Cells and Characteristics of life

Question 1

Order

Answer 1

a characteristic of life; every organism is highly organized

Question 2

Response to Stimuli

Answer 2

a characteristic of life: organisms can respond to diverse stimuli

Question 3

Reproduction

Answer 3

a characteristic of life: organisms can duplicate DNA

Question 4

Growth and Development

Answer 4

a characteristic of life: organisms can grow and develop over time

Question 5

Regulation

Answer 5

a characteristic of life: regulatory mechanisms to coordinate internal functions

Question 6

Homeostasis

Answer 6

a characteristic of life: The ability of an organism to maintain constant internal conditions.

Question 7

Energy Processing

Answer 7

a characteristic of life; all organisms use a source of energy for their metabolic activities

Question 8

Characteristics of life

Answer 8

Order
Response to Stimuli
Reproduction
Growth & Development
Regulation
Homeostasis
Energy Processing

Question 9

Cell Theory

Answer 9

1. all living things are made of cells
2. cells are the basic unit of structure and function
3. New cells are produced from existing cells

Question 10

Robert Hook

Answer 10

coined the term cells

Question 11

Matthias Schleiden

Answer 11

concluded all plants are made of cells

Question 12

Theodore Schwann

Answer 12

concluded that all animals are made of cells

Question 13

Rudolf Virchow

Answer 13

concluded that all cells came from pre-existing cells

Question 14

Prokaryotes

Answer 14

-no nucleus
-no membrane-bound organelles
-small
-evolved 3.5 billion years ago (primitive)
-domains: archaea and bacteria

Question 15

Eukaryotes

Answer 15

-has nucleus
-many organelles
-large
evolved 1.5 billion years ago (modern)
-domain: eukarya

Question 16

Virus

Answer 16

not alive can duplicate

Question 17

Organelles

Answer 17

specialized structures within a cell

Question 18

Cell membrane

Answer 18

the membrane surround the cytoplasm of cell

Question 19

Plasma membrane

Answer 19

a microscopic membrane of lipids and proteins which regulates the passage of molecules in and out of the cytoplasm

Question 20

Nucleus

Answer 20

contains the genetic material of a cell

Question 21

mitochondria

Answer 21

provides power for the cell

Question 22

ribosomes

Answer 22

makes proteins for the cell

Question 23

cytoplasm

Answer 23

the material within a living cell

Question 24

cytoskeleton

Answer 24

a complex dynamic neatwork of interlinking protein filaments present in the cytoplasm of all cells that links organelles together.

Question 25

Rough ER

Answer 25

a cellular organelle composed of many folds of tissues and channels that are covered with ribosomes

Question 26

Smooth ER

Answer 26

a cellular organelle composed of many folds of tissues and channels ITS SURFACE IS NOT COVERED WITH RIBOSOMES

Question 27

Golgi Apparatus

Answer 27

amazon for a cell (an organelle that is involved with intracellular transport

Question 28

Vacuoles

Answer 28

cleans the cells of the useless stuff (vacuums it)

Question 29

centrioles

Answer 29

A cylindrical organelle near the nucleus in the animal cells occurring in pairs and involved in the development of spindle fibers in cell division

Question 30

lysosome

Answer 30

a membrane-bound cell organelle that contains digestive enzymes that break down excess cell parts

Question 31

cell wall

Answer 31

an extra layer of protection for plant cells

Question 32

chloroplast

Answer 32

contains chlorophyll in plant cells

Question 33

chlorophyll

Answer 33

what makes plants green and responsible for the absorption of light to provide energy for photo synthesis

Question 34

caspid

Answer 34

the structure around viruses

Question 35

nucleic acid

Answer 35

naturally occurring chemical compounds that serve as the primary information-carrying molecules in cells