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TLS Online TPP Program

#Question id: 4131

Aminoacyl-tRNA synthetases (amino acid activating enzymes):

#Section 3: Genetics, Cellular and Molecular Biology

  1. “recognize” specific tRNA molecules and specific amino acids.

  2. in conjunction with another enzyme attach the amino acid to the tRNA.

  3. interact directly with free ribosomes.

  4. occur in multiple forms for each amino acid.

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TLS Online TPP Program

#Question id: 3888

#Section 3: Genetics, Cellular and Molecular Biology

Which of these polymerases does not require a template?
TLS Online TPP Program

#Question id: 27352

#Section 3: Genetics, Cellular and Molecular Biology

Scientists have adapted CRISPR to turn it into a biotechnology tool for _ DNA.
TLS Online TPP Program

#Question id: 19021

#Section 4: Fundamentals of Biological Engineering

2SO2+O2 → 2SO3. What is the stoichiometric ratio of SO2 to SO3?
TLS Online TPP Program

#Question id: 3268

#Section 3: Genetics, Cellular and Molecular Biology

A population of insects is in Hardy-Weinberg equilibrium for a gene with alleles A = orange and a = yellow eyes. There are 91% orange and 9% yellow individuals in the population. If the fitness of the yellow phenotype suddenly drops to zero, what will be the allele frequency in the next generation?
TLS Online TPP Program

#Question id: 1123

#Section 3: Genetics, Cellular and Molecular Biology

Epinephrine can be what kind of signaling molecule?

a. autocrine      b. direct contact  c. endocrine d. paracrine