Chapter 1 A | Chapter 1 B | chapter 1 C | chapter 1 D | Chapter 1 E |
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phospholipid
what do you call the molecules that form two layers in the cell membrane
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asexual reproduction
When a worm is cut in half and each half develops into a whole worm, that is an example of _____
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stimulus
When the eyelids of a duck automatically raise to cover the duck's eyes when it dives under water, the water acts as a _________
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cell
What is a membrane-covered structure that contains all of the materials necessary for life
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heredity
What is the transmission of traits from one generation to the next
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fats
oils carbohydrates
What is used to store energy in a cell
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heredity
What is the passing of traits from one generation to the next
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proteins
What helps speed up chemical reactions in the cell as well as offer protection from foreign material
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stimulus
What is A change in an organism's surroundings that causes the organism to react
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metabolism
What is a total of all the chemical reactions that occur within an organism
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ATP
What is a molecule that provides energy for cellular processes
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carbohydrate
compound made up of sugars; a major source of energy for the human body
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What are the 6 characteristics that all living things have in common
made of 1 or more cells, use energy
sense and react to changes in environment reproduce, grow and develop, have DNA |
homeostasis
What is process by which organisms maintain a relatively stable internal environment
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producer
What is an organism that can make its own food.
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Metabolism
What do you call all of the chemical activities that an organism's cells perform
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amino acids
What are sub units of protein
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simple carbohydrates
What is made of one or a few sugar molecules linked together
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asexual reproduction
process of reproduction involving a single parent that results in offspring that are genetically identical to the parent
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protein
What is large molecules that are made up of sub-units called amino acids
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nucleic acid
a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotide linked in a long chain.
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ATP
What is (adenosine triphosphate) main energy source that cells use for most of their work
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complex carbohydrates
What is made of many simple sugar molecules linked together
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DNA
A complex molecule that provides instructions for making molecules called proteins which pass on genetic characteristics
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lipid
What is a compound that cannot mix with water; some store energy, others form cell membrane
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