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13 Cards in this Set
- Front
- Back
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Define Mitosis |
A cell cycle that forms two new nuclei |
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Describe the four stages of Mitosis |
1.) Prophase 2.) Metaphase 3.) Anaphase 4.) Telophase
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Describe the structure of DNA |
A pattern of numerous nucleotides- made up of a sugar, a phosphate, and a base (Adenine, Thymine, Cytosine, and Guanine |
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Which nitrogen bases match with each other |
A<---->T (adenine and thymine) C<---->G (cytosine and guanine) |
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Describe how DNA copies itself and how the chromosomes are divided between the daughter cells |
1.) Molecule splits 2.) Base finds other bases 3.) DNA is divided equally between daughter cells |
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The number of chromosomes in the sex cells of an organism is always____________ the number of body cells |
half |
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Define and give an example of Internal Fertilization |
Def: Egg and sperm cell join inside of the female's body
Ex: Reptiles, Birds, Mammals |
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Define and give an example of External Fertilization |
Def: Sex cells unite outside the body of the parents
Ex: Most Amphibians, and Some Fish
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The reactants for photosynthesis are _________ and ________ |
a. carbon dioxide b. water |
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The products needed for photosynthesis are ________ and ______ |
a. glucose b.oxygen |
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What happens during cellular respiration? |
Cells use oxygen to produce food |
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Name 3 methods of asexual reproduction and examples |
1.) Budding- Hydra
2.) Fragmentation-Flatworms
3.) Regeneration-Sea Star |
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Put these words into the right sections: -meiosis-asexual-same DNA as parent-mitosis-mixture of DNA-one parent-two parents-sexual |
Asexual Sexual Mitosis Meiosis 1 parent 2 parents same DNA mixture of DNA |
