Apatient can't feel his fingers after a hard fall on his arm during a wrestling match. the doctor suspects nerve damage. what part of the patient's peripheral nervous system could be injured?

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii

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.