A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which characteristic does this double-stranded molecule have when it forms a B-DNA structure?

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#Question id: 5261

#SCPH28 | Zoology

Which of these statements about prokaryotes is correct?

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#Question id: 19368

#SCPH06 I Botany

Second phase genetic engineering is done for production of

1. Insulin

2. Abiotic or biotic stress crop

3. Resistant/tolerant plants

Which of the above are correct?

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#Question id: 669

#SCPH01 Biochemistry

Ramachandran determined the ʺallowedʺ values of the phi and psi angles primarily by considering ________.

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#Question id: 5580

#SCPH01 Biochemistry

The innermost layer of the root cortex is the

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#Question id: 18593

#SCPH06 I Botany

Some important events in the history of life on Earth are given below.

A. First dinosaurs appeared.

B. First reptiles appeared.

C. First insect fossils appeared.

D. First toothed birds appearance.

E. First wingless insect appeared.

F. Mammals like reptile arise

Match the above with the geological time periods and choose the correct combination,