The method for adult cell cloning is: The nucleus is removed from an unfertilised egg cell. The nucleus from an adult body cell, such as a skin cell, is inserted into the egg cell. An electric shock stimulates the egg cell to divide to form an embryo.
An embryo transfer is the final stage in the In Vitro Fertilization (IVF) process where the fertilized egg—now an embryo—is placed in the woman's uterus. The embryo is loaded into a catheter, which is passed through the vagina and cervix and into the uterus where it is deposited.
In genetics and developmental biology, somatic cell nuclear transfer is a laboratory strategy for creating a viable embryo from a body cell and an egg cell. The technique consists of taking an enucleated oocyte and implanting a donor nucleus from a somatic cell. It is used in both therapeutic and reproductive cloning.
Answer:
15. D have specific gened activated
16. G cell division is unregulated
17. D providing information to form proteins
Explanation:
15. When an egg is first fertilised, the cells are very flexible. They are sort of like a "blank slate", and can become any type of cell. From these cells, all the cells in the body are created: brain cells, skin cells, blood cells etc. To become all these different types of cells, they keep dividing, slowly branching off and becoming more specific. This process is called differentiation.
They do this because different patterns and combinations genes are activated that turn them in to these different and specific cell types.
16. One of the hallmarks of a cancer cell is unregulated cell division. Oncogenes start as normal genes (called proto-oncogenes) that function in normal processes, such as the cell cycle, inhibiting apoptosis. However, when they become mutated, they can promote the growth and division of cells and prevent their programmed death. This is because they become more active or present in higher amounts following the mutation. This causes such functions in the cell to become deregulated, leading to uncontrolled cell proliferation and the growth of harmful tumour cells.
17. The central dogma of biology states that DNA --> RNA --> protein. The messenger RNA (mRNA) is transcribed from the DNA. It contains a message that is translated by the protein synthesis machinery to form proteins.
This is how all the proteins in the cell are produced, and the information for how to encode them is entirely dependent upon the sequence of the DNA, which is sent as a coded message in the form of RNA, to the protein synthesis machinery. The protein synthesis machinery makes the proteins according to the DNA sequence (as translated from the mRNA).
Do you mean electron? If so they are molecules that transport electrons during cellular respiration.
Answer:
if ur makin a cake for instance and it calls for on tbs of salt and u add 5 cups that will be delicious right lol no i think it matter coz u need to put the right amount or it might turn out nastyyyyyyy
or it might have a chemical reaction that can affect how it cooks
Explanation:
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Answer: biomarker: A substance used as an indicator of a biological state, most commonly disease.
trace fossil: A type of fossil reflecting the reworking of sediments and hard substrates by organisms including structures like burrows, trails, and impressions.
fossil record: All discovered and undiscovered fossils and their placement in rock formations and sedimentary layers.
strata: Layers of sedimentary rock.
fossiliferous: Containing fossils.
Explanation: hope this is what you mean if not ill try again
