Which species of Epsilonproteobacteria is responsible for causing peptic ulcers in humans?
a. Campylobacter jejuni
b. Helicobacter pylori
c. Myxococcus xanthus
d. Pseudomonas aeruginosa
Answer: B
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In substrate-level phosphorylation, ATP storage is depleted during the steps in catabolism of the fermentable compounds
Indicate whether the statement is true or false.
Answer the following statements true (T) or false (F)
1. Plant cell membranes contain cholesterol. 2. Diffusion is the movement of a molecule from an area of high to low concentration. 3. Osmosis describes the movement of water from an area of high to low solute concentration. 4. Movement of molecules down their concentration gradient can drive the movement of a different molecule against its concentration gradient.
The most common eukaryotic ribosome carries out its function in the
A. Golgi apparatus. B. nucleus. C. cytosol. D. mitochondria. E. chloroplast.
How many dendrites does each olfactory neuron extend into the olfactory epithelium?
a. one b. twenty c. five d. two