1 Flashcards

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1
Q

Dutch spectacle maker who is associated with the first invention of compound microscope

A

Zacharias Janssen

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2
Q

Coined the term “Cell” by looking at a piece of cork under the microscope

A

Robert Hooke

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3
Q

Dutch microscopist who was the first to observe bacteria and protozoa.

A

Antonie Van Leeuwenhoek

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4
Q

German botanist who stated that plants are made up of cells

A

Matthias Jakob Schleiden

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5
Q

German physician and physiologist, concluded that animals are also made up of cells.

A

Theodor Schwann

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6
Q

German physician which stated that cells come from pre-existing cells through cellular division

A

Rudolf Virchow

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7
Q

The simplest structural and functional unit of life.

A

cell

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8
Q

Postulate 1

A

All living things are made up of cells

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9
Q

Postulate 2

A

Cells are the basic unit of structure and function in an organism

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10
Q

Postulate 3

A

Cells come from pre-existing cells

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11
Q

Postulate 4

A

Cells carry genetic material which is passed from cell to cell during cell division

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12
Q

Postulate 5

A

All cells are basically the same in structure and chemical composition

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13
Q

Postulate 6

A

Energy flow (biochemical processes) occurs within cells

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14
Q

“little organs”

A

Organelles

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15
Q

Structure: a thin, double layer of protein and fat

Function:
- separates the inner contents of the cell
- regulates the passage of materials in and out of the cell

A

Cell Membrane

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16
Q

Structure: a rigid membrane surrounding plant cells made up mostly of cellulose

Function: gives the cell protection, support, and structure.

A

Cell Wall

17
Q

Structure: a membrane-bound spherical body discovered by Robert Brown in 1831

Function:
- stores the cell’s DNA
- controls and regulates activities
- controls the synthesis of ribosomes and proteins

A

Nucleus

18
Q

Parts of the Nucleus

A

Nuclear Pore, Nucleoplasm, Nucleolus, Nuclear Membrane

19
Q

Structure: a large complex molecule of protein and RNA

Function: site for protein synthesis

A

Ribosomes

20
Q

Structure:
- a double-membraned, rod shaped organelle
- has its own DNA

Function:
- produces chemical energy needed to power the cell in the form of ATP (adenosine triphosphate)

A

Mitochondria

21
Q

Structure: a series of interconnected membranous sacs and tubules

A

Endoplasmic Reticulum

22
Q

Ribosomes’ location

A

Rough ER

23
Q

Synthesis of Lipids, Steroids and Carbohydrates

A

Smooth ER

24
Q

Structure: a series of flattened, sad-like membranes that resembles a stack of pancakes

Function: sort, tag, package and distribute lipids and proteins

A

Golgi Body (Apparatus)

25
Q

Structure: spherical bodies containing digestive enzymes

Function:
- digest cellular nutrients
- breaks down worn-out or damaged organelles
- induces cell death (apoptosis)

A

Lysosome

26
Q

Structure: a long, disc-shaped organelle containing the pigment chlorophyll

Function: site of photosynthesis

A

Chloroplast

27
Q

Structure: a large space within the cell that is enclosed in a membrane and filled with fluids

Function:
- maintains water balance
- maintains cell shape
- store nutrients and waste products

A

Vacuole

28
Q

Structure:
- a network of protein filaments or fibers
Types: microfilaments, microtubules, and intermediate filaments

Function:
- provides shape and structure
movement
- involved spindle formation during cell division

A

Cytoskeleton

29
Q

Structure: a thick solution that fills each cell and is enclosed by the cell membrane

Function: platform upon which other organelles can operate within the cell

A

Cytoplasm

30
Q
A