Term
| What is the ultimate source of energy flowing into nearly all ecosystems? |
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Definition
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Term
| What two domains are prokaryotes classified? |
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Definition
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Term
| What is true of organisms belonging to kingdom plantae? |
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Definition
| they are plants, have cell walls and cellulose, use photosynthesis |
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Term
| what is true of kingdom fungi? |
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Definition
| decompose dead animals and absorb nutrients of that |
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Term
| The role of a control in an experiment? |
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Definition
| to compare the outcome of the variable experiment. |
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Term
| The major minerals in the human body |
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Definition
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Term
| facts about domain bacteria |
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Definition
| 1. prokaryotes 2. lack a nucleus |
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Term
| what is a tentative answer to some question? |
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Definition
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Term
| to be scientifically valid a hypothesis must be? |
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Definition
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Term
| major minerals of the human body |
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Definition
calcium
phosphate
potassium
sulfur
sodium
chlorine
magnesium |
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Term
| trace elements of the human body |
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Definition
boron
chromium
cobalt
copper
fluorine
iodine
iron
manganese
molybdenum
selenium
silicon
tin
vanadium
zinc |
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Term
| four most common elements in living organism |
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Definition
| Oxygen, hydrogen, nitrogen, carbon |
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Term
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Definition
| mass occupies space, composed of elements, life made of |
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Term
| element added to water to prevent tooth decay |
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Definition
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Term
| element added to table salt to prevent goiter |
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Definition
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Term
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Definition
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Term
| Three subatomic particles location and charge |
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Definition
electron-shell-negative
proton-nucleus-positive
neutron-nucleus-neutral |
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Term
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Definition
| number of protons in the atom |
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Term
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Definition
| sum of number of protons and neutrons in nucleus |
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Term
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Definition
| different number of neutrons in the nucleus |
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Term
| what is true of radioactive isotope |
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Definition
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Term
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Definition
| takes an electron from another atom putting net charges on them |
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Term
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Definition
| shares an electron to satisfy a full 8 electrons in atoms valence shell |
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Term
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Definition
| positive hydrogens attracted to negative oxygens between water molecules |
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Term
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Definition
| the substance being dissolved |
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Term
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Definition
| the substance that the solute is being dissolved in |
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Term
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Definition
| concentration of H+ in a solution; measure of acidity or basic |
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Term
| What is the purpose of a buffer? |
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Definition
| donates H+ ions when conditions become too basic and accepts them wen the conditions become too acidic |
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Term
| What is lactose intolerance? |
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Definition
| an inability to digest lactose from milk |
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Term
| What atom is in all organic molecules? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| what is the molecular formula for most monosaccharides? |
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Definition
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Term
| what are the monosaccharides? |
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Definition
| glucose, fructose, galactose |
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Term
| Names of sugars end in what suffix? |
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Definition
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Term
| What are some polysaccharides? |
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Definition
| cellulose, starch, glycogen |
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Term
| How does cellulose differ from starch? |
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Definition
| most animals can't break down cellulose but starch is easily digested |
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Term
| Foods high in fiber are most likely derived from what? |
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Definition
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Term
| Storage form of carbohydrates in animals |
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Definition
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Term
| storage form of carbohydrates in plants |
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Definition
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Term
| Facts about triglycerides |
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Definition
| 1. plays a role in energy storage 2. hydrophobic 3. type of fat 4. consists of 3 fatty acids and a glycerol |
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Term
| a diet high in what promotes atherosclerosis? |
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Definition
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Term
| what is a phospholipid composed of? |
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Definition
| one glycerol linked to one phosphate group and two fatty acids |
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Term
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Definition
| triglycerides, cholesterol, wax, steroids |
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Term
| major lipid found in cell membranes |
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Definition
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Term
| facts about anabolic steroids |
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Definition
1. Often cause body to reduce normal output of sex hormone
2. can stimulate mood swings and violent behavior
3. chemically resemble testosterone
4. cause a general build up of muscle mass |
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Term
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Definition
1. function as organic catalysts
2. regulates virtually all chemical reactions in a
3. increase the rate of chemical reactions
4. produced by cells |
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Term
| examples of types of proteins |
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Definition
1. enzymes
2. antibodies
3. contractile proteins
4. signal proteins |
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Term
| how do proteins differ from one another |
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Definition
| The sequence of amino acids in the polypeptide differ from one another |
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Term
| factors that can denaturate a protein |
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Definition
1. pH changes
2. changes in salt concentration
3. chemicals that destroy hydrogen bonds
4. heat |
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Term
| examples of a secondary structure in proteins |
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Definition
| alpha helix; pleated sheet |
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Term
| What does the tertiary structure of a polypeptide refer to? |
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Definition
| overall 3 dimensional structure |
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Term
| Know facts about nucleotides |
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Definition
1. can be linked together to form nucleic acids
2. contain nitrogenous bases
3. contain sugar molecules
4. contain phosphate group |
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Term
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Definition
A-Adenine
T-Thymine
C-Cytosine
G-Guanine
double stranded |
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Term
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Definition
A-Adenine
U-Uracil
C-Cytosine
G-Guanine
Single stranded |
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Term
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Definition
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Term
| how many amino acids are there? |
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Definition
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Term
| how do you form an amino acid? |
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Definition
| combine an amine group, a carboxyl group, and a side group |
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