Test 2

Question 1

What are the 3 Domains of life?

Answer 1

Bacteria, Archaea, Eukarya

Question 2

What Domain is prokaryotic cells a part of?

Answer 2

Bacteria and Archaea

Question 3

What Domain is Eukaryotic cells a part of?

Answer 3

Eukarya

Question 4

What are the cell shapes of bacteria?

Answer 4

Bacilli, Cocci, and Spirilla

Question 5

What are two examples of cyanobacteria?

Answer 5

Oscillatoria and Gloeocapsa

Question 6

What does the plasma membrane do?

Answer 6

regulates what passes into and out of the cell. Cell to cell recognition, connection and adhesion cell communication.

Question 7

What does the Nucleus do?

Answer 7

Instruction for protein synthesis and cell reproduction contains genetic information.

Question 8

What does the Nucleolus do?

Answer 8

Synthesis of RNA and ribosomes assembly.

Question 9

What does the Ribosomes do?

Answer 9

It is the site of protein synthesis.

Question 10

What does the Golgi apparatus do?

Answer 10

Packages protein for export from the cell; forms secretory vesicles.

Question 11

What do lysosomes do?

Answer 11

Digests worn out organelles and cell debris; digests materials taken up by endocytosis.

Question 12

What do Micro bodies do?

Answer 12

Isolates particular chemical activities from the rest of the cell?

Question 13

What does the mitochondria do?

Answer 13

Power plants of the cell: sites of oxidative metabolism.

Question 14

What does chloroplasts do?

Answer 14

It is the site of photosynthesis.

Question 15

What does the cytoskeleton do?

Answer 15

It provides structural support; cell movement.

Question 16

What do flagellas do?

Answer 16

It provides mobility or move fluids over surfaces.

Question 17

What does the cell wall do?

Answer 17

It provides protection and support.

Question 18

What does the rough ER do?

Answer 18

It synthesizes protein.

Question 19

What does the smooth ER do?

Answer 19

It synthesis phospholipids and carbohydrates.

Question 20

What cells are part of the Eukarya Domain?

Answer 20

Plants, Animals, protists, and Fungi

Question 21

What are 3 bacterial associations?

Answer 21

Diplo, Strepto, Staphylo

Question 22

What organelles are found in a plant cell but not animal cells?

Answer 22

cell walls, chloroplasts, central vacuole

Question 23

What organelles are found in animal cells and not in plant cells?

Answer 23

centrioles

Question 24

What is the study of cells called?

Answer 24

Cytology

Question 25

What components do both prokaryotic and Eukaryotic cells?

Answer 25

cell membrane, cytoplasm, and DNA

Question 26

What does the central vacuoles do?

Answer 26

Large membrane sacs involved in storage. (part of the plant cell)

Question 27

What does chloroplasts do?

Answer 27

It produces photosynthesis.

Question 28

What do centrioles do?

Answer 28

They help in cell division.

Question 29

What is bromian movement?

Answer 29

is the random motion of particles suspended in a fluid resulting from their collusion with fast- moving molecules in the fluids.

Question 30

What is passive transport?

Answer 30

Passive transport occurs when no energy is needed to assist the movement of substances across the membrane.

Question 31

What are the three types of passive transport?

Answer 31

simple diffusion, Facilitated diffusion, and Osmosis

Question 32

What is simple diffusion?

Answer 32

is the movement of molecules from a higher to a lower concentrate until all molecules are evenly distributed.

Question 33

What is facilitated diffusion?

Answer 33

It uses a carrier protein to move larger or charged molecules across the membrane.

Question 34

What factors affect passive transport?

Answer 34

size, polarity, temperature, and mass

Question 35

What types of molecules can move through the membrane Via passive transport?

Answer 35

Water, nonpolar small substances, and small gasses,

Question 36

What is osmosis?

Answer 36

is the diffusion of water across a selective permeable membrane due to concentration differences.

Question 37

Water movement is dependent on what?

Answer 37

the toxicity of the solution.

Question 38

What is active transport?

Answer 38

Movement across the membrane that requires energy. it needs a carrier protein and a form of ATP.

Question 39

What are some examples of Active transport?

Answer 39

Sodium- Potassium pump, coupled transport,

Question 40

What is tonicity?

Answer 40

It tells how much solute (solid) is present in a solution.

Question 41

What are Hypotonic solutions?

Answer 41

occurs when the solution has a lower concentration of solute and higher concentration of water.

Question 42

What is a hypertonic solution?

Answer 42

Occurs when there is a higher concentration of solute and a lower concentration of water.

Question 43

Substances with smaller molecular weight diffuse _____ than substances with higher molecular weight.

Answer 43

Faster

Question 44

What is a solvent?

Answer 44

It is the solid in a solution example (sugar and Salt)

Question 45

What is a solute?

Answer 45

Water in a solution.

Question 46

What are 3 characteristics of the cell membrane?

Answer 46

It has selective permeability, Made mostly of Phospholipids , Also contains protein, cholesterol and carbohydrates.

Question 47

What is dialysis?

Answer 47

separation of two solutes using a semipermeable membrane.

Question 48

What is the opening of a bacteria called?

Answer 48

Gullet