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Ch 8 Cell Structure and Function

Total questions: 52

Worksheet time: 39mins

Name
Class
Date
1.

Which scientists was responsible for looking at cork cells under the microscope in 1665 and calling them cells?

a)

Robert Hooke

b)

Mathias Schleiden

c)

Theodor Schwann

d)

Rudolf Virchow

2.

Which of the choices was not one of the scientists that played a part in the development of the cell theory?

a)

Anton van Leeuwenhoek

b)

Mathias Schleiden

c)

Theodor Schwann

d)

Rudolf Virchow

3.

When Leeuwenhoek was looking at scrapings from his teeth in 1673, he made drawings that we later realized were.........

a)

plant cells

b)

animal cells

c)

food particles

d)

bacteria

4.

The cell theory states that some living things are made of cells.

a)

True

b)

False

5.

Which of the following is NOT a statement of the cell theory?

a)

All living things are made of cells

b)

cells are the basic units of structure and function in living things

c)

new cells are produced from existing cells

d)

every single cell is unique and different

6.

Which type of microscope allows light to pass through a specimen and two lenses to form an image?

a)

scanning electron microscopes

b)

light microscope

c)

transmission electron microscope

d)

magnifying glass

7.

You can find the total magnification of something by....

a)

multiplying the ocular lens and the objective lens

b)

dividing the ocular lens by the objective lens

c)

dividing the objective lens by the ocular lens

d)

adding the ocular lens and the objective lens

8.

If I am looking at bacteria with a 10x ocular lens and a 6x objective lens, what is the total magnification power?

a)

3X

b)

600X

c)

60X

d)

6X

9.

What type of microscope uses beams of electrons that are focused by magnetic fields?

a)

light microscopes

b)

electron microscopes

c)

nuclear microscopes

d)

all three types

10.

What type of microscope would I be looking through if I saw this picture

a)

transmission electron microscope

b)

compound light microscope

c)

scanning electron microscope

d)

any of them would give this image

11.

Why do specimens have to be dead to use an electron microscope?

a)

because they are moving too much alive

b)

because they are in a vacuum

c)

because we need to stain or dye them

d)

they don't have to be dead

12.

Most bacteria do not have a nucleus and would be considered what type of cell?

a)

prokaryotic

b)

eukaryotic

c)

animal cells

d)

plant cells

13.

In many cells, the structure that controls the cell's activities is the

a)

cell membrane

b)

organelle

c)

nucleolus

d)

nucleus

14.

Which of the following is true of ALL single celled organisms

a)

they are all prokaryotes

b)

they are all bacteria

c)

they all reproduce

d)

they all have a nucleus

15.

What distinguishes a eukaryotic cell from a prokaryotic cell is the presence of

a)

a cell wall

b)

a nucleus

c)

DNA

d)

ribosomes

16.

Despite differences in size and shape, sat some point all cells have DNA and a

a)

cell wall

b)

cell membrane

c)

mitochondrion

d)

nucleus

17.

If you wanted to observe a microscopic living organism like an amoeba, which microscope would you use?

a)

light microscope

b)

transmission electron microscope

c)

scanning electron microscope

d)

you can use any of these

18.

In eukaryotic cells, chromosomes carrying information are found in the

a)

ribosomes

b)

nucleus

c)

lysosome

d)

cell membrane

19.

The organelles that break down lipids, carbohydrates, and proteins into small molecules that can be used by the cell are

a)

vacuoles

b)

lysosomes

c)

ribosomes

d)

cell membrane

20.

Cell membranes contain a central bilayer formed by

a)

phospholipids

b)

protein pumps

c)

carbohydrate chains

d)

protein channels

21.

What is the function of the ribosomes?

a)

make lipids for the cell membrane

b)

make proteins

c)

make carbohydrates for cell wall

d)

break down materials

22.

After materials leave the ER they go to the _____ to be modified, sorted, and packaged.

a)

Rough ER

b)

Vacuoles

c)

Lysosomes

d)

Golgi Appartatus

23.

Multicellular organisms are made of eukaryotic cells.

a)

True

b)

False

24.

Small structures in the cell that act like "tiny organs" are called.....

a)

cytoplasm

b)

organelles

c)

nucleolus

d)

vacuoles

25.

Which of the following allows things to move in and out of the nucleus

a)

cell membrane

b)

nucleolus

c)

nuclear pores

d)

chromatin

26.

