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TLS Online TPP Program

#Question id: 4371

Which statement is not true about the TATA box?

#SCPH28 | Zoology

  1. The TBP portion of the general transcription factor TFIID binds to the TATA box forming a molecular clamp.

  2. It is located about 19-27 bp upstream from the transcription start site of class II genes.

  3. Its sequence is highly conserved among all species.

  4. This region of DNA is more easily unwound to an open complex than other general sections of DNA.

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TLS Online TPP Program

#Question id: 105

#SCPH28 | Zoology

Isoprenoids are lipids which neither contain nor are derived from fatty acids and include

A) steroids.

B) waxes.

C) terpenes.
TLS Online TPP Program

#Question id: 747

#SCPH01 Biochemistry

In nucleic acids, the bases are covalently attached to the 1-position of a pentose sugar ring, to form a:
TLS Online TPP Program

#Question id: 16489

#SCPH01 Biochemistry

The beginning of animal tissue culture can be traced when Arnold showed that 
TLS Online TPP Program

#Question id: 15608

#SCPH01 Biochemistry

Melanins are light-absorbing biopolymers useful as topical sunscreens, sunlight-protective coatings for plastics, etc. Which gene is used for producing melanin. 
TLS Online TPP Program

#Question id: 15141

#SCPH05 I Biotechnology

An alignment of two protein sequences is given below:

Sequence A         A G A A C D E V I G
Sequence B         A G E Y C D A V I G
The similarity score (%) for the above alignment will be: