CH 2: Cell structure and function

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What is the main function of lysosomes in a cell?

Site of cellular respiration

Storage of genetic material

Breakdown of waste materials and cellular debris (correct)

Synthesis of proteins and lipids

Why do animal cells not have a cell wall?

To allow for a variety of cell shapes and complex structures (correct)

To increase the rate of cellular respiration

To prevent the formation of complex structures

To enhance the synthesis of lipids

Which organelle modifies, sorts, and packages proteins and lipids for storage or transport out of the cell?

Nucleus

Ribosomes

Mitochondria

Golgi apparatus (correct)

What is the role of centrioles in animal cells?

Facilitate cell division Signup and view all the answers

What is the primary function of the large central vacuole in plant cells?

Storage and maintaining cell rigidity Signup and view all the answers

Which of the following processes occurs exclusively in plant cells?

Photosynthesis Signup and view all the answers

What is the primary function of the cell membrane?

Selective permeability Signup and view all the answers

What is the process by which small nonpolar molecules cross the cell membrane?

Diffusion Signup and view all the answers

Which of the following is not a transport mechanism across the cell membrane?

Photosynthesis Signup and view all the answers

What is the basic building block of life?

Cells Signup and view all the answers

What is the function of the cell membrane?

Regulates the movement of substances in and out of the cell Signup and view all the answers

Which organelle is responsible for converting solar energy into glucose?

Chloroplasts Signup and view all the answers

What is the role of the nucleus in a cell?

Control center housing DNA Signup and view all the answers

Which feature is found in plant cells but not in animal cells?

Chloroplasts Signup and view all the answers

What provides structural strength to a plant cell?

Cell Wall Signup and view all the answers

Which organelle is involved in cell division in animal cells?

Centrioles Signup and view all the answers

'Channels through cell walls that connect the cytoplasm of adjacent cells for transport and communication' refers to what?

Plasmodesmata Signup and view all the answers

Which organelle acts as storage in a plant cell?

Vacuole Signup and view all the answers

'A gel-like fluid matrix that supports and suspends organelles' describes which cell component?

Cytoplasm Signup and view all the answers

What is the function of organelles in cells?

Perform distinct processes essential for cellular function Signup and view all the answers

What is the specific feature in plant cells responsible for converting solar energy into chemical energy stored as glucose?

Chloroplasts Signup and view all the answers

Which organelle provides structural strength, protection, and shape to plant cells?

Cell Wall Signup and view all the answers

Which feature of plant cells serves as storage for water, salts, proteins, and carbohydrates?

Vacuole Signup and view all the answers

What is the function of plasmodesmata in plant cells?

Transport and communication Signup and view all the answers

Which structure in animal cells is involved in the separation of chromosomes during cell division?

Centrioles Signup and view all the answers

Which organelle acts as the control center of the cell and houses DNA in both plant and animal cells?

Nucleus Signup and view all the answers

What is the primary function of the cell membrane in both plant and animal cells?

Barrier regulation Signup and view all the answers

What is the main function of organelles in cells?

Performing specific processes Signup and view all the answers

Which organelle contains digestive enzymes that break down waste materials and cellular debris?

Lysosome Signup and view all the answers

Which organelle is responsible for the synthesis of lipids and detoxification in both plant and animal cells?

Smooth ER Signup and view all the answers

What is the primary function of the large central vacuole in plant cells?

Storage and maintaining cell rigidity Signup and view all the answers

Which transport mechanism allows small nonpolar molecules to cross the cell membrane?

Diffusion Signup and view all the answers

Which structure is involved in the process of cell division in animal cells?

Centrioles Signup and view all the answers

What is the main function of the cell membrane?

Selective permeability Signup and view all the answers

Which organelle modifies, sorts, and packages proteins and lipids for storage or transport out of the cell?

Golgi Apparatus Signup and view all the answers

Which process occurs exclusively in plant cells?

Photosynthesis Signup and view all the answers

Which organelle acts as storage and transport in animal cells?

Small vacuoles Signup and view all the answers

Which feature is found in plant cells but not in animal cells?

Cell wall Signup and view all the answers

Which organelle is responsible for the conversion of light energy into chemical energy in plant cells?

Chloroplasts Signup and view all the answers

Which component in the cell provides structural support and shape to the cell?

Cell wall Signup and view all the answers

Which organelle is responsible for the synthesis of ribosomal RNA (rRNA) in eukaryotic cells?

Nucleus Signup and view all the answers

Which structure in the cell is involved in the process of cell division in both plant and animal cells?

Centrioles Signup and view all the answers

Which organelle is responsible for the breakdown and recycling of cellular waste in both plant and animal cells?

Lysosomes Signup and view all the answers

Which organelle is involved in the synthesis and modification of proteins in eukaryotic cells?

Endoplasmic reticulum Signup and view all the answers

Which organelle is responsible for the production of energy in the form of ATP in both plant and animal cells?

Mitochondria Signup and view all the answers

Which organelle is responsible for the packaging and transport of proteins and lipids in eukaryotic cells?

Golgi apparatus Signup and view all the answers

Which organelle is responsible for the synthesis of cholesterol and steroid hormones in animal cells?

