18. The diagram for the structural formula of ethanol shows the elements and their arrangement.
What does the circled part of the diagram represent?
A. an atom
B. any ion
C. one molecule
D. an electron

First problem: for each of the following sequences, fill in the mrna sequence, the amino acid sequences, and the rrna anticodonsthat have been left blank.a) dna: atácga aatcgcgatcgcggcgattoggb) mrna: ? c)codon: ? d)anticodon: ? e)amino acids: ? second problem: see abovea) dna: titaoggccatgaggga a tagtig gillarib)mrna: ? c) codon: ? d)anticodon: ? e) amino acids: ? third problem: see abovea) dna: tacgggcctat acgctactactca tgsatcggb) mrna: ? c)codon: ? d)anticodon: ? e)amino acids: ?

In what for do plants utilize nitrogen? why do they need nitrogen?

What element is able to combine with itself and hydrogen to form large molecules ?