Trypsin and elastase are both enzymes that catalyze hydrolysis of peptide bonds. But trypsin only cuts next to lysine and elastase only cuts next to alanine. Why?
What will be an ideal response?
The shape of the active site for the two enzymes is different.
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Which of the following is an important model organism for the study of development?
A. Escherichia coli B. hepatitis C C. Drosophila melanogaster D. miRNA
What is segregation?
A) Fertilization is random. B) During gamete formation, allele pairs are separated to form haploid gametes. C) Genes lie on chromosomes. D) Chromosomes can swap information during meiosis. E) During gamete formation, segregating pairs of unit factors assort independently of each other.
Compared with prokaryotic chromosomes, eukaryotic chromosomes are ________
A) small, mainly organized in single-gene transcription units with introns B) large, mainly organized in single-gene transcription units without introns C) large, linear, less densely packed with protein-coding genes, mainly organized in single-gene units with introns D) large, mainly organized in polygenic transcription units without introns E) small, mainly organized in polygenic transcription units without introns
Over many trials, the 99% confidence interval will not include the true population parameter what percent of the time?
A. 0 percent B. 0.5 percent C. 99 percent D. 1 percent