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TLS Online TPP Program

#Question id: 11962

 In the digestive system, peristalsis is ________.

#Unit 7. System Physiology – Animal
  1. a process of fat emulsification in the small intestine
  2. voluntary control of the rectal sphincters regulating defecation
  3. the transport of nutrients to the liver through the hepatic portal vessel
  4. smooth muscle contractions that move food along the oesophagus
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TLS Online TPP Program

#Question id: 399

#Unit 1. Molecules and their Interaction Relevant to Biology

Calculate the pH of a 1 L solution containing 0.100 M formic acid and 0.100 M sodium formate before and after the addition of 1.00 mL of 5.00 M NaOH. How much would the pH change if the NaOH were added to 1.00 L of pure water? (pKa for formic acid is 3.75)
TLS Online TPP Program

#Question id: 16495

#Unit 12. Applied Biology

An example of very useful scorable marker isolated from the jellyfish (Aequorea victoria)
TLS Online TPP Program

#Question id: 11986

#Unit 10. Ecological Principles

Which of the following statements is (are) true of fixed action patterns? 
TLS Online TPP Program

#Question id: 15849

#Unit 4. Cell Communication and Cell Signaling

Host-pathogen interactions are an ongoing arms race; pathogens evolve to express unique structures that avoid host detection, and the host germline-encoded recognition system co-evolves to match these new challenges. However, because pathogens generally have much shorter life cycles than their vertebrate hosts, and some utilize error-prone DNA polymerases to replicate their genomes, pathogens can evolve rapidly to evade host encoded recognition systems. Which error prone DNA polymerase is used  by human?
TLS Online TPP Program

#Question id: 11579

#Unit 7. System Physiology – Animal

In response to stress, the adrenal gland promotes the synthesis of glucose from noncarbohydrate substrates via the action of the steroid hormone ________.