TLS Online TPP Program

#Question id: 3980


Which of the following statements correctly describes promoters in E. coli?

#Unit 3. Fundamental Processes
  1. A promoter may be present on either side of a gene or in the middle of it.

  2. All promoters have the same sequence that is recognized by RNA polymerase holoenzyme.

  3. Every promoter has a different sequence, with little or no resemblance to other promoters.

  4. Many promoters are similar and resemble a consensus sequence, which has the highest affinity for RNA polymerase holoenzyme.

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TLS Online TPP Program

#Question id: 365

#Unit 1. Molecules and their Interaction Relevant to Biology

Water is a polar molecule: the oxygen atom with its unshared electrons carries a partial negative charge (δ−) of ___________, and the hydrogen atoms each carry a partial positive charge (δ+) of __________, where e is the charge of the electron.

TLS Online TPP Program

#Question id: 14846

#Unit 13. Methods in Biology

Let A and B be events with P(A) =1/2 P(B) = 1/3 and   Then P(A/B) is

TLS Online TPP Program

#Question id: 4421

#Unit 3. Fundamental Processes

In addition to histone acetylase complexes, multiprotein chromatin-remodeling complexes are required for activation at many promoters. The first of these complexes characterized was the yeast SWI/SNF chromatin-remodeling complex. One of the SWI/SNF subunits has homology to

TLS Online TPP Program

#Question id: 11318

#Unit 10. Ecological Principles

Humans previously infected by schistosome organisms carried by wild game suffer less ill effects from the schistosome organism causing schistosomiasis. This process is known as __________.

TLS Online TPP Program

#Question id: 4893

#Unit 8. Inheritance Biology

In tomatoes, tall (D) is dominant over dwarf (d) and smooth fruit (P) is dominant over pubescent fruit (p), which is covered with fine hairs. A farmer has two tall andsmooth tomato plants, which we will call plant A and plant B. The farmer crosses plants A and B with the same dwarf and pubescent plant and obtains the following numbers of progeny

a. The genotypes of both plant A and plant B are DdPp

b. In plant A, Gene D and Gene P link as cis configuration

c. In plant B, Gene D and Gene P link as cis configuration

d. In plant A, Gene D and Gene P link as trans configuration

e. In plant B, Gene D and Gene P link as trans configuration

Which of the following above statement are not correct?