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TLS Online TPP Program
#Question id: 4906
#Unit 8. Inheritance Biology
Shell coiling is a maternal effect phenotype controlled by S gene where S is dominant dextral phenotype over s sinistral phenotype. Dextral coiling Ss male snail was cross with sinistral coiling ss female snail, The phenotype of progeny is
TLS Online TPP Program
#Question id: 107
#Unit 1. Molecules and their Interaction Relevant to Biology
Ethanolamine, serine and choline can be cleaved from glycerophospholipids by treatment with
TLS Online TPP Program
#Question id: 23685
#Unit 13. Methods in Biology
What is the most logical sequence of steps for splicing foreign DNA into a plasmid and inserting the plasmid into a bacterium?
I. Transform bacteria with recombinant DNA molecule.
II. Cut the plasmid DNA using restriction enzymes.
III. Extract plasmid DNA from bacterial cells.
IV. Hydrogen-bond the plasmid DNA to non plasmid DNA fragments.
V. Use ligase to seal plasmid DNA to non plasmid DNA.
TLS Online TPP Program
#Question id: 31059
#Unit 4. Cell Communication and Cell Signaling
Activated MAP kinase phosphorylates the HER1 EGF receptor on a threonine residue near the juxtamembrane domain. Phosphorylation of this threonine residue:
TLS Online TPP Program
#Question id: 20541
#Unit 12. Applied Biology
Why do bacteria oxidize BTEXs and other organic pollutants?