LEVELS OF ORGANIZATION

Question 1

Types of cell accdg. to their number

Answer 1

UNICELLULAR, MULTICELLULAR

Question 2

Levels of Organization (in order)

Answer 2

Cells
Tissues
Organs
Organ Systems
Organism

Question 3

What is the basic unit of life?

Answer 3

CELLS

Question 4

Serves as the boundary between the cell and environment; contains proteins embedded w/in its phospholipid layers

Answer 4

PLASMA MEMBRANE

Question 5

Jelly-like fluid inside the cell that surrounds the nucleus

Answer 5

CYTOPLASM

Question 6

Command center of the cell; is 4 layers thick; contains the DNA

Answer 6

Nucleus

Question 7

What’s inside the nucleus?

Answer 7

Nucleolus

Question 8

Protein synthesis factories; contains RNA

Answer 8

RIBOSOMES

Question 9

Powerhouse of the cell; site of aerobic respiration

Answer 9

MITOCHONDRIA

Question 10

What are the foldings of the mitochondria called?

Answer 10

CRISTAE

Question 11

Bilayer of lipids used for transport

Answer 11

ENDOPLASMIC RETICULUM

Question 12

2 kinds of ER

Answer 12

ROUGH and SMOOTH ER

Question 13

Difference between smooth and rough er

Answer 13

SMOOTH - doesnt have ribosomes attached and are known to produce lipids
ROUGH - have ribosomes attached and synthesize protein and lipids and transport

Question 14

Packaging factory of the cell; series of flattened closely stacked membranous sacs

Answer 14

GOLGI APPARATUS

Question 15

Stomachs of the cell and bud off the golgi bodies as the cell needs; called suicide sacs

Answer 15

LYSOSOMES

Question 16

Only found in plant cells and are made of bulk of fiber in diet

Answer 16

CELL WALL

Question 17

it maintains the cell shape and is fibrous

Answer 17

CYTOSKELETON

Question 18

Group of cells

Answer 18

TISSUES

Question 19

4 types of tissues

Answer 19

EPITHELIAL, CONNECTIVE, MUSCLE, NERVE

Question 20

What are EPITHELIAL TISSUES?

Answer 20

Provide coverage for the skin and covers the inside and outside of the body

Question 21

What are MUSCLE TISSUES?

Answer 21

It contracts, shortens, and is responsible for the movement

Question 22

3 Kinds of muscle tissues

Answer 22

SKELETAL
CARDIAC
SMOOTH

Question 23

It supports other tissues and binds them together

Answer 23

CONNECTIVE TISSUE

Question 24

What do connective tissues bind together?

Answer 24

BONES AND VEINS

Question 25

What are NERVE TISSUES?

Answer 25

made of nerve cells and are neurons that carry messages to and from various parts of the body.

Question 26

Made up of different tissues

Answer 26

ORGANS

Question 27

Made up of different organs that are working together

Answer 27

ORGAN SYSTEMS

Question 28

Give at least 6 organ systems

Answer 28

1. Integumentary 6. Nervous 2. Skeletal 7. Endocrine 3. Muscular 8. Lymphatic 4. Cardiovascular 9. Respiratory 5. Digestive 10. Urinary 11. M & F Reproductive Systems

Question 29

Comprised of all the cells, tissues, organs, organ systems

Answer 29

ORGANISM