Hierarchical Organization of Living Things

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Questions and Answers

What is the basic unit of matter found in both living and non-living things?

  • Molecules
  • Atoms (correct)
  • Organs
  • Cells

Which level of organization involves linking atoms together to form structures?

  • Molecules (correct)
  • Organ Systems
  • Tissues
  • Organelles

What is the basic unit of life that contains organelles for specific functions?

  • Molecules
  • Atoms
  • Organs
  • Cells (correct)

Which level of organization is formed by multiple cells working together?

<p>Tissues (B)</p> Signup and view all the answers

At which level of organization do you find organs that work together in a specific system?

<p>Organs (B)</p> Signup and view all the answers

What is the basic building block of all life?

<p>Cell (A)</p> Signup and view all the answers

Which term refers to the shape of something or what something is made of?

<p>Structure (A)</p> Signup and view all the answers

What does differentiation result in?

<p>Cell specialization (B)</p> Signup and view all the answers

Which cell type has long extensions for communicating long distances in the body?

<p>Nerve cell (A)</p> Signup and view all the answers

What is the term used to describe what something does or its role?

<p>Function (C)</p> Signup and view all the answers

Which of the following is NOT a basic unit of life?

<p>Tissue (C)</p> Signup and view all the answers

What happens during development regarding cells?

<p>Cells differentiate into different types (D)</p> Signup and view all the answers

Match the following terms with their correct definitions:

<p>Structure = Refers to the shape of something or what something is made of Function = Refers to what something does or its role Differentiation = Results in different cell types that are specialized in terms of structure and function Cell Division = Process through which a single cell divides to form multiple cells</p> Signup and view all the answers

Match the following statements with the correct term:

<p>A nerve cell has long extensions for communicating long distances in the body. = Neuron Red blood cells are different from nerve cells structurally and functionally. = Differentiation The process of a single cell dividing to form multiple cells. = Cell Division Refers to what something does or its role. = Function</p> Signup and view all the answers

Match the following descriptions with the correct process:

<p>Results in specialized cell types in terms of structure and function. = Differentiation The basic building block of all life. = Cell Process through which a single cell divides into multiple cells. = Cell Division Refers to the shape of something or what something is made of. = Structure</p> Signup and view all the answers

Match the following processes with their outcomes:

<p>Multiple cells being formed from a single cell. = Cell Division Development of specialized cell types. = Differentiation Creation of structures for communication within the body. = Neuron Understanding what something is made of. = Structure</p> Signup and view all the answers

Match the following terms with their correct functions:

<p>Neuron = Communicating long distances through the body Cell Division = Formation of multiple cells from a single cell Differentiation = Specialization of cell types in structure and function Function = Describing what something does or its role</p> Signup and view all the answers

What type of substances can pass through the phospholipid bilayer easily?

<p>Fat-soluble substances (B)</p> Signup and view all the answers

Which structures are involved in facilitating cell-cell adhesion?

<p>Proteins in the cell membrane (D)</p> Signup and view all the answers

Where are microvilli commonly found in the body?

<p>Small intestine (D)</p> Signup and view all the answers

What is the function of cilia in the respiratory tract?

<p>Moving substances like dust and bacteria (D)</p> Signup and view all the answers

Which organelles serve specific functions related to movement, absorption, and surface area increase?

<p>Microvilli (B)</p> Signup and view all the answers

In what way do flagella contribute to sperm cells?

<p>Propelling them towards the egg (B)</p> Signup and view all the answers

Which characteristic distinguishes the cell membrane as a selectively permeable barrier?

<p>It regulates the movement of substances into and out of the cell. (C)</p> Signup and view all the answers

What is the role of proteins embedded in the cell membrane for communication?

<p>Binding to signal molecules for communication (A)</p> Signup and view all the answers

Cilia are long whip-like extensions found in sperm cells.

<p>False (B)</p> Signup and view all the answers

Microvilli increase surface area for absorption and are commonly found in places like the small intestine and kidney.

<p>True (A)</p> Signup and view all the answers

The plasma membrane is mainly composed of a single layer of phospholipids.

<p>False (B)</p> Signup and view all the answers

Proteins embedded in the cell membrane are not involved in communication by binding to signal molecules.

