Answer:
Biotic factors are living things within an ecosystem; such as plants, animals, and bacteria, while abiotic are non-living components; such as water, soil and atmosphere.
Answer:
Explanation:
Detergent enzyme used because The positively charged sodium ions in the salt help protect the negatively charged phosphate groups that run along the backbone of the DNA. A detergent is then added. The detergent breaks down the lipids in the cell membrane and nuclei. DNA is released as these membranes are disrupted.
Proteases catalyze the breakdown of contaminating proteins present in the solution to its component amino acids. It also degrades any nucleases and/or enzymes that may be present in the sample. This is of vital importance since these chemical compounds can attack and destroy the nucleic acids in your sample.
Specialised cells mean they have one specific job, for example cells in the alveoli (in the lungs) would be specialised to transfer oxygen into the blood. An unspecialised cell would be an embryonic stem cell which can become any cell to suit the needs of the organism, which is how a small cluster of cells in a zygote becomes a full human with all the organs and such.
Abstract noun
The type of noun that cannot be perceived by the senses is abstract noun.
Abstract nouns are nouns that cannot be perceived with the five senses. Abstract noun describes things that cannot be touched, seen, heard, tasted, or smell. Abstract noun include feelings, ideas, concepts, aspect, and qualities. Common examples of abstract noun include anger, bravery, calm, peace, love, trust, and progress.
Answer:
While flowering plants only use seeds, nonflowering plants use either seeds or spores. Spores are very tiny parts of a plant that can be used to reproduce.
Explanation:
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