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Science bio unit test > bio test > Flashcards

bio test Flashcards

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Biology 101 flashcards
1
Q

what is the cell theory

A

all living organisms are made up of cells

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2
Q

describe plant vs animal cells

A

animal cell
-round shape
-no cell wall
-no chloroplast
-many small vacuoles
plant cell
-square
-there is a cell wall
-there is a chloroplast
-one large vacoul

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3
Q

what does prokaryotes mean

A

always unicellular

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4
Q

what does eukaryotes mean

A

often multi celled

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5
Q

what is a organelle

A

small structure in a cell that is surrounded by a membrain

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6
Q

what is the cell membrain

A

outside of cell contrôles what moves in and out

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7
Q

what is mitochondria

A

power house of cell brajn of cell in plant and animal round thing with skwiggly lines

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8
Q

what is nucleus

A

round thing contains dna in both cells

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9
Q

ribosome

A

small dots where synthesis occures in both cells

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10
Q

what is the cytoplasm

A

empty space where activites take place in both cells

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11
Q

what is cell wall

A

makes cell strong on the outside only in plants

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12
Q

what is vacoul

A

big round thing keeps cell turgid only in plants

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13
Q

what is chloroplast

A

round things with squares in them contains chlorophyll wjere photosynthesis takes place only plants

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14
Q

what are spécialisés cells

A

red blood, sperm, eggs, nerve cells, muscle cells, villi

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15
Q

why is cell division importsnt

A

cells need to driving to creat new cells to grow

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16
Q

two types of cell reproduction

A

asexual- one parent
sexual- two parent

17
Q

what is diffusion

A

partials move from higher concentration to lower one

18
Q

what is osmosis

A

membrain skme shit can go through and some can’t

19
Q

what is interphase

A

when the cell is in a non dividing state

20
Q

what are the 4 stages of mitosis in order

A

1.prophase
2.metaphase
3.anaphase
4.telophase

21
Q

what is prophase

A

genetic fibers in nuclear become compact together

22
Q

what is metaphase

A

nucleus dissolved and cells chrome move together

23
Q

what is anaphaee

A

cell repérâtes and duplicates into two identical cells

24
Q

what is telophase

A

separation of dublivayed cells

25
Q

what is cytokinesis

A

divides cytoplasm into two daughter cells

26
Q

what is cancer

A

uncontrolled growth of abnormal cells in the body

Science bio unit test (1 decks)

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