Q: What do you call large, y-shaped proteins that recognize and bind to antigens? Choices: - proteins - membranes - parasites - antibodies A:
antibodies

Q: What is used to prevent some infectious diseases? Choices: - radiation - pathogens - pesticides - vaccines A:
vaccines

Q: Q: What basic plant structure is the site of photosynthesis? Choices: - nucleus - spores - roots - leaves A:
A: leaves

Question: Q: Because their cells are arranged in bundles, the appearance of skeletal and cardiac muscles is described as what? Choices: - quadrant - cylindrical - incised - striated A:
Answer: striated

*Question*
Q: What would cause warm receptors to signal the hypothalamic thermostat? Choices: - hypothermia - lower temperature - hyperventilation - increased temperature A:
**Answer**
increased temperature

(Q).
Q: What organisms known as decomposers break down wastes and dead organisms into smaller molecules? Choices: - consumers - trees - herbivores - bacteria A:
(A).
bacteria