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TLS Online TPP Program

#Question id: 4944

What is true of the amino acids that might have been delivered to Earth within carbonaceous chondrites?

#Unit 11. Evolution and Behavior

  1. They had the same proportion of L and D isomers as Earth does today.

  2. The proportion of the amino acids was similar to those produced in the Miller-Urey experiment.

  3. There were fewer kinds of amino acids on the chondrites than are found in living organisms today.

  4. They were delivered in the form of polypeptides.

More Questions
TLS Online TPP Program

#Question id: 941

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is an amide-containing amino acid?
TLS Online TPP Program

#Question id: 6955

#Unit 5. Developmental Biology

In frogs, maternally packaged Xwnt-11 leads to nuclear localization of _____ in the _____, which in response signals to adjacent cells to become the _____.
TLS Online TPP Program

#Question id: 20714

#Unit 12. Applied Biology

Under what conditions microbial electron transfer and respiration can proceed if suitable exogenous electron acceptors are available
TLS Online TPP Program

#Question id: 10245

#Unit 10. Ecological Principles

Which of the following exemplifies an evenly spaced distribution?
TLS Online TPP Program

#Question id: 23300

#General Aptitude

The maxim of maintaining good relations with others is