The 5' methyl guanosine caps added during RNA chain elongation performs what function?

1. prevents degradation by nucleases 

2. are recognized by protein factors

3. are used to identify the type of RNA

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#Question id: 11576

#Biochemistry

The amino acid tyrosine is a starting substrate for the synthesis of :

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#Question id: 11577

#Biochemistry

If the adrenal cortex were surgically removed, an increase in the plasma levels of ________ would likely be observed.

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#Question id: 11578

#Biochemistry

During a stressful interval, ________.

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#Question id: 11579

#Biochemistry

In response to stress, the adrenal gland promotes the synthesis of glucose from noncarbohydrate substrates via the action of the steroid hormone ________.

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#Question id: 11580

#Biochemistry

Melatonin is secreted by the ________.

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#Question id: 11581

#Biochemistry

DES is called an "endocrine disrupting chemical" because it interferes with the endocrine secretions of the ________.