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
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Gel electrophoresis is the preferred method for detecting single nucleotide polymorphisms
A. true B. false
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.
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
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