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Mandarinka [93]
3 years ago
5

What is the arrow labeled X pointing to? (see attached screenshot)

Biology
2 answers:
Sidana [21]3 years ago
8 0

Answer:

thymine

Explanation:

Adenine always bonds with Thymine in DNA and Cytosine always bonds with Guanine

Mariana [72]3 years ago
4 0

Answer:B is the Answer

Explanation:

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The change in chemical composition of interstitial fluid affects the oxygen and nutrients transportation to the cell, and also removal of waste from the cell.

Interstitial fluid- Extracellular fluid is mostly made up of blood plasma and interstitial fluid. Interstitial fluid is the substance that fills the spaces between cells. Salts, water, cellular waste products, coenzymes, hormones, carbohydrates, fatty acids, and amino acids make up its composition.

Chemical Composition- The chemical composition of a material refers to the configuration, proportion, and kind of atoms in chemical substance molecules. The chemical makeup will alter when substances interact. For instance, when hydrogen and oxygen combine, water is produced.

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By about ____ months of age, different circuits in the brain begin to control infants’ looking at faces, allowing infants to dis
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