Ques: Q: What protein is produced when a plasma cell is stimulated by antigens? Choices: - collagen - dystrophin - keratin - immunoglobulin A:
Ans: immunoglobulin

Ques: Q: The outermost layer of the leaf is the epidermis; it is present on both sides of the leaf and is called the upper and lower epidermis, respectively. botanists call the upper side the adaxial surface (or adaxis) and the lower side this? Choices: - dorsal surface - posterior surface - anterior surface - abaxial surface (or abaxis) A:
Ans: abaxial surface (or abaxis)

Ques: Q: Inserting copies of normal genes into a patient with defective genes is known as? Choices: - pattern therapy - cloning - chromosome treatment - gene therapy A:
Ans: gene therapy

Ques: Q: What term means controlling body temperature within a narrow range from the inside through biochemical or physical means? Choices: - exothermy - regulation - evaporation - endothermy A:
Ans:
endothermy