Which of the following statments is true about all cells? A. They only grown in long strands
B. They are round and hollow
C. They reproduce by dividing
D. They only function when jonied with other cells

How can you approximate the number of calories required to keep you in energy balance?

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 best describes emerging scientific ideas