CELL STRUCTURE AND COMPARTMENTS QUIZ

Which of the following statements about prokaryotes is false?

Ancient prokaryotes may have given rise to some eukaryotic organelles

Prokaryotic cells are much smaller than most eukaryotic cells

Prokaryotic cells concentrate important materials for the cells survival

The substance known as cytosol is found within the bacterial nucleus

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following structures is expected in a bacterium?

Plasma membrane

Endoplasmic reticulum

Golgi apparatus

Nucleus

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YOUR ANSWER : ?

Eukaryotic cells are more efficient than prokaryotes because their internal compartmentalization

allows for specialization through the subdivision of particular tasks

reduces overall cell size

makes each compartment nutritionally independent of all others

allows for specialization through merging of different tasks

TRUE ANSWER : ?
YOUR ANSWER : ?

Lysosomes are specialized vesicles in that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in , also contains enzymes but in addition may act as a storage organelle for nutrients or water.

animals; plants and fungi

animals and plants; fungi

plants and fungi; animals

plants; animals and fungi

TRUE ANSWER : ?
YOUR ANSWER : ?

Microtubules, motor proteins, and actin filaments are all part of

the rough ER (endoplasmic reticulum) in prokaryotic cells

the cytoskeleton of eukaryotic cells

the process that moves small molecules across cell membranes

the mechanism of photosynthesis that occurs in chloroplasts

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following macromolecules are found in the plasma membrane?

Lipids and proteins only

Lipids, proteins, and carbohydrates

Proteins only

Proteins and carbohydrates only

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YOUR ANSWER : ?

Which of the following cell organelles are expected to be associated with motor proteins?

Smooth ER

Plasma membrane

Vesicles

Chloroplasts

TRUE ANSWER : ?
YOUR ANSWER : ?

An organism's first line of defense against attack by an invader such as a virus or bacterium is usually

to flee or hide

a specific immune response

its body wall

a nonspecific immune response

TRUE ANSWER : ?
YOUR ANSWER : ?

In terms of basic cell structure, what do an elephant and an oak tree have in common?

All of these

They both have mitochondria

They both are eukaryotes

They both have a cell nucleus

TRUE ANSWER : ?
YOUR ANSWER : ?

The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts

increase the surface area where key chemical processes can occur

assist with cell movement

help the cell against physical damage

make it possible to package large amounts of DNA within the cell

TRUE ANSWER : ?
YOUR ANSWER : ?

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