cells?
a)
Animal cells have some of the organelles that not all plant cells have, and the other way around.
b)
They are both the same.
32.
What does the nucleus do?
a)
Absolutely nothing.
b)
It's the storage, retrieval and duplication of genetic information.
33.
How is osmosis related to diffusion?
a)
They both move substances from one side to another.
b)
They don't have anything in common.
34.
How is osmosis different from diffusion?
a)
Osmosis is the diffusion of water. Diffusion is the movement of molecules.
b)
They are exactly the same.
35.
How are active transport and passive transport related?
a)
They both move biochemicals from areas of higher to lower, or lower to higher.
b)
They are absolutely different.
c)
They both make food.
36.
How are active transport and passive transport different?
a)
Active transport moves biochemicals from lower or higher, using the cell's energy. Passive transport is higher to lower, not using the cell's energy.
b)
They are exactly the same.
c)
One pulls proteins in, the other makes them leave.
37.
Photosynthesis reactants and products:
a)
CO2+H2O+light energy-> glucose+o
b)
o+glucose-> ATP+CO2+H2O
38.
Cellular Respiration reactants and products:
a)
o+glucose->CO2+H2O
b)
glucose-> ATP+CO2+alchohol
39.
Fermentation reactants and products:
a)
Glucose-> ATP + CO2+alchohol and glucose->ATP+lactic acid
b)
It doesn't have anything in it.
c)
o+glucose->ATP+CO2+H2O
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