Biology Chapter: Cellular Processes and Plant Biology
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Questions and Answers

What is a characteristic of a dependent variable?

  • It is measured by the researchers. (correct)
  • It is the same as the independent variable.
  • It is manipulated by the researchers.
  • Remains unchanged during the experiment.

    • Which statement about ionic bonds is correct?

  • They are formed between oppositely charged ions. (correct)
  • They involve the sharing of electrons.
  • They form between atoms with the same charge.
  • They are weaker than covalent bonds.

    • What happens to a carbon isotope with a mass of 18 amu if it loses 1 neutron?

  • It gains an additional proton.
  • It becomes a different carbon isotope with no charge. (correct)
  • It transforms into a completely different element.
  • It remains a carbon isotope with the same mass.

    • Which statement is true about proteins?

    <p>They include subunits called amino acids.</p> Signup and view all the answers

    Which of the following is NOT a function of nucleic acids?

    <p>They store energy for cellular functions.</p> Signup and view all the answers

    What are the products of cellular respiration?

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

    Where does glycolysis occur in the cell?

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

    Which molecule is produced during the Krebs cycle?

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

    What is required for aerobic cellular respiration?

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

    What type of reaction involves the breakdown of glucose into pyruvic acid?

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

    When do plants produce more oxygen than carbon dioxide?

    <p>During the day</p> Signup and view all the answers

    In which part of the cell does oxidative phosphorylation occur?

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

    Which pigment is responsible for the green color of chloroplasts?

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

    Which organ is NOT considered a major plant organ?

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

    What type of tissue does moss lack?

    <p>Vascular tissue</p> Signup and view all the answers

    Where is pollen primarily found in a flower?

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

    What process leads to the formation of egg and sperm cells in plants?

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

    Which of the following plants produces seeds?

    <p>Flowering dogwood tree</p> Signup and view all the answers

    Which structure is found in plant cells but not in animal cells?

    <p>Cell Wall</p> Signup and view all the answers

    What is the primary function of mitochondria within a cell?

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

    Which type of transport requires energy to move substances across the cell membrane?

    <p>Active Transport</p> Signup and view all the answers

    What occurs during endocytosis?

    <p>Cell membrane engulfs material</p> Signup and view all the answers

    What is the role of enzymes in biochemical reactions?

    <p>They catalyze reactions by binding to substrates</p> Signup and view all the answers

    Which solution causes cells to swell due to water entering them?

    <p>Hypotonic Solution</p> Signup and view all the answers

    What is created when ADP gains a phosphate group?

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

    What is the function of a plasma membrane in cells?

    <p>Act as a boundary for the cell</p> Signup and view all the answers

    What is the chromosome number in somatic cells during the G1 phase?

    <p>42</p> Signup and view all the answers

    What is one key difference between mitosis and meiosis?

    <p>Mitosis produces genetically identical cells, while meiosis results in genetically different cells.</p> Signup and view all the answers

    What defines heterozygous alleles in an organism?

    <p>Two different alleles</p> Signup and view all the answers

    During translation, which molecules are involved in forming peptide bonds?

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

    How many mRNA bases are required to specify a sequence of 900 amino acids?

    <p>2700</p> Signup and view all the answers

    What is microevolution primarily concerned with?

    <p>Genetic changes within a population</p> Signup and view all the answers

    Which mechanism is NOT associated with microevolution?

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

    Which type of speciation occurs when populations are geographically separated?

    <p>Allopatric Speciation</p> Signup and view all the answers

    What is an example of an evolutionary adaptation?

    <p>Lizards with longer tongues increasing in frequency</p> Signup and view all the answers

    Which of the following best describes gene flow?

    <p>Movement of alleles between populations</p> Signup and view all the answers

    What characteristic do both Archaea and Bacteria have in common?

    <p>Both consist of prokaryotic cells</p> Signup and view all the answers

    Which feature distinguishes viruses from living cells?

    <p>Viruses lack ATP and metabolic functions</p> Signup and view all the answers

    What type of organism does Chemoautotroph refer to?

    <p>An organism that gets energy from chemicals and carbon from the atmosphere</p> Signup and view all the answers

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