(Question)
Q: Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms? Choices: - metastasis rhythms - brain rhythms - reproductive rhythms - circadian rhythms A:
(Answer)
circadian rhythms

(Question)
Q: Under which process do living things with beneficial traits produce more offspring? Choices: - migration - differentiation - evolution - natural selection A:
(Answer)
natural selection

(Question)
Q: Snake venom may join the class of drugs collectively known as thrombolytic agents, which can help speed up the degradation of an abnormal what? Choices: - brain - bleed - bone - clot A:
(Answer)
clot