Science Experimentation Basics
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Questions and Answers

What is the term for the movement of particles from high to low concentration without energy?

  • Passive transport
  • Diffusion (correct)
  • Facilitated diffusion
  • Active transport
  • What is the pigment that absorbs light for photosynthesis and reflects green?

  • Carotenoids
  • Chlorophyll (correct)
  • Pigments
  • Phycobiliproteins
  • What is the ATP-producing process that occurs in the mitochondria during cellular respiration?

  • Electron transport chain (correct)
  • Fermentation
  • Krebs cycle
  • Glycolysis
  • What is the structure of a chromosome that is visible during mitosis?

    <p>X-shaped structure</p> Signup and view all the answers

    What is the process that generates a complementary RNA copy from a DNA template?

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

    What is the type of RNA that brings amino acids to the ribosome during protein synthesis?

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

    What is the equation that represents the breakdown of glucose during cellular respiration?

    <p>C6H12O6 + 6O2 -&gt; 6CO2 + Energy</p> Signup and view all the answers

    What is the term for the process by which cells become specialized to perform specific functions?

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

    What is the type of bond that holds the two strands of DNA together?

    <p>Hydrogen bond</p> Signup and view all the answers

    What is the process by which DNA is replicated?

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

    Study Notes

    Experimentation

    • Independent Variable: deliberately changed variable in an experiment
    • Dependent Variable: variable observed and kept constant in an experiment
    • Control Group: group where no independent variable is applied
    • Experimental Group: group where the independent variable is changed

    Data and Characteristics of Living Things

    • Quantitative Data: data represented with numbers
    • Qualitative Data: data described with words
    • Characteristics of Living Things: includes cells, reproduction, genetic code, growth, response, balance, change

    Cellular Processes

    • Diffusion: movement of particles from high to low concentration without energy
    • Facilitated Diffusion: diffusion through protein channels in the cell membrane
    • Photosynthesis Equation: 6CO2 + 6H2O -> C6H12O6 + 6O2
    • Chlorophyll: pigment absorbing light for photosynthesis, reflects green
    • Pigments: light-absorbing molecules in photosynthesis
    • Light Dependent Reaction: produces oxygen, NADPH, and ATP in photosynthesis
    • Calvin Cycle: uses ATP and NADPH to produce sugar in photosynthesis
    • ATP: energy-carrying molecule with adenine, ribose, and phosphate groups

    Cellular Respiration

    • Cellular Respiration Equation: 6O2 + C6H12O6 -> 6CO2 + Energy
    • Steps of Cellular Respiration: Glycolysis, Krebs cycle, Electron transport chain
    • Glycolysis: conversion of glucose to pyruvic acid
    • Krebs Cycle: breakdown of pyruvic acid to carbon dioxide in mitochondria
    • Electron Transport Chain: generates ATP using energy from electron carriers
    • Fermentation Types: Lactic acid and alcoholic fermentation

    Cells and Genetics

    • Chromosome Structure: X-shaped structure with sister chromatids
    • Chromatin: DNA before supercoiling into a chromosome
    • Centromere: central point of an X-shaped chromosome
    • Cell Cycle: includes interphase and mitosis
    • Mitosis Phases: Prophase, Metaphase, Anaphase, Telophase, Cytokinesis
    • Cytokinesis: division of cytoplasm and membrane in cell division
    • Stem Cell Types: various types in the cell cycle
    • Double Helix Parts: backbone with sugar and phosphate groups in DNA
    • Chemical Bonds in DNA: covalent bonds for bases, sugars, and phosphates; Hydrogen bonds between strands
    • Sugar Phosphate Backbone: structural framework of nucleic acids
    • Complementary Base Pairs: Adenine-Thymine, Cytosine-Guanine pairs in DNA
    • Chargaff's Rule: 1:1 ratio of bases in DNA from different organisms
    • Replication Enzymes: helicase, primase, DNA polymerase, ligase
    • Transcription: copying DNA into mRNA in the nucleus
    • Translation: protein synthesis using mRNA genetic information
    • Types of RNA and Functions: mRNA (template), tRNA (brings amino acids), rRNA (structure)

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    Description

    This quiz covers the fundamental concepts of experimentation, including variables, data types, and characteristics of living things. Test your understanding of independent and dependent variables, control groups, and more.

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