Yes it's a protein called Hemoglobin in the red blood cells and it carries oxygen around your body and to your lungs, so it is TRUE.
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Scientists may use maps like these to compare temperatures from two different times. For example, this scientist may use this temperature map and compare the new temperatures in a few months. This is one way a scientist can use maps like these.
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D. which is also known as osmosis a form of facilitated diffusion (doesn't require energy)
Answer:
In photosynthesis carbon dioxide is fixed and oxygen is released. In breathing, oxygen is consumed and carbon dioxide is released, releasing energy.
Explanation:
Answer:
DNA and RNA both pair guanine to cytosine. In RNA, thymine which is pair with adenine in DNA, is replaced with uracil
Explanation: