Which of the following produce the dense glassy ooze found in certain areas of the deep-ocean floor?

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#Question id: 19480

#Unit 12. Applied Biology

The C-terminal half of these cry proteins is highly conserved and is most likely involved in the 

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#Question id: 33329

#Unit 2. Cellular Organization

In gram-negative bacteria such as Escherichia coli, cross-links form between:

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#Question id: 17802

#Unit 9. Diversity of Life Forms

Which of the following was not a challenge for survival of the first land plants? 

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#Question id: 15729

#Unit 12. Applied Biology

The Somatic Embryos regenerating from an explants or a callus are termed as

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#Question id: 31330

#Unit 5. Developmental Biology

Which of the following signal molecules established parasegmental periodicity in drosophila?

a. Wingless

b. Hedgehog

c. Engrailed

d. Smoothened