Unit 3 Flashcards

1
Q

all plants are made of cells, all animals are made of cells, new cells come from preexisting cells, made up of cells, cells are basic units of structure and function in living things, and new cells are produced from existing cells

A

cell theory

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2
Q

what scientists contributed to the cell theory

A

schleiden, schwaan and virchow

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3
Q

basic unit of life

A

cell

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4
Q

control center

A

nucleus

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5
Q

long strand of DNA, looks granular

A

chromatin

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6
Q

condensed strands of DNA

A

chromosomes

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7
Q

a small dense region where ribosomes are made

A

nucleolus

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8
Q

small particles of RNA and protein, no membrane, make proteins, in cytoplasm or on RER

A

ribosomes

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9
Q

no ribosomes, processes lipids and carbs, regulates calcium levels, breaks down toxins

A

SER

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10
Q

ribosomes, processes proteins for export, intracellular transport

A

RER

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11
Q

the “post office”, processes, packages, and secretes materials from ER for storage or secretion

A

Golgi Apparatus

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12
Q

flattened sacs of membranes (one)

A

cisternae

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13
Q

a group of cisternae

A

vesicle

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14
Q

contains enzymes, digest unwanted substances, breaks down old organelles

A

lysosomes

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15
Q

powerhouse of the cell, large organelles, double membrane, own DNA, site of cellular respiration

A

mitochondria

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16
Q

inner membrane has folds in mitochondria

17
Q

maintains shape of cell, helps organelles to move within cell, helps cell move, two types

A

cytoskeleton

18
Q

twisted chains of protein called actin, contract causing cell to move

A

microfilaments

19
Q

hollow tubes made of protein

20
Q

contains tubulin, provides tracks to help organelles move, helps chromosomes move in cell division

A

microtubules

21
Q

a pair of microtubules, tublin, help during cell division, not found in plant cells

22
Q

“gatekeeper”, selectively permeable, thin layer of phosphates, lipids, and proteins

A

cell membrane

23
Q

hydrophilic (polar), phosphate head, hydrophobic (non polar), lipid tail

A

phospholipid bilayer

24
Q

large in plant cells, store water, proteins, or wastes, may be in animal cells, but smaller

25
plants only, converts sunlight, carbon dioxide, and water into sugar and oxygen, green due to chlorophyll
chloroplast
26
flattened sacs containing chlorophyll
thylakoids
27
found in plants, fungi, and bacteria, provides support and protection, fungi-chitlin, bacteria-peptidoglycan, plants-cellulose, not in animal cells
cell wall
28
no nucleus, no membrane bound organelles
prokaryotes
29
nucleus, membrane bound organelles
eukaryotes
30
movement of a material from an area of high concentration to an area of low concentration
diffusion