What type of mutation occurred in the following? Normal allele GGAAUGAAACAGGAACCC Mutant allele GGAAUGAAAUCAGGAACCC
A. insertion
B. substitution
C. deletion
D. frameshift
A. insertion
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Which best explains the process of meiosis?
A. The cells that result from meiosis I are haploid, and each chromosome consists of 1 chromatid. B. The cells that result from meiosis I are haploid, and each chromosome consists of 2 chromatids. C. The cells that result from meiosis II are haploid, and each chromosome consists of 2 chromatids. D. The cells that result from meiosis I are diploid, and each chromosome consists of 2 chromatids. E. The cells that result from meiosis I are diploid, and each chromosome consists of 1 chromatid.
A study of the human gut performed in 1982 used various types of plates under different growth conditions to describe and enumerate the microbes in the human gut. They concluded that the majority of the microbes in the human gut are Gammaproteobacteria
A study conducted in 2010 using next-generation sequencing to characterize 16S rRNA sequences concluded that the majority of the microbes in the human gut are Firmicutes and Bacteriodetes. Why did these studies have different conclusions? Which study do you think is most accurate? What will be an ideal response?
New World monkeys evolved approximately 30 million years ago. These animals are easy to identify because they
A. have opposable thumbs and binocular vision. B. have prehensile tails and hair. C. have protruding noses and prehensile tails. D. have flattened noses and prehensile tails. E. have opposable thumbs and protruding noses.
What is the cloaca?
A. The body opening that serves solely as the exit for wastes from a complete digestive tract B. The second region of the intestine C. A muscular digestive organ that chemically and mechanically breaks down food D. The body opening that serves as the exit for digestive and urinary waste; also functions in reproduction E. The terminal portion of the large intestine