A bacterium that lacks an arginine biosynthetic pathway would still be able to make proteins with arginine and grow only if arginine is supplemented into the growth medium
Indicate whether the statement is true or false.
Answer: TRUE
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In bacterial synthesis of polysaccharides, such as starch and glycogen, glucose is donated to the end of the growing chain by ADP-glucose. A similar reaction occurs in bacterial branching of phospholipids when phosphatidic acid is attached to a ________.
A. dihydroxyacetone phosphate B. fatty acyl-ATP C. acetyl-CoA D. cytidine diphosphate carrier
What is consistent about the structure of all of the different types of neurons shown above (Fig. 35.5)?
A. Each type has a region, called the cell body, which contains the nucleus. B. Each type has a series of projections, called the dentrites, specialized for receiving information. C. Each type has a region, called the axon, specialized for transmitting information. D. All aspects of neuronal structure are completely consistent in the diagrams shown above. E. Each type has a region, called the cell body, which contains the nucleus; each type has a series of projections, called the dentrites, specialized for receiving information; each type has a region, called the axon, specialized for transmitting information, but not all aspects of neuronal structure are completely consistent in the diagrams shown above.
During the process of filtration, what part of blood passes through the filter?
a. red blood cells b. white blood cells c. plasma proteins d. capillary endothelial cells e. plasma
The most prevalent antibody class in the blood is
A) IgD. B) IgM. C) IgA. D) IgG. E) IgE.