Biology, 20.07.2019 14:30 kjmesser33
The light that humans can perceive with the eye is light. a: ultraviolet b: infrared c: visible d: gamma
Answers: 1
Biology, 22.06.2019 05:30
What is the compliment dna strand to the following sequence: ttgactaggcta
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Biology, 22.06.2019 05:30
Which of the following is a good strategy when it comes to desserts
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Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 3
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
The light that humans can perceive with the eye is light. a: ultraviolet b: infrared c:...
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