The molar ratio of sodium acetate to acetic acid in a buffer solution with a pH OF 5.76 is 10:1. Assuming the total buffer concentration is 2.2 X 10^-2 mol/L, how many grams of sodium acetate (m.w. 82) and how many grams of acetic acid (m.w. 60) should be used in preparing a litre of the solution?

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#Question id: 10398

#Unit 6. System Physiology – Plant

Which of the following phytochromes shows very few responses due to their highly regulated transcriptional and translational level?

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#Question id: 10457

#Unit 6. System Physiology – Plant

Cryptochromes are blue-light photoreceptors that mediate several blue-light responses, including__hypocotyl elongation, cotyledon expansion, petiole elongation, anthocyanin production and several other responses. Which of the following graph given below correct representing of blue light responses?

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#Question id: 20711

#Unit 12. Applied Biology

During the electron transfer process, usable energy is recovered via a series of redox reactions through the formation of 

1. Energy storage compounds 

2. Electrochemical gradients

3. Vacoules

Which of the below combinations are correct?

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#Question id: 5680

#Unit 5. Developmental Biology

In vitro model of species-specific binding shows in figure. Add the bindin particles to a plastic well containing a suspension of eggs. After 2–5 minutes of gentle shaking, the wells were photographed.

 According to this figure, which of the following conclusion correctly define the phenomenon of species specificity?

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#Question id: 23769

#Unit 7. System Physiology – Animal

What are the difference between the cones and rode cells?

a. Cones are sensitive to low-intensity light and Rods are responsible for vision at higher light levels. 

b. Rods are sensitive to low-intensity light and cones are responsible for vision at higher light levels. 

c. Rods do not participate in color vision and cones do.

d. Cones do not participate in color vision and Rods do.

Choose correct statements accordingly