BIOL 180 Quiz 2 2023/24 100% Correct

BIOL 180 Quiz 2 2023/24 100% CorrectBIOL 180 Quiz 2 2023/24 100% Correct Return to Assessment List Part 1 of 5 - Chapter 2 42.0 Points Question 1 of 33 3.0 Points A bond between two atoms that occurs frequently, but does not require much energy to break is referred to as what? • A. Covalent bond • B. van der Waals Interactions • C. Hydrogen bond • D. Ionic bond Feedback: Great job. Question 2 of 33 3.0 Points What is the smallest component of an element that retains all of the chemical properties of that element? • A. atom • B. proton • C. electron • D. neutron Feedback: Great job. Question 3 of 33 3.0 Points Which particles reside in the nucleus of an atom? • A. proton and neutron • B. electron and proton • C. electron, proton and neutron • D. neutron and electron Feedback: Great job. Question 4 of 33 3.0 Points Which is more likely to dissolve in water? • A. wax • B. glucose • C. olive oil • D. fat Feedback: Great job. Question 5 of 33 3.0 Points Why are lipids insoluble in water? • A. they are very large • B. they are very small • C. they are nonpolar molecules • D. they are polar molecules Feedback: Great job. Question 6 of 33 3.0 Points Which type of bond do the hydrogen and oxygen atoms in water form? • A. polar covalent bonds • B. hydrogen bonds • C. nonpolar covalent bonds • D. van der Waals Interactions Feedback: Great job. Question 7 of 33 3.0 Points Proteins include all of the following except what? • A. DNA • B. water • C. hormones • D. phospholipids Feedback: Proteins are one of the most abundant organic molecules, and do not include lipids. Review proteins in Chapter 2. Question 8 of 33 3.0 Points What are the monomers that make up proteins? • A. amino acids • B. steroids • C. oils • D. DNA Feedback: Great job. Question 9 of 33 3.0 Points What is the attraction between water molecules and other molecules, allowing water to “climb up a straw,” for example? • A. adhesion • B. cohesion • C. surface tension • D. covalent bond • E. solvent Feedback: Great job. Question 10 of 33 3.0 Points What is the capacity of a substance to withstand rupture when placed under tension or stress? • A. adhesion • B. covalent bond • C. cohesion • D. solvent • E. surfact tension Feedback: Water molecules are attracted to each other because of hydrogen bonding by cohesion – and this gives rise to surface tension. Review water in Chapter 2. Question 11 of 33 3.0 Points What is the reason for chemical bonds between atoms? • A. A full nucleus • B. A vacancy in the outermost shell • C. A full outermost shell • D. A vacancy in the nucleus Feedback: It is the outermost shell that dictates the type of chemical bond that will form. Review chemical bonds in Chapter 2. Question 12 of 33 3.0 Points If an atom donates an electron, and becomes positive, another atom will accept the electron, and is negative. What is the bond these atoms will form called? • A. van der Waals interactions • B. Ionic bond • C. Covalent bond • D. Hydrogen bond Feedback: The net charges on atoms following donation or acceptance help to create an ionic bond. Review chemical bonds in Chapter 2. Question 13 of 33 3.0 Points In most living species, which monosaccharide is the most important source of energy? • A. fructose • B. cellulose • C. glucose • D. starch Feedback: Great job. Question 14 of 33 3.0 Points Which type of fatty acid is a solid at room temperature? • A. polyunsaturated fatty acid • B. monounsaturated fatty acid • C. unsaturated fatty acid • D. saturated fatty acid Feedback: Great. Part 2 of 5 - Chapter 12 30.0 Points Question 15 of 33 3.0 Points What is a diagram used to represent evolutionary relationships between taxa called? • A. clade • B. branch • C. systematic • D. phylogeny Feedback: Understanding the relationship of organisms on one diagram can be very useful in science Read more in Chapter 12. Question 16 of 33 3.0 Points Which best describes the assumption maximum parsimony is built on? • A. Evolutionary events occurred in the simplest, most obvious way. • B. Molecular data is superior to morphological data when reconstructing evolutionary events. • C. Shared derived characteristics define monophyletic groups. • D. All of life evolves as a goal driven process under the direction of a higher power. Feedback: Great job. Question 17 of 33 3.0 Points Currently the diversity of all life on earth is contained in 3 domains which are: • A. Family, Genus, Species • B. Phylum, Class, Order • C. Bacteria, Animals, Plants • D. Archaea, Bacteria, Eukarya Feedback: Great job. Question 18 of 33 3.0 Points What term describes the forelimb bones of a bird, bat, horse, whale and human? • A. apomorphy • B. analogous • C. homologous • D. synapomorphy Feedback: Great job. Question 19 of 33 3.0 Points What is the scientific name of wolves in binomial nomenclature? • A. Canidae Family • B. Canis lupus • C. Mammalia • D. Wolves and Dogs