parts of cell + microscope + leaf & cells and systems vocab Flashcards

(44 cards)

1
Q

cell

A

smallest unit that can perform functions of life

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2
Q

nucleus (cell)

A

in a cell
organelle that controls all of cells activities

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3
Q

organelle (cell)

A

structure within a cell that has a pecific function

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4
Q

vacuole (cell)

A

balloon like, fluid filled organelle
stores food, waste or other materials

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5
Q

artery

A

blood vessel that carries oxygen rich blood from heart

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6
Q

semi permeable membrane (cell and leaf)

A

membrane allowing only certain materials to go in and out

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7
Q

diffusion

A

movement of particles inliquids and/or gasses that move from high conc. to low conc.

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8
Q

tissue

A

group of cells with same structure and function

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9
Q

capillaries

A

smallest type of blood vessel
conncets arterys and veins

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10
Q

cell membrane and cell wall (cell)

A

cell membrane
- selectivly permeable
- enclosing contents of cell
- regulates the passage of substances in and out of the cell

cell wall
- rigid structure surrounding cell (plant, fungi or unicellular)
- surrounds the cell membrane

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11
Q

chloroplast (cell)

A

an organelle that contains chlorophyll snd enables plants to make carbohydrates
photosynthesis occurs here
(inplants and some unicellular organisms)

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12
Q

vein

A

blood vessel that carries blood back to the heart

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13
Q

villus

A

fingerlike projection on the inner lining of the small intestine

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14
Q

osmosis

A

diffusion of a solvent (usually water) througha selectivley permeable membrane

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15
Q

organ

A

group of different tissues that work together to perform a specific function

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16
Q

alveoli

A

in the lungs a tiny air sac at the end of a bronchiole

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17
Q

cytoplasm (cell)

A

jelly like and constantly moving
distribute oxygen

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18
Q

mitochondria (cell)

A

power house of cell
makes APT energy

19
Q

nucleolus (cell)

A

makes ribosomes

20
Q

ribosomes (cell)

21
Q

ER (cell)

A

carries protein around cell

22
Q

lysosomes (cell)

A

breakdown and recycle waster materials

23
Q

golgi apparatus (cell)

A

packages and sorts materials

24
Q

cuticle (leaf)

A

waxy outer layer of leaf
prevents water loss

25
epidermis (leaf)
under cuticle outermost layer of cells
26
xylem (leaf)
transports water
27
phloem (leaf)
transports sugar/food
28
bundle sheath cells (leaf)
create a circle around xylem and phloem
29
palisade layer (leaf)
part of mesophyll collum like cells underneath epidermis
30
spongy cells (leaf)
part of mesophyll loosely packedbetween palisade layer and lower epidermis air spaces allow for gas exchange
31
mesophyll (leaf)
packed with chloroplasts and this is where photosynthesis occurs
32
gaurd cells (leaf)
surround stomata (holes in epidermis) shaped like 2 cupped hands if full of water they open and if dry then close
33
body tube (microscope)
holds eye piece at proper distance
34
ocular lense (microscope)
piece u look through
35
revolving nose piece (microscope)
holds objective lenses
36
arm (microscope)
holds lenses above stage
37
objective lenses (microscope)
maginfies with diff intensities
38
stage (microscope)
platform that holds slides
39
stage clips (microscope)
hold slides in place
40
course adjustment knob (microscope)
moves stage up and downrapidly
41
diaphram (microscope)
opens and closes to control amount of light
42
fine adjustment knob (microscope)
focuses on fine details
43
light source (microscope)
shines through slide to let us see details
44
base (microscope)
supports microscope