The mouse zona pellucida is made of three major glycoproteins—ZP1, ZP2, and ZP3

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#Id: 8969

#Unit 11. Evolution and Behavior

The amount of genetic variation by examining phenotypic variation was difficult because many traits, a complex interaction of many genes and environmental factors determines the phenotype

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#Id: 2547

#Unit 13. Methods in Biology

Primer sequence also· affects PCR efficiency. For example, if the primers used for PCR have complementary regions, primer dimers will be formed, and PCR efficiency will markedly decline.

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#Id: 561

#Unit 2. Cellular Organization

lacZ encodes for b-galactosidase, a tetramer of 500 kD. The enzyme breaks lactose is cleaved into glucose and galactose. This enzyme also produces an important byproduct, b-1,6-allolactase.

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#Id: 5759

#Unit 10. Ecological Principles

Species richness- which is a count of the number of species.

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#Id: 7437

#Unit 5. Developmental Biology

The emerging column of cells topples over called ‘the slug’.