Biology, 04.08.2019 03:40 hunterthompson2
One reason that today's preschool teachers don't emphasize to their children that they must color within the lines of a coloring book (as teachers did a generation ago) is that a. large-muscle control is necessary for this activity. b. preschoolers don't like the structure of a coloring book. c. preschoolers have problems with this type of coordination. d. it is considered creative to color outside the lines.
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Biology, 21.06.2019 23:00
Classify the structures as homologous or analogous, depending on their structure and function.
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Biology, 22.06.2019 10:00
Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis
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Biology, 22.06.2019 12:00
Yeast cells reproduce quickly by budding. this is a form of reproduction so all the yeast cells a) sexual; vary b) asexual; vary c) asexual; are identical d) sexual; differ from the parents submit hint structures and functions of cells cellular reproduction
Answers: 1
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
One reason that today's preschool teachers don't emphasize to their children that they must color wi...
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