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Perioxisomes
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What is the process by which substances enter and leave cells and become distributed within cells?
Transport
Cells are limited in size by the?
a. rate at which substances needed by the cell can enter the cell through its surface.
State two substances that pass into the blood?
Two substances that pass into the blood include oxygen and carbon dioxide. The blood carries fresh oxygen to the cells and tissues and removes waste materials.
The size of cells is limited by their?
Cells are limited in size by the rate at which substances needed by the cell can enter the cell through its surface. volume increases faster than surface area and homeostasis is disrupted by a cell that is too large
What cell main job is to control which substances enter and leave a plant cell.?
?
What does red blood cells fight in the human body?
Red Blood Cell's protect us from disease and other harmful substances that may enter your blood stream. -HorseLuv13
What is the process by which substances enter and leave cells and become distributed within cells?
Transport
How do the necessary raw materials and harmful wastes enter and exit the cells in your body?
Raw materials and harmful wastes enter and exit the cells in your body by blood, the red blood carry oxygen from lungs to the body cells.
What would happen if cell membranes were not selective permeable?
It would be easier for harmful substances to enter.
What cells attack germs or substances that enter your body and cause infections?
Your white blood cells have that job.
Cell membranes usually allow what substances to enter a cell?
the cell membrane allows what substance to enter the cells.
How do substances for photosynthesis enter the plant?
Pores called stomata, which open and close by guard cells.
Cells are limited in size by the?
a. rate at which substances needed by the cell can enter the cell through its surface.
What are the substances that enter the capillary from surrounding cells?
They substances transported by blood.Gases,Nutrients,Water,Hormones,Urea,Ammonia,Other waste materials etc.
What substances enter and leave the cells?
Proteins made on "bound" (attached) ribosomes leave through the cell membrane, and other proteins will enter the cell.
What kind of blood vessels allow substances to enter and leave the blood easily around the cells?
Capillaries. they have such thin walls that substances can easily diffuse through them.
Describe methods by which substances enter and leave cells that require cellular energy?
Diffusion is the methods that leave cells. Diffusion also has to have cellular energy.
