Question

3. Mention the information source of making proteins
in the cell. state two basic events in Reproduction
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Answer 1

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The information source of making proteins in cell is DNA. Two basic events in reproduction are: (i) The creation of a DNA copy.

Answer 2

Hello:)

The source which provides information for making proteins are the DNA which are present in the cell.

The cell organelle called the ribosomes helps in the production of proteins required by the cell and the body to perform its functions.

• The fundamental events that occurs during reproduction are :

1. Pre-fertilisation events : In this stage, gametogenesis, that is, formation of female and male gametes occurs.

2. Fertilisation : Here the female and male gametes which are haploid combines together. In humans, fertilisation is internal, that is, it occurs inside the body itself.

3. Post-fertilisation : Formation of zygote occurs. This structure is diploid in nature.

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