What is a proteoglycan?
What will be an ideal response?
Ans: a protein with even more carbohydrate molecules attached to it and the carbohydrate chains are often longer
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The amino acid most commonly modified by phosphorylation is:
A. cysteine. B. tyrosine. C. tryptophan. D. alanine. E. leucine.
The typical osmolarity of body fluids in most marine invertebrates is
a. ~5 mOsm/L. b. ~225 mOsm/L. c. ~300 mOsm/L. d. ~1000 mOsm/L. e. ~1500 mOsm/L.
Which group of mammals exhibits the widest
distribution and greatest diversity? a. marsupials b. monotremes c. placentals d. marsupials and monotremes e. placentals and monotremes
The concentration of nutrients in plants is approximately the same as the concentration of nutrients in the surrounding soil
Indicate whether the statement is true or false