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: 23181

#SCPH06 I Botany

__________ type of biosensors exist to measure the concentration and location of Ca2+ and the activation state of GTPase switch proteins.

TLS Online TPP Program

#Question id: 5085

#SCPH28 | Zoology

An embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak must be that of ________.

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#Question id: 5220

#SCPH28 | Zoology

In comparing the genomes of humans and those of other higher primates, it is seen that humans have a large metacentric pair we call chromosome #2 among our 46 chromosomes, while the other primates of this group have 48 chromosomes and any pair like the human #2 pair is not present; instead the primate groups each have two pairs of midsize acrocentric chromosomes. What is the most likely explanation?

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#Question id: 8926

#SCPH28 | Zoology

Sponges and cnidarians are among the fossilized animals found in both the Ediacara Hills and the Burgess Shale from the Rocky Mountains of British Colombia. This observation requires that

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#Question id: 248

#SCPH12 I Genetics

The abbreviation pppT indicates