Test Over Cells

Question 0

The concentration of calcium inside a cell is %2. The concentration of calcium in the surrounding fluid is %1. How would the cell obtain more calcium.

Answer 0

Diffusion

Question 1

What are the principles of the cell theory

Answer 1

Cells are the basic units of life
All living things are made of cells
All cells are produced by pre existing cells

Question 2

What does not contain a membrane bound nucleus?

Answer 2

Prokaryotes, bacteria , nucleons

Question 3

When a white blood cell takes in a bacterium the process is _________ and called _________

Answer 3

Active; phagocytosis

Question 4

What is not true of plasma membranes

Answer 4

Folded membranes do not form compartments in the cell

Question 5

Folded membranes are an advantage to the cell because

Answer 5

Cell processes can be mor efficient, the membranes form interconnected compartments, and the membranes provide a larger surface area

Question 6

All living things are made of

Answer 6

Cells

Question 7

If as cell contains a nucleus it must be a

Answer 7

Eukaryotic cell

Question 8

Because cells have a watery environment both inside and outside, the polar ends of the phospholipids in the plasma membranes form

Answer 8

Double layers

Question 9

The fluid mosaic model describes a structure with

Answer 9

Polar layers on the outside and nonpolar layers on the inside

Question 10

Because the phospholipid molecules and some proteins are free to move, the plasma membrane is said to be a

Answer 10

Fluid mosaic

Question 11

A cells contents would be the same as it’s surrounds were it not for

Answer 11

Selectively Permeable membrane

Question 12

Water mobs into a cell placed in a

Answer 12

Hypotonic solution

Question 13

Water moves out of a cell if the cell is placed in

Answer 13

Hypertonic solution

Question 14

If cells are placed in a strong sugar solution, water will

Answer 14

Pass from the cell to the sugar solution

Question 15

A cell moves particles from a region of lesser concentration to a region of of greater concentration by

Answer 15

Active transport

Question 16

If a cell is placed in salt water water leaves the cell by

Answer 16

Osmosis

Question 17

The structure most responsible for maintaining homeostasis is the

Answer 17

Plasma membrane

Question 18

Movement of particles from an area of high concentration to one of lower concentration

Answer 18

Diffusion

Question 19

The comcentration of dissolved substances outside the the cell is higher than inside

Answer 19

Hypertonic

Question 20

The concentration of dissolved substances in the solution is the same as outside

Answer 20

Isotonic

Question 21

The movement of material into the cell from outside the cell

Answer 21

Endocytosis

Question 22

Diffusion of water molecules through a selectively permeable membrane

Answer 22

Osmosis

Question 23

Release of wastes or cell products from indie to outside a cell

Answer 23

Expocytosis

Question 24

Contains digestive enzymes to break down substances

Answer 24

Lysosomes

Question 25

Where photosynthesis occurs

Answer 25

Chloroplast

Question 26

Control center of the cell; contains DNA

Answer 26

Nucleus

Question 27

Packages and ships proteins

Answer 27

Golgi apparatus

Question 28

Storage

Answer 28

Vacuole

Question 29

Powerhouse, makes ATP energy

Answer 29

Mitochondria

Question 30

Protects plant cell and gives strength

Answer 30

Cell wall

Question 31

Long whip-like tail for movement

Answer 31

Flagella

Question 32

Makes proteins

Answer 32

Ribosomes

Question 33

The organelle on which proteins are made

Answer 33

Rough ER

Question 34

Selectively permeable membrane

Answer 34

Cell membrane

Question 35

4 levels of cell organization

Answer 35

Cells
Tissues
Organs
Organ systems