L9 - Cell Structure Review (Jeopardy)

Question 1

The structure of the plasma membrane composed of phospholipids

Answer 1

Lipid Bi layer

Question 2

Two anti parallel DNA strands forms this structure due to bonds in the phosphate backbone

Answer 2

Double helix

Question 3

This cellular organelle organizes the location of intracellular organelles.

Answer 3

Intermediate filaments

Question 4

These structures translate mRNA into proteins

Answer 4

Ribosomes

Question 5

Genetic matreial within the mitochondrial are inherited through this parent

Answer 5

Maternal (mom)

Question 6

Within the lumen these proteins of the endoplasmic reticulum until all modification are complete …

Answer 6

Chaperon proteins

Question 7

This process of aerobic metabolism moves protons down an electrochemical gradient allowing energy to be

Answer 7

Electron transport chain

Question 8

The term for the mechanical link through which cells communicate with each other

Answer 8

Junctions; tight junctions

Question 9

This organelle is known as the “powerhouse of the cell”

Answer 9

Mitochondria

Question 10

These are horizontal associations of sphingomyelin and cholesterol

Answer 10

Lipid rafts

Question 11

This subgroup of molecules are a harmful byproduct …

Answer 11

Free radicals

Question 12

Purines and pyrimidines are examples of these

Answer 12

Nucleic acids

Question 13

The term that refers to the spatial differences in shape, structure and functions of cells

Answer 13

Cell polarity

Question 14

This structure is responsible for storage of intracellular calcium

Answer 14

Smooth endoplasmic reticulum

Question 15

DNA is organized around these structures to form nucleosomes

Answer 15

Histones

Question 16

These create a continuous barrier that is highly resistant to paracellular ion movement

Answer 16

Tight junctions

Question 17

Prominence of this nuclear organelle is a subjective measure of a cell’s synthetic activity

Answer 17

Nucleolus

Note: Essentially it makes ribosomes

Question 18

This portion of the DNA strand is tightly coiled and transcriptionally inactive

Answer 18

Heterochromatin

Question 19

The organelle that has both rough and

Answer 19

Endoplasmic reticulum

Question 20

These anchoring junctions dissipate extracellular forces over multiple cells

Answer 20

Desmosomes

Question 21

This type of junction allows calcium to flow between cells and coordinates waves

Answer 21

Gap junctions

Question 22

This molecules can be used by cells instead of glucose in the electron transport chain as a source of non-shivering heat

Answer 22

Thermogenin

Question 23

The largest polar molecule that can pass through the plasma membrane

Answer 23

75 daltons

Question 24

The thinnest component of the cytoskeleton

Answer 24

Microfilaments

Question 25

This sugar moiety attached within the Golgi apparatus signals enzymes to move to lysosomes.

Answer 25

Manose-6-phosphate

Question 26

The mechanism by which non-polar hydrophobic molecules moves down a concentration gradient

Answer 26

Passive transport

Question 27

This protein is associated with hemidesmosomes is involved in adhesion of the cell to the extracellular matrix

Answer 27

Integrins

Question 28

Motility is one of the major functions of this large family of cytoskelteal filaments

Answer 28

Actin myofilaments

Question 29

A plasma membrane phospholids that is a cofactor in blood clotting

Answer 29

Phosphatidylserine

Question 30

The protein that move antegrade (from - to +) along microtubules

Answer 30

Kinesins

Note: Dyeins go the other way