Explain (in one or two lines) the function of the followings:
(a) Promoter
(b) tRNA
(c) Exons
In the medium where E. coli was growing, lactose was added, which
induced the lac operon. Then, why does lac operon shut down some
time after addition of lactose in the medium?
If you were Nachiketa, what questions would you like to ask
Yama? Write them down in 100-150 words.
It is often said that the Harappans had a high civic sense.
Discuss the significance of this statement. Do you agree
with it? Compare with citizens in a large city of India
today.
In Mohenjo-daro, about 700 wells built with bricks
have been counted. They seem to have been regularly
maintained and used for several centuries. Discuss the
implications.
What mindset does the system of reservoirs at Dholavira
reflect?
Looking at all the pictures in this chapter, make a list of the
ornaments / gestures / objects that still feel familiar in our
21st century.
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