0
The Answers community requests more information for this question. Please edit your question to include more content and resubmit. Check your spelling and make sure your question makes sense.
Wiki User
∙ 9y ago
Add your answer:
Earn +20 pts
Which statement best describes the use of a catalyst in a fuel cell?
It increases reaction rates
What is the major positive ion outside of cells?
Sodium is the major positive ion outside the cell. Potassium is the major positive ion inside the cell.
What term describes the difference in the concentrations of a substance across a cell's membrane?
concentration gradient
In a wet cell electrons move from the negative electrode to the positive electrode?
A wet cell refers to a primary electric cell wherein the electrolyte is a liquid. It is true that in a wet cell, electrons move from the negative electrode to the positive electrode.
2 major oxidizing agents of cell?
An oxidizing agent tends to release oxygen when the temperature rises over a certain point. Two major oxidizing agents of the cell are oxygen and ferric salts.
Which statement best describes the use of a catalyst in a fuel cell?
It increases reaction rates
What statement best describes a function of a nerve cell?
A nerve cell (neuron) transmits information from a part of the body to the brain
What statement best describes extracellular digestion?
large insoluble molecules are converted to small soluble molecules outside the cell
What statement best describes the role of the cell membrane?
The cell membrane controls what goes in an out of the cell.
Scientists developing biotechnologies often use vectors in their research Which statement best describes what a vector is?
It carries a piece of DNA into a cell.
What statement best describes a change that would most likely be observed in the cells formed as s result of mitotic cell division?
One cell becomes two cells that have identical copies of DNA.
What describes the major role of lipids within a cell?
They are the main structural components of membranes
What are a cell's three major subdivisions?
cytoplasm, organelles and nucleus the cytoplasm is the liquid inside the cell the organelles are structures inside the cytoplasm and the nucleus contains the cells DNA
What fluid mosaic model describes the?
Cell Membrane
What is the liquid portion of a cell?
The liquid part of the cell that contains all the organelles is called the cytoplasm.
Difference between dry cell and wet cell?
a dry cell is a cell that has electrolyte that is a paste a wet cell is a cell that has a liquid electrolyte -sads
What is the connection of protoplast with cell?
liquid content of the cell
