Q: Choosing to not smoke and using sunscreen are examples of lifestyle choices that help prevent forms of what disease? Choices: - pnemonia - bacterial disease - viral disease - cancer A:
cancer

Q: What type of device uses electromagnetic induction to change the voltage of electric current? Choices: - radioactive transformer - hot transformer - mechanical transformer - electronic transformer A:
electronic transformer

Q: Q: The tyndall effect refers to the scattering of what by colloidal particles? Choices: - primary colors - dark matter - dust mites - visible light A:
A: visible light

Question: Q: What land mammal has the longest gestation period? Choices: - Rhino - Giraffe - Asian elephant - african elephant A:
Answer: african elephant

*Question*
Q: What term is used to describe a bond formed by the overlap of orbitals in an end-to-end fashion, with the electron density concentrated between the nuclei of the bonding atoms? Choices: - beta bond - lattice bond - rna bond - sigma bond A:
**Answer**
sigma bond

(Q).
Q: Restriction enzymes or restriction endonucleases are prokaryotic enzymes that recognize and cut what at specific sequences? Choices: - mitochondria - bacteria - rna - dna A:
(A).
dna