When in a gel more Joule heat is produced than can be dissipated, the temperature in the middle of the gel is higher than at the lateral edges. This causes higher mobility of the ions in the center, resulting in an uneven distribution of the zones. The zones bend up at the two lateral sides, causing

#Question id: 15603

#SCPH05 I Biotechnology

#Question id: 9225

#SCPH06 I Botany

Use the following figure to answer the question

In looking at the species-area plot in the figure, what can be concluded?

#Question id: 939

#SCPH06 I Botany

Which of the following is/are true concerning transanimation reactions?

#Question id: 10798

#SCPH05 I Biotechnology

Two other major groups of flavonoids found in flowers and leaves of all green plants. The function of these two flavonoids in plants are____

a) protect plants against being eaten by herbivores and against being infected by microbial pathogens

b) Protect cells from excessive UV-B radiation (280–320 nm) because they accumulate in the epidermal layers of leaves and stems and absorb light strongly in the UV-B region       

c) flavones and flavonols secreted into the soil by legume roots mediate the interaction of legumes and nitrogen-fixing symbionts

d) They are are coloured terpenoid compounds that also serve as accessory pigments in photosynthesis    

Which of the following combination from the above statements is correct?

#Question id: 9159

#SCPH06 I Botany

Which of the following investigations would shed the most light on the future distribution of organisms in temperate regions that are faced with climate change?