Unlike NADH and NADPH, Which of the following is correct for FAD and FADH

A) donate one electron at a time.

B) donate one or two electrons at a time.

C) do not become positively charged.

#Question id: 12492

#Unit 8. Inheritance Biology

#Question id: 4054

#Unit 3. Fundamental Processes

Phosphorylation of RNA Pol II results in the formation

#Question id: 1252

#Unit 4. Cell Communication and Cell Signaling

 Following statements are regarding to the phosphoinositide signaling pathway.

A. Many RTKs and cytokine receptors can initiate the IP3/ DAG signaling pathway by activating phospholipase Cβ (PLCβ), a different PLC isoform.

B. Activated RTKs and cytokine receptors also can initiate another phosphoinositide pathway by binding a PI-3 kinase, thereby allowing the enzyme access to its membrane-bound phosphoinositide substrates, which then become phosphorylated at the 3 position.

C. Protein kinase B (PKB) becomes partially activated by binding to PI 3-phosphates with its PH domain.

D. Full activation of PKB requires phosphorylation by the kinase PDK1, which is also recruited to the membrane by binding to PI 3-kinase, and by a second kinase, PDK2.

Which of the following combination is incorrect?

#Question id: 10710

#Unit 10. Ecological Principles

Researcher study the diversity of 3 communities, 4 species was recorded from all community. Presence (+) and absence (-) of species are given 

What is similarity coefficient between A & B, B & C, and A & C RESPECTIVELY?

#Question id: 7271

#Unit 5. Developmental Biology

In drosophila, Head formation required higher Bicoid concentrations than thorax formation, because