What is the sarcoplasmic reticulum? how does it aid in the stimulation of muscle contraction?

Archaea and Eubacteria are kingdoms composed of organisms which: have a membrane-bound nucleus do not have a membrane-bound nucleus are capable of producing their own food have a true nucleus

Jake fell while hiking and sustained a deep cut on his right calf. Which of the following foods will supply the structural component needed for tissue repair?

Which property of connective tissue is fundamental to its function of binding tissues and organs? cells that contain actin and myosin mostly made of protein fibers regenerative properties tightly packed cells

What mainly determines whether a molecule will be transported via endocytosis/exocytosis or via passive transport?

4. What happens to a substance when It dissolves?

What is the best method of suicide

What happens to the water contained in the materials that pass into the large intestine?

What is reconstrutive memory

What percentage of human sperm cells carry an x chromosome?

After a major environmental change, what happens to species that do not adapt or move? i need it fast