deOxygenated blood, superior vena cava,right atrium, right ventricle, pulmonary artery, lungs
oxygenated blood, Lungs, Pulmonary veins, left atrium, left ventricle, aorta
Answer:
False
Explanation:
Cytosine, guanine, thymine, and adenine are collectively referred to as nitrogenous bases. These are not phosphates. The cytosine, guanine, thymine, and adenine are the four different types of nitrogenous bases. These nitrogenous bases are present in the deoxyribonucleotides. Cytosine and thymine are smaller in structure and have single ring structures. These are collectively called pyrimidines. On the other hand, adenine and guanine are the larger nitrogenous bases each with double ring structures. They are collectively called purines
Answer:A.Human geographer.
Explanation:
Enzymes catalyze chemical reactions involving the substrate (s).
CLOUD FORMATION, he said it under the question but i put it here so it would be easier too find
