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TLS Online TPP Program

#Question id: 3865

Which of the following statements about E. coli RNA polymerase is false?

#SCPH06 I Botany

  1. Core enzyme selectively binds promoter regions, but cannot initiate synthesis without a sigma factor.

  2. RNA polymerase holoenzyme has several subunits.

  3. RNA produced by this enzyme will be completely complementary to the DNA template.

  4. The enzyme adds nucleotides to the 3' end of the growing RNA chain.

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TLS Online TPP Program

#Question id: 3543

#SCPH01 Biochemistry

Mendel crossed round and tall pea plants (RRTT) with wrinkle and dwarf ones (rrtt). The F1 plants were all round tall. These F1 plants were cross with rrTt. Which of the following is correct among these offspring?
TLS Online TPP Program

#Question id: 18864

#SCPH01 Biochemistry

In light microscopy, the highest resolution is attained with-
TLS Online TPP Program

#Question id: 4345

#SCPH06 I Botany

For a repressible operon to be transcribed, which of the following conditions must occur?
TLS Online TPP Program

#Question id: 14803

#SCPH05 I Biotechnology

The percentage SIMILARITIES and IDENTITIES, respectively, between the two peptide sequences given below will be ______% and _____%.

Peptide I :
Ala-Ala-Arg-Arg-Gln-Trp-Leu-Thr-Phe-Thr-Lys-Ile-Met-Ser-Glu

Peptide II:
Ala-Ala-Arg-Glu-Gln-Tyr-Ile-Ser-Phe-Thr-Lys-Ile-Met-Arg-Asp
TLS Online TPP Program

#Question id: 10521

#I Life Science/ Life Sciences Group – I-V

Which is an example of a plant-derived DAMP found in tomato that is produced in response to wounding associated with herbivore activity?