Under stress it is made directly from glutamate, the first two reactions of the pathway being catalyzed by a single enzyme 

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#Question id: 26999

#Unit 10. Ecological Principles

The following table shows survival and fertility data for a seasonally breeding species. Based on above data NET Reproductive Rate (Ro) of the species will be Season Proportion Surviving Fertility

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#Question id: 10967

#Unit 7. System Physiology – Animal

A 21-year-old female, blood type B, is undergoing surgery. Her platelet count is 75,000/μl. She will need platelet infusions before and during surgery. Which of the following blood types would be used to collect platelets that are compatible with the patient?

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#Question id: 5767

#Unit 8. Inheritance Biology

 An enzyme that repairs thymine dimers in visible light in E. coli

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#Question id: 11469

#Unit 2. Cellular Organization

plant part not absorb light, which type of plastid it is

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#Question id: 32343

#Unit 2. Cellular Organization

At intermediate concentrations of actin subunits, the plus end of the filament remains in the T conformation, while the minus end adopts the D conformation because: