Answer:
A Comparison of Cells Commonly Seen in Lab
Bacteria: prokaryotic. Very small. No nucleus, no chloroplasts, no mitochondria. Do have a cell wall.
Plant cells: eukaryotic. Relatively large. Have a nucleus, have mitochondria, sometimes have chloroplasts. Have a large central vacuole and a cell wall.
Animal cells: eukaryotic. Relatively large. Have a nucleus and mitochondria. Never have chloroplasts. Lack a cell wall, and have no central vacuole.
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This Elodea leaf cell exemplifies a typical plant cell. It has a nucleus, and a stiff cell wall which gives the cell its box-like shape. The numerous green chloroplasts allow the cell to make its own food (by photosynthesis).
The central vacuole takes up most of the volume of the cell. It is transparent, but you can see where it's pressing the chloroplasts up against the cell wall, especially at the ends of the cell.
Like animal cells, the cytoplasm of this plant cell is bordered by a cell membrane. The membrane is so thin and transparent that you can't see it, but it is pressed against the inside of the cell wall.
This cell was alive and at 1000x magnification when it was photographed.
The worm and roller steering components are basically the same found in the recirculating ball/ parallelogram system. This statement is true.
Many vehicles and SUVs currently feature recirculating-ball steering. Compared to a rack-and-pinion system, the linkage that rotates the wheels is slightly different.
A worm gear is part of the recirculating-ball steering system. The gear can be visualized in two sections. A block of metal with a threaded hole makes up the first component. The outside of this block has gear teeth carved into it that engage a gear to move the pitman arm (see diagram above). A threaded rod that fits into the hole in the block and looks like a bolt is how the steering wheel is attached to it. The bolt is turned when the steering wheel does. This bolt is retained fixed so that it won't twist into the block any further, unlike a typical bolt, which would.
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Probably (stimuli) hope this helps at all buddy
CNS are made up of the brain, spinal cord, brain stem, and meninges.
PNS is made up peripheral nerve.
HOPE THIS HELPS
Answer:
Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. When the cell uses oxygen to break down sugar, oxygen is used, carbon dioxide is produced, and energy is released. In cells use oxygen to release energy stored in sugars such as glucose. In fact, most of the energy used by the cells in your body is provided by cellular respiration.
Explanation:
i tried my best to break it down into a simple explanation. hope this isn't too complicated, and i hope it helps!! have a nice day.
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