What does tRNA use anticodons or codons

Apatient is in need of hydration. which type of solution are the patient's cells most likely in?

Which system revise and send electrical signals throughout the body

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth