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TLS Online TPP Program

#Question id: 31305

What is the membrane potential (threshold level) at which the S-A node discharges?

#Unit 7. System Physiology – Animal
  1. −40 mV
  2. −55 mV
  3. −65 mV
  4. −85 mV
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TLS Online TPP Program

#Question id: 31041

#Unit 4. Cell Communication and Cell Signaling

Which of the following statement is incorrect regarding HER2?
TLS Online TPP Program

#Question id: 4403

#Unit 3. Fundamental Processes

 Which of the following does (do) not require a DNA helicase activity?

a. SWI/SNF function  b. Pol II open-complex formation

c. transcription-factor binding to DNA

d. deacetylation of histone tails
TLS Online TPP Program

#Question id: 33459

#Unit 1. Molecules and their Interaction Relevant to Biology

2-oxy-4-oxy 5-methyl pyrimidine is
TLS Online TPP Program

#Question id: 26872

#Unit 10. Ecological Principles

What are the correct sequence steps of succession?
TLS Online TPP Program

#Question id: 794

#Unit 1. Molecules and their Interaction Relevant to Biology

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which structural feature is found in the single-stranded DNA molecule?