What kind of lenses are used to focus a high-velocity electron beam instead of the visible light.

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#Question id: 28245

#Unit 5. Developmental Biology

 The somatic cells of the hub create asymmetric proliferation by secreting a  factor which involve onto the cells attached to them, these factors are___

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#Question id: 28985

#Unit 7. System Physiology – Animal

Norepinephrine is formed by which of the following process?

I- hydroxylation followed by decarboxylation of tyrosine

II- by conversion of dopamine in presence of dopamine β -hydroxylase enzyme

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#Question id: 10379

#Unit 6. System Physiology – Plant

Upon binding to Nod factors, activates the kinase activity of NFR1, this kianse activity of NFR1 activates which type of set of receptors?

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#Question id: 13042

#Unit 13. Methods in Biology

For analyzing DNA sequences, two techniques have been developed, one is _________ method frequently termed_________, involving the enzymatic synthesis of DNA and stopping the synthesis at specific nucleotides. While another technique, the __________ method of DNA sequencing developed by ___________ is often used for sequencing small fragments of DNA.

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#Question id: 31105

#Unit 2. Cellular Organization

Phalloidin isolated from Amanita phalloides, binds at the interface between subunits in F-actin involves: