Which of these would be an effective method of controlling yeast populations in a test sample?
a. constant stirring to break up biofilms
b. percolating oxygen through the sample
c. adding enzymes to inhibit mating factor
d. adding antibiotics to the test sample
c. adding enzymes to inhibit mating factor
You might also like to view...
Answer the following statements true (T) or false (F)
1. Red blood cells are derived from endoderm. 2. The posterior end of the neural tube will develop into the brain. 3. Cleavage occurs after implantation into the lining of the uterus. 4. The probability of the immune system attacking a transplanted organ as opposed to transfused blood is higher.
Which immunoglobulin is able to pass the placenta to protect the fetus from pathogens?
a. IgG b. IgA c. IgD d. IgM e. IgE
When a photon is absorbed by a pigment (light-absorbing molecule), such as chlorophyll, the energy of the photon is transferred to
A) D1 protein to activate PSII. B) ATP synthase to make ATP. C) an electron to move it from a low to a high energy orbital. D) Plastocyanin to be passed on to PSI. E) NADP+ to make NADPH.
An apoenzyme requires ________ to be active.
A. substrate-level phosphorylation B. a cofactor C. an allosteric inhibitor D. a holoenzyme E. substrate