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TLS Online TPP Program

#Question id: 2014

Some pathogens can undergo rapid changes resulting in antigenic variation. Which of the following is such a pathogen?

#Section 2: General Biology

  1. the influenza virus, which expresses alternative envelope proteins

  2. the strep bacteria, which can be communicated from patient to patient with high efficiency

  3. human papilloma virus, that can remain latent for several years

  4. the causative agent of an autoimmune disease such as rheumatoid arthritis

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TLS Online TPP Program

#Question id: 3022

#Section 2: General Biology

Late log phase of the bacterial growth curve
TLS Online TPP Program

#Question id: 3919

#Section 3: Genetics, Cellular and Molecular Biology

Most of the RNA polymerase activity in eukaryotic cells occurs in the
TLS Online TPP Program

#Question id: 4752

#Section 3: Genetics, Cellular and Molecular Biology

Red-green color blindness is caused by a sex-linked recessive allele. A color-blind man marries a woman with normal vision whose father was color-blind. What is the probability that they will have a color-blind daughter? What is the probability that their first son will be color-blind respectively?
TLS Online TPP Program

#Question id: 14576

#Section 2: General Biology

Trace elements
TLS Online TPP Program

#Question id: 1129

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following plays a role in the relaxation of smooth muscle cells by nitric oxide?

a. cGMP          b. protein kinase A      c. protein kinase G      d. guanylyl cyclise