Biology, 25.07.2019 02:30 sippincoronas

Swine are vulnerable to infection by bird flu virus and human flu virus, which can both be present in an individual pig at the same time. when this occurs, it is possible for genes from bird flu virus and human flu virus to be combined, thereby producing a genetically distinctive virus, which can subsequently cause widespread disease. the production of new types of flu virus in the manner described above is most similar to the phenomenon of

Answers: 1

Show answers

Another question on Biology

Biology, 21.06.2019 13:00

Punctuated equilibrium verses gradualism have long been contested as ways in which species evolve. choose the best evidence for gradualism.

Answers: 3

Answer

Biology, 22.06.2019 01:30

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Answers: 1

Answer

Biology, 22.06.2019 01:50

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

Answers: 1

Answer

Biology, 22.06.2019 04:30

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Answers: 2

Answer

You know the right answer?

Swine are vulnerable to infection by bird flu virus and human flu virus, which can both be present i...

Questions