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Biology units 1 & 2 > Chapter 1 - cellular structure > Flashcards

Chapter 1 - cellular structure Flashcards

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1
Q

Abiotic

A

non living things

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2
Q

Biotic

A

Living things

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3
Q

All living things must possess all of the following qualities

A

Movement
reproduce
sensitivity
growth
respiration
equlibrium
excresion
nutrition

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4
Q

Cell theory

A
  1. All living things are made of cells
  2. Cells are the smallest and most basic unit of life.
  3. All new cells have arisen from pre-existing cells.
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5
Q

All cells have 4 features in common:

A

genetic material
plasma membrane
cytosol
ribosomes

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6
Q

2 types of cells

A

prokaryotes
eukaryotes

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7
Q

prokaryotes?

A

single celled
No nucleus – DNA floats freely in the cytoplasm.
no membrane bound organelles
Relatively small and simple
DNA is present as one large, circular chromosome

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8
Q

eukaryotes?

A

single or multicellular
membrane bound organelles
Nucleus present, where the DNA is stored.
Relatively large and complex,
DNA is present as several linear chromosomes

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9
Q

What do only plant cells have that animals dont?

A

chloroplasts
cell wall

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10
Q

what do only animal cells have that plants dont?

A

lysosomes
flagella
cillia

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11
Q

nucleus function

A

stores genetic material and DNA
holds instructions of the cell

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12
Q

Rough ER

A

adds the finishing touches to the ribosomes

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13
Q

smooth ER

A

processes fats and lipids

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14
Q

golgi apparatus

A

packaging system for ribosomes
packs protiens into vesicles

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15
Q

lysosomes

A

sorts waste from the cell

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16
Q

vacuole

A

storage unit

17
Q

mitochondria

A

powerhouse of the cell
site of cellular respiration

18
Q

chloroplasts

A

site of photosynthesis

19
Q

cell wall

A

provides structure and protection

20
Q

cytoskeleton

A

provides structure

21
Q

flagella and cillia

A

helps the cell to move

22
Q

protien secretory pathway

A

nucleus
ribosomes make protiens
protiens enter rough ER to be finsihed off
packaged by golgi apparatus
sent into vesicles
exits through plasma membrane

Biology units 1 & 2 (2 decks)

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