A living cytoplasmic connection penetrate the walls between sieve tube elements and their companion cells; which are often complex and branched on the companion cell side, known as

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#Question id: 7291

#5. Developmental Biology

Five different genes are known to specify floral organ identity in Arabidopsis: APETALA1 (AP1), APETALA2 (AP2), APETALA3 (AP3), PISTILLATA (PI), and AGAMOUS (AG).

Which one of the following statement is incorrect?

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#Question id: 15603

#12. Applied Biology

Novel antibiotic can be made by

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#Question id: 9192

#9. Diversity of Life Forms

The oak tree pathogen Phytophthora ramorum has migrated 650 km in ten years. West Nile virus spread from New York State to 46 others states in five years. The difference in the rate of spread is probably related to

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#Question id: 1566

#4. Cell Communication and Cell Signaling

Histamines trigger dilation of nearby blood vessels, and increase in their permeability. Which of the signs of inflammation are therefore associated with histamine release?

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#Question id: 22958

#5. Developmental Biology

Which of the following statement is correct regarding to the flower development in Arabidopsis?