Similar cells that are grouped together and perform a common function are called

A young man develops skin cancer that does not spread to any other tissues. The mutation responsible for the cancer arose in a single cell in his skin.

Is the most primitive part of the human brain and includes structures that are responsible for regulating heartbeat and respiration, screening sensory information, and regulating sleep and wake cycles?

Are atoms constantly being made? Are there the same amount today as there were when the earth was made?

What controls when and how fast cells grow and divide?

Much like carbon, the recycling of nitrogen through Earth's spheres relies heavily on what type of organism?

Whenever biological organic compounds, such as proteins and carbohydrates, are broken down or synthesized ...

What is the monomer of a carbohydrate

Jill has found evidence that suggests that individual volcanoes produce igneous rocks with a certain chemical signature. She predicts that scientists could use an igneous rock's chemical signature to determine where the rock came from.

Which best describes dynamic equilibrium? There is a difference in concentration on either side of the cell membrane. There is an uneven distribution of particles inside and outside the cell.

Proposed a theory to explain the origin of life on earth