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TLS Online TPP Program

#Question id: 12792

Many  homeowners mow  their  lawns  during the  summer and  collect  the  clippings,  which  are  then  hauled to  the local landfill. Which of the following actions would most benefit the local ecosystem?

#Unit 10. Ecological Principles
  1. Allow sheep to graze the lawn and then collect the sheep's feces to be delivered to the landfill. 
  2. Collect the lawn clippings and burn them.
  3. Either  collect  the  clippings  and  add  them to  a  compost pile,  or  don't  collect  the  clippings  and  let  them decompose into the lawn.
  4. Collect the clippings and wash them into the nearest storm sewer that feeds into the local lake.
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TLS Online TPP Program

#Question id: 5111

#Unit 5. Developmental Biology

Once the germ layers are established, the cells interact with one another and rearrange themselves to produce tissues and organs. This process is called:
TLS Online TPP Program

#Question id: 188

#Unit 1. Molecules and their Interaction Relevant to Biology

Active holoenzymes are formed from ________ in the presence of ________.
TLS Online TPP Program

#Question id: 31039

#Unit 4. Cell Communication and Cell Signaling

Phosphorylation of tyrosine in activation loop leads to a conformational change in the activation loop that unblocks the kinase active site for either ATP or the substrate by:
Reducing the Kd 
Increasing the Kd
Reducing the affinity
Increasing the affinity

Which of the following combination is correct?
TLS Online TPP Program

#Question id: 20974

#Unit 12. Applied Biology

An example of biosensor, urea electrode makes use of which of the following electrodes?
TLS Online TPP Program

#Question id: 12495

#Unit 8. Inheritance Biology

Haemophilia A is a severe coagulation disorder that shows X-linked recessive inheritance. Red-green colour blindness also shows X-linked recessive inheritance. A man with both haemophilia A and colour blindness is referred for genetic counseling. Assume that his partner is not a carrier of either of these conditions. Which of the following is correct?