Fermentation occurs in:
A. anaerobic organisms only.
B. some aerobic organisms, such as yeast,
even in the presence of oxygen.
C. only in bacteria, fungi, and plants.
B
You might also like to view...
At the doctor's office, you may have noticed that when you are asked to "breathe deeply," your chest rises and falls more dramatically than when you are breathing normally. Why?
A. Your intercostal muscles are being used to expand your chest cavity. B. Your spiracles are being used to expand your chest cavity. C. Your air sacs are being used to expand your chest cavity. D. Your bronchioles are being used to expand your chest cavity.
Which of the following is correctly matched with its description?
A. Highly repetitive DNA contains transposable elements and genes that are expressed in abundance and thus have many copies. B. Moderately repetitive DNA contains unique sequences, such as genes found in one or a few copies. C. Non-repetitive DNA is composed of thousands of copies of many short repeats. D. Moderately repetitive DNA contains retro elements, such as the Alu sequence. E. Moderately repetitive DNA contains transposable elements and genes that are expressed in abundance and thus have many copies
Sea cucumbers will ____ when environmental conditions deteriorate
a. eject their digestive tract, respiratory structures, and gonads b. crawl to an area with more favorable conditions c. form a resistant spore d. float to the surface and then later drop to a more favorable location e. crawl deep into the ocean mud on the bottom
A microbiologist decides to use a nutrient medium that contains thioglycolic acid. What type of microbe is she attempting to culture?
A. gram negative B. fastidious C. virus D. anaerobe E. gram positive