C. A wall of stones and mortar
This would act as a model describing the cell membrane.
Explanation;
A cell membrane is made up of a phospholipid bilayer with embedded proteins.
A cell membrane hold the different components of the cell together and to protect it from the environment outside the cell. It acts as a boundary between the inside environment and the outside environment of a cell.
It regulates the materials that enters and exits the cell; through selective movement of substances in and out of the cell.
Answer: did you try using goog
Explanation:
And instead of use the arrow use a equal sign
Answer:
The antibodies produced by a vaccine only fight specific antigens.
Explanation:
Antibodies only bind to specific antigen during an immune reaction. The introduction of foreign substance in the body stimulate the B-cells to produce antibodies that fight against infections. Only specific antibodies are produced following antigen presenting cells that bind to antigens. They capture and display the antigens to the antibodies.
Answer:
Government programs aim to increase incentives for consumers and producers to move toward energy efficiency. Energy efficient products are marked with a label designating them as such under the Energy Star program. This helps consumers make informed decisions when buying products that consume energy. The Alliance to Save Energy is a coalition of businesses that work together to effect policy changes that will improve energy efficiency.
Explanation:
Answer:
lipid are the fats that stores energy for insulation