BIO 1100 Non-Majors Biology 1

Unit I Assessment

Question 1

8 out of 8 points

	Which of the following situations has the greatest potential for observer bias in an experimental process?
	Selected         Answer:  Dr. Jones is evaluating cancer patients for their responses to a new therapeutic drug. She knows which patients are receiving the placebo and which are receiving the drug. Correct Answer:  Dr. Jones is evaluating cancer patients for their responses to a new therapeutic drug. She knows which patients are receiving the placebo and which are receiving the drug.

Question 2

8 out of 8 points

	Which of the following statements is an example of anecdotal evidence?
	Selected         Answer:  Dr. Jackson's statement in his infomercial that "I believe my personal cure for bowel disorders is more effective than any drug I've ever prescribed in 20 years of practicing medicine." Correct Answer:  Dr. Jackson's statement in his infomercial that "I believe my personal cure for bowel disorders is more effective than any drug I've ever prescribed in 20 years of practicing medicine."

Question 3

8 out of 8 points

	An atom will be least likely to form chemical bonds with other atoms when:
	Selected Answer:  the valence shell is full of electrons. Correct Answer: the valence shell is full of electrons.

Question 4

8 out of 8 points

	Nonliving things include fire, water, and viruses. Many features of living things are also found in nonliving things. Of the following features, which is most likely to be ABSENT in nonliving things?
	Selected Answer:  Homeostasis Correct Answer: Homeostasis

Question 5

8 out of 8 points

	Sally is trying to eat healthier and watch her intake of saturated fats. Which of the following oils would be the best choice for Sally to use when she cooks?
	Selected Answer:  Olive oil Correct Answer: Olive oil

Question 6

60.00001 out of 60 points

	Match the following term to its definition.
	o      Question Correct Match Selected Match Primary Source H. Published material written by the actual researcher H. Published material written by the actual researcher Protons A. Positively charged particles found in the nucleus of an atom A. Positively charged particles found in the nucleus of an atom Amino acids E. Building blocks of proteins E. Building blocks of proteins Carbohydrates N. The major source of energy for animals N. The major source of energy for animals Nucleic acids C. Composed of nucleotides forming RNA and DNA C. Composed of nucleotides forming RNA and DNA Prokaryotic G. Cells that do not contain a nucleus G. Cells that do not contain a nucleus Plasma membrane F. The outer boundary of cells F. The outer boundary of cells Mitochondria K. Organelle where the citric acid cycle and electron transport occur K. Organelle where the citric acid cycle and electron transport occur Ribosomes M. The site of protein synthesis M. The site of protein synthesis Diffusion I. The net movement of molecules down a concentration gradient I. The net movement of molecules down a concentration gradient Active transport O. Movement of molecules across a membrane powered by ATP O. Movement of molecules across a membrane powered by ATP Cellular respiration D. The process of converting energy in food to usable energy for cells D. The process of converting energy in food to usable energy for cells Fermentation L. Energy transformation resulting in alcohol, cheese, and yogurt L. Energy transformation resulting in alcohol, cheese, and yogurt Diabetes J. Carbohydrate metabolism disorder J. Carbohydrate metabolism disorder HDL P. Special fats containing more protein than cholesterol P. Special fats containing more protein than cholesterol

Unit II Assessment

Question 1

8 out of 8 points

	All normal human body cells contain __________ chromosome(s).
	Selected Answer:  46 Correct Answer: 46

Question 2

8 out of 8 points

	Which of these conditions is caused by nondisjunction of autosomal chromosomes?
	Selected Answer:  Trisomy 21-Down syndrome Correct Answer: Trisomy 21-Down syndrome

Question 3

8 out of 8 points

	What can be concluded about the ability of doctorate-category sperm to help produce children that are smarter than average?
	Selected Answer: There is currently no way to predict whether children produced by this type of sperm will be smarter than average. Correct Answer: There is currently no way to predict whether children produced by this type of sperm will be smarter than average.

