In order for plants and animals to be able to use nitrogen, n2 gas must first be converted to more a chemically available form. review the picture of the nitrogen cycle. one type of organism is responsible for "fixing" nitrogen so other organisms can use the element. what organism is this?
a) fungi
b) plants
c) animals
d) bacteria

Protein synthesis actually begins in the nucleus when transcribes a single gene on the dna molecule is copied. the process of copying this gene is called this copy is known as and contains the protein building instructions. this copy is sent out into the cytoplasm to the part of the cell known as the the of the ribosome will join together to form a functional ribosome when they attach to the mrna. as the mrna moves through the ribosome, the message is read by transfer rna brings the correct back to the ribosome. the amino acids are placed in the correct order and are hitched together by

What percentage of light hits earth's surface directly?

This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.