General Biology: Definitions and explanations page 9 PDF | Download eBooks

Learn general biology terms with definitions and explanations, biology terminologies (Page 9) for biology degree programs.


  1. What is Inborn immunodeficiency?
    Depending on the specific defect, either innate or adaptive defenses - or both - may be ...
  2. What is Incomplete dominance?
    Incomplete dominance is a form of intermediate inheritance in which one allele for a specific trait ...
  3. What are Incomplete flowers?
    Flowers that lack any of the important parts of the flowers as described previously, are called ...
  4. What is Indeterminate growth?
    Indeterminate growth is growth that is not terminated in contrast to determinate growth that stops once ...
  5. What are Inducible enzymes?
    An adaptive enzyme or inducible enzyme is an enzyme that is expressed only under conditions in ...
  6. What is Inflammatory response?
    Inflammation is part of the complex biological response of body tissues to damaging stimuli, such as ...
  7. What is Ingestion?
    Ingestion is the consumption of a substance by an organism. in animals, it normally accomplished by ...
  8. What is Innate immunity?
    In innate immunity, which includes barrier defenses, molecular recognition relies on a small set of receptor ...
  9. What are Insertions?
    An insertion (also called an insertion mutation) is the addition of one or more nucleotide base ...
  10. What is Insulation?
    For mammals without hair, insulation is accomplished by blubber, a thick layer of fat tissue which ...
  11. What is Integumentary system?
    The integumentary system comprises the skin and its appendages acting to protect the body from various ...
  12. What is Integumentary?
    The integumentary system comprises the skin and its appendages acting to protect the body from various ...
  13. What are Interferons?
    Interferons (ifns) are a group of signaling proteins made and released by host cells in response ...
  14. What is Intersexual selection?
    Intersexual selection is when one biological member chooses the other based on certain appearance or fitness ...
  15. What is Interstitial fluid?
    The interstitial fluid and the plasma make up about 97% of the extra cellular fluid, and ...
  16. What is Intrasexual selection?
    A good example of intrasexual selection is when a single male may patrol a group of ...
  17. What are Introns?
    The non coding regions on an mrna transcript are called the introns. they do not code ...
  18. What is Inversion?
    An inversion is a chromosome rearrangement in which a segment of a chromosome is reversed end ...
  19. What are Invertebrates?
    Invertebrates are animals that neither possess nor develop a vertebral column which is commonly known as ...
  20. What is Ionic compound?
    Ionic compounds are formed when there is a transfer of valence electrons from one a metallic ...
  21. What are isomers?
    Isomers of an element isomers are ions or molecules with identical formulas but distinct structures. isomers ...
  22. What is Isotonic?
    Any body that has the same osmotic pressure as the other body. there will be no ...
  23. What is Isotope?
    Different forms of the same element atoms that may have same number of protons but different ...
  24. What are Jasmonades?
    Regulate a wide variety of functions, including fruit ripening, floral development, pollen production, tendril coiling, root ...
  25. What is Karyotype?
    A karyotype is the number and appearance of chromosomes in the nucleus of a eukaryotic cell. ...
  26. What is Kidney?
    The kidneys are two bean-shaped organs found in vertebrates. they are located on the left and ...
  27. What is Kinetic energy?
    The kinetic energy of an object is the energy that it possesses due to its motion. ...
  28. What is Kinetochore?
    A kinetochore is a disc-shaped protein structure linked with replicated chromatids in eukaryotic cells. it is ...
  29. What is Klinefelter syndrome?
    Klinefelter syndrome is a trisomal disorder in which the person has 3 sex chromosomes instead of ...
  30. What is Lacteal?
    A lacteal is a lymphatic capillary that absorbs dietary fats in the villi of the small ...
  31. What is Lagging strand?
    Dna replication happens on both the strands meaning that both strands serve as templates for the ...
  32. What is Land subsidence?
    Subsidence is the sudden sinking or gradual downward settling of the ground's surface with little or ...
  33. What is Large intestine?
    The large intestine, also known as the large bowel, is the last part of the gastrointestinal ...
  34. What is Larva?
    A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. animals with ...
  35. What is Larynx?
    The larynx is also called the voice box. it is an organ in the top of ...
  36. What is Latency?
    Latent viruses do not trigger an adaptive immune response everince production of most viral proteins and ...
  37. What is Law of segregation?
    Law of segregation states that during gamete formation, the alleles for each gene segregate from each ...
  38. What is Leading strand?
    Dna replication happens on both the strands meaning that both strands serve as templates for the ...
  39. What is Leaf area index?
    Leaf area index (lai) is a dimensionless quantity that characterizes plant canopies. it is defined as ...
  40. What is Leaf primordia?
    Leaf primordia are small cellular outgrowths, that develop into the leaves. these leaf primordia's occur in ...
  41. What is Leaf?
    In addition to intercepting light, leaves exchange gases with the atmosphere, dissipate heat, and defend themselves ...
  42. What is Lebers Hereditary Optic Neuropathy?
    Leber's hereditary optic neuropathy (lhon) or leber hereditary optic atrophy is a mitochondrially inherited disorder which ...
  43. What are Lenticels?
    A lenticel is a porous tissue consisting of cells with large intercellular spaces in the periderm ...
  44. What are Leukocytes?
    Leukocytes is another name for the white blood cells. these are the cells of the immune ...
  45. What is Lichen?
    A lichen is a composite organism that arises from algae or cyanobacteria living among filaments of ...
  46. What is Ligand gated ion channel?
    Ligand-gated ion channels are a group of vital proteins on the cell that are also usually ...
  47. What are Ligands?
    A ligand is an ion or molecule (functional group) that binds to a central metal atom ...
  48. What is Lignin?
    Lignin is a class of complex organic polymers that form key structural materials in the support ...
  49. What are Lineage based mechanisms?
    Many scientific findings suggested that cell fate was restricted early in development and that cells passed ...
  50. What are Linkage groups?
    Linkage group, in genetics, all of the genes on a single chromosome. they are inherited as ...
  51. What are Linked genes?
    Linked genes are genes that are likely to be inherited together because they are physically close ...
  52. What is Linker DNA?
    The dna that links the nucleosome beads together is called the linker dna. linker dna is ...
  53. What is Loams?
    Loam is soil composed mostly of sand, silt, and a smaller amount of clay. by weight, ...
  54. What is Locus?
    A specific location of a gene along the length of a chromosome is called its locus. ...
  55. What are Long day plants?
    Some plants require only a short night to flower. these are termed as long day plants. ...
  56. What is Loose connective tissue?
    Loose connective tissue is a category of connective tissue which includes areolar tissue, reticular tissue, and ...
  57. What is Low density lipoprotein?
    Low-density lipoprotein is one of the five major groups of lipoprotein which transport all fat molecules ...
  58. What are Lungs?
    In mammals and most of the vertebrates, two lungs are located near the backbone on either ...
  59. What is Lymph node?
    A lymph node or lymph gland is an ovoid or kidney-shaped organ of the lymphatic system ...
  60. What are Lymphocytes?
    A lymphocyte is one of the subtypes of a white blood cell in a vertebrate's immune ...