Bio 150 final exam Study guides, Class notes & Summaries

Which of the following build(s) new strands of DNA? - ANSWER DNA polymerases Which statement about DNA replication is CORRECT? - ANSWER The leading strand is built continuously, and the lagging strand is built in pieces. The molecule that seals the gaps between the pieces of DNA in the lagging strand is - ANSWER DNA ligase. Which of the following events occurs during transcription? - ANSWER A molecule of RNA is formed based on the sequence of nucleotides in DNA. mRNA? - ANSWER mRNA m...

Gobetz Bio 150 Final Exam Correct 100%(Gradpopulation - ANSWER an interbreeding (sharing genetic information) group of individuals who live in the same geographic area and exist at the same time variability within a species/population (importance) - ANSWER important because: -some genetic variations have advantages over others -natural selection can act on the variation that arises What if populations are separated and can't exchange genes? - ANSWER two processes can occur: 1. genetic ...

Which of the following is NOT a component of the plasma membrane? a. Phospholipids b. Cholesterol c. Integral proteins d. Peripheral proteins e. Ribonucleic acids - ANSWER E _______________ is a term that describes both the polar and nonpolar nature of phospholipids. a. amphitheaters b. ambidextrous c. amphibolic d. amphipathic e. amphibious - ANSWER D Which of the following would cause an increase in van der Wal interactions within a membrane bilayer? a. Long unsaturated fat...

BIO 150 Final Exam Questions & Answers(G Which of the following is NOT a component of the plasma membrane? a. Phospholipids b. Cholesterol c. Integral proteins d. Peripheral proteins e. Ribonucleic acids - ANSWER E _______________ is a term that describes both the polar and nonpolar nature of phospholipids. a. amphitheaters b. ambidextrous c. amphibolic d. amphipathic e. amphibious - ANSWER D Which of the following would cause an increase in van der Wal interactions within a ...

Convergent vs Divergent Evolution - ANSWER -Divergent: one broad class but because of different features they diverge -Convergent: similar features between 2 different classes Punctuated Equilibrium vs Gradualism - ANSWER -Punctuated: concrete & defined phenotypes -Gradualism: phenotypes gradually evolve Speciation - ANSWER Formation of new species 1) Allopatric: separated by geographical barrier (mountain, ocean, river) -Barrier divides species 1 and species 2 2) Parapatric...

Hierarchy of Complexity - ANSWER Atom Molecules Organelles Cells Tissue Organ Organ System Organism Molecules - ANSWER Particle composed of at least two atoms Organelles - ANSWER Microscopic structures in a cell that carry out individual functions Cells - ANSWER Smallest unit of an organism that carry out basic functions of life Tissue - ANSWER Mass of similar cells that form an organ and preform a specific function Organ - ANSWER Structure composed of two or more tissue ty...

What statement best distinguishes scientific hypotheses from scientific theories? - ANSWER Hypotheses are usually narrower in scope; theories have broader explanatory power. A controlled experiment ____________. - ANSWER includes at least two groups, one of which does not receive the experimental treatment In trying to determine whether DNA or protein is the genetic material, Hershey and Chase made use of which fact? - ANSWER DNA contains phosphorus, whereas protein does not. In analyzi...

Convergent vs Divergent Evolution - ANSWER -Divergent: one broad class but because of different features they diverge -Convergent: similar features between 2 different classes Punctuated Equilibrium vs Gradualism - ANSWER -Punctuated: concrete & defined phenotypes -Gradualism: phenotypes gradually evolve Speciation - ANSWER Formation of new species 1) Allopatric: separated by geographical barrier (mountain, ocean, river) -Barrier divides species 1 and species 2 2) Parapatric...

What type of disease is Measles? - ANSWER Measles is a microbial disease that affects the skin and produces a macular rash all over the body except palms and soles of feet. Etiological Agent, Port of Entry, Symptoms, and Prevention of Measles - ANSWER Etiological Agent: Virus Port of Entry: Airborne, Enters through Respiratory Tract Symptoms: Rash first appears on face and spreads to other parts of the body. Prevention: MMR Vaccine = Attenuated Vaccine (Measles, Mumps, Rubella) Wh...

DCCC BIO 150 Final Exam Study Guide Correct Questions and Answers(Rated A+) Hierarchy of Complexity - ANSWER Atom Molecules Organelles Cells Tissue Organ Organ System Organism Molecules - ANSWER Particle composed of at least two atoms Organelles - ANSWER Microscopic structures in a cell that carry out individual functions Cells - ANSWER Smallest unit of an organism that carry out basic functions of life Tissue - ANSWER Mass of similar cells that form an organ and preform a sp...