__________ are the specialized reproductive structures of angiosperms.
Fill in the blank(s) with the appropriate word(s).
Flowers
Biology & Microbiology
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Synovial joints are held together by
a. muscle fibers. b. sarcomeres. c. tendons. d. ligaments. e. myofibrils.
Biology & Microbiology
The potassium channel differs from the sodium channel in that only the sodium channel
a. uses energy to force ions from the cell. b. uses energy to force ions into the cell. c. does not use energy, whereas the potassium channel does. d. is typically open, and does not block ion movement. e. is typically closed, blocking ion movement.
Biology & Microbiology
Early seed plants were pollinated by ________, as are present-day conifers.
A. bees B. beetles C. water D. trilobites E. wind
Biology & Microbiology
oncogene
What will be an ideal response?
Biology & Microbiology