Which of the following statements about water is correct? It is critical for many of the chemical processes found in living systems All of these Nonpolar substances like oils are not soluble in it Polar substances that can form hydrogen bonds will dissolve in it TRUE ANSWER : ? YOUR ANSWER : ?
Most of the important functional groups in biological molecules contain nitrogen and a phosphate oxygen and/or nitrogen and are polar oxygen and/or nitrogen and are acidic oxygen and a phosphate TRUE ANSWER : ? YOUR ANSWER : ?
The strength of an acid depends on number of protons released number of neutrons gain number of double bonds electronegativity TRUE ANSWER : ? YOUR ANSWER : ?
The lone pair electrons on oxygen in a H20 molecule carry a partial positive charge are not important for the properties of water form covalent bonds in ice carry a partial negative charge TRUE ANSWER : ? YOUR ANSWER : ?
Salt dissolves well in water as water molecules share electrons with the ions to make polar covalent bonds surround the ions because of their charge but do not form hydrogen bonds form hydrogen bonds with the positively and negatively charged ions make nonpolar covalent bonds with the positively charged ions only TRUE ANSWER : ? YOUR ANSWER : ?
A Bronsted acid becomes __________ upon losing a proton. its conjugate base a hydronium ion highly reactive its conjugate acid TRUE ANSWER : ? YOUR ANSWER : ?
A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule? Strong base Protein Phospholipid DNA TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following alcohols would be most soluble in water? ethanol methanol butanol octanol TRUE ANSWER : ? YOUR ANSWER : ?
The elements oxygen, nitrogen, and carbon contain protons and neutrons in their atomic nuclei All of these are common elements in the molecules that make up living organisms can all form covalent bonds with other elements TRUE ANSWER : ? YOUR ANSWER : ?