A polynomial f(x) with real coefficients and of degree n has n zeros (not necessarily all different). Some or all are real zeros and appear as x-intercepts when f(x) is graphed. A - Explore real solutions of polynomial equations of the form. where n is even or odd and f is a constant.
Catalase-negative bacteria may be anaerobes, or they may be facultative anaerobes that only ferment and do not respire using oxygen as a terminal electron acceptor (ie. Streptococci). Percentage of H202 used on catalase test: 1  For routine testing of aerobes, 3% hydrogen peroxide is used.atalase-negative bacteria may be anaerobes, or they may be facultative anaerobes that only ferment and do not respire using oxygen as a terminal electron acceptor (ie. Streptococci). Percentage of H202 used on catalase test: 1  For routine testing of aerobes, 3% hydrogen peroxide is used.
The ECST may either miss the presence of significant coronary heart disease, or be a false-positive test, due to a variety of cardiac circumstances, which may include: An abnormal EKG at rest, which may be due to abnormal serum electrolytes, abnormal cardiac electrical conduction, or certain medications, such as digitalis;