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Study Guide mod 9

Apologia General science module 9 study guide

QuestionAnswer
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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