One of the regulation of extracellular mechanism is chemical regulation of stem cells takes the form of secreted proteins from surrounding cells that influence stem cell through signals, these Chemical signals maintain the stem cell in which state?

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#Question id: 7296

#Unit 5. Developmental Biology

some of the following statements regarding to this experiment are given below. Which of the following statements is incorrect?

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#Question id: 15210

#Unit 13. Methods in Biology

Which of the following buffer gives superior separation of smaller fragments (< 2 kb) of miRNA prudentially

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#Question id: 3353

#Unit 11. Evolution and Behavior

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#Question id: 19806

#Unit 12. Applied Biology

Several approaches have been used to engineer plants for virus resistance, which are as follows:

(1) coat protein gene 

(2) ribozyme-mediated protection

(3) defective viral genome

(4) antisense RNA approach

Which of the following above statements are correct?

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#Question id: 4912

#Unit 8. Inheritance Biology

Correns described that the inheritance of variegated color on the leaves of certain plants was determined by the maternal parent only. What phenomenon does this describe?