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The flashcards below were created by user
ToriG
on FreezingBlue Flashcards.
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Atom
the smallest stable unit of matter in creation
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Molecule
two or more atoms linked together to make a substance with unique properties
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Photosynthesis
the process by which a plant uses the energy of sunlight and certain chemicals to produce its own food
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metabolism
the process by which a living organism takes energy from its surrounding and uses it to sustain itself, develop, and grow
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receptors
special structures or chemicals that allow living organisms to sense the conditions of their surroundings
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cell
the smallest unit of life in creation
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what are the four criteria for life
- 1. all life forms contain dna
- 2. all life forms have a method by which they energy from the surroundings an convert it into energy that helps them live
- 3.all life forms can sense changes in their surroundings and respond to those changes
- 4. all life forms reprodice
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what dose DNA provide to a living organism
information. This information is necessary to turn lifeless chemicals into a living organism.
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compared to other molecules is DNA a big or small
big. DNA is one of the biggest molecules in Creation.
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does DNA store kits information more efficiently or less efficiently than a computer
more
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which part stores the information
nucleotides *Remember, the information of a living organism is stored as a sequence of nucleotides.
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which part forms the double helix structure
the backbone forms long ribbons that twist to make the double helix structure.
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which nucleotide will link with adenine
thymine
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which will link with cytosine
guanine
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One half of a portion of DNA has the following sequence: cytosine, guanine, adenine, guanine, thymine, thymine
What is the sequence of nucleotides on the other half of this portion?
guanine, cytosine, thymine, cytosine, adenine, adenine
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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 of this portion?
adenine, cytosine, guanine, thymine, adenine, cytosine
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what is the name of the chemical that plants use to make food
glucose (plants use photosynthesis to make this)
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what is name the chemical that plants store their food as
starch
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what is a biosphere
when you have a living system that is isolated from its surroundings and its cotents continue to grow to live and grow that system is called a biosphere
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metabolism requires food and what else
oxygen
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metabolism produces energy and what else
water,carbon dioxide
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an organisms receptors don't work, which criteria will it not be able to perform (write out the criterion)
3. all life forms can sense changes in their surroundings and response to those changes
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which will have more babies the 2 sharks or the 2 anchovy
anchoy
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if the cat cant reproduce dose this mean its not alive
it is alive because it has cell that reproduce
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is the population on earth becoming a problem
no *The speed at which the human population is increasing has been slowing every year. Also, there is more food per person today than ever before. Finally, the cost of raw materials is lower than ever. Thus, there are no indications which point to trouble.
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20
- a. organelles
- b.cytoplasm
- c.nucleus
- d.membrane
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in the pic where is DNA stored
c. nucleus
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how many basic kinds of cells are there
three (plant cells, animal cells, and cells from bacteria)
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if I scientist studies cells from a mouse,a cat, a leaf how many different cells are they
2
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