A mutated E. coli cell carries out and completes DNA replication, but the lagging strands are found to contain more errors than normal. These errors are not found evenly distributed throughout the lagging strands, but are found in clusters. Which enzymatic activity is missing from this cell?

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#Question id: 15290

#Unit 5. Developmental Biology

Lens formation requires sequential events whereby the anterior neural plate signals the anterior ectoderm to promote secretion of Pax 6, which renders the anterior ectoderm more receptive to secretions from the optic vesicle. The above can be best explained by which of the following phenomenon?

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#Question id: 26840

#Unit 10. Ecological Principles

Those species that is single, large and easily recognizable

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#Question id: 5528

#Unit 5. Developmental Biology

The lining of the uterus in which the mammalian embryo implantationsTakes place called as

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#Question id: 11993

#Unit 10. Ecological Principles

Which of the following statements about light in aquatic environments is correct? 

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#Question id: 10373

#Unit 6. System Physiology – Plant

The nodulation (nod) genes are classified as common nod genes or host specific nod genes. Some statements related to such classification are given below;

a) nod A is a common nod gene and nod Q is a host specific gene

b) nod B is a common nod gene and nod C is a host specific gene

c) nod C is a common nod gene and nod H is a host specific gene

d) nod H is a common nod gene and nod P is a host specific gene

Choose the correct answer from the above statements: