Imagine a researcher is trying to genetically engineer this virus so it attacks the lung cells of a human in order to "infect" the host with a particular gene to cure a genetic disorder. Explain which structure the researcher would be most interested in working with in order to get the virus to attack the lung cell of a human.
What will be an ideal response?
Answers may vary but should discuss that the researcher would be interested in identifying the fiber protein. This is the structure that enables the virus to identify and attach to the host. The researcher would want to find a virus that has the correct protein structure that would enable the lock & key fit between the virus and host.
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Two oxygen atoms joined to each other by the sharing of two pairs of electrons form a(n):
A. double covalent bond. B. single bond. C. hydrogen bond. D. ionic bond.
When a dorsal lip from a newt is attached to the ventral side of another embryo, it results in ____
a. two separate newts b. two attached newts c. survival of only the original newt d. death of the newt e. no observable result
The radioactive decay of 14C produces ____
a. carbon 12 b. carbon 13 c. more carbon 14 d. nitrogen 14 e. oxygen 14
Refer to the accompanying figure. What is the function of the structure labeled as 4?
a. digestion
b. food intake
c. water discharge
d. waste elimination
e. asexual reproduction