Which of the following appeared before the first cells evolved?

A. protists

B. Eukaryotes

C. Archaea

D. protobionts

Which statement is true about sliver and gold? A. They are both made of subatomic particles. B. They both are made only of protons C. They both make up the water molecule D. They are both in every living organisms

Drugs that can be purchased without a prescription as part of self-care are

Do you think humans have a moral obligation to preserve the habitat of the chimpanzee

Many enzymes require metal ions as cofactors due to the inherent properties of the metal ion. Metal ions, when bound to water, will favor the formation of hydroxide ion, which is a strong nucleophile.

What is the full name for DNA

A student monitored tides using a webcam. She noticed that the tide reached different parts of the shore at different times of day. Which factors can explain the student's observations?

In gamete formation, the starting cells in females are the ___ and the

Under a microscope smooth muscles are

Why has the usage of Natural Gas dropped throughout the years?

Which of the following terms defines how the individual organism allocates resources to growth, reproduction, and activities or structures related to survival? survivorship life history energy budget demography