Question 9 0/1 pts Characteristics of Mineral #5: can be black, brown, silvery gray, or earthy red, but consistently has a red streak; can have a metallic or earthy luster, is nonmagnetic, and does not effervesce. What is this mineral? Galena Magnetite Pyrite Hematite rect Question 10 0/1 pts Mineral #5 is shown here with another mineral with a similar chemical composition. What are these two minerals called?

QUESTION 23 Peptide bonds "chemically, are amide bonds" chemically, are amine bonds" %3D are formed from reaction of an amide and a carboxylic acid are found between nucleotides "are classified based on the ""R"" group (side chain)" QUESTION 24

Question 25 Which of the following is a characteristic of potassium? Question 25 options: It is the major electrolyte present in highly processed foods It is a component of foods that are less processed It is a critical component of the mineral complex of bone It is the major charged electrolyte in the extracellular fluid