The organelle responsible for a variety of functions centering on the synthesis of lipids and carbohydrates is
(a) The Golgi apparatus
(b) The rough endoplasmic reticulum
(c) The smooth endoplasmic reticulum
(d) Mitochondria

검증된 단계별 안내

Step 1: Understand the functions of each organelle listed in the options to identify which one is primarily involved in lipid and carbohydrate synthesis.

Step 2: Recall that the Golgi apparatus mainly modifies, sorts, and packages proteins and lipids but is not the primary site of lipid or carbohydrate synthesis.

Step 3: Recognize that the rough endoplasmic reticulum (ER) is studded with ribosomes and is primarily involved in protein synthesis, not lipid or carbohydrate synthesis.

Step 4: Know that the smooth endoplasmic reticulum (ER) lacks ribosomes and is specialized in the synthesis of lipids and carbohydrates, as well as detoxification processes.

Step 5: Understand that mitochondria are the powerhouse of the cell, responsible for ATP production through cellular respiration, not for lipid or carbohydrate synthesis.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Smooth Endoplasmic Reticulum (SER)

The smooth endoplasmic reticulum is an organelle involved in the synthesis of lipids, including phospholipids and steroids, and carbohydrates. Unlike the rough ER, it lacks ribosomes on its surface, making it smooth. It also plays roles in detoxification and calcium ion storage.

Golgi Apparatus

The Golgi apparatus modifies, sorts, and packages proteins and lipids received from the endoplasmic reticulum for transport to their destinations. It is not primarily responsible for lipid or carbohydrate synthesis but is essential in processing and trafficking cellular molecules.

Organelle Functions in Cellular Metabolism

Different organelles specialize in distinct metabolic functions: mitochondria generate energy through respiration, rough ER synthesizes proteins, and smooth ER synthesizes lipids and carbohydrates. Understanding these roles helps identify which organelle performs specific biosynthetic tasks.

The organelle responsible for a variety of functions centering on the synthesis of lipids and carbohydrates is(a) The Golgi apparatus(b) The rough endoplasmic reticulum(c) The smooth endoplasmic reticulum(d) Mitochondria