exam 1 pt3

Question 1

What is it called when atoms share electrons?

Answer 1

covalent

Question 2

Why are hydrogen bond the weakest?

Answer 2

hydrogens bond is 2 atoms that already in other chemical bonds.

Question 2

What is when Hydrogen electrons are bonding with other things with higher electronegativity?

Answer 2

hydrogen bonding

Question 2

Covalent molecules create what first and between other molecules are what?

Answer 2

molecules/ hydrogen molecules

Question 3

What is based on how many electrons are on the outer shell and how ready they are to interact with other electrons based on electronegativity?

Answer 3

Chemical bond

Question 4

What is it called when different molecules attract each other?

Answer 4

Adhesion

Question 4

What do hydrogen bonds create? What kind of liquid molecules?

Answer 4

water/ polar

Question 4

What makes water stick to itself?

Answer 4

Cohesion

Question 4

What does hydrophilic dissolve in?

Answer 4

water

Question 4

What is it called when something does not dissolve in water? / Do polar and nonpolar things mix?

Answer 4

Hydrophobic/ no

Question 5

water is what and what kind of tendency does soap have?

Answer 5

Polar/ Nonpolar tendencies

Question 5

What regulates temperatures expand when it freezes, and it helps with chemical reactions?

Answer 5

water

Question 6

What is never created or destroyed? (Law of Conservation of ____)

Answer 6

matter

Question 7

What is it when where the higher the number the lower amount of hydrogen ion. The lower number the higher hydrogen ion you get?

Answer 7

PH

Question 7

Buffer has the power to add what ion or remove to keep them in what based on what the cell needs?

Answer 7

hydrogen ion/ homeostasis

Question 8

A what molecule contains both carbon and hydrogen. Anything what has carbon and hydrogen. DNA and sugars are what?

Answer 8

organic

Question 9

A what is a single unit of a carbohydrate, protein, or
nucleic acid. what join to form polymers?

Answer 9

Monomers

Question 9

What happens when Dehydration synthesis? / What happens with Hydrolysis?

Answer 9

joins monomers into polymers, releases H2O. / Breaks polymers into monomers; requires H2O.

Question 9

When we take individual monomers and make polymers this is called?

Answer 9

Dehydration synthesis.

Question 10

What are simple sugars, and they also make up larger carbohydrates.

Answer 10

Monosaccharides

Question 11

Complex carbs are broken down slower than simple carbs because why?

Answer 11

of more bonds.

Question 12

What do Tertiary and Quaternary make the amino acid do?

Answer 12

Amino acid folds and be in final structure to be a functional protein.

Question 12

Polysaccharides are made of a long chain of what? / Monomers that build protein are called what? How many stages does it go through?

Answer 12

Carbohydrates, Amino acids and they go through 4 stages.

Question 13

What do you do to denature a protein?

Answer 13

Final structure of a protein loses its shape by adding heat or alcohol or salty solution so bacteria can’t grow.

Question 14

what are nuclei acids made up of? / What three parts I need it to make nucleic acids?

Answer 14

Nucleotides/ phosphate, nitrogenous, and sugar groups.

Question 14

RNA is what kind of strand? / What kind of strand is DNA?

Answer 14

single/ double

Question 15

Carbs are made up of what? Proteins are made up of what? Nucleic acids (DNA/RNA)are made of a what?

Answer 15

Saccharides; amino acids; nucleotides

Question 15

Triglycerides, steroids, and waxes are not made up of what? What makes them different? What are they made up of?

Answer 15

monomers/ The bonds that make them makes them different / all organic molecules are made up of carbon & hydrogen but are not chains of monomers.

Question 16

What kind of line does he saturate bond make? What kind of bond does an unsaturated bond makes?

Answer 16

straight line / unsaturated have a bend at the end because of the double bonds.