For which of these does mrna copy and carry the code?

a. gametes
b. organelles
c. dna
d. proteins

D. Protein

The mRNA or messenger RNA is a large class of RNA molecules that are responsible for transmitting the genetic information from the DNA to the ribosome, where it encodes for the specific amino acid chain responsible for synthesis of specific functional protein.

the equation that correctly represent the reaction for formation of ammonia is

n2+ 3h2 → 2nh3 (answer d)

1 mole of nitrogen gas (n2) react with 3 moles of hydrogen gas (h2) to form 2 moles of ammonia ( nh3). this is in a process known as haber process were iron is used as a catalyst and reaction take place that a higher temperature and pressure. the process is exothermic hence energy is released.

gas

explanation:

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