Term
| Biological evolution can be defined as |
|
Definition
| The change in a population’s genetic characteristics over time |
|
|
Term
| Evolutionary changes occur when _____ acts upon populations containing individuals with genetic differences |
|
Definition
|
|
Term
| Which of the following is not likely to contribute to evolution within a population? |
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Definition
|
|
Term
| A population of mice lives along a river. Some mice cross the river to establish a new population. Eventually, due to genetic changes, these two groups of mice can no longer interbreed. This is an example of: |
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Definition
|
|
Term
| Which is an example of microevolution? |
|
Definition
| c. HIV evolved resistance to antiviral medications |
|
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Term
| After a rapid change in climate, one species of bird quickly adapts to the change, but others in the area do not. What could you conclude about the quickly adapting species? |
|
Definition
| b. They already had alleles in their genome that were adaptive in the new environment. |
|
|
Term
| When a population of organisms is evolving, what can you be sure is happening? |
|
Definition
|
|
Term
| You notice that some squirrels in your neighborhood have a much darker coat color than most of the other squirrels. In this darker color an adaptation? |
|
Definition
| d. The trait is only an adaptation if it gives the squirrels an advantage in their habitat |
|
|
Term
| The color match between a flounder and its sandy surroundings provides an example of |
|
Definition
|
|
Term
| The current rapid loss of species is sometimes called the "sixth mass extinction." This increase in extinction rate beyond background extinction is thought to be due to |
|
Definition
| d. Habitat changes due to human population growth |
|
|
Term
| Which of the following presents the greatest threat to biodiversity? |
|
Definition
| a. Habitat loss of degradation |
|
|
Term
| Which of the following factors is not likely to cause major changes in allele frequencies |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Which of the following does not help promote adaptive radiation? |
|
Definition
| c. High levels of competition |
|
|
Term
| Mass extinctions cause the loss of many species, no matter how well adapted those species were before the extinction. Why might previous adaptations not help a species survive a mass extinction? |
|
Definition
| Rapid environmental changes that cause extinctions do not leave organisms time to adapt |
|
|
Term
| According to the theory of common descent, each species on Earth today should |
|
Definition
| c. Have a single ancestor in common |
|
|
Term
| Female success depends on: |
|
Definition
| the ability to make eggs and the ability to have many reproductive opportunities |
|
|
Term
| Stabilizing selection means that: |
|
Definition
| c. the extremes of the population have a lesser chance to survive. |
|
|
Term
| Which of the following occurs after the creation of a new allele? |
|
Definition
| a. The gene pool becomes more diverse |
|
|
Term
| Genetic incompatibility has what result? |
|
Definition
| Offsprings that fail to develop and sterile offspring |
|
|
Term
| Which one of the following shows the steps of speciation in the correct order? |
|
Definition
| c. geographic isolation, evolutionary changes, reproductive isolation |
|
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Term
|
Definition
| a. mating between populations |
|
|
Term
| Which of the following variations could be subject to natural selection? |
|
Definition
| A hyena is born with a spotted fur pattern that allows it to hide in the grass better than its littermates. |
|
|
Term
| Traits acted on by sexual selection |
|
Definition
| c. Sometimes appear to have no relation to fitness |
|
|
Term
| Assortative matings have what effect on populations? |
|
Definition
| d. They maintain appearance differences between groups. |
|
|
Term
| Populations that change due to genetic drift |
|
Definition
|
|
Term
| In order to be acted on by sexual selection, a trait must be |
|
Definition
| a. something that influences mate choice by the opposite sex. |
|
|
Term
| Lizards on a dry, sandy island are most likely to be similar to |
|
Definition
| a. lizards in the rainforest on the mainland 50 miles away. |
|
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Term
| The DNA of cats and dogs is much more similar than the DNA of cats and hamsters. Why is that? |
|
Definition
| Cats and dogs have a common ancestor that is more recent than the common ancestor of cats and hamsters. |
