Term
1. Organization
2. Metabolism
3. Sense and respond to environment
4. Growth and Development
5. Reproduction
6. Evolve
7. Homeostasis
These are all characteristics of what? |
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| Blood, lymph, plasma, synovial fluid are all types of what kind of body fluid? |
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| Anatomy that changes during an illness is known as? |
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| Gross anatomy of specific regions, head, neck ect. are referred to as? |
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| List the 5 steps in the feedback loop. |
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Definition
1. Stimulus
2. receptor
3. Control center
4. effector
5. response |
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| Reversing a change in a controlled environment is a type of? List 2 examples |
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Definition
Negative feedback system
1. temperature regulation
2. glucose |
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Term
| Strengthens or reinforces a change in a controlled condition. List 2 examples |
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Definition
Positive feedback system
1.labor
2.blood clotting |
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Term
| Substances that cannot be split into smaller substances by ordinary chemical or mechanical means. |
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Definition
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| How many elements in the human body? |
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Definition
26 in the body
13 of those are trace elements |
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| What 4 elements make up 96% of total body mass? |
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Definition
| Carbon, Oxygen, hydrogen, nitrogen |
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Term
| smalledst unit of matter that retains the properties and characteristics of the element. |
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Definition
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| Name 3 subatomic particles |
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Definition
| Protons, neutrons, electrons |
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Term
Protons are _____________Charged.
Neutrons are ___________charged.
Electrons are ___________charged. |
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Definition
Positive
no charge
negative |
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Term
| Each orbital can hold a specific number of? |
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Definition
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Term
| Electrons found in the outer shell are known as? |
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Definition
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Term
| The number of protons of an atom? |
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Definition
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Term
| the number of protons and the number of neutrons are known as? |
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Term
| atoms of the same element may have ___________ mass numbers. |
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Term
| atoms of an element with different numbers of neutrons are? |
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Term
| An atom that has lost or gained an electron? |
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Definition
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Term
| Ions that are positive because they have lost an electron. |
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Definition
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Term
| Ions that are negative because they have gained an electron. |
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Term
| Substances that dissociate into cations and anions. |
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Term
| Formed when 2 or more atoms share one or more electrons. |
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| Molecules with 2 or more different elements is known as a? |
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Definition
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Term
| An electrically charged atom or group of atoms with an unpaired electron in its outermost shell. |
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Term
| these are highly reactive, can damage other molecules, and play a role in the aging process. |
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| Forces that hold atoms together are? |
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Definition
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| One atom is more likely to interact with another if doing so will leave both with 8 valence electrons. This is known as? |
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Definition
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Term
Atoms with 8 electrons in ther valence shell are chemically
_________________________. |
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Definition
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Term
| atoms with more or less than 8 eloctrons in their valence shell are chemically ____________. |
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Definition
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Term
| Hydrogen can only hold ___ electrons in it's valence shell. |
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Definition
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| Name the 3 types of chemical bonds. |
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Definition
1. Ionic bonds
2. Covalent bonds
3. Hydrogen bonds |
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Term
| An example of a ionic bond is? |
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Definition
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Term
| Ionic bonds occur between ________and____________. |
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Definition
| Anions and cations due to their +,- attraction. |
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Term
| which type of bond is important for the structures of teeth and bones. |
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Definition
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Term
| This type of bond is stronger than hydrogen bonds, but weaker than covalent bonds. |
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Term
| Atoms that share a pair of electrons are known as ______________? |
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Definition
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Term
| covalent bonds can share up to __ pairs of electrons. |
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| Most of the bodies structures are formed with what type of bonds? |
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| When covalent bonds share electrons equally it is known as? |
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Definition
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Term
| Covalent bonds that occur when an atom has a stronger attraction for the pair of electrons than the other. eg, water |
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Definition
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| The strongest type of bond is? |
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Definition
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| this type of bond is important for waters surface tension/cohesion. |
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Definition
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| The weakest of the 3 bonds is? |
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Definition
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| Name 3 things that increase the liklihood that a chemical reaction will occur. |
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Definition
1.increase the concentration of reactants.
2. heat the reactants
3. provide a catalyst. |
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Term
| the most common high energy compound is? |
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Definition
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| Name 2 subatomic particles found in the nucleus of an atom |
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Definition
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| Which molecule is used for long-term storage of energy? |
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Definition
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| Which gives macromolecules it's unique properties |
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Definition
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Term
| which 2 types of chemical reactions gives amino acids being combined to form properties. |
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Definition
1. condensation
2. dehydration |
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Term
| What acts to transport excess cholesterol for excretion from the body? |
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Definition
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Term
| Estrogen and testosterone are examples of? |
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Definition
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Term
| Phopholipids are unique because they have? |
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Definition
| Hydrophylic heads and hydrophobic tails. |
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Term
| When a fatty acid is said to be saturated it means? |
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Definition
| The molecule is "saturated" with hydrogen atoms |
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Term
| Which type of lipid is stored in adispose tissue? |
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Definition
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Term
| Which type of lipid poses the Least risk for cardiovascular disease? |
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Definition
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Term
| Glucose and fructose are both types of? |
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Definition
| Isomers and monosaccharides |
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Definition
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| Which type of molecule is most likely to dissolve in water? |
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Definition
| Molecules held together by non-polar covalent bonds |
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Term
| When blood ph is 7.0 it is said to be. |
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Definition
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Term
| The energy of movement is? |
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Definition
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Term
| chemical energy is a type of? |
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Definition
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Term
| Most of the reactions in the body would not occur fast enough without? |
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Definition
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Term
| catalysts (enzymes) are usually composed of? |
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Definition
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Term
| Occurs when a covalent bond is broken and it releases kinetic energy. |
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Definition
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Term
| formation of a complex molecule by the removal of water. |
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Definition
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Term
| Occurs when a a bond in a complex molecule is broken and a water molecule is added. |
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Definition
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Term
| Acids and bases react and form? |
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Definition
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Term
| Inorganic molecules are mostly held together by? |
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Definition
| ionic bonds and covalent bonds |
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Term
| This decreases ph and dissociates in soltion releasing hydrogen ions, and is a proton donor. |
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Definition
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Term
| this increases ph and remooves hydrogen ions from solutions and is a proton acceptor |
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Definition
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Term
| Solid inorganic molecules whose ions will conduct an electrical current in solutions. |
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Definition
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Term
| Most inorganic compounds lack? |
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Definition
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Definition
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Term
| Large compounds that perform functions for the cell are? |
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