*Unit 3 Part 1: Cell Theory and Types of Cells

Question 1

List the levels of organization in an organism from smallest to largest.

Answer 1

~Organelle
~Cell
~Tissue
~Organ
~Organ System
~Organism

Question 2

Organelle

Answer 2

Structure that has a specific function in a cell

Question 3

Cell

Answer 3

Basic unit of life

Question 4

Tissue

Answer 4

Group of cells working together to perform a common function

Question 5

Organ

Answer 5

Tissues working together

Question 6

Organ System

Answer 6

Group of organs working together

Question 7

Organism

Answer 7

Entire living being

Question 8

When was the invention of the light microscope created?

Answer 8

Early 1600’s

Question 9

What did the light microscope allow people to do?

Answer 9

See life at the microscopic level

Question 10

Explain when and what Hooke’s discovery was.

Answer 10

1665.
Looked at cork under a microscope and called the boxes “cells”

Question 11

Who coined the term “cell”

Answer 11

Hooke

Question 12

Explain when and what Leeuwenhoek’s discovery was.

Answer 12

1683.
Made a better light microscope that could magnify up to 200X. He was the first to observe small single celled organisms.

Question 13

Explain when and what Schleiden’s discovery was.

Answer 13

1838.
Plants are made of cells.

Question 14

Explain when and what Schwann’s discovery was.

Answer 14

1839.
Animals are made of cells.

Question 15

Explain when and what Virchow’s discovery was.

Answer 15

1858.
Cells come from preexisting cells.

Question 16

What is the Cell Theory?

Answer 16

1. Living things are composed of one or more cells
2. Cells are the basic units of structure and function of living things
3. New cells arise from preexisting cells

Question 17

Cells perform chemical reactions so that organisms can…

Answer 17

Acquire energy,
Reproduce,
Maintain homeostasis,
Produce proteins for growth and repair

Question 18

Prokaryotes are the _____ life forms.

Answer 18

simplest

Question 19

Prokaryotes are _____ celled organisms.

Answer 19

single

Question 20

Prokaryotes _____ a nucleus and membrane-bound organelles.

Answer 20

do not have

Question 21

Prokaryotes reproduce through _____.

Answer 21

binary fission

Question 22

Are bacteria prokaryotes or eukaryotes?

Answer 22

Prokaryotes

Question 23

Are archaea prokaryotes or eukaryotes?

Answer 23

Prokaryotes

Question 24

Eukaryotes reproduce through _____.

Answer 24

mitosis and meiosis

Question 25

Eukaryotes are _____, more complex organisms.

Answer 25

larger

Question 26

Are protists prokaryotes or eukaryotes?

Answer 26

Eukaryotes

Question 27

Are fungi prokaryotes or eukaryotes?

Answer 27

Eukaryotes

Question 28

Are plants prokaryotes or eukaryotes?

Answer 28

Eukaryotes

Question 29

Are animals prokaryotes or eukaryotes?

Answer 29

Eukaryotes

Question 30

Eukaryotes _____ a nucleus and membrane-bound organelles.

Answer 30

have