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: 5581

#SCPH01 Biochemistry

In humans, an individual with an XXY chromosomal complement will develop as

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#Question id: 5581

#SCPH28 | Zoology

In humans, an individual with an XXY chromosomal complement will develop as

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#Question id: 5582

#SCPH01 Biochemistry

Secretion of Müllerian-inhibiting substance by Sertoli cells:

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#Question id: 5583

#SCPH01 Biochemistry

In mammals, dosage compensation is carried out by:

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#Question id: 5584

#SCPH01 Biochemistry

Which one of the following provides rapid block to polyspermy during sea urchin fertilization?

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#Question id: 5585

#SCPH01 Biochemistry

Hermaphrodite is the sexual phenotype of a gain-of-function transformer-1 in both X and XX of C. elegans. Which of the following loss-of-function will also result in hermaphrodite regardless of copy number of X?