Question 4

8 out of 8 points

	DNA is double stranded and similar in structure to a twisted rope latter composed of nitrogenous bases paired with hydrogen bonds in what order?
	Selected Answer:  Adenine and thymine, guanine and cytosine Correct Answer: Adenine and thymine, guanine and cytosine

Question 5

8 out of 8 points

	Which of the following pairs of people would provide the most useful information to geneticists, regarding the heritability of a certain trait?
	Selected Answer:  monozygotic twins separated into different households soon after birth Correct Answer: monozygotic twins separated into different households soon after birth

Question 6

40 out of 40 points

	Match the following term to its definition.
	o      Question Correct Match Selected Match Alleles G. Alternate forms of genes G. Alternate forms of genes Phenotype H. Physical traits H. Physical traits Gametes F. Sex cells F. Sex cells Gonads D. Sex organs D. Sex organs Genes I. Small segments of DNA that code for proteins I. Small segments of DNA that code for proteins Crossing over B. Occurs during prophase I of Meiosis I B. Occurs during prophase I of Meiosis I Meiosis C. Results in a reduced number of chromosomes C. Results in a reduced number of chromosomes Mitosis E. Results in two identical daughter cells E. Results in two identical daughter cells Segregation J. The separation of a pair of alleles J. The separation of a pair of alleles Quantitative             traits A. Traits with a wide range of phenotypes like eye color, height, and intelligence A. Traits with a wide range of phenotypes like eye color, height, and intelligence

Question 7

Needs Grading

	Assume the gene for freckles is dominant (F). A woman with freckles has a son that does not. What would have to be the genotype of the mother?
	Selected Answer: The genotype of the mother would be heterozygous recessive (Ff). If the gene for freckles is dominant, freckles will be expressed both in people who are homozygous dominant. Correct Answer: [None] Response Feedback: [None Given]

Question 8

Needs Grading

	Assume that Tay-Sachs disease only affects homozygous recessive individuals. If two parents are carriers, what are the chances that their child would have the disease?
	Selected Answer: 25 percent Tay–Sachs disease is a common autosomal recessive genetic disorder. If both parents are carriers, there is a ¼ or 25 percent risk of giving birth to a child with the disease at each pregnancy.  There is a 50 percent chance that the child will be a carrier and 25 percent chance that the child will be normal. Correct Answer: [None] Response Feedback:  [None Given]

Unit III Assessment

Question 1

8 out of 8 points

	Which amino acid always begins a polypeptide (protein) during translation?
	Selected Answer:  methionine Correct Answer: methionine

Question 2

8 out of 8 points

	Many crop plants have been genetically modified to contain the Bt gene from the soil bacterium Bacillus thuringiensis, which produces a protein that is toxic to insects. These plants differ from unmodified plants in that they __________.
	Selected Answer:  are resistant to crop pests Correct Answer: are resistant to crop pests

Question 3

8 out of 8 points

	Red-green color blindness in humans is an example of __________.
	Selected Answer:  Sex linkage Correct Answer: Sex linkage

Question 4

8 out of 8 points

	The sequence of events in the process of protein synthesis is usually:
	Selected Answer:  DNA → RNA → protein. Correct Answer: DNA → RNA → protein.

Question 5

8 out of 8 points

	The main difference between genetically modified organisms and using rBGH to enhance milk production in cows is:
	Selected Answer:  the rBGH protein is produced by bacteria and then administered to cows. Correct Answer: the rBGH protein is produced by bacteria and then administered to cows.

Question 6

40 out of 40 points

	Match the following terms to the definition or example.
	o      Question Correct Match Selected Match Incomplete dominance G. Flower color of snapdragons G. Flower color of snapdragons Codominance D. Two different alleles of a gene are expressed D. Two different alleles of a gene are expressed Polygenic traits H. Determines bone size and structure H. Determines bone size and structure Pedigree E. Family tree that allows inheritance of traits E. Family tree that allows inheritance of traits Human Genome Project I. Determined nucleotide base sequence and location of genes I. Determined nucleotide base sequence and location of genes SCID C. Immune disorder being treated with gene therapy C. Immune disorder being treated with gene therapy Cloning A. Making an exact copy of an organism A. Making an exact copy of an organism Therapeutic cloning J. Using stem cells to produce healthy tissues to treat degenerative diseases J. Using stem cells to produce healthy tissues to treat degenerative diseases GMO K. Transgenic organism K. Transgenic organism Codon B. Sequence of mRNA that codes for an amino acid B. Sequence of mRNA that codes for an amino acid

