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GRADE 12 1ST SEM SUBS(1ST GRADING) > GENBIOLOGY Cell Theory > Flashcards

GENBIOLOGY Cell Theory Flashcards

Cell Theory

1
Q

Theories that explain cells in every microorganism.

A

Cell Theory

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2
Q

are the primary building blocks of life.

A

Cell

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3
Q

Basic unit of life

A

Cell

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4
Q

There are three parts parts of cell theory:

A
  1. All organisms are made up of one or more cells.
  2. A cell is the basic structural and functional unit of organisms
  3. All cells come from pre-existing cells from cell division
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4
Q

Make the first compound microscope

A

(1600’s, netherlands) Zacharias Jannsen

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5
Q

He coined the term “Cell” as he was looking at a piece of cork under his microscope, and the little chambers he saw reminded him of the cell that the monk slept in.

A

(1665)Robert Hooke

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5
Q

He called the bacteria in his day “Animalcules”

A

(1667)Anton van Leeuwenhoek

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5
Q

He accidentally discovered bacteria by looking at dental scrapings.

A

(1667)Anton van Leeuwenhoek

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6
Q

He sends a letter to his colleague in England by the name of Robert hooke.

A

(1667)Anton van Leeuwenhoek

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7
Q

Two German scientist discovered something that today helped tied together of what we know the “CELL THEORY”

A

Matthias Schleiden
Theodor Schwann

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8
Q

-A botanist
-Studied plant species

A

Matthias Schleiden

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9
Q

Stated that “all the plants he had looked at were all made of Cells.”

A

Matthias Schleiden

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10
Q

A scientist who studied slides of animal cells.
And a Zoologist

A

Theodor Schwann

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11
Q

Stated that “All animals are made of cells”

A

Theodor Schwann

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12
Q

He did’nt subscribe to that thought as he swore cells came from free-cell formation(they just spontaneously appeared into existence)

A

Schleiden

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13
Q

1 cell only (Already an organism)

A

Unicellular

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14
Q

2 or more (Organism is made up of two or more cells)

A

Multicellular

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14
Q

Examples of Unicellular organism

A

Bacteria, Amoeba, Plankton, Protozoans, Pneumococci.

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15
Q

Examples of Multicellular

A

Humans, Animals, Embryophytes.

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16
Q

They are protein molecules or non living things. They are comparable with parasites.

A

Viruses

16
Q

Types of Tissues

A

Epithelial Tissue
Connective
Neurons
Muscular

17
Q

What is the function of Epithelial Tissue

A

For Lining and Protection

18
Q

Protection from environmental hazards; temperature control

A

Integumentary system

18
Q

What is the function of Connective tissue

A

Connections

19
Q

What is the function of muscular tissue

A

For Movement

19
Q

What is the function of Neurons

A

nerve impulses

20
Q

Support, protection of soft tissues; mineral storage; blood formation

A

Skeletal system

21
Q

Locomotion, support, heat production

A

Muscular system

21
Q

Directing immediate responses to stimuli, usually by coordinating the activities of other organ systems

A

Nervous system

21
Q

Internal transport of cells and dissolved materials, including nutrients, wastes, and gases

A

Cardiovascular system

22
Q

Directing long-term changes in the activities of other organ systems

A

Endocrine system

23
Q

Defense against infection and disease

A

Lymphatic system

24
Q

Delivery of air to sites where gas exchange can occur between the air and circulating blood

A

Respiratory system

25
Q

Processing of food and absorption of organic nutrients, minerals, vitamins, and water

A

Digestive system

26
Q

Elimination of excess water, salts, and waste products; control of pH

A

Urinary system

27
Q

Production of sex cells and hormones.

A

Reproductive system

28
Q

In biology if the cell divide it multiply

A

Division=Multiplication

29
Q

process by which a cell replicates its chromosomes and then segregates them, producing two identical nuclei in preparation for cell division.

A

Mitosis

29
Q

Example of Mitosis

A

Ex. Skin, muscle, every cell in the body.

29
Q

a special type of cell division of germ cells in sexually-reproducing organisms that produces the gametes, the sperm or egg cells.

A

Meiosis

30
Q
  • Simple structure) no membrane
    *bound organelles
  • no true nucleus
  • unicellular
A

Prokaryotic Cell

31
Q

Prokaryotic cells are called?

A

False nucleus

32
Q

*0.1-5 micrometers
* has cell wall
* asexual
reproduction

A

Prokaryotic

33
Q

Prokaryotic cells example

A

ex.)Bacteria, Cyanobacteria, Mycoplasma

34
Q
  • contains membrane
    bound organelles
  • contains true
    membrane organelles
A

Eukaryotic Cells

34
Q
  • uni/multicellular
  • 10-100 micrometers
  • asexual and sexual
    reproduction
A

Eukaryotic Cells

34
Q

Eukaryotic cells are also callled

A

True Cells

35
Q

Examples of Eukaryotic cells

A

ex.) Humans, Animals

GRADE 12 1ST SEM SUBS(1ST GRADING) (21 decks)

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