Endoplasmic reticulum Signup and view all the answers

Which organelle is responsible for the detoxification of drugs and other harmful substances in both plant and animal cells?

Endoplasmic reticulum Signup and view all the answers

What unique process occurs in plant cells and not in animal cells?

Photosynthesis Signup and view all the answers

Which organelle serves as the site of cellular respiration in both plant and animal cells?

Mitochondria Signup and view all the answers

What structural feature allows animal cells to form diverse shapes and complex structures?

Centrioles Signup and view all the answers

Which mechanism is crucial for maintaining cellular homeostasis by allowing specific substances to enter or leave the cell?

Active transport Signup and view all the answers

What is the function of lysosomes in animal cells?

Break down waste materials Signup and view all the answers

Which organelle is responsible for modifying, sorting, and packaging proteins and lipids in both plant and animal cells?

Golgi apparatus Signup and view all the answers

In what cellular activity do centrioles play a crucial role in animal cells?

Cell division Signup and view all the answers

What distinctive feature of plant cells provides structural strength, protection, and shape?

Central vacuole Signup and view all the answers

What is the primary role of the cell membrane in maintaining cellular functions?

Regulation of molecules entering/exiting the cell Signup and view all the answers

Which organelle acts as a control center for the cell's activities and stores genetic material in both plant and animal cells?

Nucleus Signup and view all the answers

CH 2: Cell structure and function

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Questions and Answers

What is the main function of lysosomes in a cell?

Why do animal cells not have a cell wall?

Which organelle modifies, sorts, and packages proteins and lipids for storage or transport out of the cell?

What is the role of centrioles in animal cells?

What is the primary function of the large central vacuole in plant cells?

Which of the following processes occurs exclusively in plant cells?

What is the primary function of the cell membrane?

What is the process by which small nonpolar molecules cross the cell membrane?

Which of the following is not a transport mechanism across the cell membrane?

What is the basic building block of life?

What is the function of the cell membrane?

Which organelle is responsible for converting solar energy into glucose?

What is the role of the nucleus in a cell?

Which feature is found in plant cells but not in animal cells?

What provides structural strength to a plant cell?

Which organelle is involved in cell division in animal cells?

'Channels through cell walls that connect the cytoplasm of adjacent cells for transport and communication' refers to what?

Which organelle acts as storage in a plant cell?

'A gel-like fluid matrix that supports and suspends organelles' describes which cell component?

What is the function of organelles in cells?

What is the specific feature in plant cells responsible for converting solar energy into chemical energy stored as glucose?

Which organelle provides structural strength, protection, and shape to plant cells?

Which feature of plant cells serves as storage for water, salts, proteins, and carbohydrates?

What is the function of plasmodesmata in plant cells?

Which structure in animal cells is involved in the separation of chromosomes during cell division?

Which organelle acts as the control center of the cell and houses DNA in both plant and animal cells?

What is the primary function of the cell membrane in both plant and animal cells?

What is the main function of organelles in cells?

Which organelle contains digestive enzymes that break down waste materials and cellular debris?

Which organelle is responsible for the synthesis of lipids and detoxification in both plant and animal cells?

What is the primary function of the large central vacuole in plant cells?

Which transport mechanism allows small nonpolar molecules to cross the cell membrane?

Which structure is involved in the process of cell division in animal cells?

What is the main function of the cell membrane?

Which organelle modifies, sorts, and packages proteins and lipids for storage or transport out of the cell?

Which process occurs exclusively in plant cells?

Which organelle acts as storage and transport in animal cells?

Which feature is found in plant cells but not in animal cells?

Which organelle is responsible for the conversion of light energy into chemical energy in plant cells?

Which component in the cell provides structural support and shape to the cell?

Which organelle is responsible for the synthesis of ribosomal RNA (rRNA) in eukaryotic cells?

Which structure in the cell is involved in the process of cell division in both plant and animal cells?

Which organelle is responsible for the breakdown and recycling of cellular waste in both plant and animal cells?

Which organelle is involved in the synthesis and modification of proteins in eukaryotic cells?

Which organelle is responsible for the production of energy in the form of ATP in both plant and animal cells?

Which organelle is responsible for the packaging and transport of proteins and lipids in eukaryotic cells?

Which organelle is responsible for the synthesis of cholesterol and steroid hormones in animal cells?

Which organelle is responsible for the detoxification of drugs and other harmful substances in both plant and animal cells?

What unique process occurs in plant cells and not in animal cells?

Which organelle serves as the site of cellular respiration in both plant and animal cells?

What structural feature allows animal cells to form diverse shapes and complex structures?

Which mechanism is crucial for maintaining cellular homeostasis by allowing specific substances to enter or leave the cell?

What is the function of lysosomes in animal cells?

Which organelle is responsible for modifying, sorting, and packaging proteins and lipids in both plant and animal cells?

In what cellular activity do centrioles play a crucial role in animal cells?

What distinctive feature of plant cells provides structural strength, protection, and shape?

What is the primary role of the cell membrane in maintaining cellular functions?

Which organelle acts as a control center for the cell's activities and stores genetic material in both plant and animal cells?

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