What are sex chromosome what determines whether a perla is mal or female

What are the intercellular communication types at a synapse? Select all that apply. a. soups - chemical synaptic transmission b. sparks - chemical synaptic transmission c. soups - direct electrical communication d.

What must be true to consider something to be alive?

A cell that contains a nucleus and membrane-bound organelle is A. Multicellular B. Heterotrophic C. Prokaryotic D. Eukaryotic

Dehydration means water loss. synthesize means to put together. explain why the chemical process responsible for building a carbohydrate, a fat or a protein is called dehydration synthesis?

Difference between embryoblast and trophoblast

The land area that supplies water to a river system is called a divide. true or false

How could antibacterial resistance rapidly spread in a bacterial population being treated with an antibiotic?

What happens to energy that isn't transferred to the next trophic levels?

Is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and gradually moves away from the ridge.

What are reverse-transcribing viruses?