Which types of effects are Hox genes responsible for?

Select all that apply.

A. number of body segments
B. number and placement of appendages
C. number and location of fat cells
D. degree of hair coverage
E. animal head-tail directionality
F. size of limbs

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.

What is the difference between bacterial infections and viral infections?

At which location in earth’s interior does the top density continue to increase as thickness decreases?