Which of the following required a protein channel (carrier) to allow molecules to cross the cell membrane (plasma membrane)? (Hint: multiple answers) A. facilitated diffusion
B. osmosis
C. active transport
D. diffusion

According to the cladogram, which organisms have roundworms as a common ancestor?

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 molecules does hemoglobin decay into over time