#Question id: 7226
#Unit 5. Developmental Biology
Experimental
evidences suggest that control of proximal-distal specification of the limb is
correlated with the age of the progress zone mesenchyme. Match the following
experiment (Column I) with their results (Column II).
Column I |
Column II |
A.
when an early wing bud progress zone was transplanted to a late wing bud |
I.
Normal limbs form |
B.
when a late wing-bud progress zone was transplanted to an early wing bud |
II.
Lack of intermediate structures |
C.
when an early wing bud progress zone was transplanted to an early wing bud |
III.
An extra set of ulna and radius formed |
D.
when a late wing-bud progress zone was transplanted to a late wing bud |
|
#Question id: 11492
#Unit 2. Cellular Organization
#Question id: 4760
#Unit 8. Inheritance Biology
you set up a cross between true breeding wild type male fruit flies and true breeding female flies with a yellow body color. you notice in the f1 generation that half the flies, specifically all the males, have yellow body color while the females are wild type (gray). which of the following explanations is the most likely?
#Question id: 11654
#Unit 10. Ecological Principles
Succession start from the water body and continuos in community dyanamics, changes species composition as well as changes in structure also. Which one is the correct composition of hydrosere process?
#Question id: 1124
#Unit 4. Cell Communication and Cell Signaling
Which of the following is (are) intracellular second messengers?
a. Ca2+ b. cAMP c. epinephrine
d. protein kinase A e. protein kinase C