Researchers can use restriction enzymes and DNA ligase to cut and paste DNA from different sources. The resulting hybrid molecule of DNA is known as:
1.cDNA
2.recombinant DNA
3.Cloned DNA
4.A singlenucleotide polymorphism, or SNP
2
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Every hormone in the human body needs to interact with an appropriate receptor on the target cell's membrane before it can cause a response
Indicate whether the statement is true or false
Some humans have heritable traits that make them resistant to infection by HIV. In areas of the world where HIV infection rates are high, are human populations evolving? Explain your logic.
a. No. HIV infection rates would not affect human evolution. b. Yes. The heritable traits that confer resistance to HIV should increase over time. c. No. The heritable traits that confer resistance to HIV should decrease over time. d. Yes. The heritable traits that confer resistance to HIV should decrease over time.
How many life stages do cnidarians generally have?
a. four b. two c. three d. one e. five
The metabolic pathways that produce ATP may be either ___ or ____ depending on the availability of oxygen.
Fill in the blank(s) with the appropriate word(s).