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TLS Online TPP Program

#Question id: 13041

Which of the following is incorrect about Data Collection? 

#SCPH01 Biochemistry
  1. The two-color microarray uses multiple dyes at times 
  2. The most common type of microarray protocol is the two-color microarray 
  3. The cDNAs are obtained by extracting total RNA or mRNA from tissues or cells and incorporating fluorescent dyes in the DNA strands during the cDNA biosynthesis 
  4. The expression of genes is measured via the signals from cDNAs hybridizing with the specific oligonucleotide probes on the microarray
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TLS Online TPP Program

#Question id: 2707

#SCPH05 I Biotechnology

Aminoglycoside antibiotics such as kanamycin, tobramycin, neomycin are known inhibitors of DNA synthesis. It contains a cyclitol ring linked to five or six membered sugars by glycosidic bonds. These antibiotics are
TLS Online TPP Program

#Question id: 2708

#SCPH05 I Biotechnology

In strong acid and at elevated temperatures, for example perchloric acid (HClO4) at more than 100° C, nucleic acids tend to:
TLS Online TPP Program

#Question id: 2709

#SCPH05 I Biotechnology

Which, if any, of the following statements are false?
TLS Online TPP Program

#Question id: 2710

#SCPH05 I Biotechnology

Which of the following most accurately describes a retrotransposon?
TLS Online TPP Program

#Question id: 2711

#SCPH05 I Biotechnology

Which of the following enzymes of transcription commonly contains a bromodomain?
TLS Online TPP Program

#Question id: 2712

#SCPH05 I Biotechnology

A researcher found a method she could use to manipulate and quantify phosphorylation and methylation in embryonic cells in culture. One of her colleagues suggested she try increased methylation of cytosine (C) nucleotides in the DNA of promoters of a mammalian system. Which of the following results would she most likely see?