Posts

Showing posts with the label father of cell

Featured post

ANATOMY OF FLOWERING PLANTS

Image
  What is Plant Anatomy? Plant anatomy is the study of internal structure and organization of tissues in plants. It helps in understanding: Functional adaptation Transport system Growth patterns Tissue Organization in Flowering Plants Flowering plants have three major tissue systems :  Epidermal Tissue System Components: Epidermis Single layer of compact cells No intercellular spaces Covered by cuticle (except roots) Cuticle Made of cutin Prevents water loss Stomata Present mainly on leaves Composed of guard cells Regulate: Gas exchange Transpiration Root hairs Extensions of epidermal cells Increase surface area for absorption Trichomes (in stem) Hair-like structures Protection + reduce transpiration  Functions: Protection Water conservation Gas exchange 🌿 B. Ground Tissue System  Types of Ground Tissue: 1. Parenchyma Living cells, thin cell wall Large vacuole Functions: Storage Photosynthesis ( chlorenchyma ) Air storage ( aerenchyma ) 2. Collenchyma Living cell...

THE FUNDAMENTAL UNIT OF LIFE EXTRA QUESTION

Image
Q: What is the fundamental organizational unit of life? A: The fundamental organizational unit of life is the cell. Q: What is the composition of the plasma membrane? A: The plasma membrane is composed of lipids and proteins. Q: What is the role of the cell membrane ? A: The cell membrane regulates the movement of materials between the interior of the cell and the outer environment. Q: Where is the cell wall located and what is it composed of in plant cells? A: In plant cells, the cell wall is located outside the cell membrane, and it is composed mainly of cellulose. Q: What is the function of the cell wall in plant cells? A: The presence of the cell wall enables plant, fungi, and bacterial cells to exist in hypotonic media without bursting. Q: How is the nucleus separated from the cytoplasm in eukaryotic cells? A: The nucleus in eukaryotes is separated from the cytoplasm by a double-layered membrane. Q: What is the role of the nucleus? A: The nucleus directs the life processes of the ...

what is biology?

Image
Biology is the study of living organisms and their interactions with the environment, covering topics like structure, function, growth, origin, evolution, and distribution. One of the unique features of living organisms is their ability to self-replicate and pass on their genetic material to their offspring, allowing for evolution and adaptation over time. DNA is the molecule that carries the genetic information that governs the traits and characteristics of living organisms, and advances in DNA sequencing technology have revolutionized our understanding of the diversity of life on Earth. The study of ecology involves understanding how living organisms interact with each other and their environment, and it plays a crucial role in our understanding of issues such as climate change, habitat destruction, and conservation One of the central questions in biology is how complex structures and functions arise from simple, fundamental processes, such as the interactions between molecules or th...