Which of the descriptions of the processes is ONLY part of mitosis?

Dividing genetic information into half the orignal amount

Growth and devlpoment

Reclicating DNA

Combining genetic information from two parents

How would the immune response be affected if macrophages were absent 

An engineering company is hired to improve the efficiency of a transmission line. In their report, they discuss ways that will allow them to reduce the current by a factor of four. Assuming that this is done, by what factor will the power losses be reduced?

 transformer is found with 16 turns of wire on its primary coil and 96 turns of wire on its secondary coil. This is a ­­__i__ transformer. It will multiply the primary current by __ii__ assuming that it is an ideal transformer.

Staff in a dental office should be vaccinated so that they will be protected against infection if they are accidentally exposed to hepatitis B.

Place the following events involved in an immune response to a hepatitis B vaccination in the correct order.

B cells secrete antibody molecules.

Hepatitis B antigens enter the body.

Memory T cells are produced.

Helper T recognize foreign invader and coordinates response.