12 Questions
Which type of animal tissue is characterized by closely-joined cells and serves as a barrier for pathogens and mechanical injuries?
Epithelial tissue
What is the function of pseudo-stratified columnar epithelial tissue in the body?
Active absorption of nutrients
Which statement best describes muscle tissue?
Muscle tissue consists of long cells called muscle fibers that allow voluntary or involuntary movement.
What distinguishes skeletal muscle from cardiac muscle in vertebrates?
Presence of intercalated disks for synchronized contraction
Which type of animal tissue consists of plasma containing erythrocytes, leukocytes, and platelets?
Blood (connective tissue)
What is the main function of stratified squamous epithelial tissue?
Protection
What is a characteristic feature of prokaryotic cells?
DNA found in nucleoid region
Which structure in prokaryotic cells acts as an extra layer of protection and helps in maintaining shape?
Polysaccharide capsule
What is the function of Pili in prokaryotic cells?
Genetic material exchange during conjugation
Which characteristic is unique to eukaryotic cells compared to prokaryotic cells?
Membrane-bound nucleus
What distinguishes eukaryotic cells from prokaryotic cells in terms of DNA organization?
Prokaryotic cells have several rod-shaped chromosomes
What is a common feature between prokaryotic and eukaryotic cells in terms of cell size?
Both types of cells have similar diameters
Explore the characteristics and features of prokaryotic cells, including the absence of a nucleus, presence of nucleoid, cell wall composition, and organization in various arrangements. Learn about the functions of different components within a prokaryotic cell.
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