What happens when Neurospora spores are exposed to X-rays and a culture is established from the irradiated spores and then grown in (1) a minimal medium plus vitamins, (2) a minimal medium plus amino acids, and (3) a minimal medium. Introduction: Genes are sets of nucleotides that code for a particular protein. The genes have to be expressed for the synthesis of a protein. This gene expression is regulated depending on the requirement of the cell. For example, cell division proteins are synthesized prior to the cell division. Prokaryotic and eukaryotic genes have differential gene expression in order to suit the specific needs of the cell.

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Explain briefly the theory that suggests that: Life originated from the spores.(Please, the answer should be related to NCERT Biology if possible)

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Chapter 13, Problem 17TYU

Summary Introduction

To explain: What happens when Neurospora spores are exposed to X-rays and a culture is established from the irradiated spores and then grown in (1) a minimal medium plus vitamins, (2) a minimal medium plus amino acids, and (3) a minimal medium.

Introduction: Genes are sets of nucleotides that code for a particular protein. The genes have to be expressed for the synthesis of a protein. This gene expression is regulated depending on the requirement of the cell. For example, cell division proteins are synthesized prior to the cell division. Prokaryotic and eukaryotic genes have differential gene expression in order to suit the specific needs of the cell.

Summary Introduction

To explain: What happens when Neurospora spores are exposed to X-rays and a culture is established from the irradiated spores and if the fungus does not grow in (1) a minimal medium plus vitamins, (2) a minimal medium plus amino acids, and (3) a minimal medium.

Introduction: Genes are sets of nucleotides that code for a particular protein. The genes have to be expressed for the synthesis of a protein. This gene expression is regulated depending on the requirement of the cell. For example, cell division proteins are synthesized prior to the cell division. Prokaryotic and eukaryotic genes have differential gene expression in order to suit the specific needs of the cell.

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