Term
| A rock, a bacterium, and a frog are similar because...? |
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Definition
| Their structure and organization arise from the same fundamental properties of matter and energy. |
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Term
| The ____ is the smallest unit of matter that retains most of the characteristics of life. |
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Definition
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Term
| The changes that occur from fertilized egg to adult are most appropriately called... |
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Definition
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Term
| The largest unit of a cell, atom, and molecule is.. |
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Definition
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Term
| The largest unit of an atom, tissue, organ, molecule, and cell is... |
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Definition
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Term
| sexual reproduction is characterized by : |
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Definition
| the participation of two parents |
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Term
| A neutron is best described as: |
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Definition
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Term
| most of the mass of an atom is in the : |
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Definition
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Term
| In most atom the number of protons: |
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Definition
| is equal to the number of electrons |
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Term
| The chemical symbol for sodium is : |
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Definition
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Term
| a positive electrical charge unit |
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Definition
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Term
| The atomic number refers to the number of ____ in an atom |
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Definition
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Term
| the second energy level contains ___ electrons when it is full |
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Definition
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Term
| the carbon atom has ___ electrons in its outer shell |
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Definition
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Term
| Which of the following is a negatively charged ion? hydrogen, iron, carbonate, sodium |
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Definition
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Term
| Which of the following is not a disaccharide: sucrose, lactose, maltose and deoxyribose? |
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Definition
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Term
| Glucose joins with glucose to form: |
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Definition
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Term
| most of the carbohydrates in a plant are found in the form of : |
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Definition
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Term
| What is not a polysaccharide? |
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Definition
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Term
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Definition
| lipids, steroids and waxes |
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Term
| A lipid bilayer is found in the: |
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Definition
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Term
| Which of ( silicon, oxygen, hydrogen) is not one of the most common 6 elements found in living organisms? |
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Definition
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Term
| ___ is an example of a pentose sugar. |
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Definition
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Term
| steroids consist of __ interlocking rings. |
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Definition
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Term
| Mucleic acids are composed of carbon, hydrogen, oxygen, nitrogen and ____ |
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Definition
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Term
| The group of organic compounds that catalyze chemical reactions: |
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Definition
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Term
| the main ingredient in the tough excoskeleton of insects is: |
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Definition
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Term
| What is not a cheif way to identify protien: function, boiling or freezing point, chemical composition, solubility? |
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Definition
| Boiling of freezing point |
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Term
| polypeptides are composed of : |
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Definition
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Term
| Large chemical molecules: |
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Definition
follow the same physical laws that small molecules follow even though they may be different
& the ways they can be created |
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Term
| A lion can mate with a tiger but any offspring produced will be infertile and thus not be able to reproduce offspring. This suggests that lions and tiger cannot be part of the same: |
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Definition
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Term
| the ability to maintain a constant internal environment is : |
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Definition
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Term
| Homeostasis provide a___ environment. |
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Definition
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Term
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Definition
| prevents drastic changes in the internal environment conditions. |
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Term
| All organisms are alike in: |
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Definition
their requirement for energy
their participation in one or more nutrient cycles
their ultimate dependency on the sun
their interaction with other life forms |
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Term
| humans are a part of the: |
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Definition
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Term
| Homeostasis is best described as: |
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Definition
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Term
| An example of ecosystem homeostasis is: |
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Definition
| The same temperature year round |
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Term
| new species may arise through a process called: |
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Definition
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Term
| Biochemical similarities in bacteria and humans indicate that: |
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Definition
| there is a common ancestory |
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Term
| Evolution is something which occurs to: |
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Definition
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Term
| the meaning of natural selection is: |
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Definition
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Term
| a family would be expected to contain a larger number of organisms than would a : |
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Definition
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Term
| A molecule is best described as : |
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Definition
|
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Term
| covalent bonding includes: |
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Definition
| the type of bond found between basic bases in nucleic acids |
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Term
| In the periodic table shown in the textbook, on of the items not described for each element is: |
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Definition
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Term
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Definition
| are more numerous that inorganic compounds |
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Term
| water is best described as : |
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Definition
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Term
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Definition
| 100 times more acid then a pH of 5 |
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Term
| Atherosclerosis is a condition which is associated with large amounts of: |
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Definition
| unsaturated fatty acid molecules in the diet |
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Term
| naturally occurring proteins are constructed from |
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Definition
| about 20 different amino acids |
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Term
| Denaturation has the greatest effect on: |
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Definition
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Term
| If an atom had 20 protons, 21 neutrons and 20 electrons, its atomic number would be: |
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Definition
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Term
| If an atom had 20 protons, 21 neutrons and 20 electrons, its atomic weight would be: |
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Definition
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Term
