Test 2

Question 1

Plasma Membrane

Answer 1

Flexible outer boundary

Question 2

Types of ER

Answer 2

Smooth and Rough

Question 3

ICF-

Answer 3

Inside the cell

Cytoplasm

Question 4

ECF-

Answer 4

Ouside the Cell

Interstitial, Blood Plasma, Cerebrospinal

Question 5

Tight Junction

Answer 5

Impermeable junction that encircles the whole cell

Question 6

Gap Junctions

Answer 6

Tunnels that allow small molecules to pass from cell to cell

Question 7

What drives diffusion

Answer 7

Concentration Gradient

Question 8

Able to pass through the plasma membrane

Answer 8

Non-Polar
Lipid-Souble
Small molecules
Assisted large molecules

Question 9

Leakage Channel

Answer 9

Always open

Question 10

Gated Channel

Answer 10

Controlled by chemical or electrical signals

Question 11

When solutions of _________ osmolarties are separated by a Membrane that is permeable only to water, not solutes. ____________ will occur until equilibrium is reached

Answer 11

Different

Osmosis

Question 12

Isotonic

Answer 12

Volume will remain unchanged

Question 13

Hypertonic

Answer 13

Cell shrinks

Question 14

Hypotonic

Answer 14

Cell swells

Question 15

What tonicity could be used to treat a swollen patient?

Answer 15

Hypertonic

Question 16

Which solution should never be given?

Answer 16

Hypotonic

Question 17

________ &_________ transport both require energy from ATP

Answer 17

Active

Vesicular

Question 18

Antiporters

Answer 18

Transport 2 different substances in opposite directions

Question 19

Symporters

Answer 19

Transport 2 different substances in the same direction

Question 20

Primary

Answer 20

Energy comes from ATP

Question 21

Secondary energy comes from

Answer 21

Gradients made by primary

Question 22

What does a sodium and potassium leakage do??

Answer 22

Makes a pump that moves K back into the cell and Na out

Question 23

Types of endocytosis?

Answer 23

Phagocytosis
Pinocytosis
Receptor Mediatesgtosis

Question 24

What is related to a secreatory vesicle

Answer 24

Exocytosis

Question 25

Which ions establish the Resting Membrane Potential?

Answer 25

K and Na

Question 26

The resting Membrane potential is about _____ mV

Answer 26

-70

Question 27

What are ligands?

Answer 27

Chemical Messengers

Question 28

What are secondary messengers and what are the most common ones?

Answer 28

Cyclic Amp or Calcium

Question 29

Which organism can replicate itself?

Answer 29

Mitochondria

Question 30

Which organelle is responsible for production of ATP?

Answer 30

Mitochondria

Question 31

Which organelle performs peptide bonding?

Answer 31

Ribosomes

Question 32

Which type of endoplasmic reticulum helps convert glycogen into free glucose?

Answer 32

Smooth ER

Question 33

Transport Vesicles enter the ______ face of the Golgi Apparatus.

Answer 33

Cis-Face

Question 34

Transport vesicles exit from the _____ face of the Golgi Appartus

Answer 34

Trans-face

Question 35

Microvilli serve to _______ surface area for absorption.

Answer 35

Increase

Question 36

Which moves materials across cell surface?

Answer 36

Cillia & Flagella

Question 37

Which is the only anucleat cell in the body?

Answer 37

Red Blood Cells

Question 38

Chromosomes are Condensed Chromatin.

Answer 38

True

Question 39

Which is the phase for cell growth and carrying out its' usual activities?

Answer 39

Interphase

Question 40

Whoch phase involves vigorous growth of the cell?

Answer 40

G1

Question 41

Cells spend a majority of their time in ______

Answer 41

Interphase

Question 42

Which is the shortest subphase of the mitotic phase?

Answer 42

Anaphase

Question 43

Contact inhibition is a _______ signal in the cell cycle

Answer 43

G0

Question 44

If a cell doesn't pass the G1 checkpoint it enters ______ phase

Answer 44

G0

Question 45

In RNA urasil is substituted for _____ in DNA

Answer 45

Thymine

Question 46

Which carries the amino acids to the ribosomes during protein synthesis?

Answer 46

Transfer RNA

Question 47

Transcription occurs in three phases. When involves adding amino acids to a growing protein?

Answer 47

Initiation, Elongation, Termination

Question 48

UGA, UAA, and UAG are _____ codons

Answer 48

Stop

Question 49

The anticodon sequence tRNA is identical to DNA sequence, except adenine is substituted for _______.

Answer 49

Thymine

Question 50

The process whereby cells are programmed to die off instead of pass on a mutation is referred to as ______

Answer 50

Apoptosis

Question 51

Which of the following influences how many times a cell can undergo mitosis?

Answer 51

How many telemers a cell has.