In a nucleosome, . in a nucleosome, . about 174 base pairs of dna are wrapped around an octamer of histone proteins about 147 base pairs of dna are wrapped around a hexamer of histone proteins about 174 base pairs of dna are wrapped around a hexamer of histone proteins about 147 base pairs of dna are wrapped around an octamer of histone proteins

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.

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Asea turtle has washed up on a remote section of a beach. this known as a stranding occurs when a dead,sick or injured sea turtle washed up on the shoreline. which statment best explain why stranding should be reported immediately to local authorities