Signaling molecules act locally or regionally to ________
a. all of the choices
b. influence gene expression only
c. regulate growth, development, and reproduction only
d. adjust metabolism only
a
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The structures that line up the chromatids on the equatorial plate during metaphase are called
a. asters. b. polar and kinetochore microtubules. c. centrosomes. d. centrioles. e. histones.
Which of the following lists the correct order of vertebral regions from superior to inferior?
A. sacrum-cervical-thoracic-lumbar-coccyx B. lumbar-sacrum-cervical-thoracic-coccyx C. cervical-thoracic-lumbar-sacrum-coccyx D. thoracic-lumbar-sacrum-cervical-coccyx E. cervical-lumbar-sacrum-thoracic-coccyx
Some flowers are pollinated by bats
Indicate whether the statement is true or false
The most immediate result of destruction of a cell's ribosomes would be
A. protein synthesis would stop. B. destruction of the cell's DNA. C. material would not be able to cross the cell membrane. D. loss of capsule. E. formation of glycogen inclusions.