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Questions in biology

[Answered] What type of blood vessel carries oxygenated blood away from the heart? A) Arteries B) Veins C) Capillaries D) Arterioles

[Answered] What is the primary function of the lymphatic system? A. Transporting excess interstitial fluid back to the blood B. Transporting oxygen to tissues C. Filtering blood D. Producing red blood cells

[Answered] The transfer of hydrogen ions across the membrane generates a potential energy gradient. True or False

[Answered] When providing feedback to children, teachers should: A. be specific and relate observations to STEM concepts B. be general and quick with a statement like 'Good job!' C. make sure all children are paying attention when they are about to receive feedback D. only provide feedback when a child is successful at a task

[Answered] What is the primary plasma protein responsible for maintaining osmotic pressure in the blood? A. Fibrinogen B. Globulin C. Hemoglobin D. Albumin

[Answered] Which of the following blood components is involved in the immune response? A) Erythrocytes B) Platelets C) Fibrinogen D) Globulins

[Answered] The A. content B. process C. context D. None of the above is what you do to help children learn.

[Answered] Furthermore, ALL organic molecules on Earth can best be described by which of the following statements? A. Organic molecules are naturally produced on earth. B. Organic molecules on earth are all safe and necessary for life on earth. C. Not all organic molecules are natural and safe for life on earth.

[Answered] What causes the 'lub' sound in heart sounds? A) Atrial contraction B) Ventricular contraction C) Closing of the semilunar valves D) Closing of the AV valves

[Answered] What substance triggers the formation of fibrin from fibrinogen? A) Collagen B) Calcium ions C) Prothrombin D) Thrombin