Compare and contrast the signal transduction pathway involving cAMP with that involving
phospholipids. What will be an ideal response?
Concepts to Consider: Role of G proteins; adenylyl cyclase versus phospholipase C; DAG and IP3 as
second messengers; protein kinases and calcium channels.
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Meteors strike Earth's atmosphere every day
a. True b. False Indicate whether the statement is true or false
Which of the following is studied by a population geneticist?
a. How selective forces change the allele frequencies in a population over time b. How genetic traits and ecosystems affect the migration patterns of populations c. How embryological development impacts the expansion of a population d. How evolution causes the development of multiple species within a population
Suppose that the first part of a new polypeptide chain being produced in a eukaryotic cell does NOT have a signal peptide. Where would this polypeptide be located within the cell as it is maturing?
a. in the Golgi apparatus only b. in the cytoplasm only c. first in the rough ER, and then in the Golgi apparatus d. first in the cytoplasm, and then in the rough ER
When the method is perfected, it will be possible to transfer "healthy" genes into cystic fibrosis patients via aerosol inhalants to "cure" this genetic disease. Is this type of gene transfer an actual cure or is it a treatment? In other words, could this person still pass along cystic fibrosis genes?
What will be an ideal response?