Biology Quiz on Taxonomy and Macromolecules
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Questions and Answers

What is the term for a community of organisms of the same species that live in the same area and interact with each other?

  • Community
  • Ecosystem
  • Population (correct)
  • Habitat
  • Which level of the taxonomic hierarchy is the highest and includes the broadest categories?

  • Class
  • Kingdom
  • Domain (correct)
  • Phylum
  • Which of the following correctly identifies the two domains that consist of prokaryotic organisms?

  • Bacteria and Plant
  • Eukarya and Bacteria
  • Archaea and Bacteria (correct)
  • Archaea and Fungi
  • In terms of evolutionary relationships, which group is considered more closely related to eukaryotes?

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

    What is the lowest level of classification in the taxonomic hierarchy?

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

    What type of carbohydrate is formed by linking two monosaccharides?

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

    What is the role of the control group in an experiment?

    <p>It helps to establish a baseline for comparison.</p> Signup and view all the answers

    Which bond is specifically responsible for forming a disaccharide?

    <p>Glycosidic bonds</p> Signup and view all the answers

    Which of the following correctly describes the difference between tertiary and quaternary protein structures?

    <p>Quaternary structure is defined by multiple folded chains.</p> Signup and view all the answers

    What is the scientific term for the measurable effects in an experiment?

    <p>Dependent variables</p> Signup and view all the answers

    What is the primary energy storage polysaccharide in plants?

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

    Which of these molecules serve as the building blocks for proteins?

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

    What is the structural unit of nucleic acids?

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

    What type of bond connects amino acids together in a protein?

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

    Which type of bond links the sugar and phosphate groups in nucleotides?

    <p>Phosphodiester bonds</p> Signup and view all the answers

    Which type of bond is characterized by the unequal sharing of electrons?

    <p>Polar covalent bond</p> Signup and view all the answers

    What is the result of removing an electron from an atom during bond formation?

    <p>The atom becomes a cation</p> Signup and view all the answers

    Which of the following reactions is responsible for linking monomers together?

    <p>Dehydration synthesis</p> Signup and view all the answers

    What kind of bond is formed between sodium and chlorine when sodium loses an electron?

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

    What is required to initiate a chemical reaction when energy needs to be added?

    <p>Activation energy</p> Signup and view all the answers

    What does a genetic map represent in the context of chromosomes?

    <p>The locations of genes relative to each other</p> Signup and view all the answers

    Which statement is true regarding the speed of hormone action?

    <p>Peptide hormones act quickly but steroid hormones have lasting effects.</p> Signup and view all the answers

    What is the result of duplicating a section of the genome?

    <p>The enlargement of the genome</p> Signup and view all the answers

    Which organelle is primarily responsible for packaging secretory vesicles?

    <p>Golgi Apparatus</p> Signup and view all the answers

    Which of the following is NOT considered a characteristic of living things?

    <p>Ability to move</p> Signup and view all the answers

    What general term describes DNA and RNA?

    <p>Nucleic Acids</p> Signup and view all the answers

    Which of the following is NOT a major plasma hormone?

    <p>Thyroid Hormones</p> Signup and view all the answers

    What is the main site of ATP synthesis via oxidative phosphorylation?

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

    In biological hierarchy, what do multiple tissues working together form?

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

    Which organelle is NOT associated with protein synthesis?

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

    What is the configuration of chromosomes during the formation of tetrads in meiosis?

    <p>Chromosomes are replicated and paired with their homologs</p> Signup and view all the answers

    If two heterozygous alleles are crossed, what is the expected phenotypic ratio?

    <p>3:1</p> Signup and view all the answers

    What genetic term describes an organism with two identical alleles for a specific trait?

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

    In a dihybrid cross, what is the resulting phenotypic ratio for the offspring?

    <p>9:3:3:1</p> Signup and view all the answers

    During interphase, which organelle is responsible for producing ribosomes?

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

    Which of the following accurately describes the role of enzymes in biological reactions?

    <p>Enzymes act as catalysts, reducing activation energy.</p> Signup and view all the answers

    What type of reaction would result in the generation of ATP as a product?

    <p>An exergonic reaction that releases energy.</p> Signup and view all the answers

    What characteristic of the 'heads' of phospholipids makes them interact favorably with water?

    <p>They are hydrophilic.</p> Signup and view all the answers

    Which of the following statements about steroids like testosterone and estrogen is true?

    <p>They can be found in reproductive organs like the ovaries and testes.</p> Signup and view all the answers

    What sort of cellular activities can ATP be utilized for?

    <p>For any process that requires energy.</p> Signup and view all the answers

    What process do bacteria use to divide and produce two daughter cells?

    <p>Binary fission</p> Signup and view all the answers

    During which phase of the cell cycle does DNA replication occur?

    <p>S phase</p> Signup and view all the answers

    Which of the following best describes a hypotonic solution?

    <p>Higher solute concentration outside the cell</p> Signup and view all the answers

    What is the correct sequence of stages in mitosis?

    <p>Prophase, Metaphase, Anaphase, Telophase</p> Signup and view all the answers

    What characterizes the G1 phase of interphase?

    <p>Protein synthesis and growth</p> Signup and view all the answers

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