The distribution of electrons in the excited molecule is somewhat different from the distribution in the groundstate molecule, Absorption of blue light excites the chlorophyll to a higher energy state than absorption of red light because

#Question id: 7189

#Unit 5. Developmental Biology

Following statements were made regarding vulval development in C. elegans:

A. The formation of the anchor cell is mediated by lin-12, the C. elegans homologue of the Notch gene.

B. The formation of the anchor cell is mediated by lin-12, the C. elegans homologue of the Delta gene.

C. The lin-12 gene needs to function only in that cell destined to become the uterine precursor cell.

D. Presumptive Anchor cell also need lin-12.

E. Two cells originally synthesize both the signal for uterine differentiation (the LAG-2 protein, homologous to Delta) and the receptor for this molecule (the LIN-12 protein, homologous to Notch.

Which one of the following options represents a combination of correct statements?

#Question id: 8886

#Unit 9. Diversity of Life Forms

Which characteristic is shared by both cnidarians and flatworms?

#Question id: 1717

#Unit 4. Cell Communication and Cell Signaling

Which of the following functions are macrophages unable to carry out?

#Question id: 28074

#Unit 6. System Physiology – Plant

#Question id: 14978

#Unit 2. Cellular Organization