Which of the following are inborn errors of metabolism?

a. PKU and alkaptonuria
b. sickle cell anemia and hemophilia
c. cystic fibrosis and Tay-Sachs disease
d. Huntington's disease and fragile X syndrome
e. cri-du-chat syndrome and Down syndrome


a

Biology & Microbiology

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Reactivation of chickenpox is called

A. shingles. B. herpes zoster. C. pneumonia. D. exanthems. E. shingles AND herpes zoster.

Biology & Microbiology

The extracellular matrix is composed mostly of

1.glycoproteins. 2.DNA. 3.RNA. 4.ribosomes. 5.lipids.

Biology & Microbiology

Which amino acid always begins a polypeptide (protein) during translation?

A) valine B) phenylalanine C) methionine D) arginine

Biology & Microbiology

Which of the following genetic notations refers to a dikaryotic fungal stage?

A. n + n B. 2n + 2n C. n D. 2n + n E. 2n

Biology & Microbiology