HIRs require prolonged or continuous exposure to light of relatively high irradiance, these HIRs induce phytochrome responses such as

a) Synthesis of flavonoids including anthocyanins

b) Inhibition of hypocotyl elongation in various plants

c) Induction of flowering and Plumular hook opening in lettuce

d) Enlargement of cotyledons in mustard

e) Production of ethylene in sorghum

Which of the following phytochrome responses induce by HIRs is correct?

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#Question id: 28328

#Unit 5. Developmental Biology

Ingression process involved migration of individual cells from the surface into the embryo's interior, this process is found in_____

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#Question id: 4320

#Unit 3. Fundamental Processes

Forms of the Ras protein found in tumors usually cause which of the following events to occur?

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#Question id: 18593

#Unit 11. Evolution and Behavior

Some important events in the history of life on Earth are given below.

A. First dinosaurs appeared.

B. First reptiles appeared.

C. First insect fossils appeared.

D. First toothed birds appearance.

E. First wingless insect appeared.

F. Mammals like reptile arise

Match the above with the geological time periods and choose the correct combination,

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#Question id: 1882

#Unit 4. Cell Communication and Cell Signaling

Type I hypersensitivity can be blocked using:

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#Question id: 10783

#Unit 6. System Physiology – Plant

which of the following compounds are more diversified in terms of soluibility such as : Some are soluble only in organic solvents, some are water-soluble carboxylic acids and glycosides, and others are large, insoluble polymers;