<span>The answer is A……A. Salamanders have a
larvae stage that breaths through gills while the adults breaths through lungs.
The larvae stage develops 30 days after
hatching and may metamorphose into an adult (60 days from hatching) ore remain as
larvae to maturity. </span>
Digest With restriction enzyme to linearize, ligate the DNA with the EtBr present (will generate circles), then remove the EtBr by extraction (butanol for example). The DNA will now be negatively supercoiled since Tw + Wr =constant. ;)
Answer:A frozen dinner at a grocery store is purchased for $2.20 wholesale and is marked up by 40 percent. A customer wants to buy four frozen dinners. How much will the customer pay, including paying 9 percent sales tax? Round your answer to the nearest cent.
Explanation: that’s the nearest hundredth.
A hypothesis is an educated guess which means you actually do research and are a little more educated while a guess is when you're not very educated.