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TLS Online TPP Program

#Question id: 31385

If cytochrome c is microinjected into the cytosol of wild-type mammalian cells and cells that are doubly defective for Bax and Bak, which cells would undergo apoptosis?

#Unit 4. Cell Communication and Cell Signaling
  1. Only wild-type cells would undergo apoptosis
  2. Only Bax/Bak-defective cells would undergo apoptosis
  3. Both wild-type and Bax/Bak-defective cells would undergo apoptosis 
  4. Neither cell type would undergo apoptosis
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TLS Online TPP Program

#Question id: 28294

#Unit 5. Developmental Biology

Which enzyme is responsible for harden of the vitelline envelope and convert it into fertilization envelope?
TLS Online TPP Program

#Question id: 1449

#Unit 4. Cell Communication and Cell Signaling

Src is a:
TLS Online TPP Program

#Question id: 3884

#Unit 3. Fundamental Processes

Compared with DNA polymerase, reverse transcriptase: 
TLS Online TPP Program

#Question id: 4424

#Unit 3. Fundamental Processes

The nuclear-synthesized poly-A sequence at the 3′ end of eukaryotic messenger RNA is
TLS Online TPP Program

#Question id: 11438

#Unit 1. Molecules and their Interaction Relevant to Biology

Two of the common amino acids are analyzed. At pH = 7.0, amino acid X is negatively charged while amino acid Y is positively charged. Which will be a characteristic of amino acid X?