Proteins and Nucleic Acids Functions Quiz
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Questions and Answers

What is the main focus of biology?

  • Studying non-living things
  • Investigating the structure of rocks
  • Examining the characteristics of living organisms (correct)
  • Exploring the properties of gases
  • Which of the following is NOT a characteristic of living organisms?

  • Adaptation through evolution
  • Metabolism
  • Abiotic organization (correct)
  • Reproduction, growth, and development
  • What process helps living organisms maintain a stable internal environment?

  • Homeostasis (correct)
  • Mitosis
  • Photosynthesis
  • Respiration
  • How are living organisms classified based on cell type?

    <p>By the presence of a nucleus</p> Signup and view all the answers

    Why is the concentration of glucose important for homeostasis?

    <p>To ensure appropriate energy levels</p> Signup and view all the answers

    How does biology contribute to our understanding of living things?

    <p>By investigating the structure and function of cells</p> Signup and view all the answers

    Which domain includes organisms that are mostly unicellular and have both prokaryotic and eukaryotic characteristics?

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

    Which kingdom consists mostly of multicellular autotrophs with cell walls made of cellulose?

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

    What is the main difference between the feeding types of Fungi and Animalia?

    <p>Fungi are autotrophs while Animalia are heterotrophs</p> Signup and view all the answers

    What is a characteristic common to all scientific names of organisms?

    <p>They are italicized when typed or underlined when handwritten</p> Signup and view all the answers

    What is the basic unit of matter that all organisms are composed of?

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

    Which kingdom includes organisms that lack a cell wall and are multicellular heterotrophs?

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

    What is the sugar found in DNA?

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

    Which base pairs are present in DNA?

    <p>Adenine-Thymine and Cytosine-Guanine</p> Signup and view all the answers

    Where is DNA primarily found in the cell?

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

    Which bases are present in RNA but not in DNA?

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

    What is the function of carbohydrates in cells?

    <p>Energy storage and structural support</p> Signup and view all the answers

    What are lipids formed from?

    <p>Fatty acids</p> Signup and view all the answers

    Which type of protein is responsible for protecting against foreign substances?

    <p>Defensive protein</p> Signup and view all the answers

    What is the main function of DNA?

    <p>Storage and transmission of genetic information</p> Signup and view all the answers

    What is the backbone of a nucleic acid made of?

    <p>Sugar and phosphate molecules</p> Signup and view all the answers

    In nucleic acids, what is attached to the sugar groups in the backbone?

    <p>Nucleotide bases</p> Signup and view all the answers

    Which type of nucleic acid converts genetic information to build proteins?

    <p>Ribonucleic acid</p> Signup and view all the answers

    How many strands make up DNA, and what are they arranged in?

    <p>Two strands arranged in a double helix</p> Signup and view all the answers

    Which type of vitamins are released, absorbed, and transported with dietary fat?

    <p>Fat-soluble vitamins</p> Signup and view all the answers

    Where are fat-soluble vitamins stored in the body?

    <p>Liver, fatty tissue, and muscles</p> Signup and view all the answers

    Which group of vitamins needs to be consumed regularly to prevent deficiencies?

    <p>Water-soluble vitamins</p> Signup and view all the answers

    What is the exception among water-soluble vitamins that can be stored in the liver for many years?

    <p>Vitamin B12</p> Signup and view all the answers

    What is the most abundant molecule in cells, whole organisms, and on earth?

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

    What percentage of total cell mass does water account for?

    <p>70% or more</p> Signup and view all the answers

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