Which of the following are long cylindrical structures that lie parallel to the muscle fiber?
a. myofibril
b. sarcolemmas
c. myofilaments
d. sarcomeres
a. myofibril
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Match the following items with the correct phrases.
_______1. Membrane-bound organelles where photosynthesis occurs. _______2. The sites of protein synthesis in procaryotic cells. _______3. Considered a “packaging plant,” where proteins are packaged into membrane-bound vesicles. _______4. Membrane-bound organelles where energy is produced by the Krebs cycle and electron transport chain. _______5. Found in procaryotic cells as well as eucaryotic cells. a. plastids b. mitochondria c. ribosomes d. endoplasmic reticulum e. golgi complex
What do the two daughter cells generated by the first asymmetric division of the plant zygote become?
A. the suspensor and the embryo B. the epicotyl and the hypocotyl C. the root and the shoot D. the egg and pollen E. the xylem and the phloem
Antibodies ________
A) are shaped like the letter B B) are generalists in that any antibody can bind to any antigen C) assist in destroying particular antigens D) are produced by T cells
Sourdough bread is produced using
A. yeast. B. Aspergillus oryzae. C. lactic acid bacteria. D. both yeast and lactic acid bacteria. E. both Aspergillus oryzae and lactic acid bacteria.