|
|
Term
| Convergent evolution occurs when natural selection causes distantly related organisms |
|
Definition
| d. to evolve similar structures in response to similar environmental challenges |
|
|
Term
| In order for the theory of common descent and the theory of natural selection to both be true, what can we infer about the genetic material for all life? |
|
Definition
| c. It must vary spontaneously and randomly. |
|
|
Term
| Four of the five answers listed below can upset genetic equilibrium. Select the exception. |
|
Definition
|
|
Term
| The fossil record is incomplete because |
|
Definition
| Very few organisms were preserved as fossils. Organisms tend to decay before becoming a fossil. Animals with hard parts are preserved more easily. Geological processes may destroy fossils. |
|
|
Term
| Two species live in the same area but females respond to different mating calls. These species are: |
|
Definition
|
|
Term
| 37. Isolating mechanisms that take effect before or during fertilization are termed |
|
Definition
|
|
Term
| 39. What are some advantages of sex? |
|
Definition
| c. Sexual reproduction increases genetic diversity |
|
|
Term
| 40. How could recombination reduce fitness? |
|
Definition
| a. Los gene combinations that work better together |
|
|
Term
|
Definition
| Mating times time and energy. Requires development of specialized organs. Low probability of success. |
|
|
Term
| 42. Sexual reproduction is costly in terms of meiosis because |
|
Definition
| b. The female can only contribute ½ of her genes |
|
|
Term
| 43. Which of the following species arose first on our planet? |
|
Definition
| a. Australopithecus africanus |
|
|
Term
| 44. Antibiotic resistance in bacteria could be combated by all of the following methods, except: |
|
Definition
| b. Prescribing antibiotics for viral diseases |
|
|
Term
| A large population of animals is split in two by a physical barrier. The gene pools of the two resulting populations then diverge, until each population becomes a separate species. This is an example of |
|
Definition
|
|
Term
| The human population today is large, highly technological, and mobile. Which of the following is not true? |
|
Definition
| d. Genetic drift will have a weaker role in shaping human evolution |
|
|
Term
| 47. Which of the following is what scientists mean when they use the term theory? |
|
Definition
| c. a set of findings that are supported by repeated testing |
|
|
Term
| Some whales have teeth as embryos but do not as adults. The most likely explanation is that: |
|
Definition
| c. Teeth were a feature of whale ancestors |
|
|
Term
| 49. The DNA of chimpanzees and humans differs by about ____ percents |
|
Definition
|
|
Term
| 50. Which of the following would not play a role in macroevolution |
|
Definition
| c. Mutations in kidney cells |
|
|
Term
| On the pH scale, an acid like lemon juice has a value of |
|
Definition
|
|
Term
| Which are polymers of amino acids? |
|
Definition
|
|
Term
| All cells contain the following: |
|
Definition
| Cytoplasm, plasma membrane, region for DNA |
|
|
Term
|
Definition
| Rough endoplasmic reticulum |
|
|
Term
| What is the main difference between prokaryotes and eukaryotes? |
|
Definition
| Prokaryotes do not enclose DNA in a nucleus |
|
|
Term
| Multiple variants of a gene are called |
|
Definition
|
|
Term
| The appropriate order of mitosis is: |
|
Definition
| C. prophase, metaphase, anaphase, telophase |
|
|
Term
| The correct order of the cell cycle is: |
|
Definition
|
|
Term
| UV light significantly increases the risk of skin cancer because |
|
Definition
|
|
Term
| Which of the following is true about oncogenes? |
|
Definition
| D. These are normal proteins required for cell cycle progression |
|
|
Term
| Huntington’s disease is a dominantly inherited disorder and is caused by defects in the Huntington gene (H). A woman with genotype Hh marries a man with genotype hh. She has two sons. What is the chance her oldest son will develop the disease? |
|
Definition
|
|
Term
| Genetic testing reveals the oldest son will develop Huntington’s disease. What is the chance the younger son will also develop the disease? |
|
Definition
|
|
Term
| Which of the following genotypes would you NOT expect to find among the offspring of a SsYy x ssyy cross? |
|
Definition
|
|
Term
| In humans, the allele for brown eyes (B) is dominant over the allele for blue eyes (b). A man with brown eyes has children with a woman with blue eyes. They have 12 children and 6 have brown eyes and 6 have blue eyes. What is the genotypes of the father and mother, respectively? |
|
Definition
|
|
Term
