Phenylketonuria is an inherited disorder. Affected individuals have a defective enzyme called phenylalanine hydroxylase. The substance that these individuals cannot break down is a(n):

A) carbohydrate.
B) nucleic acid.
C) protein.
D) lipid.
E) amino acid.


E) amino acid.

Biology & Microbiology

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Explain why individuals with type O blood can donate to any other blood type, and why individuals with type AB blood can accept blood of any blood type

What will be an ideal response?

Biology & Microbiology

The Shannon diversity index for the low marsh is __.The Shannon diversity index for the high marsh is __.

image

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

In sweet peas, genes C and P are necessary for

colored flowers. In the absence of either (__ pp or cc __) or both (cc pp), the flowers are white. Give the probable genotype of a plant with colored flowers and a plant with white flowers that produced 38 plants with colored flowers and 42 plants with white flowers. What will be an ideal response?

Biology & Microbiology

A solution with a pH of 7.4 ____

a. is considered an acid b. has more H+ than OHc. has equal numbers of H+ and OHd. has a pH similar to ammonia e. is similar in acidity to normal body fluids

Biology & Microbiology