Hemoglobin: a) binds oxygen with a higher affinity than myoglobin due to the presence of four heme groups vs. only one in myoglobin.
b) binds oxygen with a lower affinity than myoglobin due to the presence of four heme groups vs. only one in myoglobin.
c) binds to oxygen with a lower affinity than myoglobin due to the presence of the T-state that is absent irn myoglobin.
d) binds to oxygen with a higher affinity than myoglobin due to the presence of the R-state that is absent in myoglobin.

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.

Which of the following best describes gluconeogenesis? -creation of glycogen from glucose-breakdown of glycogen into glucose-conversion of glucose to fat-synthesis of glucose from noncarbohydrate sources

Question 1 of 205 pontsthe graph shows the size of two populations of the same species over time.area aarea b.