The term "archenteron" refers to the developing:a
gut.
b. lung.
c. notochord.
d. nerve tube.
e. skin.
a
You might also like to view...
A goal of genomics is to ________
A) understand the mechanisms that control gene expression B) provide a way to produce large quantities of a particular gene product C) manipulate genetic material for human purposes D) regulate how genes are expressed without changing the protein they encode
What was the purpose of the spark chamber in this experimental apparatus?
a. To generate heat
b. To produce ATP
c. To stop the reaction
d. To generate lightening
e. To produce UV radiation
A functional advantage of having human testes in the scrotum rather than in the abdomen is
A. a shorter sperm duct. B. lower temperature. C. greater protection to the testes. D. lack of room in the abdomen. E. more direct blood supply.
In the wake of the Ebola outbreak in West Africa in 2014-2016, researchers observed infectious Ebola virus is present in the eyes and semen of infected individuals months after apparent recovery from the acute stage of the disease. Based on information in this chapter, propose an explanation for this observation.
What will be an ideal response?