Question 7

Needs Grading

	What are the chances that a hemophiliac male and an unaffected, non-carrier female could have a baby that is a hemophiliac male?
	Selected Answer: No male children are produced by a cross between an affected male and an unaffected female that has hemophilia. Correct Answer: [None] Response Feedback: [None Given]

Question 8

Needs Grading

	Consider the following hypothetical DNA fingerprint. Which adults could not possibly be the parents of the two children?
	Selected Answer: Adults 1, 4, and 5 cannot be the parents of any of the two children for the simple fact that they do not that they do not have any common DNA fingerprints. Correct Answer: [None] Response Feedback: [None Given]

Unit IV Assessment

Question 1

5 out of 5 points

	How is artificial selection different from natural selection?
	Selected Answer:  Artificial selection is selection by humans rather than the environment. Correct Answer: Artificial selection is selection by humans rather than the environment.

Question 2

5 out of 5 points

	Which of the following statements represents evidence that supports the theory of common descent, but specifically contradicts the hypothesis of separate types?
	Selected Answer: Many genes found in humans are also found in mold, and they perform the same function in mold that they do in humans. Correct Answer: Many genes found in humans are also found in mold, and they perform the same function in mold that they do in humans.

Question 3

5 out of 5 points

	Polar bears from the Arctic do not produce offspring with the speckled bear of South America due to:
	Selected Answer:  spatial isolation. Correct Answer: spatial isolation.

Question 4

5 out of 5 points

	Which of the following groupings is the MOST appropriate according to the classification system developed by Linnaeus?
	Selected Answer: Group 1: penguin, ostrich, hummingbird; Group 2: water strider bug, giant walking stick (an insect); Group 3: whale, human, giant fruit bat Correct Answer: Group 1: penguin, ostrich, hummingbird; Group 2: water strider bug, giant walking stick (an insect); Group 3: whale, human, giant fruit bat

Question 5

5 out of 5 points

	Which of the following statements BEST describes the current knowledge about Earth's biodiversity?
	Selected Answer:  There is uncertainty about the diversity within various species. Correct Answer: There is uncertainty about the diversity within various species.

Question 6

4 out of 5 points

	Put the following in order of most inclusive to specific.
	Correct Answer  Selected Answer  1. Domain 1. Domain 2. Kingdom 2. Kingdom 3. Phyla 3. Phyla 4. Genus 4. Species 5. Species 4. Genus

Question 7

15 out of 15 points

	Match the following terms to the definition or example. Not every definition will be used.
	o      Question Correct Match Selected Match Animalia A. eukaryotic, multicellular organisms such as mammals A. eukaryotic, multicellular organisms such as mammals Bacteria D. prokaryotes such as E. coli D. prokaryotes such as E. coli Viruses E. nonliving microbes E. nonliving microbes Protista B. most diverse kingdom B. most diverse kingdom Fungi F. eukaryotic, multicellular organisms such as mushrooms F. eukaryotic, multicellular organisms such as mushrooms

Question 8

27 out of 30 points

	Match the following terms to the definition or example. Not every definition will be used.
	o      Question Correct Match Selected Match Diatoms I. Single cells that produce a glass shell I. Single cells that produce a glass shell Cnidaria E. Jellyfish and corals E. Jellyfish and corals Tapeworm A. Parasitic flatworms A. Parasitic flatworms Earthworm H. Segmented worms H. Segmented worms Arthropods F. Shrimp, insects, crabs, and spiders G. One of the most commercially important fungal forms Vertebrates B. Animals with backbones B. Animals with backbones Plants J. Provide drugs like aspirin and digitali J. Provide drugs like aspirin and digitali Algae C. Only protists that produce their own food C. Only protists that produce their own food Yeast G. One of the most commercially important fungal forms G. One of the most commercially important fungal forms Mold K. Produces the flavor of cheese K. Produces the flavor of cheese

Question 9

Needs Grading

	Consider what you have learned about natural selection and mutation concerning health issues like TB and head lice, and apply it to pesticide use and farming. Explain what is meant by a "pesticide treadmill" and why it is a concern to farmers and consumers. Your response should be at least 200 words in length.

