James was observing cells under a microscope. He observed some cells which had a layer outside the plasma membrane. What is this layer called?

A. Cell membrane

B. Cell wall

C. Nuclear membrane

Why did Mendel use pea plants in his experiments? O A. They are haploid organisms. O B. They have no dominant traits. O C. They produce many offspring. O D. They are all male.

How a hydroelectric power plant works, including why dams are built as parts of large hydro power plants

Sheila is recovering from a serious stroke that damaged her frontal cortex. Which outcome is most likely?

Describe what reclaimed water is and explain what it is typically used for.

How many amino acids are found in living organisms? 2 5 10 20

Why is the endangered species act often a center of controversy? scientists want to make all species endangered. animals are listed that are not worth saving. endangered species cannot be moved to similar habitats not threatened by construction.

Any disorder associated with the Y chromosome

What type of organic molecule is a starch

You will try to view as many cell organelles as you can at different magnification levels. Write an investigative question that you can answer in doing so

Geography, among other things, is responsible for the rise and fall of great civilizations. What three things were responsible for the rise and fall of some of the great Mesoamerican civilizations in the Americas?