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TLS Online TPP Program

#Question id: 13041

Which of the following is incorrect about Data Collection? 

#Unit 13. Methods in Biology
  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: 4262

#Unit 3. Fundamental Processes

Find the correct series of event of translation termination
TLS Online TPP Program

#Question id: 1866

#Unit 4. Cell Communication and Cell Signaling

What does HIV binds to?
TLS Online TPP Program

#Question id: 3990

#Unit 3. Fundamental Processes

Which of the following statements is true of the attenuation mechanism used to regulate the tryptophan biosynthetic operon in E. coli?
TLS Online TPP Program

#Question id: 33472

#Unit 2. Cellular Organization

Find correct True and False statements
A. Human females have 23 different chromosomes, whereas human males have 24.
B. In the living cell, chromatin usually adopts the extended “beads-on-astring” form.
C. The four core histones are relatively small proteins with a very high proportion of positively charged amino acids; the positive charge helps the histones bind tightly to DNA, regardless of its nucleotide sequence.
D. Nucleosomes bind DNA so tightly that they cannot move from the positions where they are first assembled.
TLS Online TPP Program

#Question id: 24582

#Unit 3. Fundamental Processes

If the mismatch is near 3’ then which of the following will degrade strands of DNA in the 5’ → 3’ direction only