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TLS Online TPP Program

#Question id: 1045

Why would it be more difficult to treat diseases in humans caused by members of the Eukarya than diseases caused by the Bacteria?

#SCPH06 I Botany

  1. Multicellular organisms always have their own immune systems to contend with-so any treatment we develop needs to overcome this built-in protection mechanism in such organisms.

  2. Since bacteria are so much simpler (being single-celled), they are inherently easier to kill off than multi-cellular eukaryotic microbes.

  3. Eukaryotic microbes use many of the same enzymes and systems as humans-so we lose the ability to target certain molecules that might be present ONLY in the cell type we want to eliminate. There's too much overlap when both organisms are eukaryotic.

  4. Eukaryotic microbes (unlike prokaryotes) often secrete compounds that breakdown and eliminate drugs used against them. This makes them much harder to effectively eliminate than bacteria.

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TLS Online TPP Program

#Question id: 2649

#SCPH28 | Zoology

Which operon behaves similar to Bacillus subtilis trp operon in terms of attenuation?
TLS Online TPP Program

#Question id: 4134

#SCPH05 I Biotechnology

The enzyme that attaches an amino acid to a tRNA (aminoacyl-tRNA synthetase):
TLS Online TPP Program

#Question id: 13074

#SCPH05 I Biotechnology

Type of probe used in RFLP;
TLS Online TPP Program

#Question id: 4321

#SCPH01 Biochemistry

A genetic test to detect predisposition to cancer would likely examine the APC gene for involvement in which type(s) of cancer?
TLS Online TPP Program

#Question id: 4597

#SCPH06 I Botany

Cotton-topped tamarins are small primates with tufts of long white hair on their heads. While studying these creatures, you notice that males with longer hair get more opportunities to mate and father more offspring. To test the hypothesis that having longer hair is adaptive in these males, you should ________.