[Solved] Which of the following correctly explains why the CK₁ isoenzyme is typically not detected? A)The molecular weight of CK₁ prevents its passage across the blood-brain barrier, thus it does not appear in the blood stream. B)CK₁ is not very chromophoric, making it difficult to detect its presence. C)CK₁ is completely destroyed by plasma enzymes as soon as it enters the blood stream. D)CK₁ is a neutral molecule and cannot be analyzed by electrophoresis. Males: The male sex of a species, characterized by traits, reproductive roles, and secondary sexual characteristics that differ from the female sex. Selfish Herd Hypothesis: A theory suggesting that individuals can reduce their predation risk by positioning themselves within a group, thus exploiting the protection offered by the collective. Assassin Bug: A member of the Reduviidae family, known for their predatory behavior and method of injecting toxic saliva into their prey. Sleeping Cluster: A behavior observed in some animals, including naked mole rats, where individuals sleep closely together for warmth, safety, or social bonding.