For the carbon cycle and the nitrogen cycle to function properly, which organisms must always be present?
a) decomposers
b) herbivores
c) parasites
d) predators

The use of logic making empirical observations and performing dissections were all part of the scientific studies by

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

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above