Answer:
its dead plant materials and rock is weathered into small peices
Explanation:
Yes. The gradient determines the direction of movement for particles. Diffusion and osmosis are both examples of passive transport Osmosis is the diffusion of water through semipermeable membranes like the cell membrane
The particles will move from an area of high concentration to an area of low concentration. This direction of movement is described as movement *with* the concentration gradient.
Each body cell contains the same number and kinds of chromosomes for that organism. The chromosomes contain the same number and kinds of genes for that individual.
<span>he visited galapagos islands</span>
Oncogenes are most like the gas pedal on a car, while tumor suppressor genes are most like the brakes on a car. Oncogenes and tumor suppressor genes are mutated in cancer cells.
Oncogenes are genes overexpressed in cells in which they should not be expressed, thereby leading to cancer.
Some examples of oncogenes are growth factors such as, for example, the Platelet-derived growth factor (PDGF) or Epidermal growth factor (EGF).
Conversely, tumor suppressor genes are genes that act to regulate cell division and replication, thereby their inactivation also leads to cancer.
A well-known example of a tumor suppressor gene is the p53 gene that acts to control cell division and apoptosis (programmed cell death).
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