If the half-life of a radioactive isotope is 5,000 years, how many grams of the radioactive isotope in a specimen will be left after 10,000 years if you start off with 100 grams of the radioactive isotope?

Type of essential organic compound that is used for structure and support as well as acting as catalysts. A. Proteins B. Carbohydrates C. Nucleic Acids D. Lipids

If a starch-digesting enzyme were added to a sports gel that lists starch as an ingredient which substance would increase in concentration?

Based on the information in the table, what can you conclude about the density of the Earth's layers? A) The density of the layers decreases as the pressure increases. B) The density of the layers increases as the temperature decreases.

A skateboarder has an initial velocity of 3 m/s West and comes to a stop in 2 seconds. What is the skateboarder's acceleration? (Remember ... final velocity is stopped.)

The humerus is the long bone that extends from the shoulder to the elbow. Which skeletal system does the humerus belong to? spongy skeleton compact skeleton axial skeleton appendicular skeleton

Why is the roof of the Hearst Tower designed to collect rainwater? Check all that apply. 1. to reduce the amount of water dumped into the city's sewer system 2. to replace water lost to evaporation in the office air-conditioning system 3.

If two parents are homozygous dominant for a recessive trait, what is the probability they child does not have this trait?

T/F The Space Race provided no direct technological or other benefits to society

The disease characterized by the unrestrained growth of abnormal cells in or on tissues of the body is known as:

The cell membrane is made up of what?