What would be the effect on the PCR reaction if any of the following circumstances arose: 1) there are no primers in the reaction, 2) there are no dNTPs in the reaction, 3) there is no Taq polymerase in the reaction?

#Question id: 2437

#Section 3: Genetics, Cellular and Molecular Biology

Membrane extension involves

a. bending actin filaments.                   

b. myosin II.

c. the Arp2/3 nucleation of new filaments.

d. actin depolymerization.     

e. actin polymerization.

#Question id: 2447

#Section 3: Genetics, Cellular and Molecular Biology

In the axonemes, the arrangement of nine outer doublet microtubules, as well as the protofilament number of each outer doublet, is specified by

#Question id: 2449

#Section 3: Genetics, Cellular and Molecular Biology

What is the correct order of the stages of mitosis?

a. anaphase               

 b. metaphase              

c. telophase    

d. prophase                 

e. prometaphase

#Question id: 2452

#Section 3: Genetics, Cellular and Molecular Biology

Intermediate filaments

a. are typically 6 nm in diameter.                  

b. are essential for cell motility.

c. may be used to diagnose the tissue of origin for many cancers.

d. are composed of globular subunits.                       

e. are formed from tetrameric subunits.

#Question id: 2454

#Section 3: Genetics, Cellular and Molecular Biology

In the cell, intermediate filament disassembly is triggered by

#Question id: 2465

#Section 3: Genetics, Cellular and Molecular Biology

In the budding yeast S. cerevisiae, which of the following is NOT transported into the bud by myosin V?