If 6 Glucose Molecules are broken down, how many O2 molecules will be used/ needed? *

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

Adistinctive characteristic of mammals that is not observed in other vertebrates is

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.