Chapter 7- Section 1 Flashcards Preview

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Flashcards in Chapter 7- Section 1 Deck (34)
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0
Q

An organism made up of one or more eukaryotic cells

Can be single or multicelled

A

Eukaryote

1
Q

Eukaryote

A

An organism made up of one or more eukaryotic cells.

Can be single or multicelled

Are more complex and carry out more functions.

2
Q

When did eukaryotes first appear?

A

1.5 billion years ago.

3
Q

Capsule

A

Enables prokaryote cells to cling to surfaces

4
Q

Enables prokaryotic cells to cling to surfaces

A

Capsule

5
Q

Prokaryote

A

An organism that is a single prokaryotic cell

All genetic material is in a single loop of DNA

1 -2 micrometers in diameter

6
Q

An organism that is a single prokaryotic cell

All genetic material is in a single loop of DNA

1 -2 micrometers in diameters

A

Prokaryote

7
Q

How long have prokaryotes been around?

A

3.5 billion years

8
Q

Ribosome

A

Cellular structure on which proteins are made

9
Q

Cellular structure on which proteins are made

A

Ribosomes

10
Q

Cytoplasm

A

Includes the cytosol and all the structures suspended within it

11
Q

Includes the cytosol and all the structures suspended within it.

A

Cytoplasm

12
Q

Cytosol

A

Fluid inside the cell

13
Q

Fluid inside the cell

A

Cytosol

14
Q

Cell membrane

A

The cells outer protective boundary

15
Q

The cells outer protective boundary

A

Cell membrane

16
Q

What does the cell theory state?

A
  1. All living things are made up of one or more cells
  2. Cells are the basic units of structure and function in all organisms
  3. All cells arise from existing cells
17
Q

Who’s observations was the cell theory based from?

A

Schneiden, Schwann, and Virchow, from 1838-1858

18
Q

Surface area-to-volume ratio

A

Limits the cells size.

19
Q

Limits the cells size

A

Surface area-to-volume ratio

20
Q

Nucleus

A

Encloses the DNA

The control center of the cell

21
Q

Encloses the DNA

The control center of the cell

A

Nucleus

22
Q

Organelle

A

A structure that carries out a specific function.

23
Q

A structure that carries out a specific function.

A

Organelle

24
Q

Rudolph Virchow

A

A German physician who, in 1858, proposed that cells come only from the division of existing cells.

25
Q

A German physician who, in 1858, proposed that cells come only from the division of existing cells.

A

Rudolph Virchow

26
Q

Robert Hooke

A

Used a 30X microscope to examine a cork and saw boxes inside of it. He called those boxes cells. (1665)

27
Q

Used a 30X microscope to examine a cork and saw boxes inside of it. He called those boxes cells. (1665)

A

Robert Hooke

28
Q

Anton Van Leeuwenhoek

A

Dutch scientist who was the first to observe living cells. Discovered single celled organisms in pond water using a 300X microscope. (1675)

29
Q

Dutch scientist who was the first to observe living cells. Discovered single celled organisms in pond water using a 300X microscope. (1675)

A

Anton Van Leeuwenhoek

30
Q

Mathias Schleiden

A

German botanist who discovered that all plants are made of cells. (1838)

31
Q

German botanist who discovered that all plants are made of cells. (1838)

A

Mathias Schleiden

32
Q

Theodor Schwann

A

German zoologist who discovered that all animals are made of cells. (1848)

33
Q

German zoologist who discovered that all animals are made of cells. (1848)

A

Theodor Schwann