Term
| What gives structure and its barrier? |
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Definition
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Term
| Very selective so they can keep conditions inside the cell stable |
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Definition
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Term
| Double layer made up of phospholipids |
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Definition
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Term
| Composed of a hydrophobic head and a hydrophillic tail |
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Definition
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Term
| Type of protein that allows molecules and ions to go through |
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Definition
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Term
| Protein that interacts with specific molecules so they can cross plasma memberane. (cause of obesity) |
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Definition
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Term
| Proteins that can recognize cell type and help guide cells together |
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Definition
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Term
| Proteins have binding parts and have hormones that trigger changes |
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Definition
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Term
| Proteins act in catalyzing certain reactions |
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Definition
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Term
| Each cell membrane structure allows some substances but not others cross it in certain ways at certain times. |
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Definition
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Term
| The net movement of like molecules or ions down a concentration gradient |
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Definition
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Term
| Number of molecules/ions in a given volume. |
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Definition
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Term
| Drives the movement of molecules & speeds up the reaction so the molecules will move down the concentration gradient |
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Definition
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Term
| How steep the gradient is. |
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Definition
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Term
| The higher the temperature, the faster the reaction |
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Definition
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Term
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Definition
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Term
| Something passes through the membrane without an energy boost (higher to lower) |
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Definition
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Term
-Lower to higher
-Requires energy
-Exocytosis & Endocytosis |
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Definition
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Term
| Movement out of the membrane |
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Definition
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Term
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Definition
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Term
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Definition
| When a solute is taken in |
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Term
| Passive movement of water molecules across a differentially permeable membrane |
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Definition
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Term
| Water will move from a ____ concentration to a ____ concentration |
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Definition
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Term
| The same concentration on each side, water shows no movement |
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Definition
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Term
| Has a lower concentration of solutes than the fluid |
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Definition
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Term
| Has a higher concentration of solute than the fluid |
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Definition
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Term
| Water tends to diffuse from ____ to ____ |
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Definition
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Term
| In this type of solution, sometimes the cell will burst because it fills with water |
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Definition
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Term
| In this type of solution, a cell may shrink up because all water goes inside the cell |
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Definition
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Term
| Was a monk, raised on a farm, kept good records, studied plants |
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Definition
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Term
| Mendel used what type of a plant as an experimental plant? |
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Definition
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Term
| Mendel performed what type of fertilization? |
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Definition
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Term
| Why is the pea plant good? (4) |
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Definition
-Pea plant can fertilize itself
-True breeding
-Cross fertilizes easily
-Has good characteristics |
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Term
| Units of information about specific traits. Located in the locus in the chromosome. |
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Definition
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Term
| Have a pair of genes for each trait (2N). Ex: skin cells |
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Definition
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Term
| Different molecular forms of the same gene |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| The particular alleles an individual carries |
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Definition
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Term
| An individual's observeable traits |
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Definition
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Term
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Definition
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Term
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Definition
| first generation offspring |
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Term
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Definition
| second generation offspring |
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Term
| This type of cross is concerned with only one characteristic |
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Definition
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Term
| When one gene is going to have an effect on two or more traits |
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Definition
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Term
| Who had the Marfan Syndrome? |
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Definition
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Term
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Definition
-Sample blood
-Put in centrifuge
-Colchine blocks cell division by not allowing spinolles to form
-Saline solution so cells will not pop
-stain cells
-Smash cells to put on a slide
-22 pairs of autosomes & 1 pair of sex chromosomes |
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Term
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Definition
| To see exact state of genetic compliment of an individual |
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Term
| Unit of info of heritable traits |
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Definition
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Term
| Possess pairs of homologous chromosomes |
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Definition
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Term
| Slightly different form of molecular forms of the same gene |
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Definition
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Term
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Definition
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Term
| Some may go one way, some may go a different way |
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Definition
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Term
| Males genetic combination |
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Definition
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Term
| Woman's genetic combination |
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Definition
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Term
| Specific chromosomes that are linked together & will always appear together |
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Definition
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Term
| What you get when there is crossing over |
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Definition
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Term
| Why are human genetics difficult to study? |
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Definition
| Because of different environments, conditions, ect. |
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Term
| Chart of genetic combinations among individuals |
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Definition
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Term
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Definition
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Term
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Definition
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Term
Passed through autosomes and recessive genes. ex: albaism, sickle cell anemia.
Both mom and dad would have to have recessive gene |
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Definition
| Autosomal recessive inheritance |
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Term
| In autosomal recessive inheritance, _____ individual would be symptom free |
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Definition
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Term
| Dominant gene would be expressed. Reduces change of offspring surviving. ex: Dwarfism |
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Definition
| Autosomal dominant inheritance |
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Term
| Mutated gene occurs only on x-chromosomes. Males are more often affected, because they have single 'x' not dominated by another gene |
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Definition
| X-linked recessive inheritance |
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Term
| After crossing over, part of the chromosome structure was replicated |
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Definition
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Term
| A linear stretch of DNA within the chromosome becomes oriented in reverse direction |
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Definition
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Term
| A broken part of a chromosome becomes attached to a nonhomologus chromosome |
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Definition
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Term
| Loss of a segment of a chromosome |
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Definition
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Term
| One extra, or one less, chromosome |
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Definition
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Term
| 3 or more of each type of chromosomes |
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Definition
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Term
Syndrome in which patient has 3 chromosomes instead of 2
An example of ____ |
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Definition
Down Syndrome
nondisjunction |
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Term
| Females that have only one 'x'. An XO syndrome. Become infertile, permature aging, shorter life expectancy. Caused by nondisjunction |
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Definition
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Term
| Taller, slimmer than average, are fertile, within range of normal behavior |
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Definition
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Term
| Nondisjunction in males. Sterile. Metnally retarded. |
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Definition
| XXY or Klinefelter syndrome |
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Term
| Taller than average. Mentally retarded |
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Definition
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