TLS Online TPP Program

#Question id: 20715


Under anaerobic conditions microbial electron transfer and respiration can proceed only if

#SCPH01 Biochemistry
  1. electron acceptors are available
  2. electron donors are available
  3. electron acceptors are absent
  4. electron donors are absent
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TLS Online TPP Program

#Question id: 4161

#SCPH06 I Botany

The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.

TLS Online TPP Program

#Question id: 4725

#SCPH06 I Botany

Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

TLS Online TPP Program

#Question id: 2106

#SCPH01 Biochemistry

When using immunofluorescence microscopy with labeled Annexin V antibodies you found that there is a change in the distribution of the fluorescence when the cells were treated with tumor necrosis factor, an apoptosis-inducing agent. Your data show that this increase in Annexin V fluorescence increases specifically in the:

TLS Online TPP Program

#Question id: 3891

#SCPH06 I Botany

Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?

TLS Online TPP Program

#Question id: 12938

#SCPH28 | Zoology

What is the main advantage of using Yeast Artificial Chromosome based vector over other vectors?
1. It has ability to clone very large fragments of DNA.
2. YAC vectors do not contain origin of replication sites 
3. It has insert  range up to 2000 kb.
4. It help in genome mapping and sequencing projects.