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COPY: Quiz 1

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Questions and Answers

Living cells differ from non-living cells because they are

  • self-replicatory. (correct)
  • . respond to stimuli.
  • have reduced entropy.
  • The organelle shown in the figure is the ___________ and one of its main functions is to ___________.

  • Golgi apparatus; package and modify proteins, such as glycosylation, for secretion (correct)
  • . endoplasmic reticulum; synthesize proteins for secretion.
  • Golgi apparatus; synthesize proteins for secretion.
  • endoplasmic reticulum; modify proteins for secretion.
  • The defining property that differentiates prokaryotic cells from eukaryotic cells is their

  • lack of a nucleus. (correct)
  • presence of a flagellum.
  • small size.
  • cell division.
  • Which cell type has a long, branched structure that requires many connections to be made with neighboring cells?

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

    The main function of the nucleus is to

    <p>house the DNA and ribosome synthesis machinery.</p> Signup and view all the answers

    The cellular process by which vesicles are secreted from cells is called:

    <p>exocytosis.</p> Signup and view all the answers

    Which cell component is indicated in the figure below by the line labeled as number "3" (green) ?

    <p>nuclear envelope</p> Signup and view all the answers

    The inner membrane of the mitochondrion when examined with transmission electron microscopy appears ___________.

    <p>folded with a large surface area to allow energy production (ATP synthesis) to take place.</p> Signup and view all the answers

    Archaea and bacteria are both prokaryotes. They however distinguish themselves by:

    <p>the composition of the membrane</p> Signup and view all the answers

    All living cells

    <p>share the same basic chemistry.</p> Signup and view all the answers

    Study Notes

    Cellular Characteristics

    • Living cells differ from non-living cells in their unique properties and functions.

    Organelle Function

    • The organelle shown in the figure is the mitochondrion, which is responsible for generating energy for the cell through cellular respiration.

    Cell Types

    • The defining property that differentiates prokaryotic cells from eukaryotic cells is the presence or absence of a true nucleus.

    Cellular Structure

    • Dendritic cells have a long, branched structure that requires many connections to be made with neighboring cells.

    Nucleus Function

    • The main function of the nucleus is to store and regulate the expression of genetic information.

    Cellular Process

    • The cellular process by which vesicles are secreted from cells is called exocytosis.

    Cellular Component

    • The cell component indicated in the figure by the line labeled as number "3" (green) is the rough endoplasmic reticulum.

    Mitochondrial Structure

    • The inner membrane of the mitochondrion when examined with transmission electron microscopy appears highly folded and cristae-like.

    Prokaryotes

    • Archaea and bacteria are both prokaryotes, but they distinguish themselves by their unique cellular features and metabolic processes.

    Common Characteristics of Living Cells

    • All living cells share common characteristics, such as the ability to grow, reproduce, respond to stimuli, and maintain homeostasis.

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