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When an atom has 12 protons and 13 electrons? positive negative neutral
Negative
When ions are formed, it usually leads to _____ bonding. Covalent Ionic Hydrogen Carbon
Ionic bond
What is the polarity of water good for?
1. Excellent solvent 2. Capillary action (helps water move up tree) 3. Cleans your face 4. Water tension 5. Water temperature
Which enzyme works best at the p. H of 2?
Pepsin
T or F The process of hydrolysis breaks apart polysaccharides. Think about the word hydro lysis
True
A lipid is made up of 3 fatty acids and a ____ molecule? Carbon Glycerol Protein DNA
glycerol
What part of the cell do we find nucleic acids? Plasma membrane Cytoplasm Nucleus
Nucleus
Which state of matter contain particles that hardly move and are tightly packed? Solid Liquid Gas
Solid
If there are too many hydrogen ions(H+) in solution, it is considered to be… Acid Alkaline neutral
Acid
Which is not an example of a chemical reaction? Burning wood Cutting paper into smaller pieces Rusting of metal Baking bread
Cutting paper into smaller pieces
If an atom has gained or lost an electron, it is considered to be. . . Neutral Positive Ion negative
Ion
What charge does an atom contain when it has gained an electron? Neutral Positive negative
Negative Charge
What is the process that combines 2 monosaccharides to form a disaccharide? Hydrolysis Condensation Carbonation Cell respiration
condensation
Which function is not an important function of lipids in a living organism? Insulation Quick energy Stores energy Found in membranes
Quick energy
How many atoms are in one water molecule (H 20)? One Two Three
Three
Explain why glucose and fructose are isomers of one another?
Same molecular formula different 3 -d arrangement
The basic unit of Nucleic acids are. . . Proteins Nucleotides Lipids Carbohydrates
Nucleotides
Proteins contain C, H, O and what other element. Copper Lead Nitrogen Chlorine
Nitrogen
When sodium has 11 protons & 10 electrons, what is the overall charge. positive negative neutral
It becomes (+) Positive
Name the 3 parts of an atom.
Protons Neutrons Electrons
When chlorine has 17 protons & 18 electrons, what is the overall charge. positive negative neutral
It becomes (-) Negative
Give me an example of an element An apple Rust Air Hydrogen
Hydrogen
What are polysaccharides? Lipids Carbohydrates Proteins Nucleic acids
Carbohydrates or sugars
Inorganic compounds usually DO NOT contain this element. Copper Carbon Nitrogen Chlorine
Carbon
If the atomic # is 6, how many electrons does carbon have in its outer energy level? TWO THREE FOUR SIX
4 electrons
A p. H of 11 is considered …. Alkaline(basic) Acid neutral
Alkaline(basic)
Which one is not part of a nucleotide? Phosphate Nitrogen base Sugar(Ribose) Lipid
Lipid
An acid has a ph of __. Above 7 Below 7 At 7 Exactly 14
Below seven
Why is water considered polar? It has 2 personalities One side is (-), One side is (+) Even distribution of charges It has a south pole
It has a negative and positive side
When smaller molecules bond together to form a large molecule this is called? Hydrolysis Cell respiration Condensation
condensation
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A chemical reaction in which polypeptides are broken down into amino acids with the addition of water? Hydrolysis Hydronation Condensation
Hydrolysis
What is one example of a disaccharide? Glucose Sucrose Polysaccharide
Sucrose
______ is a steroids (a type of lipid) that is found in cell membranes & can also clog arteries. Carbohydrates Cholesterol Proteins Nucleic acids
Cholesterol
An area on an enzyme where the substrate fits. Enzyme loci Substrate loci Active site Enzyme-substrate loci
Active site
T or F All organic compounds contain the element Carbon.
True
What other factor; besides p. H, limits enzyme function?
Temperature
Sucrose + H 2 O Glucose + Fructose The reaction above is called … Hydrolysis Hydronation Condensation
Hydrolysis Reaction
Isomers have the same formula but different… Number of protons Number of neutrons Different 3 -D arrangement
3 -D arrangement
If a solution has a lot of Hydroxide ions(OH ), it is considered to be… Acid Alkaline Neutral
Alkaline or Base
What is the type of lipid that comes from bees?
Wax
What is the formula for a disaccharide? C 6 H 12 O 6 + C 6 H 12 O 6 C 12 H__O__ + H 20
C 12 H 22 C 11
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- C/100=f-32/180=k-273/100
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- What's 100 + 100
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