Ecology question above
...
Answers: 3
Another question on Biology
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
Biology, 22.06.2019 05:30
The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.
Answers: 3
Biology, 22.06.2019 20:30
The human body maintains a temperature of around 98.6 degrees at all times. enzymes are involved in almost every chemical reaction in the body. which of the following describes the connection between these two statements? a. enzymes function best at a specific temperature. b. the body needs to be warm to prevent hypothermia. c. the body is kept relatively warm to prevent too much enzyme action. d. there is no connection between the two statements.
Answers: 1
Biology, 22.06.2019 23:30
Color blindness is a recessive sex linked human trait. if a color blind father and a mother with normal color vision have a color blind son what must be the mothers genotype? a. xn yn b. xn xn c. xn y d. xn xn
Answers: 1
You know the right answer?
Questions
Computers and Technology, 11.11.2020 22:30
Mathematics, 11.11.2020 22:30
Medicine, 11.11.2020 22:30
Mathematics, 11.11.2020 22:30
Mathematics, 11.11.2020 22:30
Physics, 11.11.2020 22:30
History, 11.11.2020 22:30
Mathematics, 11.11.2020 22:30
Mathematics, 11.11.2020 22:30
