Cytokinins are water-soluble hormones produced in the root apical meristem and stimulate the growth of lateral buds. How do cytokinins reach the lateral buds?
A. by diffusion as a gas
B. through the phloem
C. through the xylem
D. through the phloem and xylem
E. through the phloem and by diffusion as a gas
C. through the xylem
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Which of the following is true about stem cells?
a. All stems cells can develop into any other type of cell. b. Stem cells are unspecialized cells. c. Stem cells are undifferentiated cells derived from embryonic cells. d. Stems cells undergo meiosis to repair damaged tissue.
Four of the five answers listed below are
components of a polymerase chain reaction. Select the EXCEPTION.
a. DNA template b. primers c. DNA ligase d. Taq polymerase e. nucleotides
Gene _____________________ requires the participation of mRNA, tRNA, and _____________________.
Fill in the blank(s) with the appropriate word(s).
Molluscum contagiosum is transmitted by direct contact with skin lesions, fomites, and sexual activity.
Answer the following statement true (T) or false (F)