Cell Organelles and Their Functions

The video tutorial explains how to identify structures in both prokaryotic and eukaryotic cells using electron micrographs. It covers the identification of ribosomes, nucleoid regions, cell walls, and other structures in prokaryotic cells. For eukaryotic cells, it discusses the endoplasmic reticulum, mitochondria, nucleus, Golgi apparatus, and lysosomes. The tutorial also highlights how the abundance of certain organelles can indicate cell specialization, such as protein synthesis in exocrine pancreas cells or photosynthesis in plant mesophyll cells.

Which structure in a prokaryotic cell is identified as tiny black dots in the cytoplasm?

• Plasma membrane

• Ribosomes

• Nucleoid region

• Cell wall

What is the function of the flagellum in prokaryotic cells?

• Protein synthesis

• Photosynthesis

• Movement

• Storage of nutrients

How can you differentiate between smooth and rough endoplasmic reticulum?

• By their location in the cell

• By the presence of ribosomes

• By their color

• By their size

What is the primary function of mitochondria in eukaryotic cells?

• Photosynthesis

• Protein synthesis

• Energy production

• Storage of genetic material

Which organelle is identified by its curved shape and vesicles at the end of tubules?

• Nucleus

• Mitochondria

• Golgi apparatus

• Lysosome

What is the relative size of the nucleus compared to mitochondria and rough endoplasmic reticulum?

• Varies depending on the cell

• Smaller

• Same size

• Larger

Which organelle is responsible for sorting and packaging proteins in the cell?

• Lysosome

• Golgi apparatus

• Ribosome

• Mitochondria

What is the function of zymogen granules in exocrine gland cells?

• Protein synthesis

• Energy production

• Photosynthesis

• Storage and secretion of digestive enzymes

Which type of cell is specialized for photosynthesis in plants?

• Stem cell

• Mesophyll cell

• Guard cell

• Root cell

What is the primary role of chloroplasts in plant cells?

• Protein synthesis

• Energy production

• Storage of nutrients

• Photosynthesis