UTA Biology Exam 2 UPDATED ACTUAL
Exam Questions and CORRECT Answers
All cells have: (4) - CORRECT ANSWER - 1. Cell (plasma) membrane
2. Cytosol
3. DNA
4. Ribosomes
Are prokaryotic cells simple or complex? - CORRECT ANSWER - Simple
What distinguishes eukaryotic cells from prokaryotic cells? - CORRECT ANSWER - They
have a nucleus and membrane-bound organelles.
What 7 parts are a part of the endomembrane system? - CORRECT ANSWER - Plasma
membrane, nuclear envelope, endoplasmic reticulum, golgi apparatus, vesicles, central vacuole,
lysosomes
What does the extracellular matrix do? - CORRECT ANSWER - Supports and protects
cells and provides mechanical linkages between tissues
Define magnification - CORRECT ANSWER - The ratio of an object's image size to its
real size (400x)
Define resolution - CORRECT ANSWER - The minimum distance that two points can be
separated and still be seen as two points
Define contrast - CORRECT ANSWER - The difference in brightness between the light
and dark areas of an image
Exam Questions and CORRECT Answers
All cells have: (4) - CORRECT ANSWER - 1. Cell (plasma) membrane
2. Cytosol
3. DNA
4. Ribosomes
Are prokaryotic cells simple or complex? - CORRECT ANSWER - Simple
What distinguishes eukaryotic cells from prokaryotic cells? - CORRECT ANSWER - They
have a nucleus and membrane-bound organelles.
What 7 parts are a part of the endomembrane system? - CORRECT ANSWER - Plasma
membrane, nuclear envelope, endoplasmic reticulum, golgi apparatus, vesicles, central vacuole,
lysosomes
What does the extracellular matrix do? - CORRECT ANSWER - Supports and protects
cells and provides mechanical linkages between tissues
Define magnification - CORRECT ANSWER - The ratio of an object's image size to its
real size (400x)
Define resolution - CORRECT ANSWER - The minimum distance that two points can be
separated and still be seen as two points
Define contrast - CORRECT ANSWER - The difference in brightness between the light
and dark areas of an image
