science test 12/21/21

Question 1

Hooke

Answer 1

The first scientist to observe cells and used the compound microscope

Question 2

Leeuwnhook

Answer 2

discovery of bacteria in ponds and used the simple microscope

Question 3

schleiden

Answer 3

concluded that all plants are made up of cells

Question 4

virchow

Answer 4

proposed that all cells come from other cells

Question 5

Schwann

Answer 5

concluded that all animals are made up of cells

Question 6

an instrument that makes small objects look larger

Answer 6

microscope

Question 7

uses more than one lense

Answer 7

compound microscope

Question 8

a widely accepted explanation of the relationship between cells and living things

Answer 8

cell theory

Question 9

to enlarge in fact or appearance

Answer 9

magnification

Question 10

curved outwards

Answer 10

convex

Question 11

T/F Schwann worked alone to develop the cell theory

Answer 11

False

Question 12

T/F Organisms who have cells lack a nucleus are called prokaryotes

Answer 12

True

Question 13

T/F The cell theory is only true for living things that are small

Answer 13

False

Question 14

T/F Magnification is the ability to make things look larger than they are

Answer 14

True

Question 15

T/F Chromatin floats in the nucleus which contains genetic material or instructions for the cells functions

Answer 15

True

Question 16

A light microscope can magnify objects up to

____ times their original size.

Answer 16

1,000

Question 17

A ______ is an instrument that makes small objects appear larger

Answer 17

Microscope

Question 18

A ______ is a rigid layer of nonliving material that surrounds the plant cell.

Answer 18

cell wall

Question 19

______ is the microscope that has better resolution

Answer 19

electron

Question 20

The lenses in a light microscope magnifies an object by _____ the light that passes through it.

Answer 20

bending

Question 21

Name the three parts of the cell theory in order

Answer 21

All living things are composed of cells, cells are the basic units of structure and function in living things, all cells are produced from other cells

Question 22

Describe the difference between a light microscope and an electron microscope

Answer 22

An Electron microscopes uses a beam of light and light microscopes have a mirror that focuses light through the specimen.

Question 23

How do the cells of bacteria differ from those of other organisms

Answer 23

Bacteria cells lack a nucleus. All of the other organisms contain a nucleus.

Question 24

Compare and contrast magnification and resolution

Answer 24

Both magnification and resolution help you see things better but magnification makes it larger whereas resolution makes it clearer.