Study Guide mod 9 Word Scramble
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Question | Answer |
define an atom | Atom- the smallest stable unit of matter in Creation |
define a molecule | Molecule- Two or more atoms linked together to make a substance with unique properties. |
define photosynthesis | Photosynthesis – The process by which a plant uses the energy of sunlight and certain chemicals to produce its own food. |
define metabolism | Metabolism - The process by which a living organism takes energy from its surroundings and uses it to sustain itself, develop, and grow. |
define receptors | Receptors – Special structures or chemicals that allow living organisms to sense the conditions of their surroundings. |
define cell | Cell – The smallest unit of life in creation. |
what are the first two criteria for life | A. All life forms contain Deoxyribonucleic acid, which is called DNA. B All life forms have a method by which they take energy from the surroundings and convert it into energy that helps them live. |
what are the last two criteria for life? | C. All life forms can sense changes in their surroundings and respond to those changes. D. All life forms reproduce. |
what does DNA provide to a living organism | DNA provides the information necessary for life. |
does DNA store its information more efficiently or less efficiently than a computer? | DNA stores information more efficiently than a computer. |
DNA is made up of two basic parts: the backbone and the nucleotides. A- which part stores the information B- which part forms the double helix structure | A Nucleotides store information B The backbone forms the double helix. |
Which nucleotide will link to adenine? which will link to cytosine? | Thymine will link to adenine and guanine will link to cytosine |
one half of a portion of DNA has the following sequence: Cytosine, guanine, adenine, guanine, thymine, thymine. What is the sequence of the nucleotides on the other half of this portion? | guanine, cytosine, thymine, cytosine, adenine, adenine |
ONe half of a portion of DNA has the following sequence thymine, guanine, cytosine, adenine, thymine, guanine what is the sequence of nucleotides on the other half? | Adenine, cytosine, guanine thymine, adenine, cytosine |
What is the name of the chemical that plants make for food? | Glucose. |
what is the name of the chemical that plants store their food as? | Starch. |
what is a biosphere? | a biosphere is where you have a living system that is isolated from its surroundings and its contents continue to live and grow. |
metabolism requires food and something else. what is that something else? | Metabolism requires food and water |
metabolism produces energy and usually two other things. what are they? | . Water and carbon dioxide will also be produced. |
an organisms recptors no longer work. which of the four criteria of life will the organism not be able to perform | A organism will not be able to meet the third criteria for life, all life forms can sense changes in their surroundings and respond to those changes. |
consider the diffrence between a shark and an anchovy. both are fish. the first is a fierce hunter that is rarely eaten by any other animal. the second is a major source of food for many other fish in the sea. which would you expect to have more babies? | two anchovy parents. |
every once in a while a female cat will be born sterile this means the cat cannot have kittens. does this mean that the cat is not alive, since it cannot reproduce? | the cat will still be considered alive since most of its kind will be able to reproduce. |
Is the population of people on this earth becoming a problem? | the population on earth is not a problem |
how many basic kinds of cells are there? | There are three basic kinds of cells. |
if a scientist uses a microscope to examin a cell from a mouse, a cell from a leaf, and a cell from a cat, how many diffrent basic kinds of cells will she see? | The scientist will see two different kinds of cells. |
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