Describe the molecular and genetic evidence from extant and extinct organisms that indicates all organisms on earth share a common ancestral origin of life.

DNA in a cell replicates. Of what is this an example? A. Intracellular communication B. Enzyme-linked receptors C. Ion Channel-linked receptors D. Intercellular communication

How Do Seizures Affect The Different Parts of The Brain/Which Parts?

What happens to an enzyme when it performs its function?

Write a small story on how you will use your nervous system when you SEE a fire in a car or house. How will the nervous system respond when you get anxious because the fire is in front of you.

What prevents food from entering the nasal cavities?

Uniformitarianism is the concept that the processes that are at work on earth today are the same processes that shaped the early history of earth

What factor determines that an oxygen atom can form two covalent bonds while a carbon atom can form four covalent bonds?

In the nuclei or mitocandria

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

What is the monomer of a carbohydrate