Describe what is happening at places 1, 2 and 3 in the diagram
What will be an ideal response?
This figure represents how an enzyme works. At number one, the enzyme and substrate come together at the active site of the enzyme forming the enzyme-substrate complex. At number two, the enzyme catalyzes the reaction and transforms the substrate into products, which are then released from the enzyme. At number three, the reaction is complete and the enzyme remains unchanged and free to catalyze the same reaction again on a new substrate.
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Compared to the extracellular fluid, cytosol contains
A) a higher concentration of potassium ions. B) a lower concentration of dissolved proteins. C) almost no glycogen. D) a higher concentration of amino acids. E) almost no lipids.
Oxytocin and ADH are produced in the posterior pituitary
Indicate whether the statement is true or false
The formation of memory cells against a particular disease-causing microorganism can only occur after the person actually has the disease
Indicate whether the statement is true or false
The kidneys attempt to increase hemoglobin levels in the body by the release of ________
A) Erythropoietin B) Oxygen C) Iron D) Erythrocytes