aeisha123 aeisha123

30-09-2020
Biology

contestada

which substances contain nitrogen?
A. proteins
B. carbohydrates and fats
C. proteins and carbohydrates

Respuesta :

josephsalazar13150 josephsalazar13150

30-09-2020

Answer:

protiens

Explanation:

in protiens in cells have nightogen

Answer Link

bbang15 bbang15

30-09-2020

Answer:

A. Proteins

Explanation:

Urea is a by product of protein digestion.

Answer Link

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