Chapter 3: Q. 34 (page 94)
What are the structural differences between RNA and DNA?
The RNA and DNA differ in their number of helical strands, nitrogenous base composition, sugar moiety, and molecular mass.
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Why have trans fats been banned from some restaurants? How are they created
Mad cow disease is an infectious disease where one
misfolded protein causes all other copies of the protein
to begin misfolding. This is an example of a disease
impacting ____ structure.
a. primary
b. secondary
c. tertiary
d. quaternary
Plant cell walls contain which of the following in
abundance?
a. starch
b. cellulose
c. glycogen
d. lactose
Amino acids have the generic structure seen below, where R represents different carbon-based side chains.
Describe how the structure of amino acids allows them to be linked into long peptide chains to form proteins.
Which of the following is not an extracellular matrix role
of carbohydrates?
a. protect an insect’s internal organs from external
trauma
b. prevent plant cells from lysing after the plant is
watered
c. maintain the shape of a fungal spore
d. provide energy for muscle movement
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