a universal donor a; has only antigen A in her red blood cells b;lacks antigens in red blood cells c;has both antigens and antibodies in her blood d;lacks antibodies in her serum

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

Scientific evidence is most likely to be consistent if it is based on data from