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61 Cards in this Set
- Front
- Back
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What is scientific theory |
Explains what we know to thus date about nature explain what we know to thus date about a natural event |
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Order of complexity |
Atom Molecule Organelle Cells Tissues Organ Organ system Organism Population |
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Defination of population |
Member of a single type of living thing, living together in a defined area |
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What is homeostasis |
Maintenance of a relatively stable environment |
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Defination of tissue |
Selection of cells that serve a common function |
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Living things inherit info from their parents encoded in what? |
DNA |
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What are subatomic particles of an atom |
Proton Nuetron Electron |
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Which subatomic plays the greatest role on chemical reactions? |
Electron |
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Why will atoms react to with other atoms? |
They want stability |
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Defination of hydrophobic molecules |
Water fearing |
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How many covalent bonds can oxygen make with hydrogen |
2 |
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Solvent |
Dissolve more compounds in greater amount than any other liquid |
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Acid |
Substance that releases hydrogen ions when put in water solution |
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Glyogen |
Multibranches polysaccharide of glucose that serves as a form of energy storage |
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What are polysaccharides? What are they made up of? |
- polymeric carbohydrate molecule composed of long chains -liked by glycosidic |
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Phospholipid |
Large lipid molecules composed of fatty acid, glycerol, and phosphate group |
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Function of Proteins |
-enzyme - tissue and muscle builder - hormone production |
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What is protein made of? |
Carbon hydrogen oxygen and nitrogen |
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What is DNA made of? |
Nucleotides Phosphate sugar and nitrogen |
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Organelles found in animal |
All the organelles |
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The outter boundary of animal cell |
Plasma membrane |
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Main function of nucleus |
Contains DNA |
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Function of ribosomes |
Make proteins |
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Function of Cytoskelton |
Give the cell shape and allows things to move in it |
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What is found in plant cells and not animals? |
Cell wall, central vascular, chloroplast |
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Purpose of cell membrane |
Outer lining of the cell |
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Are fatty acid tails of phospholipid hydrophobic? |
Yes |
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What part of the plasma membrane helps keep it fluid? |
The head of the phospholipid |
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Present for something to move passively through cell membrane |
Diffusion/ concentration gradients |
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Difference between active and passive transport |
Active needs ATP |
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Entropy |
Measure of disorder in system |
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Law of thermodynamics |
Energy is neither lost nor gained, but only transformed |
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Energy currency of cells |
ATP |
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Type of organic molecule that Make up enzymes |
Proteins |
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Four bases of DNA |
Adenine, guanine, cytosine, and thymine |
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Estimated # of genes in human genome? |
20000 |
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What is being operated during anaphase of mitosis? |
Sister chromatids |
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What is the difference between cell division and plant cell division |
Cell wall |
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What is binary fission? |
Asexual reproduction |
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How many chromosomes are in a human gametes |
23 |
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Product of meiosis? Product of mitosis? |
Mitosis : two identical diploid daughter celles :Meiosis haploid daughter cells with chromosomal combination different from the originally present in parent |
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Messiah that contribute to genetic diversity |
Crossing over |
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What is a autosome |
Any chromosome that isn't a few chromosome |
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Human egg contains how many and what kind of Chromosome |
23 and only an X |
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Which type of dominance is display a bell curve? |
Polygenic inheritance |
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Who is a carrier of X linked disorders? |
Female |
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Sickle cell anemia |
Red blood cells become distorted into pickles shape causing then to not carry enough oxygen |
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Hemophilia |
Blood clotting |
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What helped determine that DNA was a double helix structure |
X-Ray diffraction |
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What units are bonded together to make a strand of DNA? |
Phosphate and sugar |
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How many different bases are there? |
4 |
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Mutation |
Changing structure of a gene of a single base unit in DNA |
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Different type of Amino Acid |
20 |
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The most critical feature in a protein that determines its function |
Shape |
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Monomers or proteins |
Amino acids |
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What is a codon |
Sequence of 3 nucleotides |
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What is the first amino acid of a new polypeptide chain? |
TRNA Methionine |
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What two taxons are used to represent the organisms |
Genus and species |
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How do you properly write the genus and species of an organism |
1. Capital 2. Lower case 3. Italic |
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What is the correct order for reasons of life |
Kingdom Phylum Class Order Famiky Genus Specues |
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What is taxonomy |
Study of animals |
