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Science 10 > Biology Unit Test > Flashcards

Biology Unit Test Flashcards

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Biology 101 flashcards
1
Q

Cells are

A

The basic unit of life

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2
Q

What is osmosis?

A

The movement of water across a membrane

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3
Q

Who is Robert Hook

A

The person who coined the term cells

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4
Q

Plant cell is (circle or rectangle)

A

rectangular

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5
Q

Staining causes what organelle to become visible

A

Nucleus

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6
Q

An organelle which plant cell do have but animal cells do not

A

cell wall and chloroplast

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7
Q

Organelle responsible for storage

A

Vacuole

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8
Q

Organelle that regulates movement of substances into and out of the cell

A

Cell membrane

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9
Q

Meiosis

A

halves the chromosomes

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10
Q

Cell membranes are composed of…

A

Proteins phospho lipids

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11
Q

responsible for transporting water and dissolved minerals in plants

A

Xylem

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12
Q

Stomata

A

plants get rid of waste from it

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13
Q

an organelle found in only animal cells

A

centriole

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14
Q

Ribosomes

A

synthesized protein

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15
Q

Selectively permeable membrane

A

allows only certain types of molecules to pass through````

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16
Q

diffusion

A

odours are spread through the air by this process

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17
Q

Purpose of staining cells

A

Improve the contrast

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18
Q

That organelle that enables reproduction by instructions

A

Nucleus (DNA)

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19
Q

Cell wall is made up of

A

Cellulose

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20
Q

Produces ATP

A

Mitochondria

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21
Q

Produces glucose

A

Chloroplast

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22
Q

Lysosomes

A

Contain digestive enzymes

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23
Q

What type of life are eukaryotic cells

A

Plant animal fungi cells

24
Q

Prokaryotic

A

Bacteria

25
Q

How to calculate magnification

A

eyepiece times objective lens

26
Q

What happens to the field of view of the microscope when the magnification increases

A

Field of view gets smaller

27
Q

Number of mm in one cm

A

10

28
Q

the greek symbol for the prefix micrometers

A

mu

29
Q

How many microns in one meter

A

One million

30
Q

the proper technique for preparing a wet mount slide

A

put a drop of water over the thing then cover slip when stain then paper towel and hten the stain goes across

31
Q

how an image appears under a microscope

A

backwards and upside down

32
Q

use which lens first on a microscope

A

lowest objective lens

33
Q

who discovered that all plants and animals were composed of cells

A

Theodore Schwann. Matthias Jakob Schleiden

34
Q

resolution

A

is limited by the wavelength of the microscope

35
Q

Rudolf Virchow

A

stated that all cells come from pre-existing cells

36
Q

in this type of electron microscope, the cells are non-living

A

TEM

37
Q

Allows large particles to cross the cell membrane by facilitated diffusion

A

Protein channels

38
Q

A solution in which the solute concentration outside is lower than the solute concentration inside

A

Hypertonic

39
Q

A vacuole may excrete waste by this process

A

Exocytosis

40
Q

process of a cell ingesting a large substance such as bacteria

A

Cygocytosir (white blood cell engulfing bacteria)

41
Q

Active transport

A

Energy is required, membrane proteins are required, molecules are transported against the concentration gradient

42
Q

Smells travelling through the room caused by

A

Diffusion (passive transport/molecules moving with the concentration gradient)

43
Q

If you water your plants with salt water, the cells will shrivel up because it is

A

Hypotonic

44
Q

The process by which oxygen and CO2 molecules move across the cell membrane

A

diffusion

45
Q

This happens if too much water moves into an animal cell

A

Hemolysis

46
Q

Semi-liquid material that surround the organelles in the cell

A

Cytoplasm

47
Q

Groups of cells that function together make up a

A

Tissue

48
Q

A system that can exchange matter and energy w its surrounding

A

Open system

49
Q

The organelle that packages and stores proteins

A

Golgi Apparatus

50
Q

Produces ATP through cellular respiration

A

Mitochondria

51
Q

The three main types of plant tissue

A

Ground tissue
vascular tissue
dermal tissue

52
Q

Moves water and minerals

A

Xylem

53
Q

Responsible for cellular division and growth in plants

A

meristem

54
Q

the process which produces oxygen

A

Photosynthesis

55
Q

Is a result of minerals in the root cell causing water to enter by osmosis

A

Root Pressure

Science 10 (7 decks)

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