The rough endoplasmic reticulum (versus the smooth), which is where the ribosomes are and make proteins.
The answer is C. Photosynthesis.
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Blood first enters the heart's right atrium. A muscle contraction forces the blood through the tricuspid valve into the right ventricle. When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery. Then it travels to the lungs
Answer:
Xenon 133
Explanation:
<em>Xenon 133 can be used as a radiopharmaceutical for ventilation scans, images are obtained when the patient rebreathes the gas (wash-in) and then when they exhale (washout),</em> therefore these images can be obtained in just one projection.
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Answer:
Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen.
Explanation:
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