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TLS Online TPP Program

#Question id: 2342

Which of the following is a requirement for osmosis to occur?

#Unit 2. Cellular Organization

  1. a semipermeable membrane

  2. a concentration gradient

  3. sugar or salt molecules dissolved in water

  4. an energy source

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TLS Online TPP Program

#Question id: 2437

#Unit 2. Cellular Organization

Membrane extension involves

a. bending actin filaments.                   

b. myosin II.

c. the Arp2/3 nucleation of new filaments.

d. actin depolymerization.     

e. actin polymerization.
TLS Online TPP Program

#Question id: 4410

#Unit 3. Fundamental Processes

A key component of the eukaryotic transcription machinery called TFIID includes a
TLS Online TPP Program

#Question id: 1968

#Unit 4. Cell Communication and Cell Signaling

Septic shock, a systemic response including high fever and low blood pressure, can be life threatening. What causes septic shock?
TLS Online TPP Program

#Question id: 27504

#Unit 2. Cellular Organization

Which kind of catalysis are used by the topoisomerases
TLS Online TPP Program

#Question id: 13149

#Unit 8. Inheritance Biology

A three point test cross was made between the  st^+-e^+-ss^+  and  st-e-ss , the genotype of the double cross over  will be;  st^+-e-ss^+  and st-e^+-ss. Based on this, determine the order of the genes.