Biology Lab Practical #1

Front 1

As Magnification increases, depth of field...

Back 1

DECREASES

Front 2

The total magnification of a microscope with a 5x ocular and a 40x objective in place is...

Back 2

200x

Front 3

As magnification increases, field of view...

Back 3

DECREASES

Front 4

As magnification increases, resolving power...

Back 4

INCREASES

Front 5

The distance between the specimen and the objective lens is called the ______ distance

Back 5

WORKING

Front 6

All of the following are features of ALL cells except:a. cell is bound by plasma membraneb. presence of internal membranesc. presence of DNAd. presence of ribosomes

Back 6

C. PRESENCE OF INTERNAL MEMBRANES

Front 7

Prokaryotic cells are typically much larger than eukaryotic cells...True or False

Back 7

FALSE

Front 8

In terms of cellular organization, a(n) ______ is defines by a random group size:a. unicelluarb.aggregatec. simple colonyd. complex colonye. multicellular

Back 8

B. AGGREGATE

Front 9

The organism volvox displays _____ cellular organization:a. unicellularb. aggregatec. simple colonyd.complex colonye. multicellular

Back 9

D. COMPLEX COLONY

Front 10

The cells of a multicellular organism are fully capable of surviving on their own...True or False

Back 10

FALSE

Front 11

Single celled organisms all living functions carried out by that cell Example: Amoeba

Back 11

UNICELLULAR

Front 12

Random groupe size no permanent connection between cells, each cell has individual cell membrane/wallExample: Protococcus

Back 12

AGGREGATE

Front 13

No physiological conection, maintain a predictable cellular structureExample: Scendesmus

Back 13

SIMPLE COLONY

Front 14

Physiological connections, some cells are specializedExample: Volvox

Back 14

COMPLEX COLONY

Front 15

Contain a large number of cells with specialized structure and function, no one cell can survive alone

Back 15

MULTICELLULAR

Front 16

Compounds that speed up a chemical reaction without being used up or altered

Back 16

ENZYMES (AS CATALYSTS)

Front 17

Material with which the catalyst reacts modified during the reaction to form a new product

Back 17

SUBSTRATE

Front 18

Chemicals that must bind for the enzyme to be active

Back 18

ACTIVATOR

Front 19

Nonprotein substances that usually bind to the active site on the enzyme and essential for the enzyme

Back 19

COFACTORS

Front 20

Organic cofactors, others may be simply metal ions

Back 20

COENZYME

Front 21

Facilitate the breakdown of starch

Back 21

AMYLASE

Front 22

As concentration increases the rate of dissapearance...

Back 22

INCREASES

Front 23

As concentration increases rate of time...

Back 23

DECREASES

Front 24

Dissolves other substances

Back 24

SOLVENT

Front 25

Substance being dissolved

Back 25

SOLUTE

Front 26

Water passes freely but regulates solutes

Back 26

SELECTIVELY PERMEABLE

Front 27

Higher concentration to lower concentration

Back 27

DIFFUSION

Front 28

Diffusion of water, if molecules can't move water will

Back 28

OSMOSIS

Front 29

Substances that can't cross membrane and cause osmosisie. hypo to hyper until iso

Back 29

OSMOTICALLY ACTIVE SUBSTANCE (OAS)

Front 30

Higher Concentration of OAS

Back 30

HYPERTONIC

Front 31

Lower concentration of OAS

Back 31

HYPOTONIC

Front 32

Same concentration of OAS

Back 32

ISOTONIC

Front 33

Plant Cell with no cell wall, cytoplasm enclosed by membrane

Back 33

PROTOPLAST

Front 34

No movement of water in cell, burging out against wall

Back 34

TURGID

Front 35

Pressure of protoplast on cell wall owing to uptake of water

Back 35

TURGOR PRESSURE

Front 36

Large particles in motion result of molecular kinetic energy being passed on

Back 36

BROWNIAN MOVEMENT

Front 37

Shrivel

Back 37

CRENATE

Front 38

Burst

Back 38

LYSIS

Front 39

Enzymes are biological ____, compounds that increase the rate of a chemical reaction without being used up or altered in the process

Back 39

CATALYSTS

Front 40

In the experiment from week 3, as concentration of amylase increased, the rate of starch disappearance...

Back 40

INCREASED

Front 41

The ideal pH for the action of amylase is...

Back 41

6.4

Front 42

______ Inhibition occurs when the inhibitor binds to a part of the enzyme that is not the active site

Back 42

NONCOMPETITIVE

Front 43

Amylase is found in the ____ of many animals

Back 43

SALIVA

Front 44

A(n) ____ is the component of a solution that dissolves other substances

Back 44

SOLVENT

Front 45

During week 4, we learned that ____ and ____ were small enough to diffus through the pores of the dialysis bag

Back 45

I2kI(Iodine) & Glucose

Front 46

The appearance of a plant cell in a hypertonic solution is best described as ...

Back 46

PLASMOLYZED

Front 47

The appearance of an animal cell in a hypertonic solution is best described as ...

Back 47

CRENATED

Front 48

Animal cells in a hypotonic solution undergo ...

Back 48

LYSIS

Front 49

Losing Electrons

Back 49

OXIDATION

Front 50

Gaining Electrons

Back 50

REDUCTION

Front 51

The more yeast the ____ the CO2 evolved

Back 51

FASTER

Front 52

Yeast Concentration Increased, Fermentation ...

Back 52

INCREASES

Front 53

Mitochondrial Suspension

Back 53

SOURCE

Front 54

Succinate

Back 54

SUBSTRATE

Front 55

Controlling pH

Back 55

BUFFER

Front 56

The way somatic cells reproduce and regenerate

Back 56

MITOSIS

Front 57

Cytoplasm Divides

Back 57

CYTOKINESIS

Front 58

One division to the next*Interphase*Mitotic Phase(M): Division of Nucleus and Cytoplasm

Back 58

CELL CYCLE