Which of the following occurs during anaphase A?

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#Question id: 23710

#Unit 8. Inheritance Biology

Polygenic trait is a characteristic, such as 

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#Question id: 16482

#Unit 12. Applied Biology

In vitro culture and growth of organs or parts thereof in which their various tissue components, functions are preserved both in terms of their structure and function is called as

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#Question id: 11549

#Unit 7. System Physiology – Animal

If a biochemist discovers a new molecule, which of the following pieces of data would allow her to draw the conclusion that the molecule is a steroid hormone?

I) The molecule is lipid soluble.

II) The molecule is derived from a series of steps beginning with cholesterol.

III) The molecule acts at a target tissue some distance from where it is produced.

IV) The molecule uses a transport protein when in an aqueous solution such as blood.

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#Question id: 12798

#Unit 10. Ecological Principles

Which of the following statements best describes the interaction between fire and ecosystems? 

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#Question id: 7268

#Unit 5. Developmental Biology

Match the columns and choose the correct option.

Column I	Column II
A.    Progress zone	i.                    thickening of the ectoderm at the apex of the developing limb bud
B.     Apical ectodermal ridge	ii.                  The cells found within the most posterior region
C.     Zone of polarizing activity	iii.                The highly proliferative mesenchyme that fuels limb bud growth