Lab Exam 1

Front 1

Scientific method

1)

Back 1

Observation

- take notice of something

Front 2

Scientific method

2)

Back 2

Question

- Question the observation made

Front 3

Scientific method

3)

Back 3

Hypothesis

- Generate a hypothesis using deductive reasoning

Front 4

Scientific method

4)

Back 4

Experiment

- Test the hypothesis

Front 5

Scientific method

5)

Back 5

Draw Conclusions

- Accept or not accept the hypothesis

Front 6

Scientific method

6)

Back 6

Publish conclusions

Front 7

Independent Variable

Back 7

The one thing you can change

- (Limit one per experiment)

Front 8

Dependent Variable

Back 8

The change that happens because of the independent variable

(The thing you are measuring)

Front 9

Controlled Variable

Back 9

Everything you want to remain constant or unchanging

Front 10

Scientific Theory

Back 10

- Much broader in scope than a hypothesis

- General enough to generate many new, specific hypotheses, which can be tested

-Supported by a large and usually growing body of evidence.

Front 11

Hypothesis (must be)

Back 11

-Testable

- Falsifiable

- Lead to predictions

Front 12

Which axis is the Dependent Variable on?

Back 12

Y Axis

Front 13

What axis is the Independent Variable on?

Back 13

X Axis

Front 14

Total Magnification

Back 14

10(_Objective)

Front 15

Parfocal

Back 15

When you focus at the lowest objective

(When one objective lens is in focus, they all are)

Front 16

Parcentered

Back 16

To align the centers of (optical lenses or diaphragms) along one axis.

Front 17

Prokaryotic Cell

Back 17

a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.

Front 18

Prokaryotic Cell domains (2)

Back 18

Archaea and bacteria.

Front 19

Eukaryotic Cell

Back 19

Any organism whose cells contain a nucleus and other organelles enclosed within membranes.

Plant Cell.

Front 20

What only form multicellular organisms

Back 20

eukaryotes

Front 21

Endosymbiosis

Back 21

One bacterium engulfs another (coexisting)

Front 22

Mitchondria and Chloroplasts demonstrate

Back 22

Endosymbiosis

Front 23

Cytoplasimic Streaming

Back 23

the movement of the fluid substance (cytoplasm) within a plant or animal cell. The motion transports nutrients, proteins, and organelles within cells.

Front 24

Carbon molecules are

Back 24

Organic

Front 25

Nonpolar covalent bonds

Back 25

A type of chemical bond where two atoms share a pair of electrons with each other.

Front 26

Polar covalent bonds

Back 26

A type of chemical bond where a pair of electrons is unequally shared between two atoms.

Front 27

Polymer

Back 27

A substance that has a molecular structure consisting of a large number of similar units bonded together

Front 28

Monomer

Back 28

A molecule that can be bonded to other identical molecules to form a polymer.

Front 29

Dehydration Synthesis

Back 29

The process of joining two molecules, or compounds, together following the removal of water

Front 30

Hydrolysis

Back 30

The chemical breakdown of a compound due to reaction with water.

Front 31

Bendedict's Reagent tests for

Back 31

Reducing sugars

Front 32

When positive Bendedict's Reagent turns..

Back 32

Yellow

Front 33

When negative Bendedict's Reagent turns..

Back 33

Blue

Front 34

Iodine tests for?

Back 34

Starch

Front 35

When negative the Idoine test turns..

Back 35

Orange/Yellow

Front 36

When positive the Idoine test turns..

Back 36

Blue/Black

Front 37

Sudan IV tests for?

Back 37

Lipids

Front 38

When positive Sudan IV turns..

Back 38

Red/Orange

Front 39

Biuret tests for?

Back 39

Protiens

Front 40

when positive Biuret turns

Back 40

Violet

Front 41

When negative biuret turns

Back 41

blue

Front 42

Dische Diphenylamine tests for

Back 42

Nucleic acids

Front 43

when positive Dische Diphenylamine turns

Back 43

Blue

Front 44

When negative Dische Diphenylamine turns

Back 44

clear