The major form of Hg in the atmosphere is elemental mercury (Hg0 ), which is volatile and is oxidized to mercuric ion (Hg2+) photochemically. Most mercury thus enters aquatic environments as Hg2+.

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#Id: 8202

#Unit 2. Cellular Organization

Most of the lysosome membrane proteins, are highly glycosylated, which helps to protect them from the lysosome proteases

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#Id: 7315

#Unit 12. Applied Biology

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#Id: 2815

#Unit 13. Methods in Biology

HIC column is made up of phenyl-Sepharose, where phenyl groups are bonded to the insoluble support Sepharose.

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#Id: 3642

#Unit 3. Fundamental Processes

The Class I enzymes share two homologous polypeptide segments that are components of a dinucleotide-binding fold (Rossmann fold, which is also present in many NAD+- and ATP-binding proteins.

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#Id: 9408

#Unit 11. Evolution and Behavior

Group Living Has Advantages and Disadvantages

When animals live together in groups such as flocks or herds

Disadvantage- Group promote competition for food and increased transmission of parasites and other diseases.

Advantage - Benefits relate to group defense against predators through increased vigilance and through protection in numbers.