Describe the procedure used to produce a transgenic cow that will produce human growth hormone in their milk.
What will be an ideal response?
Answers may vary but should include:
1. Identify the growth hormone gene in a human
2. Isolate and remove the gene from a human
3. Inject the gene into a donor egg of a cow
4. Insert the donor egg into a surrogate mother
5. Genetically engineered offspring develops within the surrogate mother
6. When the offspring is born it will contain the gene to produce human growth hormone within its milk
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Enzymes aid in metabolism by ____
a. changing the DG of the reaction b. adding additional reactants to the system c. slowing the rate of some reactions and increasing the rate of other reactions d. stabilizing the transition state e. removing unused reactants from the system
In Arabidopsis plants, about 10% of its genome is devoted to processes tied to which molecule?
A. Gibberellins B. Phytochrome C. Ubiquitin D. Rubisco E. Auxin
Natural selection operates to produce changes in
a. individuals. b. populations. c. races. d. phyla. e. animals only.
In the human heart, ____.
A. ventricle walls are more thickly muscled than the atrial wall. B. atrial contraction helps to drive blood circulation throughout the body. C. the right ventricle has thicker walls than the left ventricle. D. the left ventricle pumps blood to the lungs. E. the atrial walls are as thick as the ventricle walls.