100% correct ATI Teas Test: Science Section questions and answers

What is the primary function of mitochondria in a cell? A. Protein synthesis B. Energy production through ATP C. Lipid storage D. Genetic information storage ️️ B. Energy production through ATP Which part of the brain controls balance and coordination? A. Cerebrum B. Cerebellum C. Medulla D. Hypothalamus ️️ B. Cerebellum Which blood component is responsible for clotting? A. Plasma B. Red blood cells C. Platelets D. White blood cells ️️ C. Platelets What is the basic unit of life? A. Tissue B. Organ C. Cell D. System ️️ C. Cell Which organ is primarily responsible for detoxification in the human body? A. Kidney B. Liver C. Lung D. Pancreas ️️ B. Liver What type of macromolecule are enzymes? A. Lipids B. Carbohydrates C. Proteins 2 D. Nucleic acids ️️ C. Proteins Which process allows plants to make glucose using sunlight? A. Respiration B. Photosynthesis C. Fermentation D. Transpiration ️️ B. Photosynthesis What is the pH of a neutral solution? A. 0 B. 7 C. 14 D. 10 ️️ B. 7 Which organ system is responsible for transporting oxygen and nutrients? A. Nervous system B. Digestive system C. Circulatory system D. Respiratory system ️️ C. Circulatory system What is the function of ribosomes? A. Lipid synthesis B. Protein synthesis C. Energy storage D. Waste removal ️️ B. Protein synthesis Which gas is most important for human respiration? A. Carbon dioxide B. Oxygen C. Nitrogen D. Hydrogen ️️ B. Oxygen What is the smallest particle of an element? A. Molecule B. Compound C. Atom D. Cell ️️ C. Atom 3 Which structure in the kidney filters blood? A. Nephron B. Alveoli C. Neuron D. Villus ️️ A. Nephron What is the function of white blood cells? A. Oxygen transport B. Clot formation C. Immune defense D. Hormone production ️️ C. Immune defense Which vitamin is essential for calcium absorption? A. Vitamin A B. Vitamin C C. Vitamin D D. Vitamin K ️️ C. Vitamin D What is the main function of the large intestine? A. Protein digestion B. Water absorption C. Hormone secretion D. Oxygen exchange ️️ B. Water absorption Which structure carries genetic information? A. Ribosome B. DNA C. Enzyme D. Glucose ️️ B. DNA What is the function of the alveoli? A. Filter blood B. Gas exchange C. Pump blood D. Digest food ️️ B. Gas exchange Which element is most abundant in the human body? A. Oxygen B. Carbon 4 C. Calcium D. Iron ️️ A. Oxygen What type of bond involves sharing electrons? A. Ionic bond B. Covalent bond C. Hydrogen bond D. Metallic bond ️️ B. Covalent bond Which system regulates hormones in the body?