Mutations that eliminate a contiguous region in the Drosophila embryo's segmentation pattern are called ________

A) segment genes
B) linkage genes
C) compartment genes
D) homeodomains
E) gap genes


Answer: E

Biology & Microbiology

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Gel electrophoresis is the preferred method for detecting single nucleotide polymorphisms

A. true B. false

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Proteins that are encoded by the same gene but differ in structure and function are the product of alternative splicing in pre-mRNA processing. Such protein variants are termed

A) isoteins. B) heteromeric proteins. C) isozymes. D) protein isoforms. E) allelomorphs.

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Steroids are considered to be lipids because they _____.

A) are essential components of cell membranes B) are not soluble in water C) are made of fatty acids D) are hydrophilic compounds E) contribute to atherosclerosis

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What trait distinguishes semiperishable foods such as potatoes and nuts from perishable foods such as meats?

a. carbohydrate/sugar content b. natural microbial flora content c. salt content d. water activity/moisture content

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