Mod 3: Cell structures and functions

Question 1

I define the boundaries of a cell and regulate the passage of substances into and out of the cell

Answer 1

Plasma membrane

Question 2

What does the plasma membrane consist of?

Answer 2

Phospholipids, cholesterol, and protein

Question 3

Where is all of the cells genetic information located?

Answer 3

Nucleus

Question 4

Gel like substance that fills the space between the plasma membrane and the nucleus

Answer 4

Cytoplasm

Question 5

I fill the cytoplasm and perform specific tasks in metabolism

Answer 5

Organelles

Question 6

I make and package proteins and lipids, I’m a network of membranous canals and curving sacs

Answer 6

Endoplasmic reticulum

Question 7

What is the function of rough ER?

Answer 7

Contains ribosomes - makes and packages proteins which move through canals towards the Golgi apparatus

Question 8

What is the role of the smooth ER?

Answer 8

Assembles and packages certain lipids and carbohydrates

Question 9

We are small sac-like structures surrounded by a single membrane and contain strong digestive enzymes, which when released, can break down worn out organelles or food. Who are we?

Answer 9

Lysosomes

*garbage disposal - remember “Lysol” kills bacteria

Question 10

I am often referred to as the “powerhouse” of the cell. I release food energy from food molecules to be used by the cell. Who am I?

Answer 10

Mitochondria

Question 11

I prepare and temporarily store protein which can then leave the cell via vesicles. Who am I?

Answer 11

Golgi apparatus

Question 12

These bundles of microtubules play a role in cell division

Answer 12

Centrioles