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The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

Alaboratory investigation included examine prepared slides of pond water singled celled organisms with a nucleus and either cilia or flagella were visible these organism probably belong to the kingdom

Accuracy in the translation of mrna into the sequence of amino acids in a polypeptide depends on specificity in which of the following? 1) binding of ribosomes to mrna 2) shape of the a and p sites of ribosomes 3) attachment of amino acids to trnas 4) bonding of the anticodon the codon and the attachment of amino acids to trnas