GRE Biology Practice Tests

1. Stabilization of the unique coiled structure of an alpha helix in a protein is primarily attributed to …

Animal Tissue Quiz

A tissue is a group of cells similar in origin to perform a specific function. Cells of a tissue are often held together…

Quiz on Animal Kingdom

Animals form one major group of living beings. The animal kingdom includes all animals of our world.There are about 1.5…

Quiz on Algae - Phycology Quiz

The algae are chlorophyll bearing thallophytes with autotrophic mode of nutrition. The number of living algae varying from …

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