| n humans, straight hair (H) is dominant over curly hair (h) but the heterozygous phenotype is wavy hair. Scott has straight hair and Mary has curly hair but their child has wavy hair. This is an example of what? |
|
Definition
|
|
Term
| The Theory of Evolution cannot: |
|
Definition
| D. Be used to explain the origin of life |
|
|
Term
| Which of the following is true? |
|
Definition
| C. Evolution cannot occur unless traits are passed to offspring |
|
|
Term
| Fish near Antarctica (south pole) have a species protein that serves as “antifreeze” for its blood. Fish in the Arctic (north pole) also make “antifreeze” molecules to prevent blood from freezing. The two populations were separated long before they evolved genes for antifreeze proteins. What conclusions can you make? |
|
Definition
| B. This is an example of convergent evolution |
|
|
Term
| What is not an example of genetic drift? |
|
Definition
| A. Surviving a disease epidemic |
|
|
Term
| Which of the following is true about mutations? |
|
Definition
| They occur randomly. Mutations in promoters can confer adaptive changes. Mutations must be present in gametes to be inherited. Mutations can occur through DNA replication. |
|
|
Term
| Which of the following is not true about macroevolution |
|
Definition
| B. It studies evolution at the DNA level |
|
|
Term
| Which of the following is not an example of a fossil |
|
Definition
|
|
Term
| What best describes the first cellular organisms |
|
Definition
|
|
Term
| What best describes the first organisms on land |
|
Definition
| A. They were likely descendants of green algae |
|
|
Term
| How many mass extinctions have there been |
|
Definition
|
|
Term
| Bacteriophage λ is a virus that infects bacteria like E. coli. Which of the following might be true about bacteriophage λ? |
|
Definition
|
|
Term
| In order for a virus to replicate, it must do what? |
|
Definition
|
|
Term
| HIV is a retrovirus with as ssRNA genome. What is true about HIV? |
|
Definition
| It requires reverse transcriptase to turn the RNA genome into DNA |
|
|
Term
| What is the best definition of a vaccination? |
|
Definition
| Exposure of a patient to an antigen |
|
|
Term
| Embryonic stems cells are |
|
Definition
|
|
Term
| Embryonic stem cells come from |
|
Definition
|
|
Term
| somatic cell nuclear transfer involves which of the following |
|
Definition
| removing the nucleus from an egg, transplantation of an adult nucleus, treating embryos with oncogenes |
|
|
Term
| What is the difference between induces pluripotent stem cell (iPS) and embryonic stem cells (ES)? |
|
Definition
| iPS cells (but not ES cells) require treating cells with oncogenes |
|
|
Term
| What type of cell is the MOST differentiated? |
|
Definition
|
|
Term
| The central nervous system consists of |
|
Definition
|
|
Term
| We have more of our brain dedicated to motor control of our____than____ |
|
Definition
|
|
Term
| Executive control (i.e. decision making) occurs where? |
|
Definition
|
|
Term
| What statement best describes a neuron? |
|
Definition
| it has one axon and several dendrites |
|
|
Term
|
Definition
|
|
Term
| What serves as insulation for an axon? |
|
Definition
|
|
Term
| Synaptic vesicles are released from the __________ |
|
Definition
| A. Presynaptic axon terminal |
|
|
Term
| Cocaine and Ritalin both affect what process? |
|
Definition
| C. Ability of the presynaptic cell to reuptake (recycle) neurotransmitter |
|
|
Term
| What is the cue that synchronizes an animal to the local time? |
|
Definition
|
|
Term
| The pineal gland receives signals from the SCN to release ______ |
|
Definition
|
|
Term
| 1. Condensed chromosomes line up at the middle of the cell during the _____ portion of mitosis |
|
Definition
|
|
Term
| 2. What is the name of a molecule composed of one or more sugars? |
|
Definition
|
|
Term
| 3. Each chromosome contains |
|
Definition
| a. a single molecule of DNA |
|
|
Term
| 4. The members of a pair of chromosomes are called |
|
Definition
| d. homologous chromosomes |
|
|
Term
| Imagine a newly discovered biological molecule that is mostly hydrophobic in its structure. This new molecule will most likely be classified as a |
|
Definition
|
|
Term
| 6. Mutations are potentially dangerous because |
|
Definition
| b. It changes the function of the gene’s protein product |
|
|
Term
| 7. Gametes fuse together during |
|
Definition
|
|
Term
| 8. Describing a person as having hemophilia is to indicate his or her |
|
Definition
|
|
Term
| 9. Why do phospholipid bilayers form in water? |
|
Definition
| Phospholipids are partly hydrophilic. Hydrophobic tails attract each other and leave the phospholipid head group exposed. Phospholipids are partly hydrophobic. Phospholipids have polar and nonpolar regions. |
