The members of these kingdoms all have cell walls. which kingdoms are they?
a) eubacteria, a...
Biology, 11.01.2020 11:31 Totototono
The members of these kingdoms all have cell walls. which kingdoms are they?
a) eubacteria, archaebacteria
b) protists, fungi, plants, animals
c) eubacteria, archaebacteria, plants, fungi
d) eubacteria, archaebacteria, protists, animals
Answers: 1
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How does friction with the atmosphere affect the speed of an artificial satellite
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Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.
Answers: 2
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 Ξ±-bungarotoxin).
Answers: 2
Biology, 22.06.2019 13:50
18. how do the cells in meiosis differ from the cells in mitosis?
Answers: 2
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