Shady habitats proportionally more abundant far-red light, which is absorbed primarily by photosystem I (PSI) at P700nm, for better balance the flow of energy through PSII and PSI so, what will be the changes appear to enhance light absorption and energy transfer in shady environments?

a.) some shade plants is to produce a higher ratio of PSII to PSI reaction centers, compared with that found in sun plants

b.) photosystem I (PSI) for enhancing light absorption and energy transfer in shady plants increases their reduction potential

c.) some shade plants add more antenna chlorophyll to PSII to increase absorption by this photosystem

d.) photosystem I (PSI) for enhancing light absorption and energy transfer in shady plants decreases their reduction potential

Which of the following above combination is TRUE?

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#Question id: 3676

#Unit 3. Fundamental Processes

Which function can be carried out by DNA replication proteins?

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#Question id: 6942

#Unit 5. Developmental Biology

How long does embryonic development (before 1st instar larva hatches) take in this organism?

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#Question id: 26387

#Unit 3. Fundamental Processes

ORC in S. cerevisiae, Schizosaccharomyces pombe, Drosophila, & Xenopus called respectively

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#Question id: 11897

#General Aptitude

Which least number should be subtracted from the number 36798 so that the new number is completely divisible by 78?

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#Question id: 13160

#Unit 4. Cell Communication and Cell Signaling

According to the Switching mechanism, monomeric G proteins exist in two states. Match the following states (Column I) with correct mechanism (Column II).

Column I	Column II
A. “ON” state	i. switch I and switch II, are bound to the terminal γ phosphate of GTP through interactions with the backbone amide groups of conserved threonine and glycine residues.
B. “OFF” state	ii. GTPase-activating proteins
	iii. guanine nucleotide exchange factor
	iv. Due to the removal of the γ phosphate by GTPase-catalyzed hydrolysis causes switch I and switch II to relax into a different conformation