Using your knowledge of DNA, why do you think we need RNA, if we already have DNA in our bodies?

After performing rescue breathing on an adult for about 2 minutes, you look for movement and recheck for breathing and a pulse. You find that the adult no longer has a pulse. Where should you position your hands on the adult for CPR?

The synthesis (s) phase is characterized by

How has wireless technology affected society? Check all that apply. A) Many cities have laws that accommodate cell phone use while driving. B) Communities educate the public about the dangers of texting and driving.

A scientsist is testing the effect of light on plants. He takes one plant and sets it on the window sill where it receives light for approximately 10 hours a day. The other plant he places in a dark refridgerator where it receives no light.

The pond waters in a location in Florida had an unusual taste and smell. Investigations revealed that storm water runoffs had carried huge amounts of animal wastes into the pond waters.

redwoods are the tallest species of tree in the world. explain how transpiration causes water to travel from the roots to the branches of a tree this size.

During photosynthesis, chloroplasts use light energy to convert carbon dioxide and water into sugar and oxygen. Which term best classifies the energy stored in the products of photosynthesis?

What did Chargaff discover while studying bases in the DNA of organisms? The bases in the DNA of each organism were unique. The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.

What is one way a plane can form?

Where does diffusion take place