Q: What are the two divisions of vascular plants? Choices: - root and seed - seedless and semi-seeded - aquatic and terrestrial - seedless and seed A:
seedless and seed

Q: Four haploid spermatids form during meiosis from what? Choices: - the zygote - the sister chromatic - the ova - the primary spermatocyte A:
the primary spermatocyte

Q: Q: Lack of what mineral causes rickets? Choices: - zinc - potassium - magnesium - calcium A:
A: calcium

Question: Q: Gene expression is regulated primarily at the what level? Choices: - manufacturing - translational - binding - transcriptional A:
Answer: transcriptional

*Question*
Q: What is generated when a heart ventricle contracts? Choices: - vein pressure - blood force - artery pressure - blood pressure A:
**Answer**
blood pressure

*Question*
Q: Exemplified by cesium, which ignites spontaneously in air, pure elements with a high metallic character tend to be very what? Choices: - radiactive - inactive - proactive - reactive A:
**Answer**
reactive