Which of the following does (do) not require a DNA helicase activity?

a. SWI/SNF function  b. Pol II open-complex formation

c. transcription-factor binding to DNA

d. deacetylation of histone tails

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#Question id: 11139

#Unit 7. System Physiology – Animal

In a simple synapse, neurotransmitter chemicals are released by ________.

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#Question id: 32334

#Unit 2. Cellular Organization

Which of the following actin binding protein binds monomers & concentrates them at sites of filament assembly?

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#Question id: 19239

#Unit 12. Applied Biology

An important component of a successful chloroplast transformation system is the availability of suitable 

1. Selectable marker 

2. Enhancer sequence

3. Reporter genes

Which of the following above statements are correct?

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#Question id: 850

#Unit 1. Molecules and their Interaction Relevant to Biology

The experimental inverse of protein structure prediction, has provided insights into protein folding and stability. Protein design attempts to construct an amino acid sequence that will form a structure such as a sandwich of β sheets or a bundle of α helices;

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#Question id: 9172

#Unit 9. Diversity of Life Forms

Two plant species live in the same biome but on different continents. Although the two species are not at all closely related, they may appear quite similar as a result of ________.