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22 Cards in this Set
- Front
- Back
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Genetics |
the study of the inheritance and transmission of traits through deoxyribonucleic acid (DNA) |
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gene |
the basic unit of inheritance, made up of a sequence of deoxyribonucleic acid (DNA) |
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deoxyribonucleic acid (DNA) |
responsible for the genetic code of all organisms |
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DNA has four bases: |
adenine (A), thymine (T), cytosine (C), and guanine (G) |
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double helix |
the two complementary strands intertwine to produce a spiral staircase-like structure |
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In DNA, A pairs with |
T |
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In DNA, G pairs with |
C |
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amino acid |
Triplets of bases (e.g., ATG codes for methionine) |
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polypeptide chain |
A string of amino acids, much like a string of beads |
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histones |
associated proteins packed with DNA |
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Antigens are |
polysaccharides and proteins |
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The adaptive immune response includes |
humoral immunity and cell-mediated immunity |
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A synapse involves |
postsynaptic membrane, presynaptic membrane, synaptic cleft, and terminal bouton |
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Golgi tendon organs are |
mechanoreceptors |
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The release of the hormone ________ increases the concentration of calcium in the blood. |
PTH |
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For hormone action, receptors are located in |
target cells |
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The secretion of the glucocorticoids increases the concentration of ________ in the blood. |
glucose |
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Hormone release is typically controlled by a |
negative feedback loop |
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The early symptoms of diabetes mellitus are |
excess urination and thirst, fatigue, unexplained weight loss, and blurred vision. |
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Glycoproteins on cell membranes help the body |
to distinguish self cells from non-self cells |
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Organelles are divided between daughter cells during |
cytokinesis |
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A Punnett Square is used by geneticists to determine |
the possible transfer of alleles for two parents |
