The conversion of ammonium to amino acids requires two enzymes such as GS and GOGAT,

a) High levels of light and carbohydrate—conditions that stimulate plastid GS and Fd-GOGAT

b) Conditions of ample energy inhibit GS and GOGAT

c) The stimulation of GS and GOGAT, they favor nitrogen assimilation into glutamine and glutamate, compounds that are rich in carbon and participate in the synthesis of new plant materials

d) In energy-limited conditions inhibit GS and GOGAT

Which of the following statements about GS and GOGAT is correct?

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#Question id: 11696

#Biochemistry

Which of the following is most likely to produce the greatest increase in insulin secretion?

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#Question id: 11697

#Biochemistry

In order for male differentiation to occur during embryonic development, testosterone must be secreted from the testes. What stimulates the secretion of testosterone during embryonic development?

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#Question id: 11700

#Biochemistry

As menstruation ends estrogen levels in the blood rise rapidly. What is the source of the estrogen?

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#Question id: 11701

#Biochemistry

Which of the following anterior pituitary hormones plays a major role in the regulation of a nonendocrine target gland?

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#Question id: 11703

#Biochemistry

A female athlete who took testosterone-like steroids for several months stopped having normal menstrual cycles. What is the best explanation for this observation?

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#Question id: 11781

#Biochemistry

A 40-year-old woman comes to the emergency room with a fracture in the neck of the femur. Radiographs reveal generalized demineralization of the bone in the area. Her plasma calcium ion concentration is significantly greater than normal: 12.2 mg/dL. Which of the following conditions is consistent with this presentation?