Cell Molecule Synthesis and Eukaryotes Overview
29 Questions
0 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 is the main function of the nucleus in a eukaryotic cell?

  • Controlling cell activities and storing genetic material (correct)
  • Synthesizing lipids
  • Modifying proteins
  • Generating energy through photosynthesis
  • Which cell organelle is responsible for assembling ribosomes?

  • Nucleoli (correct)
  • Nuclear envelope
  • Centrioles
  • Chromatin threads
  • What is the Greek meaning of the term 'Eukaryotes'?

  • No nuclei
  • True nuclei (correct)
  • Multiple nuclei
  • Good proteins
  • What is the function of centrioles in a cell?

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

    Which organelle in a eukaryotic cell is described as the largest and most prominent?

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

    What is the main function of the cell membrane?

    <p>Providing mechanical support to the cell and aiding in cellular communication</p> Signup and view all the answers

    Which substances are typically found at higher concentrations intracellularly?

    <p>Enzymes, glycogen, and K⁺ ions</p> Signup and view all the answers

    What is the process responsible for moving solutes from an area of higher concentration to an area of lower concentration within a solvent?

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

    Which transport mechanism moves substances from a lower to a higher concentration and requires ATP?

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

    What is the term for the intake of extracellular material through vesicles?

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

    Which process involves the movement of water through a semipermeable membrane based on the concentration gradient of water?

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

    What is the main function of cilia and flagella?

    <p>Act as fine, hair-like projections for cell movement</p> Signup and view all the answers

    Which organelle is responsible for detoxifying alcohol and other toxic compounds in the cell?

    <p>Endoplasmic reticulum</p> Signup and view all the answers

    In prokaryotic cells, which process is responsible for reproduction?

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

    What is the main function of the capsule in a bacterial cell?

    <p>Protect the cell when engulfed and aid in attachment</p> Signup and view all the answers

    Which characteristic sets prokaryotic cells apart from eukaryotic cells?

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

    What is the main purpose of cell division in the cell cycle?

    <p>To form daughter cells necessary for growth and tissue repair</p> Signup and view all the answers

    What is the main role of the cell membrane?

    <p>Regulate entry and exit of substances in the cell</p> Signup and view all the answers

    Which phase of the cell cycle involves DNA synthesis to replicate the genetic material?

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

    What type of cells undergo mitosis in the body of multicellular organisms?

    <p>Somatic cells</p> Signup and view all the answers

    At what point in the G1 phase does a cell become committed to division?

    <p>Restriction point</p> Signup and view all the answers

    What is the term used for the conceptus of fertilization composed of a single cell with a diploid nucleus?

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

    Which type of stem cells self-renew by mitosis?

    <p>(unspecified) adult stem cells</p> Signup and view all the answers

    What is the main function of the G2 phase in the cell cycle?

    <p>To assemble cytoplasmic materials for mitosis and cytokinesis</p> Signup and view all the answers

    During which phase of mitosis do the centromeres divide, and sister chromatids are pulled apart?

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

    What is the correct order of the stages of mitosis?

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

    What happens during prometaphase of mitosis?

    <p>Chromosomes migrate to the equatorial plane</p> Signup and view all the answers

    Which phase of the cell cycle involves a reversal of processes observed during prophase?

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

    What characterizes metaphase in mitosis?

    <p>Chromosomes align along the metaphase plate</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser