Explanation:
With few exceptions, cellular membranes — including plasma membranes and internal membranes — are made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains. Glycerol is a three-carbon molecule that functions as the backbone of these membrane lipids.
It binds itself to the receptors present on the surface of the cell membrane, which activates the enzymes present inside the cell.
<span>Chemical bonds hold atoms
together to form compounds. The answer is letter D. Chemical bonds may result
through the sharing of electrons as in covalent bonds or from the electrostatic
force of attraction between atoms with opposite charges as in ionic bond. There
are other bonds that exist to other compounds such as metallic bond and
hydrogen bonding. Also, the type of bonding will help us determine what will be
the phase of the compound. Just like in liquids, attractive forces are caused by
van der Waals bonds.</span>
Answer:
Avulsion.
Explanation:
Human bite wounds are blunt wounds, sometimes with partial or total avulsion (ear, lips, nose, hands) and with intense contamination. An avulsion is a complete tear of the skin and subcutaneous tissue. It does not allow the approximation of edges. It presents moderate to abundant hemorrhage and is accompanied by the exposure of underlying tissues (bone, tendon). The tear can be complete or partial; in the latter case, a connection or bridge is preserved between the torn tissue and the rest of the body.
<h2>Only option b) is correct</h2>
Explanation:
Metastasis is the the property of cancerous cells
- Metastasis is the migration of cancerous cells from one place to another place thus spread cancer in different locations
- Cancer cells loose the property of contact inhibition growth(adhesion property):after proper contact with neighbouring cells/tissues cell division is blocked in normal cell but not cancer cell
- Malignancy is the very fast rate of growth and division of cancerous cells
- All the given choices are properties of cancerous cells but metastasis property is described by option b) only
