Q: Which enzyme is used in step three of the polymerase chain reaction because of it's ability to withstand high temperatures? Choices: - minocycline polymerase - carbon polumerase - backronym polymerase - taq polymerase A:
taq polymerase

(Question)
Q: Amines are classified according to the number of carbon atoms bonded directly to what atom? Choices: - helium - oxygen - hydrogen - nitrogen A:
(Answer)
nitrogen

Ques: Q: What kind of solids are generally classified by the forces that hold their particles together and include ionic, metallic, covalent network, and molecular types? Choices: - distinct solids - helium solids - flat solids - crystalline solids A:
Ans: crystalline solids

(Q).
Q: In addition to a vibrating electric field what does an electromagnetic wave consist of? Choices: - radiation field - molecular field - gravitational field - magnetic field A:
(A).
magnetic field

Ques:Q: Both pathways that isolate a population reproductively in some form, allopatric and sympatric describe what, which means the creation of new species? Choices: - accumulation - extinction - bacterial - speciation A:

Ans:speciation

Question: Q: What third property is different if two boxes have the same volume but one has greater mass? Choices: - oxygen - output - diameter - density A:
Answer:
density