Coupled reactions are important components of human physiology. Describe an example of a coupled reaction in the human body
What will be an ideal response?
A coupled reaction is when an exergonic reaction provides the energy needed to drive an endergonic reaction. One example is when the chemical breakdown of sugars in the human body (exergonic reactions) is used to fuel essential endergonic reactions such as muscle contractions.
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Which of the following comparisons of oviparity and viviparity is incorrect?
A. In viviparity, the mother has a lower metabolic investment in her young than in oviparity. B. Viviparity occurs in most mammals; oviparity occurs in birds. C. In viviparity, fertilized eggs are retained within the mother; in oviparity, the fertilized eggs are released into the environment. D. In viviparity, there is parental care; there is no parental care in oviparity. E. In viviparity, the fertilized egg does not need protection from dessication; in oviparity the fertilized egg often needs protection from dessication.
Which leaf tissue would be most directly affected by a non-functional rubisco enzyme?
A. cuticle B. mesophyll tissue C. upper epidermis D. lower epidermis E. stoma
The common term for the action of transferring pollen grains from an anther onto a stigma is:
a. pollination. b. fertilization. c. reproduction. d. intercourse. e. None of the above is correct.
Which type of microscope has the best resolution?
A) An electron microscope B) A modern light microscope C) Leeuwenhoek's microscope D) Hooke's microscope