ER, Golgi and lysosomes Exam Prep Quiz

Which organelle is responsible for protein synthesis on its surface?

Rough ER

The smooth ER is primarily involved in:

Lipid synthesis and detoxification

The Golgi complex is responsible for:

Modifying, sorting, and packaging proteins

Lysosomes contain enzymes that function best in:

Acidic pH

Which organelle forms transport vesicles that move proteins to the Golgi?

Rough ER

The cis face of the Golgi complex is oriented toward the:

Rough ER

The trans face of the Golgi complex is oriented toward the:

Plasma membrane

Lysosomes are formed from vesicles that bud off from the:

Golgi complex

Which organelle detoxifies drugs and poisons?

Smooth ER

Which organelle is responsible for autophagy?

Lysosome

Proteins destined for secretion are processed in the:

Rough ER and Golgi complex

The rough ER is studded with:

Ribosomes

Lysosomal enzymes are synthesized in the:

Rough ER

The Golgi complex packages enzymes into:

Lysosomes

Which organelle helps maintain calcium ion levels in muscle cells?

Smooth ER

The ER lumen is the:

Internal compartment of the ER

Which organelle is involved in glycosylation of proteins?

Golgi complex

Lysosomes digest:

All answers are correct

The smooth ER is abundant in cells that specialize in:

Lipid metabolism

Which organelle produces secretory vesicles?

Golgi complex

The Golgi complex consists of:

Flattened membrane sacs called cisternae

Lysosomes play a major role in:

Intracellular digestion

Which organelle helps form the plasma membrane by producing lipids?

Smooth ER

Proteins enter the Golgi complex at the:

Cis face

Lysosomal enzymes are active only when:

the pH is acidic

The rough ER is continuous with the:

Nuclear envelope

The Golgi complex is especially active in cells that:

secrete proteins

Lysosomes originate from:

Golgi complex

The smooth ER helps detoxify substances by adding:

Hydroxyl groups

Which organelle is responsible for sorting proteins into vesicles?

Golgi complex