Water & Metabolism

Question 1

9 most common elements

Answer 1

Sulfur, phosphorus, oxygen, nitrogen, carbon, hydrogen, sodium, calcium, iron

Question 2

Role of carbon

Answer 2

forms the foundation of all four classes of organic compounds, forms four covalent bonds

Question 3

Role of hydrogen

Answer 3

structural component of all four classes of organic compounds reducing agent in photosynthesis and cellular respiration

Question 4

Role of oxygen

Answer 4

used in aerobic respiration in cells (makes ATP, the energy molecule)

Question 5

Role of nitrogen

Answer 5

formation of amino acids (which make up proteins), nucleotides (DNA/RNA), and ATP

Question 6

Role of iron

Answer 6

in cytochromes (electron transport) and hemoglobin (Oxygen transport protein)

Question 7

organic

Answer 7

compounds containing carbon which is found in living organisms

Question 8

osmolarity

Answer 8

a measurement of the amount of solute concentration in a solution

Question 9

solvent

Answer 9

dissolving agent of a solution

Question 10

solute

Answer 10

substance that is dissolved

Question 11

solution

Answer 11

a liquid that is a homogeneous mixture of substances

Question 12

soluble

Answer 12

dissolves in a solution/ interacts with solvent

Question 13

hydrophobic

Answer 13

do not dissolve in/ interact with water

Question 14

hydrophilic

Answer 14

easily dissolve in/ interact with water

Question 15

aqueous solution

Answer 15

water is the solvent

Question 16

heat capacity

Answer 16

the amount of heat that must be absorbed or lost for 1g of a substance to change its temperature by 1 degree Celcius