<p>False (B)</p> Signup and view all the answers

The cell membrane does not act as a selectively permeable barrier.

<p>False (B)</p> Signup and view all the answers

Flagella are finger-like projections that help move substances in areas like the respiratory tract.

<p>False (B)</p> Signup and view all the answers

Cholesterol is not embedded in the plasma membrane along with proteins and phospholipids.

<p>False (B)</p> Signup and view all the answers

Cell-cell adhesion is not facilitated by proteins in the cell membrane.

<p>False (B)</p> Signup and view all the answers

What is the main function of the rough endoplasmic reticulum in a cell?

<p>Synthesize proteins (B)</p> Signup and view all the answers

Which organelle is commonly referred to as the 'stomach' of the cell?

<p>Lysosomes (A)</p> Signup and view all the answers

What is the specialized function of mitochondria within a cell?

<p>Energy production (A)</p> Signup and view all the answers

What distinguishes the nucleus from other organelles in a cell?

<p>Surrounded by a double membrane (C)</p> Signup and view all the answers

Which organelle has its own DNA passed on maternally and produces ATP?

<p>Mitochondria (C)</p> Signup and view all the answers

What is the primary role of peroxisomes within a cell?

<p>Break down substances like hydrogen peroxide (C)</p> Signup and view all the answers

What is the main function of nervous tissue in the human body?

<p>Facilitating rapid communication through neurons (B)</p> Signup and view all the answers

Which characteristic distinguishes muscle tissue from other tissue types?

<p>Specialization for contraction and the presence of striations (A)</p> Signup and view all the answers

How is epithelial tissue classified based on its structure?

<p>By the layers and shapes of cells forming sheets (B)</p> Signup and view all the answers

What is the primary function of connective tissue in the human body?

<p>Supporting and binding various tissues and organs together (B)</p> Signup and view all the answers

Which type of tissue is found in tendons, ligaments, bones, and blood?

<p>Connective tissue (A)</p> Signup and view all the answers

Which characteristic differentiates epithelial tissue from muscle tissue?

<p>Formation of sheets of tightly packed cells lining body surfaces (D)</p> Signup and view all the answers

Match the following tissue types with their primary locations in the human body:

<p>Nervous tissue = Brain, spinal cord, nerves Epithelial tissue = Body's surfaces and organs Muscle tissue = Skeletal, smooth, and cardiac muscle Connective tissue = Tendons, ligaments, bones, cartilage</p> Signup and view all the answers

Match the following cell components with their functions:

<p>Neurons = Rapid communication Glial cells = Support Cilia in trachea = Movement Microvilli in small intestine = Absorption</p> Signup and view all the answers

Match the following tissue characteristics with their types:

<p>Striation and voluntary control = Muscle tissue Simple squamous for diffusion = Epithelial tissue Sparse cells within an extracellular matrix = Connective tissue Sheets of tightly packed cells lining organs = Epithelial tissue</p> Signup and view all the answers

Match the following terms with their descriptions:

<p>Adipose tissue = Fat storage and insulation Skeletal muscle = Voluntary movement and striated appearance Blood = Transport of nutrients and waste products Columnar epithelium with cilia = Movement in the trachea</p> Signup and view all the answers

Match the following functions with their corresponding tissues:

<p>Support and binding = Connective tissue Contraction for movement = Muscle tissue Rapid communication = Nervous tissue Absorption and surface area increase = Epithelial tissue</p> Signup and view all the answers

Match the following descriptions with the correct tissues or cell components:

<p>Forms organs like tendons and ligaments = Connective tissue Lines the respiratory tract with columnar cells = Epithelial tissue Specialized for communication via electrical impulses = Nervous tissue Contains contractile proteins like actin and myosin = Muscle tissue</p> Signup and view all the answers

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Study Notes

  • Living things have a hierarchical organization starting from atoms, then molecules, cells, tissues, organs, organ systems, and finally the organism.
  • Atoms are the basic unit of matter found in both living and non-living things.
  • Molecules are formed by linking atoms together and can be found in living and non-living things.
  • Cells are the basic unit of life and contain organelles that carry out specific functions.
  • Tissues are formed by multiple cells working together, followed by organs, organ systems, and finally the organism.

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