Which of the following diseases is caused by a peroxisomal defect?

A) Zellweger syndrome
B) sickle-cell anemia
C) Tay-Sachs disease
D) hypertrophic cardiomyopathy
E) I-cell disease


A) Zellweger syndrome

Biology & Microbiology

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The melon of dolphins and other toothed whales is used for:

a. storage of food. b. protecting the brain. c. focusing sound pulses. d. receiving sound pulses. e. producing sounds.

Biology & Microbiology

Where does the majority of fisheries data come from?

a. Cataloging b. Random samplings c. Taggings d. Landings

Biology & Microbiology

Analysis of a water sample by a series of presumptive, confirmatory, and completed tests that provide an estimate of coliform numbers in the water is called the ________.

A. standard plate count B. most probable number (MPN) C. membrane filter method D. coliform count

Biology & Microbiology

What is the key to the recognition of codominance?

A) The phenotype of the heterozygote is intermediate between the phenotypes of the homozygotes. B) The trait exhibits a continuous distribution. C) The alleles affect more than one trait. D) The heterozygote expresses the phenotype of both homozygotes.

Biology & Microbiology