Different genes are expressed in two type of cell.
Answer:
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The whiff of the perfume of Tammy reached the nostrils of Jim through the process of diffusion. The process of diffusion can be defined as the process by which the substances (liquid and gases) move from one place to another from the area of high concentration to the area of lower concentration. The particles of the perfume move from the Tammy's body (high concentration) towards Jim through the air (low concentration).
Hence, the answer is 'Option B - diffusion'.
Tissue engineering (TE) refers to the application of the principles of engineering to cell culture for the construction of functional anatomical units (tissue/organs).
The ultimate purpose of tissue engineering is to supply various body parts for the repair or replacement of damaged tissues or organs.
TE may be regarded as backbone of reconstructive surgery. It is possible to supply almost all surgical implants (skin, blood vessels, ligaments, heart valves, nerves) through the development of tissue engineering.
Answer:
Between one-third and one-half of all fertilized eggs never fully implant. A pregnancy is considered to be established only after implantation is complete
