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PilotLPTM [1.2K]
2 years ago
5

How does the author support the statement that the laws of stratigraphy help

Biology
2 answers:
adell [148]2 years ago
8 0
B. By using specific examples of inferences that could be made using two laws of stratigraphy
aleksandr82 [10.1K]2 years ago
4 0

Answer: B, i took the flocabulary quiz

Explanation:

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Both carbohydrates and lipids contain Carbon, Hydrogen, and Oxygen. However, all proteins have Nitrogen as well.

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Over the course of a yoar, areas near Earth's equator receive more direct energy from the Sun than areas near Earth's polos. Whi
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which statements are true of heterogeneous mixtures? 1) they settle out. 2) the proportions of solute to solvent may vary. 3) th
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The statements that are true of heterogeneous mixtures are: they settle out and the proportions of solute to solvent may vary. The correct answer is option A. 1 and 2. Heterogeneous mixtures are considered mixtures wherein the components are not uniform and still retain their properties. Characteristics of heterogeneous mixtures are: the ratio of solute and solvent is not equal, the substances can be separated physically and they still retain their properties even if mixed with another substance. 
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Describe how the folded structure of a peptide chain and the stereochemistry of an l-amino acid illustrate the difference betwee
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The configuration is a concept that is related to the order (poition) by which different substituents linked to the same central atom, in the case of amino acids, around the central carbon atom. So, amino acids can be divided in two groups, L- and D- forms, analogous to left-handed and right-handed configurations.  

On the other hand, protein folding (folded structure of peptides) is the physical process by which a protein chain acquires its conformation (3D structure) that is usually biologically functional.


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Describe the structure of DNA ? (6mrks) gcse edexcel 9-1
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DNA structure. DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C).

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