Practice Questions

TLS Online TPP Program

#Question id: 12937

Choose the incorrect statement about Yeast Artificial Chromosome vectors.

#SCPH28 | Zoology

They are linear molecule composed of a centromere,telomeres and a replication origin termed ARS element.
It is digested with restriction enzymes at the SUP4 and Bam HI sites separating the telomere sequences.
It produces four arms and the foreign genomic DNA is fragmented.
They are replicated in yeast cells and the external cell wall of the yeast needs to be removed to leave a spheroplast.

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TLS Online TPP Program

#Question id: 4310

#SCPH01 Biochemistry

Which of the following processes destroys RNA molecules in a cell if they have a sequence complementary to an introduced double-stranded RNA?

TLS Online TPP Program

#Question id: 13097

#SCPH05 I Biotechnology

You are a scientist who is using genomics to currently study a new bacterial species that no one has ever studied before. The following sequence is a piece of DNA within the coding region of a gene that you have recently sequenced.

If you take any bacterial gene sequence, before you begin doing any sequence analysis on it, there are six potential open reading frames. Why are there six?

TLS Online TPP Program

#Question id: 1113

#SCPH06 I Botany

Consider this pathway:

epinephrine → G protein-coupled receptor → G protein → adenylyl cyclase → cAMP

The second messenger in this pathway is:

TLS Online TPP Program

#Question id: 959

#SCPH28 | Zoology

Phenylalanine hydroxylase requires molecular ________ and tetrahydrobiopterin.

TLS Online TPP Program

#Question id: 19333

#SCPH06 I Botany

HRP is one of the type of compound biosensor. What is the full form of HRP?