|
|
Term
| Which organelle is a stack of membranous sacs that are involved in sorting proteins to their proper cellular location? |
|
Definition
|
|
Term
| 11. The difference between alleles of a gene is: |
|
Definition
| e. their DNA base sequence |
|
|
Term
| 12. ________ are the smallest units into which an element can be broken down. |
|
Definition
|
|
Term
| Half of the gametes produced by an organism with the genotype Aa will receive the A allele, while half will receive the a allele. This is a demonstration of |
|
Definition
|
|
Term
| 14. During which part of the cell cycle is DNA polymerase most active? |
|
Definition
|
|
Term
| Some scientists have reported peer-reviewed studies that say zinc lozenges reduce the length and severity of colds. What is one reason why some scientists still doubt and question the merits of using zinc lozenges during a cold? |
|
Definition
| There may be other reasons why people taking zinc recovered faster, such as stress or differences in their immune systems |
|
|
Term
| 16. Individual water molecules are pulled toward each other by ______ bonds |
|
Definition
|
|
Term
| 17. Which of the following represents the genotype for a person heterozygous for two genes? |
|
Definition
|
|
Term
| 18. A normal human cell from an adult containing 44 autosomes and two X chromosomes is |
|
Definition
| b. a somatic cell of a female. |
|
|
Term
| 19. A scientific hypothesis has all the following features EXCEPT that it is |
|
Definition
| a. able to be proven true. |
|
|
Term
| 20. Prokaryoties lack membrane-bound organelles and thus do not have nuclei. Therefore: |
|
Definition
| e. prokaryotic transcription and translation take place in the cytoplasm |
|
|
Term
| 21. In a bacterial species, 30% of the bases in its DNA are C. What percent of the bases are G? |
|
Definition
|
|
Term
|
Definition
| d. a template strand of DNA directs the production of an mRNA molecule |
|
|
Term
| 23. The sequence of events in the process of protein synthesis is usually |
|
Definition
|
|
Term
| 24. Because the electrons in a water molecule are shared unequally between hydrogen and oxygen, water is said to be _____ |
|
Definition
|
|
Term
| 25. Normal sperm or egg cells in a human |
|
Definition
| c. have one copy of each chromosome. |
|
|
Term
| 26. The AB blood type, in which both A and B alleles are expressed, is an example of |
|
Definition
|
|
Term
| 27. A heterozygous organism |
|
Definition
| d. has two different alleles of a gene. |
|
|
Term
| 28. It is possible for a mutation to occur in a gene but not alter the end product of translation if: |
|
Definition
| a. the new codon encodes the same amino acid |
|
|
Term
| 29. Which of the following is not a part of mitosis? |
|
Definition
|
|
Term
| 0. Based on the Punnett square for a dihybrid cross between two heterozygous individuals, how many offspring are expected to be dominant for both traits? |
|
Definition
|
|
Term
| 31. A scientific theory is |
|
Definition
| a. an explanation supported by a very large amount of experimental evidence. |
|
|
Term
| 2. Consider a gene that encodes a protein necessary for a cell to stop at checkpoints. That is, if a mutation eliminated the function of that gene, there would be no checkpoints. This gene is an example of a(n) |
|
Definition
| e. tumor-suppressor gene. |
|
|
Term
| 33. A commonly prescribed antibiotic named streptomycin will block protein synthesis in prokaryotes. Which cell component is the most likely target of this antibiotic? |
|
Definition
|
|
Term
| 34. The most common type of cancer that causes death in people in the United States is: |
|
Definition
|
|
Term
| 35. Which of the following cells spends the most time in interphase? |
|
Definition
| c. nerve cells in the brain |
|
|
Term
| 36. Consider an experiment in which subjects are given a pill to test its effectiveness on reducing the duration of a cold. Which of the following is the best way to treat the control group? |
|
Definition
| c. Give the control group a pill that does not affect the duration of colds |
|
|
Term
| 37. If you're interested in studying one gene within a human, and each gene has 2 alleles, then the Punnett square that you would use to predict the inheritance of the alleles would contain ________ box/boxes. |
|
Definition
|
|
Term
| 38. What is the end product of transcription? |
|
Definition
|
|
Term
| 39. How many genetically different types of gametes could an individual with the genotype AaBB produce? |
|
Definition
|
|
Term
| 40. Which are the following is NOT a proper scientific question |
|
Definition
| a. Are genetically modified organisms moral? |
|
|
Term
| 41. A typical gene contains the instructions for making a |
