Membrane extension involves

a. bending actin filaments.                   

b. myosin II.

c. the Arp2/3 nucleation of new filaments.

d. actin depolymerization.     

e. actin polymerization.

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#Question id: 1138

#Section 3: Genetics, Cellular and Molecular Biology

A loss-of-function mutation in Wnt would have a phenotype similar to a

a. gain-of-function mutation in GSK-3.                    

b. gain-of-function mutation in β-catenin.

c. loss-of-function mutation in GSK-3.                     

d. loss-of-function mutation in β-catenin.

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#Question id: 3696

#Section 3: Genetics, Cellular and Molecular Biology

In eukaryotes, which of the following DNA polymerase is required for mitochondrial DNA replication?

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#Question id: 24080

#Section 5: Bioprocess Engineering and Process Biotechnology

HI dissociates to form I2 and H2:

2HI(g) →H2(g) + I2(g)

If the concentration of HI changes at a rate of –0.45 M/s, what is the rate of appearance of I2(g)?

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#Question id: 10786

#Section 6: Plant, Animal and Microbial Biotechnology

Alkaloids are usually synthesized from one of a few common amino acids such as___

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#Question id: 14778

#Section 1: Engineering Mathematics

Two dice are thrown the probability of getting an odd number on the one and a multiple of 3 on the other is