CLEP Biology Cell Organelle Structure/Function 2

Question 1

Which organelle is responsible for modifying, sorting, and packaging proteins for secretion or delivery to other organelles?

Accepted Answer

Golgi apparatus

Answer

Smooth endoplasmic reticulum

Answer

Lysosome

Answer

Peroxisome

Question 2

Cilia and flagella in eukaryotic cells are constructed primarily from which protein arrangement?

Accepted Answer

Microtubules in a 9+2 arrangement

Answer

Actin filaments in a 9+2 pattern

Answer

Intermediate filaments in a 9+0 pattern

Answer

Microfilaments in a 7+2 arrangement

Question 3

Which component of the endomembrane system is most directly involved in lipid synthesis?

Accepted Answer

Smooth endoplasmic reticulum

Answer

Rough endoplasmic reticulum

Answer

Nuclear envelope

Answer

Golgi cis face

Question 4

What is the primary function of the nucleolus found within the nucleus?

Accepted Answer

Ribosomal RNA synthesis and ribosome assembly

Answer

DNA replication

Answer

mRNA processing and splicing

Answer

Nuclear pore formation

Question 5

Peroxisomes carry out oxidative reactions that produce hydrogen peroxide; they prevent cell damage by containing which enzyme?

Accepted Answer

Catalase

Answer

Lipase

Answer

Protease

Answer

Amylase

Question 6

In plant cells, the central vacuole serves multiple roles. Which of the following is NOT a function of the central vacuole?

Accepted Answer

Synthesizing chlorophyll

Answer

Maintaining turgor pressure

Answer

Storing pigments and waste products

Answer

Isolating harmful materials

Question 7

Which cytoskeletal element is most responsible for maintaining cell shape and anchoring organelles in animal cells?

Accepted Answer

Intermediate filaments

Answer

Microfilaments (actin)

Answer

Microtubules

Answer

Spectrin networks