Plant Cells

Question 1

composed of a delicate base that anchors it to a rock or piece of coral , has 2 long slender stalk and 3 caps

Answer 1

Mermaid’s Wineglass (Acetabularia)

Question 2

What year does the first microscopes invented?

Answer 2

1500

Question 3

He perfected the art of grinding lenses and used them in microscopes of his own design to produce clear, magnified images.

Answer 3

Anton Van Leeuwenhoek

Question 4

He made significant discoveries with the compound microscopes.

Answer 4

Robert Hooke

Question 5

first identified and named the cell’s nucleus.

Answer 5

Robert Brown

Question 6

Who stated that cells are the structural units of life?

Answer 6

Matthias Schleiden and Theodor Schwann (Cell Theory)

Question 7

a theory that the cell is the basic unit of life

Answer 7

Cell Theory

Question 8

He extended the cell theory in 1955 by stating that cell come from pre-existing cells.

Answer 8

Rudolf Virchow

Question 9

He pointed out that since cells come from pre-existing cells, all cells in existence today trace their origins back in ancient cells.

Answer 9

August Weismann

Question 10

A type of microscope that directs a beam of electrons through the sample. Lenses are actually magnets that bend the beam of electrons

Answer 10

Transmission Electron Microscope

Question 11

Has greater resolving power than a light microscope

Answer 11

Transmission Electron Microscope

Question 12

magnifies an object 250000x or more and has resolving power up to 500000x than that of the human eye

Answer 12

Transmission Electron Microscope

Question 13

A type of microscope that focuses a beam of visible light through a transparent sample

Answer 13

Light Microscope

Question 14

Provide magnification, an increase in the apparent size of an object, of up to about 1000x

Answer 14

Light Microscope

Question 15

Provide resolving power, the ability to reveal fine detail, up to 500x of the human eye

Answer 15

Light Microscope

Question 16

A type of microscope when electron beam does not pass through the specimen instead, the specimen is coated with a thin film of gold or some other metal.

Answer 16

Scanning Electron Microscope

Question 17

When the electron beam strikes various points on the surface of the specimen, secondary electrons are emitted whose intensity varies with the contour of the surface.

Answer 17

Scanning Electron Microscope

Question 18

Provides information about the shape and external features of the specimen that cannot be obtained with the TEM.

Answer 18

Scanning Electron Microscope

Question 19

Derived from greek “eu” or true and kary “nucleus”

Answer 19

Eukaryotic

Question 20

A type of cell that has larger and have more complex structures and organelles.

Answer 20

Eukaryotic Cell

Question 21

A type of cell that lacks membrane bound organelles and nucleus.

Answer 21

Prokaryotic Cell

• pro (before)
• kary (nucleus)

Question 22

Physical boundary that confines the contents of the cell to an internal compartment.

Answer 22

Plasma Membrane

Question 23

It regulates the flow of materials into and out of the cell.

Answer 23

Plasma Membrane

Question 24

The regulation of plasma membrane is ____________

Answer 24

selective

Question 25

"cell's control center", organelle that contains DNA

Answer 25

nucleus

Question 26

The nucleus is separated from the rest of the cell by a double membrane called ________. It also contains pores lined with protein molecules.

Answer 26

nuclear envelope

Question 27

Are substances that enter and leave through these selective and only certain materials can pass through the nuclear envelope.

Answer 27

nuclear pore

Question 28

Is the interior of the nucleus which contains the DNA, which is associated with certain protein molecules to form chromatin.

Answer 28

Nucleoplasm

Question 29

A thread- like material that is not visible under light microscope, however, under the microscope during cell division it coils and thickens and becomes visible as distinct structures called chromosomes.

Answer 29

Chromatin

Question 30

are visible within the nucleus and are involved in making and assembling the sub-units of ribosomes.

Answer 30

Nucleolus

Question 31

The two sub-units of ribosomes:

Answer 31

RNA and protein molecule

Question 32

small organelles that are protein-manufacturing centers of the cells

Answer 32

ribosomes

Question 33

Use instructions form the DNA in the nucleus to assemble proteins by joining amino acids in precise sequences.

Answer 33

ribosomes

Question 34

organelle composed of an interconnected network of internal membranes with eukaryotic cells.

Answer 34

endoplasmic reticulum

Question 35

major manufacturing centers of the cell and many enzymes are associated to this

Answer 35

endoplasmic reticulum

Question 36

Has ribosmomes attached into it and site for protein synthesis

Answer 36

rough er

Question 37

Without ribosomes and associated with lipid synthesis

Answer 37

smooth er

Question 38

Factory for processing and packaging proteins and polysaccharide

Answer 38

golgi apparatus (golgi body or dicytosome)

Question 39

consists of several flattened sacs, each of which is surrounded by a membrane and the edge of the sacs often bulge out and detach as vesicles.

Answer 39

Golgi apparatus

Question 40

Are sacs that contain cellular products. It transport materials to the plasma membrane, to the outsider of the cell or other organelles within the cell

Answer 40

Vesicles

Question 41

In plant cells, it produces and transports some of the polysaccharides that make up the cell wall

Answer 41

Golgi Apparatus

Question 42

Collects materials that are stored inside large, membrane bounded sacs called vacuoles.

Answer 42

Golgi Apparatus