Cell Structure and Function Concepts

The video tutorial by Professor Fred from Brasil Escola compares animal and plant cells, discussing their origins, structures, and key differences. It covers the shared eukaryotic nature of these cells, their organelles like mitochondria and chloroplasts, and the differences in their membranes and external structures. The tutorial also explains the role of plastos and vacuoles in plant cells and provides tips for distinguishing between the two cell types.

What is the common origin of both animal and plant cells?

• Prokaryotic ancestors

• Fungi

• Viruses

• Archaea

Which organelle is shared by both animal and plant cells and has its own DNA?

• Nucleus

• Ribosome

• Mitochondria

• Golgi apparatus

What is the main difference in the cell membrane composition between animal and plant cells?

• Presence of cholesterol in animal cells

• Presence of proteins in plant cells

• Presence of carbohydrates in plant cells

• Presence of lipids in animal cells

What structure provides mechanical and chemical resistance to animal cells?

• Cytoskeleton

• Cell wall

• Plasma membrane

• Glycocalyx

What is the main component of the plant cell wall?

• Chitin

• Lipids

• Cellulose

• Glycoproteins

Which structure is responsible for forming the cytoskeleton in animal cells?

• Ribosome

• Centrosome

• Centriole

• Nucleus

Which organelle is primarily involved in aerobic respiration?

• Mitochondria

• Chloroplast

• Lysosome

• Endoplasmic reticulum

What type of plastid is responsible for photosynthesis in plant cells?

• Amyloplast

• Chloroplast

• Chromoplast

• Leucoplast

What is the primary function of vacuoles in plant cells?

• DNA replication

• Storage and osmotic balance

• Energy production

• Protein synthesis

Which pigment is commonly stored in vacuoles and can vary in color from red to blue?

• Anthocyanins

• Carotenoids

• Xanthophylls

• Chlorophyll