Biology, 13.08.2021 01:00 asamuels216
(b) Mr and Mrs Smith decided to visit a genetic counsellor who discusses embryo Read the information which they received from the counsellor, Under an anaesthetic five eggs will be removed from Mrs Smith's ovary The eggs will be fertilised in a dish using Mr Smith's sperm colis. The embryos will be grown in the dish until each embryo has about thirty cells. One coll will be removed from each embryo and tested for cystic fibrosis w A suitable embryo will be placed into Mrs. Smith's uterus and she may become pregnant. Any unsuitable embryos will be killed. (1) Suggest why it is helpful to take five eggs from the ovary, rather than just one
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Biology, 21.06.2019 21:00, reaunnatowns
The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?
Answers: 3
Biology, 22.06.2019 05:00, graymonky12
This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called
Answers: 2
Biology, 22.06.2019 13:20, crazymadhatter0
Choose the incorrect statement (a) the motor end plate membrane is only capable of generating graded potentials, but it is contiguous with the skeletal muscle sarcolemma, which can generate action potentials. (b) propagation of an action potential through the t-tubules into the sarcoplasmic reticulum triggers the release of ca++ into the cytoplasm of a skeletal muscle fiber. (c) the generation of suprathreshold endplate potentials in multiple muscle fibers could be due to the increased frequency of action potential generation at the axon hillock of a single motor neuron. (d) a greater amount of ach would be found in the presynaptic vesicles of a motor unit that fired several action potentials after exposure to botulinum toxin, than in a motor unit that fired several action potentials after exposure to the venom of the krait snake (which contains α-bungarotoxin).
Answers: 2
Biology, 22.06.2019 23:20, allysongonzalezlove0
Male-patterned baldness is more common in males as the name suggest. why is this? a. the gene for baldness is on chromosome 5 b. the gene for baldness is on chromosome 1 c. the gene for baldness is on he x chromosome d. the gene for baldness is on the y chromosome
Answers: 2
(b) Mr and Mrs Smith decided to visit a genetic counsellor who discusses embryo Read the information...
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