Inorganic ions

Question 1

What is meant by the term Inorganic ions?

Answer 1

Polar, charged particles that do not contain carbon atoms

Question 2

Where do inorganic ions occur in the body?

Answer 2

In the cytoplasm and body fluids of organisms, some in high concentration and others in very low concentrations

Question 3

What is the food acronym and acronym for cations and anions?

Answer 3

PANCAKES and OILRIG

Question 4

Explain the specific role of hydrogen ions and relate this to its properties of hydrogen ions

Answer 4

• Hydrogen ions are used for respiration and photosynthesis
• Reduces pH of solutions
• More H+ means higher concentration of H+ and more acidic conditions, less H= means lower concentration of H+ and more alkaline conditions

Question 5

Explain the specific role of iron ions and relate this to the properties of iron ions.

Answer 5

• Hemoglobin has four polypeptide chains
• Each chain has Fe2+ bonded to it.
• allows O2 molecules to bind to the four polypeptide bonds that form hemoglobin
• Which supports the transportation of oxygen around the body for respiration.

Question 6

Explain the specific role of sodium ions and relate this to the properties if sodium ions.

Answer 6

Na+ ions act as cotransport for glucose and amino acids across cell membranes for absorption of glucose in the small intestine
- Na+ for the transmission of nerve impulses

Question 7

Explain the specific role of phosphate ions and relate this to the properties of phosphate ions.

Answer 7

• Found in RNA, DNA, and ATP.
• Phosphate group is where high-energy bonds are stored
• Phosphate groups are released for active transport
• They make up cell membranes, phospholipids
• Form negative-sugar phosphate backbone of RNA and DNA

Question 8

Formula for calculating pH and hydrogen ions

Answer 8

pH= -log10[H+]
[H+]= 10^-pH

Question 9

Where carbon dioxide dissociated in?

Answer 9

water

Question 10

What iron ions form when oxygen binds to hemoglobin?

Answer 10

Fe3+

Question 11

What are the characteristics of polar substances

Answer 11

hydrophilic so they are water soluble and lipid insoluble

Question 12

Acidic properties + alkaline properties =?

Answer 12

Amphoteric

Question 13

Which group is acidic, and which is alkaline, the amine group or the carboxyl group?

Answer 13

Alkaline group is acidic while carboxyl group is alkaline