Plant's main photosynthetic pigments are known as xanthophyll and carotenoids.
A. True
B. False
B. False
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Tendons:
A. connect muscles to bones. B. connect muscles to other muscles. C. connect bones to other bones. D. connect the axial and appendicular regions of the skeleton together. E. protect the surfaces of bones at a joint.
The manufacture of fertilizer is an energy-intensive process that uses ________ gas to reduce N2 to NH4+ at high temperature and pressure.
Fill in the blank(s) with the appropriate word(s).
In muscle function at the sarcomere level, the formation of cross-bridges is regulated by the binding of ________ ions to ________.
A. calcium; tropomyosin B. sodium; troponin C. sodium; tropomyosin D. calcium; troponin E. calcium; myosin
Treatment of an animal bite for possible rabies includes
A. infusion of the wound with human rabies immune globulin (HRIG). B. washing bite with soap or detergent. C. postexposure vaccination with HDCV. D. debridement. E. All of the choices are correct.