Term
Part of photosynthesis where a photon of light excites electrons in chlorophyll and splits water. |
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Definition
The non-cylic Light Reaction |
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Grana consists of stacks of _________ membranes in the cholorplasts |
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Liquid interior of cholorplast |
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Principle photosynthetic pigment in land plants |
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What kind of plants save water by opening their stomata at night and closing them during the day? |
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Accessory pigments that give fall leaves their yellow and orange colors? |
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What is part of the non-cyclic electron flow where water is split? |
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Definition
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Organelle where photosynthesis takes place? |
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Definition
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Process by which plants and other organisms harvest energy from the sun to make sugar and O2 from CO2 and water. |
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What cycle comprises the light independent reactions of photosynthesis? |
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Reaction involving RuBp and CO2 at the beginning of the Calvin cycle is catalyzed by__________. |
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What part of meiosis does crossing over occur in? |
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After meiosis II each chromosome consists of 1 _______. |
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Definition
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What type of cell division occurs only in the formation of gametes? |
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Definition
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What creates new combinations of alleles on a chromosome? |
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Meiosis begins with a diploid cell and results in 4____________. |
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Definition
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Homologous chromosomes are separated to opposite poles of the cell during what stage of meiosis? |
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Definition
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What kind of chromosomes line up at the equator of the cell during metaphase I of meiosis? |
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Definition
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Term
What do homologous chromosomes do during prophase I of meiosis? |
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Definition
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Term
Prior to meiosis, a germ cell is __________ in chromosome number. |
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In oogenesis, meiosis I results in one secondary oocyte and one what? |
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One of two identical parts of a chromosome after replication of DNA just before mitosis |
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DNA molecule and associated proteins. |
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Definition
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A special type of nuclear division that occurs only in the formation of gametes. |
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Definition
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What kind of apparatus consists of microtubules and moves chromosomes around during mitosis? |
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Definition
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Term
Stage of mitosis when chromatids are pulled to the opposite ends of the cell. |
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Definition
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Term
Stage of mitosis when the chromosomes relax and the nuclear envelope forms around 2 new nuclei |
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Definition
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Term
Nuclear division as it occurs in normal cell division |
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Definition
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Term
Where tow identical chromatids are joined at the center of a chromosome. |
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Definition
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Term
Found in animal cells, pairs of these migrate to opposite ends of the cell during mitosis. |
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Definition
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Stage of mitosis when the chromosomes condense and the nuclear memberane dissapears. |
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Definition
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Term
stage of mitosis when the chromosomes line up on the equator of the cell. |
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Definition
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Term
What does the theory of assortment state? |
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Definition
That each pair of chromosomes and the genes they carry are separated into gametes independently of other pairs during meiosis. |
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Term
What usually causes Aneuploidy during meiosis? |
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Definition
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Term
When the alleles for a trait on both homologous chromosomes are identical. |
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Definition
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When one allele is not fully dominant over the other it is called... |
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Definition
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Term
Theory that every offspring inherits one discrete unit of information for a trait from each parent. |
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Definition
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Interaction among the products of two or more gene pairs |
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Definition
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Effects on two or more traits due to the expression of alleles at a single locus. |
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Definition
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Too many or too few of a chomosome |
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Definition
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A test cross that examines only one trait is called what? |
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Definition
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What are usually only expressed in the homozygous condition? |
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What allele masks the expression of the other in heterezygous condition? |
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What condition is when the alleles for a trait are not identical on the homologous chromosomes? |
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Definition
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When non-identical alleles are both expressed in the heterozygous condition, it is called______. |
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Definition
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What occurs on one of the sex chromosomes? |
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Definition
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Term
What is down syndrome also called? |
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Definition
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Term
Different versions of genes |
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Definition
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Term
Discrete units that code for particular traits. |
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Definition
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