Feedback: Great job. Question 20 of 33 3.0 Points Which assumption of cladistics is correctly stated? • A. Speciation can produce two to four new species. • B. There are multiple universal last common ancestors (LUCA). • C. The polarity of a character state change can be determined. • D. Traits remain homologous and unchanged from one state to another. Feedback: Great job. Question 21 of 33 3.0 Points What term describes the wings of insects, bats, and birds? • A. synapomorphy • B. apomorphy • C. analogous • D. homologous Feedback: Great job. Question 22 of 33 3.0 Points How has molecular systematics changed the how organisms had been classified? • A. Morphologic homology has allowed for the calibration of a molecular clock. • B. Molecular systematics has confirmed earlier classifications. • C. Classification has reverted to the Linnean system based on molecular systematics. • D. Sometimes errors are uncovered and taxa are reclassified from molecular systematics. Feedback: Molecular systematics uses molecular information including DNA sequencing to study the relationships between organisms. Read more in Chapter 12. Question 23 of 33 3.0 Points Which is the correct order of classification from largest group to smallest? • A. Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain • B. Canis, Eukarya, Chordata, Canidae, lupus, Animalia, Mammalia • C. Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species • D. Phylum, Kingdom, Domain, Class, Species, Genus, Family, Order Feedback: Great job. Question 24 of 33 3.0 Points What is a group of closely related organisms and their common ancestor on a phylogeny? • A. synapomorphy • B. outgroup • C. vertebrate • D. clade Feedback: Great job. Part 3 of 5 - Lecture Material 12.0 Points Question 25 of 33 3.0 Points Evolutionary change that happens on short time scales from one generation to the next within a population is called what? • A. Macroevolution • B. Natural Selection • C. Convergent Evolution • D. Coevolution • E. Microevolution Feedback: Great job! Question 26 of 33 3.0 Points Which is a mechanism that occurs to prevent crossbreeding after a zygote is formed? • A. Prezygotic Isolating Mechanism • B. Isozygotic Isolating Mechanism • C. Symzygotic Isolating Mechanism • D. Postzygotic Isolating Mechanism Feedback: Postzygotic isolating mechanism prevents crossbreeding after a zygote is formed. Review Change on a Long Time Scale in the Weekly Lecture Lesson. Question 27 of 33 3.0 Points Which is the sole source of novel genetic variation? • A. natural selection • B. gene flow • C. mutation • D. genetic drift • E. nonrandom mating Feedback: Great job! Question 28 of 33 3.0 Points What is the term for the evolution of species when there are geographic regions to separate them? • A. Sympatric speciation • B. Peripatric speciation • C. Allopatric speciation • D. Parapatric speciation Feedback: Great job! Part 4 of 5 - Part 3: Lab Lecture Material 12.0 Points Question 29 of 33 3.0 Points Jaques Cousteau’s observations aboard the Calypso contributed to what type of science? • A. Opinion-driven • B. Applied • C. Hypothesis-driven • D. Pure • E. Fact-based Feedback: Correct! Jaques Cousteau’s journeys across myriad bodies of water served to increase the knowledge of the world’s marine ecosystems. Question 30 of 33 3.0 Points Which is NOT considered a component of scientific observations? • A. Limitations • B. Measurability • C. Generation of data • D. Personal beliefs • E. Specialized tools Feedback: Correct! In science, observations lead to the formation of hypotheses and must adhere to specific guidelines to be scientifically credible. Question 31 of 33 3.0 Points Which of the following is the best scientific question for proposing a hypothesis and designing an experiment on the effect of a drug (Drug X) on decreasing blood pressure? • A. How does Drug X affect blood pressure readings? • B. Should we lower blood pressure? • C. Does Drug X affect blood pressure? • D. Why is Drug X important to blood pressure? Feedback: Scientific questions should be specific enough that can be measured, tested and verified. Review the section on the building blocks of living organisms in the Week 2 Lab ELF Lesson. Question 32 of 33 3.0 Points Which of the following is considered a secondary source of research? • A. Conference papers • B. Theses compositions • C. Published books • D. Lab notebooks • E. Peer-reviewed journals Feedback: Correct! Secondary research is considered original work that has been interpreted or evaluated by a second party. Part 5 of 5 - Part 5 - 1 Question 4 points 4.0 Points Question 33 of 33 4.0 Points At the most fundamental level, what is life made up of? • A. neutron • B. atom • C. matter • D. isotope Feedback: All matter is composed of elements, and all elements are made of atoms; but matter occupies spaces and has mass. Review the building blocks of molecules in Chapter 2.