Q: Which proteins bind to the surfaces of microorganisms and are particularly attracted to pathogens that are already tagged by the adaptive immune system? Choices: - attractive proteins - mobilize proteins - whereby proteins - complement proteins A:
complement proteins

Q: What part of a bird is adapted for the food it eats? Choices: - teeth - head - eye - beak A:
beak

Q: Q: A, t, g, and c pairs are associated with what substance that is important in genetics? Choices: - plasma - bacteria - blood - dna A:
A: dna

Question: Q: In most animals, what sense is related to balance or equilibrium? Choices: - vision - tasting - feeling - hearing A:
Answer: hearing

*Question*
Q: Both energy and heat can be expressed in units of what? Choices: - amperes - velocities - ohms - joules A:
**Answer**
joules

(Q).
Q: What are non-renewable sources of energy that produce environmental damage? Choices: - crop fuels - sunlight - wind - fossil fuels A:
(A).
fossil fuels