In your question that ask on which of the following observation led Darwin to start thinking about evolution. I think that the answer is A. The animals on the Galapagos Islands were recognizable as similar to their counterparts in other regions of the world, but had range of noticeable differences from those counterparts. Many animals also had small variations form island to island
Answer: restriction enzymes serve the purpose of defense against invading viruses.
Explanation:
Answer:
Excretory systems regulate the chemical composition of body fluids by removing metabolic wastes and retaining the proper amounts of water, salts, and nutrients. Explanation:
The cell membrane is a biological membrane that separates the interior of all cells from the outside environment. It consists of a lipid bilayer with embedded proteins. The basic function of the cell membrane is to protect the cell from its surroundings. The cell membrane controls the movement of substances in and out of cells and organelles. In this way, it is selectively permeable to ions and organic molecules. In addition, cell membranes are involved in a variety of cellular processes such as cell adhesion, ion conductivity and cell signalling and serve as the attachment surface for several extracellular structures, including the cell wall, the carbohydrate layer called the glycocalyx, and the intracellular network of protein fibers called the cytoskeleton. In the field of synthetic biology, cell membranes can be artificially reassembled.
Answer:
two off spring cells with the same genetic material as the parent cell is the answer
Explanation:
now if the off spring is only a bit identical to the parent it is known as a half genetic cell
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