|
Definition
|
|
Term
| 42. Jake has heard from some of his teammates that drinking a high protein supplement after football training will improve his muscle mass. He decides to test this hypothesis by examining the effect of a high protein drink on some of his teammates compared with what happens with a control group who drink only water. Which of the following would be the best control for his experiment? |
|
Definition
| b) randomly selected teammates who are given a placebo instead of a protein drink |
|
|
Term
| 43. Which of the following is not directly involved in the process of translation? |
|
Definition
|
|
Term
| 44. How many genetically different types of sperm could an man that is heterozygous-dominant for one trait produce? |
|
Definition
|
|
Term
| 45. Different versions of the same gene are called |
|
Definition
|
|
Term
| 46. Gametes contain ____ the genetic material that a generalized body cell contains |
|
Definition
|
|
Term
| 47. What is the name for the point at which the two halves of a duplicated chromosome are connected? |
|
Definition
|
|
Term
| 48. Proteins are long polymers of _______ |
|
Definition
|
|
Term
| 49. Cancer cells within which of the following biopsy samples would be the best indicator that the cancer has metastasized and is circulating through the bloodstream? |
|
Definition
|
|
Term
| 50. Replication of DNA cannot being until |
|
Definition
| d. hydrogen bonds between complementary bases are broken |
|
|
Term
| 1. Condensed chromosomes line up at the middle of the cell during the _____ portion of mitosis |
|
Definition
|
|
Term
| 1. Condensed chromosomes line up at the middle of the cell during the _____ portion of mitosis |
|
Definition
|
|
Term
| 1. Condensed chromosomes line up at the middle of the cell during the _____ portion of mitosis |
|
Definition
|
|
Term
| 2. What is the name of a molecule composed of one or more sugars? |
|
Definition
|
|
Term
| 2. What is the name of a molecule composed of one or more sugars? |
|
Definition
|
|
Term
| 2. What is the name of a molecule composed of one or more sugars? |
|
Definition
|
|
Term
| 3. Each chromosome contains |
|
Definition
| a. a single molecule of DNA |
|
|
Term
| 4. The members of a pair of chromosomes are called |
|
Definition
| d. homologous chromosomes |
|
|
Term
| Imagine a newly discovered biological molecule that is mostly hydrophobic in its structure. This new molecule will most likely be classified as a |
|
Definition
|
|
Term
| 6. Where is a human egg fertilized? |
|
Definition
|
|
Term
| 5. What type of cell is the MOST differentiated? |
|
Definition
|
|
Term
| Somatic cell nuclear transfer involves which of the following: |
|
Definition
| Removing the nucleus from an egg. Transplantation of an adult nucleus. |
|
|
Term
7. A woman wants to get pregnant and measures her hormone levels to determine the time
of ovulation. What hormone(s) would most accurately predict ovulation? |
|
Definition
| C. Lutenizing hormone and estrogen |
|
|
Term
| 8. Acetyl-CoA is utilized in the Kreb’s Cycle to make |
|
Definition
|
|
Term
| 9. Fatty acids and amino acids can be converted into __________ for energy |
|
Definition
|
|
Term
| 10. What best describes the life cycle of a virus? |
|
Definition
| C. Attachment → Uncoating → Replication → Assembly → Release |
|
|
Term
| 11. Excess glucose is stored as __________ in the liver |
|
Definition
|
|
Term
You are a scientist working with stem cells. The cells you work with can turn into white
blood cells and red blood cells, but not heart cells. How would you describe these cells? |
|
Definition
|
|
Term
| 13. When will glycogen levels be the highest? |
|
Definition
| E. One hour after a meal of mixed proteins and carbs |
|
|
Term
| 14. Of approximately 300 million sperm in an average ejaculate, how many reach the egg? |
|
Definition
|
|
Term
| 15. What hormones are high just before a woman’s period? |
|
Definition
|
|
Term
| 16. Most miscarriages occur |
|
Definition
|
|
Term
. _______and _______inhibits ______and _____ to block egg production at inappropriate
times. |
|
Definition
| C. Progesterone/Estrogen inhibit FSH/LH |
|
|
Term
You discover a new mutation that severely damages the immune response. Further testing
reveals that the body is capable of making antibodies and destroying infected cells. What cells
might this mutation affect? |
|
Definition
|
|
Term
| 19. Which of the following statements is true? |
|
Definition
| Anabolic steroids are hormones. Hormones are produced by the ovary, pituitary, and thymus. Hormones bind to surface receptors on cells and activate transcription. Androgenic steroids are related to male sex hormones. |
|
|
