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QUIZ 2, BIOCHEM

Quiz by Noime S. Diwa

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43 questions
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  • Q1

    According to Rudolf Virchow, how are all cells generated?

    By the nucleus

    By the atmosphere

    By other cells

    By the sun

    60s
  • Q2

    What material did Schwann claim animal cells "crystallized" from?

    Material between other cells

    Nucleus

    Cell wall

    Environment

    60s
  • Q3

    What did Schleiden believe plant cells "seeded" from?

    Cell wall

    Environment

    Material between other cells

    Nucleus

    60s
  • Q4

    What discovery did Rudolf Virchow make about cell generation?

    Cells are "seeded" by the nucleus.

    Plants are completely made up of cells.

    All cells are generated by existing cells.

    Animal cells "crystallize" from the material between other cells.

    60s
  • Q5

    What misconception did Schwann and Schleiden have about cell growth?

    Cells grow independently of any external factors.

    Cells are "seeded" by the nucleus.

    Cells are generated by existing cells.

    Cells were formed from crystalized remnants of old cell nuclei.

    60s
  • Q6

    What distinguished plant cells from animal cells?

    Presence of a cell wall

    Presence of mitochondria

    Presence of chloroplasts

    Presence of a nucleus     

    60s
  • Q7

    Which scientist studied cells of animals?

    Mattias Schleiden

    Rudolf Virchow

    Robert Hooke

    Theodore Schwann        

    60s
  • Q8

    Which scientist studied cells of plants?

    Mattias Schleiden

    Rudolf Virchow

    Anton van Leeuwenhoek

    Theodore Schwann

    60s
  • Q9

    Which of the following best describes diffusion?

    Active transport of molecules against the concentration gradient

    Movement of water across a semi-permeable membrane

    Movement of particles from an area of high concentration to low concentration

    Movement of particles from an area of low concentration to high concentration

    60s
  • Q10

    Osmosis is the movement of:

    None of these

    Solvent molecules across a semi-permeable membrane

    Solute molecules across a semi-permeable membrane

    Both solvent and solute molecules across a semi-permeable membrane

    60s
  • Q11

    In a hypertonic solution, a red blood cell will:

    Remain unchanged        

    Shrink

    Swell    

    Burst

    60s
  • Q12

    Facilitated diffusion is a process that:

    Involves the movement of molecules with the help of transport proteins.

    Requires energy input.

    Moves molecules against their concentration gradient

    60s
  • Q13

    Which solution has a higher solute concentration compared to another solution?

    Hypertonic        

    Hypotonic         

    Isotonic

    60s
  • Q14

    Which of the following best describes the movement of gases in the respiratory system?

    Osmosis

    Active transport

    Simple diffusion

    Facilitated diffusion

    60s
  • Q15

    Active transport differs from passive transport in that active transport:

    Requires energy

    Moves molecules from low to high concentration

    Moves molecules down their concentration gradient

    Does not involve carrier proteins

    60s

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