Looking at a cell under a microscope you note that it is a eukaryote. How do you know this?

a)

The cell lacks cytoplasm

b)

the cell lacks a nucleus

c)

the cell has a nucleus

d)

the cell has a cell wall

27.

Which of the following is not found in the nucleus of the cell?

a)

mitochondria

b)

nucleolus

c)

chromatin

d)

DNA

28.

which organelle breaks down organelles that are no longer useful?

a)

mitochondria

b)

lysosome

c)

Golgi apparatus

d)

endoplasmic reticulum

29.

Which structure stores materials, such as water, salts, proteins, and carbohydrates?

a)

A

b)

B

c)

C

d)

D

30.

Which sequence correctly traces the path of a protein in the cell?

a)

ribosome, ER, Golgi apparatus

b)

ribosome, ER, chloroplast

c)

ER, lysosome, Golgi apparatus

d)

ribosome, Golgi apparatus, ER

31.

Which organelle converts the chemical energy stored in food into usable energy?

a)

chloroplast

b)

endoplasmic reticulum

c)

Golgi apparatus

d)

mitochondria

32.

Which of the following is a function of the cell membrane?

a)

breaks down lipids, carbohydrates, and proteins from foods

b)

stores water, salt., protein, and carbohydrates

c)

keeps the cell wall in place

d)

regulates the movement of materials into and out of the cell

33.

Electrons pass through thin slices of brain to reveal a neurological disease. They are using a _____ microscope.

a)

scanning electron

b)

transmission electron

c)

compound light

d)

any of them can be used to diagnose this

34.

The cell membrane contains channels and pumps that help move materials from one side to the other. These are made of...

a)

carbohydrates

b)

bilipids

c)

lipids

d)

proteins

35.

In plants, ______ capture energy from sunlight and convert it into chemical energy.

a)

mitochondria

b)

chloroplasts

c)

ribosomes

d)

cytoplasm

36.

Thylakoids are membrane stacks found in the chloroplast that contain a green pigment called......

a)

chloroplasts

b)

chlorophyll

c)

keratin

d)

thylakophyll

37.

Which of the following organisms are prokaryotes?

a)

plants

b)

animals

c)

bacteria

d)

fungi

38.

Which of the following is a function of the nucleus?

a)

stores DNA

b)

stores sugars

c)

builds proteins

d)

packages proteins

39.

Which of the following is a function of the cytoskeleton?

a)

helps a cell keep its shape

b)

contains DNA

c)

surrounds the cell

d)

helps make proteins

40.

Which organelle would expect to find in plant cells but not in animal cells?

a)

mitochondria

b)

chloroplasts

c)

ribosomes

d)

smooth ER

41.

The ribosomes make proteins using coded instructions from the mitochondria.

a)

True

b)

False

42.

Which of the following structures is the outer layer of a plant cell?

a)

cell membrane

b)

cell wall

c)

cytoplasm

d)

nucleus

43.

Unlike smooth endoplasmic reticulum, rough endoplasmic reticulum has _____ attached to it.

a)

lysosomes

b)

vacuoles

c)

ribosomes

d)

cytoskeleton

44.

The cell takes in food and water and eliminates wastes through a selectively permeable membrane

a)

True

b)

False

45.

Which two structures are responsible for meeting a cells energy needs?

a)

mitochondria and endoplasmic reticulum

b)

chloroplasts and nucleus

c)

ribosomes and mitochondria

d)

mitochondria and chloroplasts

46.

The rough ER manufactures lipids used in the cells membrane.

a)

True

b)

False

47.

The cell membrane is made of a bilayer of carbohydrates that are hydrophilic and dissolve in water.

a)

True

b)

False

48.

Which of the following is true of the image?

a)

the polar head is hydrophillic and the non polar tail is hydrophobic

b)

the non polar head is hydrophobic and the polar tail is hydrophilic

c)

the polar head is hydrophobic and the non polar tail is hydrophillic

49.

This is a(n)

a)

endoplasmic reticulum

b)

ribosome

c)

lysosome

d)

Golgi apparatus

50.

Which of the following is embedded in the lipid bilayer of the cell membrane and can move around?

a)

ribosomes

b)

proteins

c)

carbohydrates

d)

pores

51.

Nearly all of our mitochondria are inherited from our mom.

a)

True

b)

False

52.

The liver cells have large amounts of _______ because they detoxify drugs and other toxic things we ingest.

a)

Golgi bodies

b)

smooth ER

c)

rough ER

d)

nucleus