Unit V Assessment

Question 1

8 out of 8 points

	Fenway Park, home of the Boston Red Sox, is situated on land that was once a fen, a kind of wetland. The replacement of the fen is an example of what?
	Selected Answer:  Habitat destruction Correct Answer: Habitat destruction

Question 2

8 out of 8 points

	The current rapid loss of species is considered by many scientists to be another mass extinction. This increase in extinction rate, beyond background extinction, is thought to be due to:
	Selected Answer:  human population growth and the resulting habitat changes worldwide. Correct Answer: human population growth and the resulting habitat changes worldwide.

Question 3

8 out of 8 points

	An owl eating a seed-eating mouse is an example of what?
	Selected Answer:  Secondary consumer Correct Answer: Secondary consumer

Question 4

8 out of 8 points

	What structure of dispersion describes high densities of individuals in certain resource-rich areas and low densities elsewhere?
	Selected Answer:  Clumped distribution Correct Answer: Clumped distribution

Question 5

8 out of 8 points

	Why does Dallas, Texas, have a higher yearly average temperature than Chicago, Illinois?
	Selected Answer:  Dallas receives more solar irradiance than Chicago. Correct Answer: Dallas receives more solar irradiance than Chicago.

Question 6

60 out of 60 points

	Match the term to its definition or characteristic.
	o      Question Correct Match Selected Match Ecological niche G. role or job of a species in an ecosystem G. role or job of a species in an ecosystem Predator K. species that survives by eating another species K. species that survives by eating another species Competition I. when two species require the same resources within the same habitat I. when two species require the same resources within the same habitat Tropical Rain Forest F. biome with the greatest biodiversity F. biome with the greatest biodiversity Desert A. biome with less than 20 inches of rain per year A. biome with less than 20 inches of rain per year River H. flowing water moving in one direction H. flowing water moving in one direction Estuary E. highly productive habitat where fresh and saltwater mix E. highly productive habitat where fresh and saltwater mix Bioaccumulation B. the process that causes small amounts of pollutants to be concentrated in higher amounts in animals higher up on the food chain B. the process that causes small amounts of pollutants to be concentrated in higher amounts in animals higher up on the food chain Ecological footprint J. the amount of land needed to support the human activity of that area J. the amount of land needed to support the human activity of that area Savannas C. areas in Africa where elephants and other large animals graze C. areas in Africa where elephants and other large animals graze

Unit VI Assessment

Question 1

8 out of 8 points

	Which of the following is considered a first line of defense against foreign organisms?
	Selected Answer:  Skin Correct Answer: Skin

Question 2

8 out of 8 points

	Which of the following events would result in decreased blood glucose levels?
	Selected Answer:  Release of insulin by the pancreas Correct Answer: Release of insulin by the pancreas

Question 3

8 out of 8 points

	Which of the following types of cells are involved in the antibody-mediated immune response?
	Selected Answer:  B cells Correct Answer: B cells

Question 4

8 out of 8 points

	Which disease can affect the human nervous system resulting in paralysis of respiratory and facial muscles?
	Selected Answer:  Botulism Correct Answer: Botulism

Question 5

8 out of 8 points

	Which of the following tissues consists of tightly packed sheets of cells that are usually anchored on only one face of the tissue?
	Selected Answer:  Epithelial Correct Answer: Epithelial

Question 6

30 out of 30 points

	Match the organ to its function.
	o      Question Correct Match Selected Match Stomach F. Storage sac where protein digestion begins F. Storage sac where protein digestion begins Alveoli C. Tiny air sacs where gas exchange occurs C. Tiny air sacs where gas exchange occurs Liver D. Produces bile D. Produces bile Trachea B. Windpipe B. Windpipe Bladder A. Storage sac for urine A. Storage sac for urine

Question 7

30 out of 30 points

	Match the disease to its description.
	o      Question Correct Match Selected Match Asthma D. Allergic response resulting in the constriction of the bronchi D. Allergic response resulting in the constriction of the bronchi Hypertension E. High blood pressure E. High blood pressure Atherosclerosis C. Accumulation of fat on the inside of arteries C. Accumulation of fat on the inside of arteries Stroke B. Death of brain tissue B. Death of brain tissue HIV A. Kills or disables helper T cells A. Kills or disables helper T cells

