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Bio 1010 > Lecture 2 > Flashcards

Lecture 2 Flashcards

1
Q

Made some of the earliest microscopes

A

Anton Van Leeuwenhoek

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2
Q

Confirmed Leeuwenhooks findings, first to term the word “cell”

A

Robert Hooke

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3
Q

Cell Theory States 2 things:

A
  1. All organisms are made of basic living units (cells)
  2. All cells come from previously existing cells
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4
Q

2 Types of Cells

A

Eukaryotic and Prokaryotic

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5
Q

Prokaryotic Cell qualities

A

Lack membrane bound nucleus (include bacteria and archaea)

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6
Q

Eukaryotic Cells Qualitues

A

Membrane bound nuclei that contain genetic info (include plants, fungi, animals, protists)
Can contain cell wall (not animals or certain protists)

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7
Q

All cells are surrounded by a…

A

Plasma membrane

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8
Q

Plasma membrane made of a __ and can be both ___ and ____

A

Phospholipid Bilayer, fluid/restrictive

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9
Q

Hydrophobic Tails are

A

Water-fearing

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10
Q

Hydrophilic heads are…

A

Water-loving

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11
Q

Functions of hydrophilic heads/hydrophobic tails

A

Separate contents of cells from surrounding environment and regulate molecules passage

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12
Q

Organelles

A

Any well defined subcellular structure that performs a particular function

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13
Q

Cytoskeleton

A

Maintains cell shape and movement of cell parts

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14
Q

Cytoplasm

A

Semi fluid matrix outside nucleus that contains organelles

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15
Q

Nucleus

A

“Brain” of the cell that contains genetic material

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16
Q

Endoplasmic Reticulum (both Rough and Smooth)

A

Rough - ribosomes, processes proteins
Smooth - no ribosomes, makes lipids

17
Q

Mitochondria

A

Carries out respiration and makes ATP

18
Q

Golgi Apparatus

A

Processes, packages, and secretes cell products

19
Q

Lysosome

A

Vesicle that digests macromolecules

20
Q

Endosymbiotic Theory

A

Proposed by Lynn Margulis
Explains origin of mitochondria, chloroplasts, internal members of Eukaryotic cells
Chloroplast used to be photosynthetic bacterium (Cyanobacteria)

Bio 1010 (5 decks)

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