Cell Biology Basics
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Questions and Answers

What is the main function of the plasma membrane?

  • To regulate what enters and leaves the cell (correct)
  • To store DNA
  • To synthesize proteins
  • To generate energy for the cell
  • Which organelle is responsible for generating energy for the cell?

  • Ribosomes
  • Endoplasmic Reticulum
  • Nucleus
  • Mitochondria (correct)
  • What is the primary function of the epithelial tissue?

  • To transmit and process information
  • To facilitate movement and contraction
  • To form the lining of organs and glands (correct)
  • To provide support and structure to the body
  • Which system is responsible for transporting oxygen and nutrients to cells?

    <p>Circulatory System</p> Signup and view all the answers

    What is the process by which cells convert light energy into chemical energy?

    <p>Photosynthesis</p> Signup and view all the answers

    What is the main function of the endocrine system?

    <p>To produce and regulate hormones</p> Signup and view all the answers

    Study Notes

    Cell Biology

    Cell Structure

    • Plasma Membrane: semi-permeable membrane that regulates what enters and leaves the cell
    • Cytoplasm: jelly-like substance inside the cell membrane where metabolic processes occur
    • Nucleus: control center of the cell where DNA is stored
    • Mitochondria: organelles responsible for generating energy for the cell
    • Endoplasmic Reticulum (ER): network of membranous tubules and cisternae involved in protein synthesis and transport
    • Ribosomes: site of protein synthesis

    Cell Functions

    • Metabolism: conversion of energy and nutrients into cellular components
    • Photosynthesis: process by which cells convert light energy into chemical energy
    • Cell Division: process of cell growth and reproduction (mitosis, meiosis)

    Structures

    Tissue Types

    • Epithelial Tissue: forms lining of organs and glands, protects underlying tissues
    • Connective Tissue: provides support and structure to the body
    • Muscle Tissue: responsible for movement and contraction
    • Nervous Tissue: transmits and processes information

    Organ Systems

    • Nervous System: controls and coordinates body functions
    • Circulatory System: transports oxygen and nutrients to cells
    • Respiratory System: brings oxygen into the body and removes carbon dioxide
    • Digestive System: breaks down and absorbs nutrients from food
    • Endocrine System: produces and regulates hormones
    • Immune System: defends the body against pathogens and disease
    • Integumentary System: protects the body from external damage
    • Muscular System: facilitates movement and maintains posture
    • Skeletal System: provides support and protection to the body

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    Test your knowledge of cell structure, functions, and tissue types. Learn about the components of a cell, cell division, metabolism, and more. Explore the different types of tissues and organ systems in the human body.

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