An animal cell has 2.0% salt concentration. it is placed into a solution with a .05% salt concentration.
is the solution hypertonic, hypertonic, or isotonic?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome