Answer:
Excitation-contraction coupling refers to the events that link the action potentials on the sarcolemma to activation of the <u>Ca+ channels </u> . It begins with the arrival of the <u>action potential</u> at the neuromuscular junction.
Explanation:
The action potential travels from the neuron and it is transmitted to the muscle through the neuromuscular junction, which is the place where the neuron and the muscle join. Once that the action potential is in the muscle this will open Ca+ channels in order to let the Ca+ enter the muscle fiber and produce the contraction in the sarcomere.
Answer:
Circulatory system remove waste from the cell and provide clean blood to the cell.
Explanation:
During cellular respiration, lungs inhale oxygen which stored in the alveoli. The red blood cells contains hemoglobin that carries deoxygenated blood containing carbondioxide from the cell in the veins to the heart and unload this carbondioxide gas in the alveoli of the lungs and load oxygenated blood having oxygen from the alveoli through capillaries in order to provide oxygen to the cells that is necessary for the survival of humans. Platelets are the type of cells that helps in blood clotting whereas white blood cells provides immunity against pathogens.
Because they grow in shallow coastal waters, oysters are likely to be polluted. Oyster exists in marine or brackish habitats. There are many different types of oysters, some which are consumed by humans, others that produce pearls and there are the windowpane oysters which are harvested for making decorative objects as their shells are translucent.
Answer:
The frequency of animals in population one to carry both alleles in 1&3 is .85%.
Explanation:
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Unlike bacteria, the archaea cell walls do not contain peptidoglycan. Archaea and bacteria have different membrane lipid bonding. Archaea does not have the fatty acids found in bacteria.
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