Biology, 12.10.2019 19:30 tadvet1633
You are studying a eukaryotic gene that codes for the alpha-subunit in hemoglobin. what is the most likely result if base substitutions occur in the first nucleotide at the 5' end of an intron and also in the last nucleotide at the 3' end?
Answers: 1
Biology, 21.06.2019 23:00
Which image shows labeled organelles that are present only in plant cells?
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Biology, 22.06.2019 06:20
The activity of the modern sample is 1.10 bq . how long does that measurement take?
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Biology, 22.06.2019 13:20
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
You are studying a eukaryotic gene that codes for the alpha-subunit in hemoglobin. what is the most...
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