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Romashka-Z-Leto [24]
3 years ago
12

The building blocks of DNA are like alphabet letters, because they:

Biology
1 answer:
timurjin [86]3 years ago
8 0

Answer:

The letters of DNA pair up because they form hydrogen bonds: each contains hydrogen atoms, which are attracted to nitrogen or oxygen atoms in their partner

Explanation:

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Solution

For figure (a)

During interval AB Velocity is +ve, so the particle is moving in +ve direction, but it is slowing down as acceleration (slope of v-7 curve) is negative.

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For figure (b),

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