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TLS Online TPP Program

#Question id: 4178

The acceptor stem of tRNA consists of the __.

#Section 3: Genetics, Cellular and Molecular Biology

  1. loop that includes the anticodon

  2. terminal CCA only

  3. 5ʹ end and a region near the end 3ʹ end that are base-paired to each other

  4. variable arm and the D arm

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TLS Online TPP Program

#Question id: 14579

#Section 2: General Biology

Organisms may derive energy from
A. sunlight.
B. metabolizing chemical compounds.
C. little tiny batteries.
D. temperature gradients.
Which combination from the following is correct?
TLS Online TPP Program

#Question id: 3910

#Section 3: Genetics, Cellular and Molecular Biology

RNA polymerase uses the __ strand of DNA in transcription.
TLS Online TPP Program

#Question id: 1691

#Section 2: General Biology

What is the structure recognized by the αβ T-cell receptor on the cell surface of an antigen-presenting cell?
TLS Online TPP Program

#Question id: 28110

#Section 5: Bioprocess Engineering and Process Biotechnology

A certain reaction has a value of Keq = 0.0260 at 25 °C and ΔHrxn=32.4kJ/mol. Calculate the value of Keq at 37 °C. 
TLS Online TPP Program

#Question id: 348

#Section 2: General Biology

Sulfur is in the same column of the periodic table as oxygen, but has electronegativity similar to carbon. Compared to water molecules, molecules of H2S will ________.