The coronary arteries supply blood to the heart muscles. Which of the following events would occur in heart tissue following a heart attack due to a block in the coronary arteries? Circle all correct answers
What will be an ideal response?
There would be an accumulation of lactic acid in the tissue due to glycolysis and
fermentation.
There would be a decrease in the production of ATP.
There would be a stimulation of phosphofructokinase, an intermediary enzyme of glycolysis.
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Which one of the following measures has Claudia Gilmore taken to minimize her risk of breast cancer?
A. She gets little physical exercise. B. She eats a poor diet. C. She has undergone a preventative mastectomy. D. She gets little physical exercise and has a poor diet. E. All of the answer options are correct.
Which of the following statements best describes the life cycles of charophyceans and mosses?
A. The diploid generation of charophyceans consists of only one cell whereas the diploid generation of mosses is multicellular. B. The haploid generation of charophyceans consists of only one cell whereas the haploid generation of mosses is multicellular. C. The haploid and diploid generations of charophyceans both consist of only one cell whereas both generations of mosses are multicellular. D. The haploid and diploid generations of both charophyceans and mosses are unicellular. E. All of the choices provided are incorrect.
What is thought to be the reason for the decline of stromatolites? a. Coral bleaching
b. Depletion of oxygen levels. c. Absence of symbiotic mollusks and crustaceans. d. Competition from seaweeds and sponges.
ATP formation in the electron transport system is called ________.
Fill in the blank(s) with the appropriate word(s).