Which of these describes a difference between viruses and cells? A: Viruses have membranes made of proteins, and cells have membranes made of nucleic acid.
B: Cells contain protein, and viruses contain only carbohydrates.
C: Cells reproduce independently, and viruses require a host to reproduce.
D: Viruses have flagella, and cells have only cilia.

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?

Which of the following is required of a new drug?me