Biology

Question 1 of 7

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In order to form a polymer from monomers, monomers must:

Select one of the following:

  • undergo trypsin reactions

  • undergo dehydration reactions

  • undergo amylase reactions

Question 2 of 7

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Which of the following cellular functions is associated with the smooth endoplasmic reticulum (SER)?

Select one of the following:

  • houses the DNA

  • produces hydrogen peroxide as byproduct

  • contains hydrolytic (digestive) enzymes

  • stores Ca 2+

  • energy powerhouse of cell (makes ATP)

Question 3 of 7

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Which of the following statements is false regarding protein structure?

Select one of the following:

  • one type of secondary structure found in proteins is called an alpha helix

  • beta sheets are an example of tertiary structure

  • tertiary structure may be supported with hydrogen bonding, ionic bonding , hydrophobic interactions and covalent bonding amino acids in the polypeptide

Question 4 of 7

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Which of the following membrane proteins are involved in active transport across the plasma membrane?

Select one of the following:

  • a chloride channel

  • sodium/potassium ATPase (Na+/K+pump)

  • glucose transporter

Question 5 of 7

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What will happen to a red blood cell that is placed into a hypertonic solution?

Select one of the following:

  • nothing, it will remain unchanged, the water will flow in an dout of the cell at the same rate

  • it will lyse (burst) because too much water will enter the cell from the surrounding fluid

  • it will shrivel because too much water will leave the cell into the surrounding fluid

Question 6 of 7

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The molecule DNA is important to biological systems because

Select one of the following:

  • it can be replicated

  • it forms a complex, double-helical structure.

  • nucleotides form genes.

Question 7 of 7

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The molecule DNA is important to biological systems because

Select one of the following:

  • it can be replicated

  • it forms a complex, double-helical structure.

  • nucleotides form genes.

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amybeller
Quiz by , created about 3 years ago

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amybeller
Created by amybeller about 3 years ago
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