An antibody is:
A. A tertiary structure with 4 proteins, including a constant and variable region
B. A quaternary structure with 2 proteins, including a constant and variable region
C. A quaternary structure with 4 proteins, including 2 heavy chains and 2 light chains
D. A tertiary structure with 4 proteins, including 2 heavy chains and 2 light chains
Select your answer:
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Biology › ViewWhen animal learns to ignore harmless stimuli like a scarecrow, what type of learning is this?
A. innate learning
B. classical conditioning
C. habituation
D. trial and error learning
Urinary System and Fluid Balance › View
Which of the choices below is NOT a function of the urinary system?
A. helps maintain homeostasis by controlling the composition, volume, and pressure of blood
B. regulates blood glucose levels and produces hormones
C. eliminates solid, undigested wastes and excretes carbon dioxide, water, salts, and heat
D. maintains blood osmolarity