Biol 130 - Study guides, Class notes & Summaries

what is biology? - ️️study of life organisms must have five characteristics - ️️-energy -cells -information (genetic) -replication/reproduction -evolution cellular level - ️️atom, molecule, organelle, cell organismal level - ️️tissue, organ, organ system, organism population level - ️️population, species, community, ecosystem (makes up biosphere) emergent properties - ️️characteristic of a system that does not appear in any part of the system scienti...

BIOL 1306 Test 1 - Questions and Answers Molecules which are amphipathic, means they __________. are composed of a hydrophilic (polar) region and a hydrophobic (non-polar) region. Most chemical reactions of the body occur in _______. Water Blood NaCl the stomach None of the above The biochemical properties of phospholipids affect the fluidity of the plasma membrane. All the following factors contribute to making the plasma membrane more fluid EXCEPT Short hydrocarbon tails. The presence of dou...

BIOL 1306 Test 4 - Questions and Answers Conjugation between bacterial cells involves the equal contribution of genetic material from one bacterial cell to the other. False Polymerase Chain Reaction is a type of technology used in the laboratory to produce multiple copies of DNA from a very small sample of DNA. True Somatic cell mutations are found in every cell of the adult organism? False A virus enters a dormant state within its host; this is an example of what type of reproductive cycle? -...

BIOL 1301 final exam(part 3) with 100% Correct Answers

BIOL 1301 Final Exam with 100% Correct Answers

BIOL 1306 Final Exam - Questions and Answers Before a cell divides, it is crucial that all the DNA is first replicated (copied). True The building blocks of DNA are _________. Nucleotides The cell's ability to control its own level of gene expression is called ___________. Gene regulation All the following statements are true regarding mutations EXCEPT -Mutations can be harmful. -Mutations are spontaneous. -Mutations are random. -Mutations can be neutral. -All the above are true regarding muta...

long range receptors - ️️Endocrine, parcine Short Range receptors - ️️Neuronal and Contant dependent endocrine signals (hormones) - ️️are secreted into extracellular fluids and travel via the bloodstream paracine signaling - ️️a form of cell-cell communication in which a cell produces a signal to induce changes in nearby cells, altering the behavior or differentiation of those cells. neuronal signaling - ️️Also called synaptic, a neurotransmitter crosses synapse t...

BIOL 1306 Test 3 - Questions and Answers The region of the tRNA that base-pairs with mRNA during translation, is the Anticodon The movement of the polypeptide from the tRNA in the P site to the tRNA in the A site, is referred to as Elongation In flower plants, red (R) is a dominant over white (r).What would be the genotype of a heterozygous dominant plant? -White -rr -Rr -Red -RR A homozygous dominant red-flowering plant is crossed with a homozygous white-flowering plant and results in producin...

UH Cheek/Farmer/Gifford Biology 1307 (Biology for Science Majors 2) Exam 1 Class Notes + Exam (Answered in document)