Recombinant DNA technology has become an increasingly important part of our life. It is used for all of the following EXCEPT
A) vaccine production.
B) enhancing food longevity.
C) synthesis of water.
D) drug production.
E) increasing the nutritional value of food.
C
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Altering patterns of gene expression in prokaryotes would most likely serve an organism's survival by _____
A) organizing gene expression, so that genes are expressed in a given order B) allowing each gene to be expressed an equal number of times C) allowing an organism to adjust to changes in environmental conditions D) allowing young organisms to respond differently than more mature organisms E) allowing environmental changes to alter a prokaryote's genome
The division of the cell's cytoplasm in a eukaryotic cell is known as:
A. cytokinesis. B. cell fission. C. mitosis. D. Answers a and c are both correct.
Compare and contrast the functions of the adrenal cortex and the adrenal medulla. In what way are they similar? In what way to the hormones produced differ in terms of their chemical structure and how their levels are controlled?
What will be an ideal response?
Keratin is an important aspect of nonspecific defense because it
A. is toxic to pathogens. B. creates a physical barrier against pathogens. C. physically restricts pathogens to a specific region. D. destroys pathogens.