Biology, 20.08.2019 00:10 trying1to1pass
Arrange the following list of biochemical events in the correct sequence. (1) an action potential is conducted deep into the muscle fiber by the t tubule. (2) calcium ions bind to troponin. (3) the membranes of the sarcoplasmic reticulum become more permeable to calcium ions. (4) calcium ions diffuse into the sarcoplasm around the myofibril. (5) the troponin-tropomyosin complex moves exposing active sites.
Answers: 1
Biology, 21.06.2019 20:10
Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. which most likely affects the development of these traits? testes ovaries prostate gland vulva
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Biology, 21.06.2019 20:30
Dr. kaylan is an ecologist who studies bird behavior. she sets up an experiment to test which type of food crows are most likely to eat when given a choice between walnuts, corn, and sunflower seeds. to perform her experiment, dr. kaylan places three food bins in an area frequented by cows. each bin contains one of the three food types. then, she measures how much of each food type is eaten every day for a month and summarizes the results of her experiment in the pie chart below. based on her results, dr. kaylan concludes that crows choose to eat corn more frequently than other food sources because it has a higher nutritional value. what is a reasonable alternate conclusion that can be drawn from dr. kaylan's data
Answers: 2
Biology, 22.06.2019 01:00
Acquired mutations can result from radiation pollution toxins inheritence select all that apply
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Biology, 22.06.2019 01:30
Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina
Answers: 2
Arrange the following list of biochemical events in the correct sequence. (1) an action potential is...
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