During digestion, large molecules are broken down into their constituent monomers (subunits) - VCE - SSCE Biology - Question 6 - 2007 - Paper 1
Question 6
During digestion, large molecules are broken down into their constituent monomers (subunits).
a. Complete the table below.
Large molecules | Monomers (su... show full transcript
Worked Solution & Example Answer:During digestion, large molecules are broken down into their constituent monomers (subunits) - VCE - SSCE Biology - Question 6 - 2007 - Paper 1
Step 1
a. Complete the table below.
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Answer
Monomers for Lipid: Fatty acids and glycerol or no monomer.
Monomers for Polysaccharide: Monosaccharide.
Monomers for DNA: Nucleotides.
Step 2
b. Explain how a monosaccharide enters an epithelial cell.
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Answer
A monosaccharide enters an epithelial cell by facilitated diffusion or active transport. This occurs through protein channels or protein carrier molecules.
Step 3
c. For what purpose would a cell use a lipid monomer?
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A lipid monomer can be used for energy storage, as part of cell membranes, or in signaling processes.
Step 4
d. Write the complementary DNA base sequence.
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Answer
The complementary DNA base sequence is: TAC TTG TCG CCG.
Step 5
e. What does G in AGC stand for?
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