On average, adolescents need how many hours of sleep each night for proper growth and brain development?

A. 12

B. 9

C. 5

D. 7

Louisa is playing pool with a friend from school. She strikes the cue ball and watches as it travels across the table and impacts another pool ball.

Did doctors ask Henrietta Lacks' permission to take her cells, and was she paid for them?

If the carbohydrate content of the diet is insufficient to meet the body's needs for glucose, which of the following can be converted to glucose?

Difference between Fast and slow metabolism

A homozygous dominant round seed plant is crossed with a homozygous recessive wrinkles plant. what are the possible genotypes and phenotypes of the offspring AND the percent chance for each?

These are chemical substances with a measurable pH above that of 7.0 on a 0-14 scale.

Jean listed the steps involved in the life cycle of a gymnosperm. 1 - The pollen gets stuck in a sticky liquid. 2 - Sperm from the pollen fertilize the egg in the ovule. 3 - The ovule develops into a seed. 4 - When mature, the seeds are dispersed.

What is the retail price of a silver chain purchased for $45

Explain the role food, water and oxygen play in the creation of ATP or the release of energy from this molecule.

Using what you have learned about carbon bonds and energy in this lesson what can you say about the amount of carbon bonds in this food component compared to the amount of carbon bonds in the other two food components? Why?