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TLS Online TPP Program

#Question id: 24673

Which of the following properties is (are) typical of uniport proteins?

#Unit 2. Cellular Organization
  1. the ability to “flip” within the membrane, releasing the transported molecule at the opposite surface
  2. a permanent open pore through the membrane  
  3. multiple transmembrane α-helical segments
  4. an ATPase activity for the direct coupling of ATP hydrolysis to transport
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TLS Online TPP Program

#Question id: 4669

#Unit 3. Fundamental Processes

Instead of a TATA box, some eukaryotic genes contain an alternative promoter element called an initiator. Most naturally occurring initiator elements have
TLS Online TPP Program

#Question id: 16963

#Unit 11. Evolution and Behavior

Which statements is not true for Micro-evolution
TLS Online TPP Program

#Question id: 18738

#Unit 13. Methods in Biology

what do we mean by housekeeping genes?
TLS Online TPP Program

#Question id: 1732

#Unit 4. Cell Communication and Cell Signaling

Protein tyrosine kinase activity following T-cell stimulation:
TLS Online TPP Program

#Question id: 32524

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following sequential reactions correctly represent(s) 
a. NADH dehydrogenase → Ubiquinone → Cytochrome bc1 → Cytochrome c → Cytochrome c oxidase
b. NADH dehydrogenase → Succinate dehydrogenase → Ubiquinone → Cytochrome c → Cytochrome bc1 → Cytochrome c oxidase
c. NADH dehydrogenase → Ubiquinone → Alternative oxidase
d. NADH dehydrogenase → Alternative oxidase → Ubiquinone