A parent with type ab blood could not produce a child with what type blood

How do animals survive without cell walls?

An individual muscle cell within each skeletal muscle is called a

An energy pyramid is shown. Which sentence best describes how energy flows through this pyramid? A) Energy is transferred down each level of the energy pyramid. B) The energy lost at each level is consumed by organisms in the top level.

Exocytosis and endocytosis sort the phrases into the appropriate bins depending on whether they describe exocytosis, endocytosis, or both.

A neutral atom can be negatively charged by

Who was the first person to see and identify cells? a Matthias Schleiden b Robert Hooke c Anton van Leeuwenhoek d Robert Brown

How did the Miller-Urey experiment impact the way scientists think about the origins of life? Use what you know about the Miller-Urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another

Which is the term for a drug that increases the activity of the nervous system?

All organisms require nitrogen to make amino acids, which in turn are used to build what?

Explain why the energy of the product might be lower than the energy of the reactants