| a chemical compose of two or more atoms is a : |
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Definition
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Term
| What kind of bond is formed by the attraction of opposite charged ions? |
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Definition
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Term
| what type of bond is formed when two atoms share a pair of electrons? |
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Definition
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Term
| what kind of bond is formed between a slightly positive atom on one molecule and a slightly negative atom on a different molecule? |
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Definition
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Term
| what is true about water? |
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Definition
water helps regulate body temperature
water can act as a lubricant in humans
water composes nearly 2/3 of the human body
water is an important solvent in humans |
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Term
| Genes are made of DNA, these molecules belongs to what group of compounds? |
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Definition
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Term
| Steroid hormaone belong to what group of compounds? |
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Definition
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Term
| enzymes which speed up chemical reactions and the structural compounds keratin and collagen are all: |
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Definition
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Term
| Monosaccharides, disaccharides, and polysaccharides are : |
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Definition
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Term
| The human species probably started on the continent of : |
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Definition
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Term
| Which of the following does not involve using energy to do work? |
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Definition
atoms being bound together to form molecules
the division of one cell into two cells
the digestion of food |
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Term
| A biosphere is characterized by: |
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Definition
interdependency
energy flow
mineral cycles
diversity |
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Term
| The intermost electron shell of an atom holds a maximum of : |
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Definition
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Term
| In an ionic bond, the bond is caused by: |
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Definition
|
|
Term
| there are ___ kingdoms used in biological classification. |
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Definition
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Term
| atoms of the same substance combine to form: |
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Definition
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Term
| A bacterium belongs to the kingdom: |
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Definition
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Term
| a mushroom belongs to the kingdom: |
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Definition
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Term
| Which of the following is a positivley charged ion. (chloride, potassium, hydroxide, and phosphate) |
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Definition
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Term
| sodium has 11 electrons, it has __ electrons in its outer shell. |
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Definition
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Term
| Which of the following is an organic compound? (salt, acid, protien, water) |
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Definition
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Term
| Aqueous ammonia (ammonium hydroxide) is and example of a : |
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Definition
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|
Term
| the bonds of organic compounds are: |
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Definition
| single, double and triple |
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Term
| In a typical carbohydrate molecule the most common atom is: |
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Definition
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Term
| which of the follwoing is a disaccharide? (sucrose, ribose, glucose, fructose) |
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Definition
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Term
| The lightest subatomic particle is the : |
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Definition
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Term
| the atomic number refers to the number of _____ in an atom. |
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Definition
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Term
| An atom with 5 valence electrons would be expected to react with an atom with ___ valence electrons. |
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Definition
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|
Term
| A reduction reaction in living organisms involves: |
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Definition
| a gain of a hydrogen atom |
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Term
| Bicarbonate ions and carbonic acid function in: |
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Definition
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|
Term
| the most common type of hexose in a persons body is: |
|
Definition
| glucose (hexose is sugar) |
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Term
| What is an example of a pentose sugar? |
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Definition
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Term
| THe amino acids could be considered : |
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Definition
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Term
| the sequence of amino acids is known as ____ proteins structure. |
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Definition
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Term
| A twisted telephone cord is said to exhibit a protein___ structure. |
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Definition
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Term
| Folding and coiling of a protein results in its____ structure. |
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Definition
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Term
| True of False: Bacterial cells have nuclei and several different kinds of organelles. |
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Definition
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Term
| True of False: Viruses are not structurally organized. |
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Definition
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Term
| The adjective that best describes homeostasis in living organisms is: |
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Definition
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|
Term
| The explanation for the diversity of coral reef organisms is that it is: |
|
Definition
a result of natural selection
a result of differential survival and reproduction
a result of inherited differences between organisms
an expression of the different ways organisms can compete for needed ingreients |
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Term
| Energy in living things originates in the : |
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Definition
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Term
|
Definition
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|
Term
| Irritability is most closely related to : |
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Definition
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|
Term
|
Definition
| can never combine with other (different) elements |
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Term
| In most atoms the number of protons is: |
|
Definition
| equal to the number of electrons |
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Term
| Unstable isotopes often result from the addition of : |
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Definition
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|
Term
| A nitrogenous base is most likely to be found in: |
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Definition
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|
Term
| ATP is a molecule most closely associated with: |
|
Definition
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|
Term
| Which is the positively charged particle that is found in the nucleus of an atom? |
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Definition
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|
Term
| Which subatomic particle has a negative charge and orbits the nucleus of an atom? |
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Definition
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|
Term
| Which solution would have the greatest concentration of hydrogen ions? (pH1,pH2, pH7) |
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Definition
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|
Term
Which of the following is a neutral pH?
pH1, pH2, pH7, pH9, pH13 |
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Definition
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|
Term
| What class of compounds contains sugars and starches? |
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Definition
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Term
| This diverse group of compounds is insoluble in water. |
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Definition
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|
Term
| Which group of compounds is composed of amino acid building block? |
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Definition
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