Unit VII Assessment

Question 1

6 out of 6 points

	Which of the following regulates body temperature and affects behaviors such as hunger, thirst, and reproduction?
	Selected Answer:  Hypothalamus Correct Answer: Hypothalamus

Question 2

6 out of 6 points

	A patient who experienced severe head trauma following an automobile accident is having difficulties maintaining balance. The most likely region of the brain affected is the __________.
	Selected Answer:  cerebellum Correct Answer: cerebellum

Question 3

6 out of 6 points

	Which of the following can result in amenorrhea?
	Selected Answer:  Excessive exercise and starvation Correct Answer: Excessive exercise and starvation

Question 4

6 out of 6 points

	You have fractured a bone in your appendicular skeleton. Which of the following did you injure?
	Selected Answer:  Femur Correct Answer: Femur

Question 5

6 out of 6 points

	In humans, fertilization normally occurs in the __________.
	Selected Answer:  oviduct Correct Answer: oviduct

Question 6

35 out of 35 points

	Match the gland to its hormone or action.
	o      Question Correct Match Selected Match Pineal A. Regulates sleep A. Regulates sleep Pituitary F. FSH, LH, ADH F. FSH, LH, ADH Thymus D. Where T cells mature D. Where T cells mature Thyroid B. Controls metabolism B. Controls metabolism Adrenals C. Glucocorticoids C. Glucocorticoids

Question 7

35 out of 35 points

	Match the following disorder, disease or drug to its definition.
	o      Question Correct Match Selected Match Alzheimer's             disease B. Progressive mental deterioration B. Progressive mental deterioration Parkinson's             disease C. Progressive disorder resulting in tremors and uncontrolled movements C. Progressive disorder resulting in tremors and uncontrolled movements Nicotine D. Increases risks for most cancers D. Increases risks for most cancers Alcohol A. Depressant causing impaired judgment and possible liver damage with long term use A. Depressant causing impaired judgment and possible liver damage with long term use LSD E. A fungal derivative causing hallucinations and dangerous actions E. A fungal derivative causing hallucinations and dangerous actions

Unit VIII Assessment

Question 1

8 out of 8 points

	Some broad leaf plants have evolved to adapt to periods of long drought by:
	Selected Answer:  dropping their leaves. Correct Answer: dropping their leaves.

Question 2

8 out of 8 points

	What are the reactants of photosynthesis?
	Selected Answer:  Carbon dioxide + water + light energy Correct Answer: Carbon dioxide + water + light energy

Question 3

8 out of 8 points

	The increase in greenhouse gases in the atmosphere is most similar to which of the following phenomena?
	Selected Answer:  Putting an extra blanket or two over yourself when you go to bed Correct Answer: Putting an extra blanket or two over yourself when you go to bed

Question 4

8 out of 8 points

	The use of chemical pesticides may be reduced by __________.
	Selected Answer:  the long-term utilization of integrated pest management Correct Answer: the long-term utilization of integrated pest management

Question 5

8 out of 8 points

	The United States represents less than 5% of the world's population. However, it is responsible for __________ of the world's carbon dioxide emissions resulting from burning fossil fuels.
	Selected Answer:  25% Correct Answer: 25%

Question 6

60 out of 60 points

	Match the following terms to their definition or example.
	o      Question Correct Match Selected Match Chloroplasts E. Organelle where photosynthesis takes place E. Organelle where photosynthesis takes place Stomata F. Open or close to change the flow of gases and water into or out of the plant cells F. Open or close to change the flow of gases and water into or out of the plant cells Organic K. Natural fertilizer from partially decomposed waste products K. Natural fertilizer from partially decomposed waste products Monoculture B. Planting a single crop over wide acreage B. Planting a single crop over wide acreage Biomagnification C. Concentration of toxic chemicals at higher levels of a food web C. Concentration of toxic chemicals at higher levels of a food web Eutrophication H. Caused by fertilizer runoff from farms H. Caused by fertilizer runoff from farms Gymnosperms G. Plants that produce seeds but no flowers like pine trees G. Plants that produce seeds but no flowers like pine trees Angiosperms J. Most successful group of plants on Earth J. Most successful group of plants on Earth Perennials I. Plants that live for many years I. Plants that live for many years Tubers A. Yams A. Yams