Which of the following functions is NOT a function of the human skeletal system?
A. provides the ATP for muscles to use in contraction
B. acts as a structure against which muscles can contract
C. protects internal organs
D. acts as the site of blood cell production in adults
E. acts as a storage site for calcium and phosphorus ions
Answer: A
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What are the numbered structures shown in this diagram?
a. glycocalyx
b. phospholipids
c. integrins
d. cholesterol
Which mutations can interfere with the proper insertion of a protein in the plasma membrane?
A. A nonpolar amino acid to a polar amino acid within a cytoplasmic domain B. A polar amino acid to a nonpolar amino acid within a transmembrane domain C. A polar amino acid to a nonpolar amino acid within a cytoplasmic domain D. A nonpolar amino acid to a polar amino acid within a transmembrane domain
Suppose that both of your parents have Huntington's disease, which is caused by a dominant allele, and are both heterozygous for the disease. What are the odds of you having the disorder?
a. 100% b. 75% c. 50% d. 25%
Explain why an aggregate fruit, such as a blackberry, would have a greater reproductive potential than a drupe (peach).
What will be an ideal response?