In the Northern Hemisphere, climate scientists observe seasonal fluctuations in carbon dioxide concentration with the highest levels measured in May and the lowest in October. Hypothesize how photosynthesis can account for these fluctuations. Explain your answer in three to five sentences.(4 points)

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 statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Approximately what wavelength of light is best absorbed by chlorophyll a