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keystone cell review

Total questions: 20

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

What cell process is best modeled by the diagram?

a)

osmosis

b)

exocytosis

c)

passive transport

d)

facilitated diffusion

2.

Most prokaryotes and eukaryotes maintain a reserve of ATP. Which feature of prokaryotes and eukaryotes makes the ATP reserve necessary?

a)

They have a cell membrane.

b)

They can change over time.

c)

They use energy to function.

d)

They have the ability to reproduce.

3.
Which statement best describes how active transport differs from passive transport? 
a)
Only active transport requires ATP. 
b)
Only active transport moves small particles. 
c)
Only active transport relies on a plasma membrane. 
d)
Only active transport allows substances to leave a cell. 
4.
All living organisms must maintain homeostasis in order to survive. Which statement best describes one way humans maintain homeostasis? 
a)
Temperature is regulated by giving off carbon dioxide. 
b)
Water content is regulated by giving off carbon dioxide. 
c)
Temperature is regulated by sweating. 
d)
Water content is regulated by sweating. 
5.

Small structures made of rRNA and protein found in all cells. Site of protein synthesis.

a)

Nucleus

b)

Golgi Body

c)

Ribosome

d)

Vesicle

6.

Which characteristic is shared by all prokaryotes and eukaryotes?

a)

Ability to store hereditary information

b)

Use of organelles to control cell processes

c)

Use of cellular respiration for energy release

d)

Ability to move in response to environmental stimuli

7.

What distinguishes a plant cell from an animal cell? (How do you tell them apart) Hint: There's 3 ways (Check all 3)

a)

Central Vacuole

b)

Mitochondria

c)

Cell Wall

d)

Ribosomes

e)

Chloroplasts

8.

I decide what goes in and out of the cell. I am fluid like and found in BOTH plant and animal cells. I am a...

a)

Cell Wall

b)

Cell Membrane

c)

Cytoplasm

d)

Golgi Apparatus

9.

Animal and Plant Cells are...

a)

Shopkoytes

b)

Eukaryotes

c)

Prokaryotes

d)

The building blocks of non-living things

10.

What type of cell is an animal cell?

a)

Prokaryotic

b)

Eukaryotic

11.

What type of cell is a plant cell?

a)

Prokaryotic

b)

Eukaryotic

12.

What type of cell is a bacterial cell?

a)

Prokaryotic

b)

Eukaryotic

13.

What is the smallest unit of an organism that can perform life functions?

a)

Organ system

b)

Organ

c)

Tissue

d)

Cell

14.

All organisms are made of

a)

organs

b)

tissues

c)

cells

15.

A cell without a true nucleus

a)

Prokaryotic

b)

Eukaryotic

16.

All cells have DNA,cytoplasm, ribosomes, and

a)

Nucleus

b)

Cell membrane

c)

Golgi body

d)

Endoplasmic Reticulum

17.

Abiotic means

a)

living

b)

not living

c)

almost living

18.

This cell is a(n)

a)

prokaryote

b)

eukaryote

19.

What does mitochondria do for the cell?

a)

provides the cells energy

b)

is the cell's control center

c)

fills and supports the cell

20.

Which statement best compares eukaryotic cells and prokaryotic cells?

a)

Eukaryotic cells are smaller than prokaryotic cells.

b)

Prokaryotic cells are more complex than eukaryotic cells.

c)

Prokaryotic cells contain a distinct central organelle, and eukaryotic cells do not.

d)

Eukaryotic cells contain membrane-bound organelles, and prokaryotic cells do not.