Define light reaction. Define dark reaction.
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➜ A chemical reaction, which take place only in the presence of light, is called light reaction or light dependent reaction.

➜ A chemical reaction, which can take place even in the absence of light, is called a dark reaction or light independent reaction.

➜ A chemical reaction which take place only in the presence of light, is called light reaction or light dependent reaction.

• It takes place in grana of chloroplast.

➜ A chemical reaction which can take place even in the absence of light, is called dark reaction or light independent reaction.

• It takes place in stroma of chloroplast.

. fibrinogen is soluble in water and is found in high concentrations in the blood, where it waits until needed to form a clot

d. the weight of the book