Lab 2: Part 1: Introduction to the Cells: Cellular Structure + Function

Question 1

Plasma membrane

Answer 1

the selective permeable outer barrier of the cell

-controls what enters and exits the cell

Question 2

Nucleus

Answer 2

houses genetic information (DNA)

-controls cellular structure and function

Question 3

Nucleolus

Answer 3

produces ribosomes

Question 4

Cytosol

Answer 4

fluid portion of the cytoplasm that surrounds the organelles

Question 5

Rough Endoplasmic Reticulum

Answer 5

network of flattened sacs that synthesize glycoproteins and phospholipids

Question 6

Smooth Endoplasmic Reticulum

Answer 6

network of tubules that synthesize lipids (fatty acids + steroids)

Question 7

Golgi apparatus = Golgi body = Golgi complex

Answer 7

modifies, sorts, packages, and transports proteins received from the ER

Question 8

Mitochondrion

Answer 8

“powerhouse” of the cell, generates energy or ATP

Question 9

Lysosome

Answer 9

contain digestive enzymes that breakdown a variety of molecules

Question 10

Centrioles

Answer 10

organizing center for growth of mitotic spindles (needed for cell division) and microtubules

Question 11

Cytoskeleton

Answer 11

network of protein filaments that extend through the cytosol