<span>Your Question: Which properties of minerals can we not accurately rely on because it can change even amongst the same mineral?
Question 1 options:
Luster
Streak
Color
Crystal structure
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Your Answer: Color
Proteins are formed from monomers called amino acids. These are naturally found substances that polymerize in order to form proteins. These are compounds which has amine and carboxyl groups and are characterized by an R-group. In proteins, there are about 20 amino acids that can be found.
Answer:
Positive selection involves targeting the desired cell population with an antibody specific to a cell surface marker (CD4, CD8, etc.). ... Negative selection is when several cell types are removed, leaving the cell type of interest untouched.
