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Why does the beam on a gamma ray have to be narrow?
Because otherwise it would kill more cells than it needs to and may harm the person, it would destroy the healthy cells
Why is vacuumed dust always gray?
Most house dust is composed of shed skin cells which are grey in colour
What happens to the energy that is not usefully transferred by the solar cells?
It would be wasted,if you are smart you would know that the opposite of useful is un useful
What is the free surface?
An epithelium always has on surface where the cells are exposed either to the external environment or to an internal passageway or cavity; this surface is called the free surface of the epithelium.
How would radiation kill us?
Radiation damages the cells in your body, which affects organ function.
If the body cells of an organism have 10 chromosomes then its sex cells would have what?
it is always half so 5 chromosomes. -By SciienceFreak
Can muscle cells extend or get longer as well as contract or get shorter?
False
What is always found in bacterail cells?
what is always found in bacteraill cells
What are tube like pockets of epidermal cells that extend into the dermis?
Hair follicles.
What happened to the number of cells in a boys body when he grew?
As you grow, the number of cells in your body increases. Your body is also always replacing cells. Cells are always dying and new cells are always being made.
During mitosis in animal cells spindle fibers extend from the centrioles which are located at opposite sides of the cells true or false?
true
Can muscle cells extend?
only contract, never extend. if it looks like it is extending, that's just another muscles contraction.
Do animal cells always have a nucleus?
Yes. Animal cells are Eukaryotic, and therefore always have a nucleus
What structures are always found in bacterial cells?
The Vibrio, Pseudomonas, and Aeromonas are always found in the Bacterial cells.
What would happen to your bodies if blood pH was changed or altered?
You would die because it needs to be between 7.35 and 7.45 for homeostasis a.k.a balance for our bodies If it's too high or low our bodies would not function. It will fail.
Why would mitosis inhibitor be helpful for tumors?
It would reduce the size of the tumor but it would also reduce the number of new cells you would need, like your skin cells. You are always renewing some tissues as they wear out quickly. Only if, somehow ,this inhibitor would act against just cancer cells, would it be practical. The way that it works would be like throwing water on a fire. The growth of new cells would stop.
Is it true that you can select cells using the keyboarding by pressing and holding the control key and using the arrow keys to extend the selection?
No it is not true. You would use the Shift key, not the Ctrl key to do it.
