Biology, 27.10.2020 15:30 jhernandezvaldez142
A student uses a telescope to view stars at night. The student notices some of the stars are different colors. The color of a star is determined MOST by its
Select one:
a. size.
b. distance from Earth.
c. mass.
d. temperature.
Answers: 3
Biology, 22.06.2019 04:50, kaylallangari2145
How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.
Answers: 3
Biology, 22.06.2019 05:00, emmalucilleblaha1995
Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation
Answers: 1
Biology, 22.06.2019 06:00, 21hendlill
Me with biology endocrine system crossword also image left i need with hw
Answers: 1
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
A student uses a telescope to view stars at night. The student notices some of the stars are differe...
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