Which of the following is a possible use for gene cloning?
A. Cloned genes can be introduced into bacteria or livestock to make pharmaceutical products such as insulin.
B. Cloned genes can be introduced into plants and animals to alter their traits.
C. Cloned genes can be used to treat diseases.
D. Large amounts of protein can be produced to study structure and function.
E. All of the choices are correct.
E. All of the choices are correct.
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Pyogenic streptococci usually produce ________-hemolysis when cultured on blood agar.
Fill in the blank(s) with the appropriate word(s).
Although a small fraction of the citric acid used in the food and beverage industry is produced by microbial fermentation, most industrially used citric acid is derived directly from citrus fruit.
Answer the following statement true (T) or false (F)
Stomata open when K+ concentration in guard cells ____, followed by water ____ the guard cells by osmosis
a. increases; entering b. decreases; entering c. decreases; leaving d. increases; leaving e. increases H+; leaving
During photosynthesis in a leaf, sugars are loaded into the sieve tube by , followed by to move water which increases pressure.
A. osmosis; gravity B. gravity; active transport C. active transport; osmosis D. osmosis; facilitated diffusion E. facilitated diffusion; osmosis