Genes, DNA, and Variability in Living Organisms
19 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What solved the problem of genetic blending?

  • DNA (correct)
  • Ribosomes
  • Eukaryotes
  • Plasma membrane
  • Which organelle has its own distinct DNA?

  • Mitochondria (correct)
  • Nucleus
  • Ribosomes
  • Cytoplasm
  • What is the primary function of ribosomes?

  • Protein synthesis (correct)
  • Energy production
  • Storage of genetic information
  • Self-duplication
  • Which type of life form is characterized by having an organized nucleus around their DNA?

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

    What is the primary function of DNA in a cell?

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

    Which nucleotides always pair together in DNA?

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

    What characteristic distinguishes prokaryotes from eukaryotes?

    <p>Having a nucleus around DNA</p> Signup and view all the answers

    What is the distinguishing feature of eukaryotes compared to prokaryotes?

    <p>Having an organized nucleus around DNA</p> Signup and view all the answers

    What is the primary function of mitochondria in a cell?

    <p>Provides energy (ATP) to the cell</p> Signup and view all the answers

    What process involves making an RNA copy from a gene?

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

    Which enzyme is responsible for synthesizing a new copy of DNA during replication?

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

    What is the main role of protein synthesis in cells?

    <p>Producing proteins</p> Signup and view all the answers

    Which component is responsible for binding oxygen to red blood cells?

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

    What is the purpose of introns in DNA?

    <p>Contain genetic remnants</p> Signup and view all the answers

    Which type of RNA contains the information for making proteins?

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

    What is the function of helicase during DNA replication?

    <p>Breaks hydrogen bonds</p> Signup and view all the answers

    How many amino acids are synthesized by the body out of the 20 essential amino acids?

    <p>9</p> Signup and view all the answers

    'Junk DNA' refers to:

    <p>'Noncoding' DNA sections with unclear functions</p> Signup and view all the answers

    'Essential Amino Acids' are essential because:

    <p>'Essential Amino Acids' cannot be synthesized by the body</p> Signup and view all the answers

    More Like This

    Genes, DNA, and Variability
    20 questions
    Genes and DNA
    5 questions

    Genes and DNA

    ComprehensiveFluorine avatar
    ComprehensiveFluorine
    Use Quizgecko on...
    Browser
    Browser