Biology and Chemistry Quiz
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Questions and Answers

Where does the filtrate go from the distal convoluted tubule?

  • Bowman's capsule
  • Loop of Henle
  • Proximal convoluted tubule
  • Collecting duct (correct)
  • What is the function of RNA Primase?

  • RNA Primase (correct)
  • Lagging Strand
  • DNA Polymerase
  • Single Stranded Binding Proteins
  • RNA Primer
  • Which statement about telomeres is true?

  • They prevent the loss of genes from the ends of chromosomes during replication.
  • They are associated with aging.
  • They are repeating DNA sequences at the ends of chromosomes.
  • All of the above (correct)
  • Which of the following is most dependent on the energy from solar radiation?

    <p>The excitation of chlorophyll</p> Signup and view all the answers

    Which functional group has 4 oxygens?

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

    What occurs during a redox reaction?

    <p>Electrons are transferred.</p> Signup and view all the answers

    What occurs during pyruvate oxidation?

    <p>all of the above</p> Signup and view all the answers

    Where is insulin produced?

    <p>in the beta cells in the islets of Langerhans</p> Signup and view all the answers

    Which factor will increase the fluidity of the lipid bilayer?

    <p>increasing the number of double bonds in fatty acids</p> Signup and view all the answers

    What is true for anaerobic cellular respiration?

    <p>All of the above</p> Signup and view all the answers

    What does water dissolve?

    <p>Polar and ionic compounds</p> Signup and view all the answers

    Which gland is considered the 'master gland'?

    <p>pituitary gland</p> Signup and view all the answers

    'In eukaryotes, introns are removed before mRNA leaves the nucleus because:'

    <p>they do not code for proteins</p> Signup and view all the answers

    What occurs when light energy absorbed by P700 (PS1) energizes an electron?

    <p>It transfers to ferredoxin, which then forms NADPH.</p> Signup and view all the answers

    How is DNA different from RNA?

    <p>DNA consists of a deoxyribose sugar while RNA consists of a ribose sugar.</p> Signup and view all the answers

    Study Notes

    Cellular Processes

    • Filtrate from the distal convoluted tubule goes to the collecting duct.
    • Anaerobic cellular respiration occurs without oxygen.

    Molecular Biology

    • RNA Primase is an enzyme that synthesizes short RNA primers.
    • Telomeres are repetitive DNA sequences at the end of chromosomes that shorten with each cell division.
    • DNA differs from RNA in that DNA is double-stranded, has thymine, and is stable, whereas RNA is single-stranded, has uracil, and is less stable.

    Energy and Respiration

    • Energy from solar radiation is most dependent on photosynthesis.
    • During pyruvate oxidation, pyruvate is converted into acetyl-CoA.
    • Redox reactions involve the transfer of electrons, resulting in oxidation and reduction of reactants.

    Cell Structure

    • Insulin is produced in the pancreas, specifically in beta cells of the islets of Langerhans.
    • The lipid bilayer's fluidity increases with higher temperatures, higher cholesterol, and shorter or unsaturated fatty acid tails.

    General Knowledge

    • Water is a universal solvent, dissolving a wide range of substances.
    • The pituitary gland is considered the 'master gland' due to its role in regulating other endocrine glands.

    Eukaryotic Gene Expression

    • In eukaryotes, introns are removed before mRNA leaves the nucleus because they contain non-coding regions.

    Photosynthesis

    • When light energy absorbed by P700 (PS1) energizes an electron, it is used to generate ATP and NADPH.

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    Description

    Test your knowledge of biology and chemistry with this quiz covering topics such as renal physiology, telomeres, photosynthesis, functional groups, and redox reactions.

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