TLS Online TPP Program

#Question id: 940


Transamination reactions require which coenzyme?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. PLP

  2. TPP 

  3. ATP 

  4. FMN

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TLS Online TPP Program

#Question id: 4399

#Unit 3. Fundamental Processes

Transcription factors can

a. exhibit cooperative binding.  b. exist as heterodimers.

c. act to repress transcription of transcription factor genes.

d. undergo conformational changes which alter activity.

e. never interact with co-repressors.

TLS Online TPP Program

#Question id: 15380

#Unit 8. Inheritance Biology

In soybeans, resistance to sudden death syndrome (SDS) is inherited as a dominant condition. In some cases, individuals that are not resistant to SDS (but whose parents were) can pass the trait on to their progeny. This is an example of which of the following?

TLS Online TPP Program

#Question id: 4396

#Unit 3. Fundamental Processes

It is suspected that a novel protein only interacts with the promoter region of a gene. Which of the following techniques should be used to confirm this suspicion?

A. EMSA

B. DNase footprinting

C. Filter binding

D. Gel mobility shift assay

TLS Online TPP Program

#Question id: 3544

#Unit 8. Inheritance Biology

Diploid organism possesses two alternative form of gene present on locus of chromosome that specifies particular character undergoes crossing over between gene and centromere. Which of the following observation is correct?

TLS Online TPP Program

#Question id: 15146

#Unit 8. Inheritance Biology

You have isolated a set of five yeast mutants that form dark red colonies instead of the usual white colonies of wild-type yeast. You cross each of the mutants to a wild-type haploid strain and obtain the results shown below;
What do these results tell you about each of the mutants?