Help please! Which is the correct biochemical sequence in the pathway for synthesis of the amino acid arginine?

a) ornithine is converted to arginine, which is then converted to citrulline

b-) citrulline is converted to arginine, which is then converted to ornithine

c-) arginine is converted to citrulline, which is then converted to ornithine

d-) ornithine is converted to citrulline, which is then converted to arginine

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).

the answer is b. dilution

answer : third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol

explanation :

let us write down the given equations

equation 1 :

equation 2 :

equation 3 :

let us use hess's law to find out which 2 equations can be added to get the third equation.

let us reverse equation 2 and multiply it by 2. the new equation that we get is,

equation 4 :

let us add equation 1 & 4

the above equation is similar to equation 3 but has different value for dhrxn.

therefore third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol

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