Term
| 20.. Muscles have which of the following structures |
|
Definition
| B. Myosin, actin, myofibrils, muscle fibers |
|
|
Term
| 21. When Dolly the sheep was cloned, it demonstrated which of the following? |
|
Definition
| Mammals could be cloned. The genetic program of a somatic cell could be reprogrammed. Adult cells can be used to make an entire organism. |
|
|
Term
| 22. Spermatogenesis occurs |
|
Definition
| A. In seminiferous tubules |
|
|
Term
| 23. In low carb diets, proteins and fat are turned into _________ to make energy? |
|
Definition
|
|
Term
| 24. Which of the following is true about viruses? |
|
Definition
A. They can replicate on their own
B. They are a complex of nucleic acid and membrane
C. They are alive
NONE OF THESE ARE TRUE |
|
|
Term
| 25. Muscle contraction occurs when |
|
Definition
| A. Myosin filaments slide along actin filaments |
|
|
Term
| A long-distance runner wants to use performance-enhancing drugs. What would be the best way to cheat? |
|
Definition
| D. Use gene therapy to add genes for EPO production to their kidney cells |
|
|
Term
| 27. Viagra affects the __________ pathway |
|
Definition
|
|
Term
| 28. The zona pellucida is: |
|
Definition
| A. The protective coating around the oocyte |
|
|
Term
| 29. What converts fat and protein into glucose? |
|
Definition
|
|
Term
| 30. The endometrium is located |
|
Definition
|
|
Term
| 31. Pluripotent stem cells can be obtained from: |
|
Definition
| Inner cell mass of a blastocyst. B. Inner cell mass of an embryos generated by somatic cell nuclear transfer (SCNT). |
|
|
Term
| 32. Which molecule serves as a reservoir of energy for muscles |
|
Definition
|
|
Term
| 33. Which of the following substances can reduce fatigue and shorten recovery during a workout |
|
Definition
|
|
Term
A lethal mutation disrupts the normal formation of the heart and circulatory system. When
might this mutation have an effect on the human embryo/fetus? |
|
Definition
|
|
Term
| 35. The appropriate route for sperm to travel is: |
|
Definition
| D. Seminiferous tubules – vas deferens – ejaculatory duct – prostate – penis |
|
|
Term
| 36. Exposure to an antigen will |
|
Definition
| A. Lead to an immune response |
|
|
Term
Within a specific part of the brain, a group of cells (Z-cells) will continuously divide. Under
the appropriate conditions, one Z cell may divide and produce a differentiated brain neuron
called a Br cell and another Z cell that continues to divide. What is the best description of the Z
cell? |
|
Definition
| C. Multipotent brain cell |
|
|
Term
| 38. A pluripotent stem cell that makes red blood cells could also make |
|
Definition
A. White blood cells
B. Neurons
C. Muscle |
|
|
Term
| 39. Which of the following is true? |
|
Definition
| A. Creatine can be converted into phosphocreatine |
|
|
Term
| 40. Which hormones control ovulation? |
|
Definition
A. Follicle stimulating hormone
B. Estrogen
C. Luteinizing hormone |
|
|
Term
| 41. A multipotent stem cell that makes red blood cells could also make: |
|
Definition
|
|
Term
| 42. What causes the lining of the uterus to thicken prior to ovulation? |
|
Definition
|
|
Term
Bobby and his brother Vinnie were both endurance runners as young men. Bobby’s two
sons exercise frequently and one of them is an award-winning cyclist and the other is a triathlete.
Vinnie’s daughter is also athletic and is the state cross-country champion and a long distance
runner. A local geneticist decides to look at the family DNA. What do you think the doctor
finds? |
|
Definition
| C. The family naturally makes more EPO than normal |
|
|
Term
| 44. Which of the following is true? |
|
Definition
| A. The blastocyst implants into the uterus after approximately one week |
|
|
Term
| 45. In general, Americans have been gaining weight since 1980 because: |
|
Definition
| D. We eat more sugar and the same amount of fat than before |
|
|
Term
Rous sarcoma virus (RSV) is a retrovirus that can cause cancer. What things are true about
RSV? |
|
Definition
|
|
Term
| 47. Which of the following contributes to the difficulty in finding an AIDS vaccine? |
|
Definition
| A. The ability of viruses to evolve |
|
|
Term
| 48. The following is true about embryos generated by in vitro fertilization |
|
Definition
A. Have the potential to be used for somatic cell nuclear transfer (SCNT)
B. Have the potential to be used for reproductive cloning
C. Have the potential to be used for therapeutic cloning
D. Have the potential to be used to harvest ES cells |
|
|
Term
| 49. Why do people lose weight on low carb diets? |
|
Definition
|
|
Term
| 50. Muscle satellite cells |
|
Definition
| C. Respond to IGF-1 and fuse with muscle cells |
|
|
