Which of the following best explains why negative urine is needed for toxicologists? O To observe what a sample behaves like when a drug is not present
To analyze what odor a sample gives off
To establish what drugs could potentially be in the sample
To understand if the drugs within a sample are legal or illegal

format change of dna.  

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.