Microscope

Question 1

are instruments that are used in science laboratoriesto visualize very minute objects such as cells, and microorganisms, giving a contrasting imagethat is magnified.

Answer 1

Microscope

Question 2

1st type of microscopes and most widely used
Light passes through 2 lenses
Can magnify up to 2000x

Answer 2

Compound Microscope

Question 3

Used to observe VERY small objects; viruses, DNA, parts of cells

Answer 3

electron microscope

Question 4

A type of electron microscope that can magnify up to 250,000x

Answer 4

Transmission Electron Microscope(TEM)

Question 5

A type of electron microscope that can magnify up to 100,000x

Answer 5

Scanning Electron Microscope(SEM)

Question 6

increase of an object’s apparent size

Answer 6

Maginification

Question 7

The power to show finer details

Answer 7

Resolution

Question 8

It rotates to allow use of different power objectives

Answer 8

Revolving Nosepiece

Question 9

Controls the amount of light passing through the specimen

Answer 9

Diaphragm/ Condenser

Question 10

The knob that moves the bodytube/stage vertically

Answer 10

Coarse Adjustment Knob

Question 11

It is where the specimen is put

Answer 11

Slide

Question 12

The process by which a single parent cell splits to form new cells, known as daughter cells

Answer 12

Cell Division

Question 13

-Division of somatic cell (body cell) that results in 2 genetically identical daughter cells.

Answer 13

Mitosis

Question 14

-The process in which the number of chromosomes in the original cell is reduced by HALF through the separation of homologous chromosomes.

Answer 14

Meiosis

Question 15

It means 2 sets or 2N

Answer 15

diploid

Question 16

It means 1 set or N

Answer 16

haploid

Question 17

Where does meiosis occur?

Answer 17

sex cells

Question 18

What is the process by which as egg and sperm unite?

Answer 18

Fertilization

Question 19

It is a fertilized egg

Answer 19

Zygote

Question 20

An organism in early stage of development

Answer 20

Embryo

Question 21

homologous chromosomes exchange genes during process called__________

Answer 21

crossing over

Question 22

How many daughter cells does mitosis produce?

Answer 22

2

Question 23

How many daughter cells does meiosis produce(male and female)

Answer 23

male-4
female- 1 viable egg

Question 24

they give up their cytoplasm to nourish the 1 good egg.

Answer 24

polar bodies

Question 25

It is the effect of crossing over

Answer 25

genetic variation

Question 26

Cell division where daughter cells are NOT identical

Answer 26

Meiosis

Question 27

It is the movement of substances across the cell membrane either into or out of the cell. Sometimes things just move through the phospholipid bilayer

Answer 27

Cell transport

Question 28

2 categories of cell transport

Answer 28

passive Transport active transport

Question 29

The process by which molecules spread from areas of high concentration to areas of low concentration

Answer 29

Diffusion

Question 30

When molecules are even throughout space

Answer 30

Equilibrium

Question 31

Molecules that cannot directly diffuse across the membrane pass through special protein channels

Answer 31

Facilitated Diffusion

Question 32

Osmosis works BOTH in Air and Fluids

Answer 32

False Only Diffusion and Facilitated Diffusion works both in air and fluids

Question 33

- proteins that involved in letting certain substances in and out of cells

Answer 33

Channel Proteins

Question 34

-proteins that cross both layers od the phospholipid bilayer

Answer 34

Integral Proteins

Question 35

proteins that are only on the top half or bottom half of the phospholipid bilayer

Answer 35

Peripheral Proteins

Question 36

The diffusion of water through a selectively permeable membrane down its concentration gradient. From an area of high WATER concentration to an area of lower WATER concentration

Answer 36

Osmosis

Question 37

concentration of solute and solvent are equal

Answer 37

Isotonic

Question 38

higher concentration of solutes

Answer 38

Hypertonic

Question 39

water will come out of the cell thus the cell will shrink

Answer 39

Hypertonic

Question 40

lower concentration of solutes

Answer 40

Hypotonic

Question 41

water will come inside of the cell thus the cell will expand

Answer 41

Hypotonic

Question 42

It is the one that dissolves

Answer 42

Solvent

Question 43

It is the one that is being dissolved

Answer 43

Solute

Question 44

Pressure required to present the passage of water through a semi-permeable membrane from a region of low concentration of solutes to one of higher concentration by osmosis.

Answer 44

Osmotic Pressure

Question 45

A category of cell transport that moves AGAINST a concentration agent and requires energy

Answer 45

Active transport

Question 46

2 Types of Active Transport

Answer 46

Molecular Transport Bulk Transport

Question 47

Also called protein pumps

Answer 47

Molecular transport

Question 48

The process by which cells absorb material (molecules such as proteins) from outside the cell by engulfing it with their cell membrane

Answer 48

Endocytosis

Question 49

movement of fluids into the cell

Answer 49

Pinocytosis

Question 50

b)movement of solids into the cell

Answer 50

Phagocytosis

Question 51

A cellular process where cells eject waste products or chemical transmitters (such as hormones) from the interior of the cell.

Answer 51

Exocytosis

Question 52

Who created the first ever compound microscope

Answer 52

Anton van Leeuwenhoek

Question 53

Chromosomes are _ _ _

Answer 53

DNA

Question 54

How many divisions are there in Mitosis?

Answer 54

1

Question 55

How many divisions are there in Meiosis

Answer 55

2

Question 56

The movement of materials across the cell membrane without using energy

Answer 56

Passive transport