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110 Cards in this Set
- Front
- Back
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Diffusion |
Substance is moving from higher to lower |
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What causes diffusion? |
Brownian Movement |
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Diffusion is a type of __________ _____________. |
passive transport |
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___________ diffuse fastest. |
Gases |
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What effect does temperature have on diffusion? |
higher temperatures diffuse fastest |
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Lighter weight leads to (faster/slower) diffusion? |
Faster |
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Osmosis |
diffusion of water from area of greater pressure to area of lower pressure |
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In a hypertonic environment, water moves ____. |
out |
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What occurs in a hypertonic plant cell? |
Plasmolysis |
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What happens in a hypertonic animal cell? |
Cremation |
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In a hypotonic environment, water moves ___. |
In |
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What happens in a hypotonic plant cell? |
Turger pressure - cell will not burst due to the cel wall |
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What happens in a hypotonic animal cell? |
Cytolosis |
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Is this a hypertonic or hypotonic plant cell? |
Hypotonic |
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Is this a hypertonic or hypotonic plant cell? |
Hypertonic |
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Active transport requires _______. |
Energy |
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A plasma membrane has __________ ____________. |
Selective permeability |
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What are the three types of cell division? |
Binary fission, mitosis, meiosis |
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What is binary fission? |
Only in prokaryotes and bacteria |
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What is binary fission? |
Only in prokaryotes and bacteria |
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What is mitosis? |
Occurs in all eukaryotic cells |
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What is binary fission? |
Only in prokaryotes and bacteria |
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What is mitosis? |
Occurs in all eukaryotic cells |
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What is meiosis? |
Only occurs in germ cells to produce sex cells |
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Meiotic division is the process of meiosis leading to the formation of specific cells in animals. Name this cell |
gametes |
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Meiotic division is the process leading to the formation of specific cells in plants. |
Meiospores |
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The human body has ___ chromosomes and a ___loid. |
46; diploid |
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Gametes (sperm/egg) have ___ chromosomes |
23 chromosomes |
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Haploid is represented by ___ |
n |
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Haploid is represented by ___ |
n |
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Diploid is represented by _____ |
2n |
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What are the two stages of the cell cycle? |
Interphase (90%) & Mitosis (10%) |
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What happens in interphase? |
DNA replication that occurs in the S (synthesis) phase |
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Interphase has ___ sister chromatids that are held together by a _____________. |
2; centromere |
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What percentage of the cycle is interphase? |
90% |
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What percentage of the cycle is interphase? |
90% |
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What occurs in mitosis? |
Prophase, metaphase, anaphase, telophase |
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What step of meiotic division is this? |
Prophase |
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What step of meiotic division is this? |
Metaphase |
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What step of meiotic division is this? |
Prophase |
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What step of meiotic division is this? |
Anaphase |
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What step of meiotic division is this? |
Telophase |
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What is cytokinesis? |
Division of cytoplasm at the end of mitosis |
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What is cytokinesis? |
Division of cytoplasm at the end of mitosis |
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What does a plant cell require in cytokinesis? |
cell plate |
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What is cytokinesis? |
Division of cytoplasm at the end of mitosis |
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What does a plant cell require in cytokinesis? |
cell plate |
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What doss an animal cell require in cytokinesis? |
cleavage farrow |
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FALSE TRUE TRUE FALSE |
#3G |
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Meiosis I |
homologous pairs |
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Meiosis II |
not paired in metaphase, chromatids separating |
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What do karyotypes do? |
tells gender |
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What do karyotypes do? |
tells gender |
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What is the female karyotype? |
XX |
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What do karyotypes do? |
tells gender |
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What is the female karyotype? |
XX |
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What is the male karyotype? |
XY |
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What syndrome has a trisomy on chomosome 21? |
Down Syndrome |
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What syndrome has a trisomy on chomosome 21? |
Down Syndrome |
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What syndrome has 1 X chromosome on 21? |
Turner Syndrome |
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What syndrome has a trisomy on chomosome 21? |
Down Syndrome |
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What syndrome has 1 X chromosome on 21? |
Turner Syndrome |
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Klinefelter's Syndrome |
2 or more X chromosomes but also a Y |
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What syndrome has a trisomy on chomosome 21? |
Down Syndrome |
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What syndrome has 1 X chromosome on 21? |
Turner Syndrome |
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Klinefelter's Syndrome |
2 or more X chromosomes but also a Y |
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How is a male identified in a pedigree? |
Square |
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What syndrome has a trisomy on chomosome 21? |
Down Syndrome |
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What syndrome has 1 X chromosome on 21? |
Turner Syndrome |
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Klinefelter's Syndrome |
2 or more X chromosomes but also a Y |
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How is a male identified in a pedigree? |
Square |
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How is a female shown in a pedigree? |
Circle |
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How is an affected pedigree shown? |
Shaded |
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In a pedigree, how are carriers shown? |
1/2 shaded |
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Nuclear membranes and nucleolus disappear |
Prophase |
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Spindle is formed |
Prophase |
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Sister chromatids separate |
Anaphase |
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Sister chromatids separate |
Anaphase |
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Daughter cells are formed |
Telophase |
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Sister chromatids separate |
Anaphase |
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Daughter cells are formed |
Telophase |
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Rod-shaped chromosomes are first visible |
Prophase |
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Sister chromatids separate |
Anaphase |
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Daughter cells are formed |
Telophase |
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Rod-shaped chromosomes are first visible |
Prophase |
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Chromosomes line up on equatorial plane |
Metaphase |
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New nuclei are formed |
Telophase |
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New nuclei are formed |
Telophase |
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Daughter chromosomes migrate to opposite poles of the cell |
Prophase |
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Produces haploid cells from diploid cells |
Meiotic cell division |
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Produces haploid cells from diploid cells |
Meiotic cell division |
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Cell divisiob in prokaryotes |
Binary fission |
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Produces haploid cells from diploid cells |
Meiotic cell division |
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Cell divisiob in prokaryotes |
Binary fission |
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Enables growth in multicellular organisms |
Miotic cell division |
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Produces haploid cells from diploid cells |
Meiotic cell division |
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Cell divisiob in prokaryotes |
Binary fission |
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Enables growth in multicellular organisms |
Miotic cell division |
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Produces gametes in animals |
Meiotic cdll division |
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Produces haploid cells from diploid cells |
Meiotic cell division |
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Cell divisiob in prokaryotes |
Binary fission |
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Enables growth in multicellular organisms |
Miotic cell division |
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Produces gametes in animals |
Meiotic cdll division |
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Occurs in both haploid and diploid cells |
Mitotic cell divison |
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Produces haploid cells from diploid cells |
Meiotic cell division |
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Cell divisiob in prokaryotes |
Binary fission |
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Enables growth in multicellular organisms |
Miotic cell division |
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Produces gametes in animals |
Meiotic cdll division |
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Occurs in both haploid and diploid cells |
Mitotic cell divison |
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Produces meiospores in plants |
Meiotic cell division |
