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| The process by which living organisms maintain a fairly constant internal environment despite changes in the external environment. |
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Which of the following sources of scientific info is the most technical?
-nonfictional books
-peer-reviewed journals
-science magazines
-newspapers
-general interest news magazine |
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| A mad scientist has ripped apart an atom and collected all the subatomic particles located in the nucleus of the atom. Which of the following has he collected? |
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| Amino acids, dehydration synthesis |
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| Pancreatic cells make insulin, which is a type of protein these cells use _______ in order to synthesize insulin by the process of _______ |
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| A group of similar organisms capable of interbreeding and producing fertile offspring is a |
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| a properly designed controlled experiment should include both an ____ and a ____ group |
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| The acidity or alkalinity of a solution can be measured in terms of |
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| The molecule that stores the set of instructions of a cell and directs everything a cell does is |
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| The four organic molecules found in all living systems are carbohydrates, nucleic, acids, lipids, and |
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| The chemical and physical processes that are involved in energy and molecular transformations in living organisms are collectively termed |
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| Organisms made up of one cell are said to be |
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| The ability to stand upright and walk on two legs is |
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| Humans can grasp objects between their thumbs and fingers because the thumb is |
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| A group of tissues working together for a common purpose is known as an |
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| Factors that are varied during an experimental procedure are called |
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| An ____ is a tentative statement about the natural world that can lead to testable deduction |
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| a carefully planned and executed manipulation of the natural world that can lead to a testable deduction |
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| The first step of the scientific method |
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| Data obtained from scientific experiments can best be displayed in a ____, which can be used to explain the results of an experiment as well |
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| Information that takes the form of a testimonial is considered to be ____, not scientific |
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| The application of scientific knowledge to improve the condition of humans is known as |
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| The subatomic particles, ___ and _____, have approximately the same mass |
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| The number of subatomic particles _____ is the atomic number of that atom |
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| The pure form of matter that cannot be broken down into a simple form is an |
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| Atoms bond to one another to form a stable association called a(n)________. |
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| fill the outermost shell of electrons |
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| Atoms react with one another and form chemical bonds in order to ________. |
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| An electrically charged molecule or atom is a(n) ________. |
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| Molecules that are polar and attracted to water are ________; molecules that are nonpolar and therefore not attracted to water are ________. |
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| The acidity or alkalinity of a solution can be measured in terms of ________. |
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| A substance that helps to maintain a stable pH is a(n) ________. |
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| Large organic molecules that are composed of thousands of smaller molecules bonded to one another are known as ________. |
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| The process by which cells break down organic macromolecules into their subunits is ________. |
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| In order for a cell to produce a fat, it must have one molecule of ________ and three ________. |
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| The structure of a cell membrane includes a modified form of lipid called a ________. |
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The molecule that stores the set of instructions of a cell and directs everything a cell does is
________. |
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| The molecule with which an enzyme reacts is a(n) ________. |
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| Cells that have a membrane-bound organelles and cytoplasm are classified as ________ cells. |
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| Most cells are very small in order to maximize their ________ with respect to their volume. |
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| Plasma membranes become less fluid when ________ is present. |
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| Because the plasma membrane regulates the transport of molecules into and out of the cell by allowing only certain substances to pass, it is said to be ________. |
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| The net diffusion of water across a plasma membrane is known as ________. |
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| Diffusion of molecules through channels and facilitated transport are types of ________ (active/passive) transport. |
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| The movement of large molecules or large quantities of molecules into a cell is accomplished through ________; movement of these molecules out of the cell is accomplished through ________. |
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| Plasma membrane proteins that can receive and transmit information across the membrane are known as ________ proteins. |
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| The primary function of the ________ is to remove certain unwanted ions from the cell in exchange for molecules that the cell needs. |
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| The RNA and proteins required for the production of the ribosomes of a cell are produced within the ________. |
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| Alcohol is detoxified in organelles called ________. |
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| Microtubules and microfilaments compose the ________, which forms an internal network of support for the cell. |
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| Anabolic reactions result in the ________ (building/breakdown) of large molecules and therefore ________ (require/release) energy. |
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| Cellular respiration occurs in the ________ (organelle) of the cell. |
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| Glycolysis occurs in the ________ of a cell. This process ________ (does/does not) require the presence of oxygen. |
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| Specialized epithelial tissues that produce and secrete a product are known as ________. |
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| Glands that secrete their product into a duct are classified as ________ glands. |
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| Epithelial tissues are classified according to the number of cell layers making up the tissue and ________. |
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| Spot desmosomes are actually ________ junctions which allow for slight flexibility in an epithelium |
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| Connective tissue is unique because the cells secrete an ________ that can be a semi-liquid or hardened. |
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| Some fibrous connective tissues contain ________ fibers that interconnect with each other and provide an internal structural framework within an organ. |
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| The protein fibers of a fibrous connective tissue matrix are embedded in a ________ that is made up of water, polysaccharides, and proteins. |
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| Connective tissue cells that produce collagen, elastic, and reticular fibers are the ________. |
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| The function of smooth, cardiac, and skeletal muscle is ________. |
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| Skeletal muscle attaches to ________, which attaches the muscle to bone. |
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| Nervous tissue is composed of two types of cells: ________ that conduct impulses and ________ that surround and protect these cells. |
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| A group of two or more tissues that function as a unit is a(n) ________. |
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| The skin provides a waterproof barrier surrounding the body because of the presence of ________ in the epidermal cells. |
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| The presence of a suntan is due to increased activity of ________ in response to increased levels of ultraviolet radiation. |
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| The ability of living organisms to maintain a constant internal environment despite changes in the external environment is ________. |
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