TAND-1 and TAND-2 of TAF-1 blocks the DNA binding cleft of TPB and the n-terminal stirrup.
<h3>Explain function of TAF(I).</h3>
- Part of a protein known as transcription factor IID can be made using instructions from the TAF1 gene (TFIID).
- The body's cells and tissues all have this protein, which connects to and binds to DNA there.
- The majority of genes' activity is controlled by transcription factor IID.
- A preinitiation complex made up of a number of initiation components must be assembled before RNA polymerase II can begin transcription of a gene from its core promoter region.
- It is believed that the TFIID transcription factor complex, which is made up of the TATA-binding protein (TBP) and TBP-associated factors (TAF(II)s), binds to the various promoters in a sequence-specific manner to initiate the assembly of this complex.
- Here, we identify and characterize a novel multiprotein complex made up of a number of TAF(II)s and other proteins but lacking either TBP or a TBP-like factor.
- In in vitro transcription experiments, this complex can take the place of TFIID on both TATA-containing and TATA-lacking promoters.
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The correct answer is: D) Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles.
The lymphatic system is an open system which primarily consists of lymphatic vessels, (similar to the circulatory system's veins and capillaries) interrupted by lymph nodes, where the lymph is filtered. Since there is no central pump in lymphatic system (like heart in circulatory system) lymph transport, is slow and sporadic. Lymph movement occurs due to:
• peristalsis (contraction and relaxation of smooth muscle tissue),
• valves,
• contraction of adjacent skeletal muscle and
• arterial pulsation.
I believe the answer is a prokaryote.
Hii!! I believe the answer is fetal stage. (: