When an enzyme catalyzes a reaction:
a. substrate(s bind in the active site
b. products bind in the active site
c. the shape of the enzyme remains unchanged
d. the enzyme is consumed by thereaction?

Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

This is the interaction of two organisms where one is and the other is neither nor harmed.