Q: What paired organs that are part of the urinary system play the prime role in excretion? Choices: - ovaries - liver - lungs - kidneys A:
kidneys

(Question)
Q: What term describes the amount of material present in an object? Choices: - density - volume - weight - mass A:
(Answer)
mass

Ques: Q: What is defined in physics as the amount of force pushing against a given area? Choices: - energy - gravity - resistance - pressure A:
Ans: pressure

(Q).
Q: Tuna have been shown to contain high levels of what metal? Choices: - cadmium - titanium - iron - mercury A:
(A).
mercury

Ques:Q: What separates and strongly unites bodies of adjacent vertebrae? Choices: - synovial fluid - collagen fibers - interstitial fluid - intervertebral disc A:

Ans:intervertebral disc

Question: Q: What is the transfer of information from rna to dna called? Choices: - confront transcription - forward transcription - reverse differentiation - reverse transcription A:
Answer:
reverse transcription