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CETs > Biology | Cell Structure and Function > Flashcards

Biology | Cell Structure and Function Flashcards

1
Q

Classical Cell Theory

A
  1. All organisms are made up of cells
  2. The cell is the basic unit of life
  3. All cells come from preexisting cells
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2
Q

Cell

A

the basic unit of life

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3
Q

stated that all plants are composed of cells

A

Matthias Schleiden

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4
Q

Stated that all animals are composed of cells

A

Theodor Schwann

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5
Q

stated that the cell is the fundamental element of biological organization

A

Henri Dutrochet

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6
Q

stated that all living cells come from pre-existing living cells by cell division

A

Rudolf Virchow

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7
Q

Modern Cell Theory

A
  1. The cell is a structural and functional unit of all living things.
  2. All organisms are made up of cells
  3. New cells are always produced from pre-existing cells
  4. The cell contains hereditary information (DNA) which is passed on from cell to cell during cell division
  5. All cells are basically the same inchemical composition a nd metabolic activities
  6. Energy flow ocurs within cells
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8
Q

Serves as a boundary between the environment and the internal part of a cell

semi-permeable membrane composed of phosphohlipids, proteins, and carbohydrates

A

Cell Membrane

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9
Q

thick transparent colorless liquid in cell in which various organelles are suspended

A

cytosol

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10
Q

the cytosol, organelles, a nd other structures inside the cell excluding the nucleus/genetic material

A

cytoplasm

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11
Q

contorl center of the cell

A

nucleus

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12
Q

cells without definite nucleus

A

Prokaryotic

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13
Q

cells with definite nucleus

A

eukaryotic

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14
Q

protoplasm inside the nucleus

A

Karyoplasm / Nucleoplasm

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15
Q

where cellualr respiration takes place

A

mitochondria

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16
Q

acts as a digestive system of the cell

contains hydrolytic enzymes

A

Lysosomes

17
Q

mass of dense protoplasm with centrioles which act as a pole for cell division

A

centrosomepr

18
Q

prepare proteins for secretion after they are rleased from the endoplasmic reticulum

A

golgi bodies

19
Q

serves as a pathway for the transport of materials between the cytoplasm and the nucleus of the cell

A

endoplasmic reticulum

20
Q

protein factories of the cell

A

ribosomes

21
Q

food and water storage of the cell

A

vacuole

22
Q

gives the cell its shape

consists of microtubules and microfilaments

A

cytoskeleton

23
Q

protects and supports plant cells

not present in animal cells

A

cell wall

24
Q

plant cell walls

A

cellulose

25
Q

fungal cell walls

A

chitin

26
Q

bacterial cell wall

A

peptidoglycan

27
Q

archaea cell wall

A

pseudopeptidoglycan

28
Q

for photosynthesis

contins the green colorig bodoies called chlorophyl

A

chloroplasts

29
Q

a relatively stablestate of internal equilibrium between the dif

A

CETs (3 decks)

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