What element is found in proteins but not in carbohydrates and lipids?

A scientist observed a certain type of a particular bacteria growing in a substance that had a 1,000 times higher amount of the antibiotic that targets this bacteria.

Explain why a circulatory system is important in meeting the needs of all cells throughout an animal's body Explain your answer

Usually blood pressure is measured on the arm at the same level as the heart. How would the results differ if the measurement were made on the leg instead?

A team of environmental biologists is studying the concentration of mercury in tilefish. They catch 200 tilefish in the same area in the Gulf of Mexico, and take muscle tissue samples from an identical site in each fish.

What occupies most of the volume of an atom?

An object has a kinetic energy of 32 J and a mass of 36 kg, how fast is the object moving?

In multicellular eukaryotic organisms, the production of new cells follows a highly regulated sequence of growth, DNA replication, and division. This sequence is referred to as the cell ___, which consists of the G1, S, G2, and M phases.

A 210 gram piece of metal has a volume of 81 cm3. What is the density of this metal?

If you ate a samples of the different carbohydrates seen here, how would the available energy differ from each source and why?

In the disease osteoporosis there is a significant loss of spongy bone. explain how the loss of this specific bone material can weaken a bone.