Biology and Genetics

1. How many moles of CO2 are produced when 2.5 moles of O2 react according to th

1. How many moles of CO2 are produced when 2.5 moles of O2 react according to the following equation?                                 C3H8 + 5O2 ? 2FeO + 3SO2 2. How many grams of…

1. How many moles of oxyen atoms are there in 2 moles of KNO3? 2. How many oxyge

1. How many moles of oxyen atoms are there in 2 moles of KNO3? 2. How many oxygen atoms are there in 2.50 moles of O2 molecules? 3. A mole of H2O and a mole of O2 a. Have the same…

1. How many of today\'s continents were included in the Paleozoic continent call

1. How many of today's continents were included in the Paleozoic continent called Gondwana/Gondwanaland? How many Paleozoic continents are in Asia? 2. What animal groups are in Se…

1. How many progeny did you look at for this experiment? 2. Which locus is in th

1. How many progeny did you look at for this experiment? 2. Which locus is in the center? (a. tendril size, b. fruit color, c. unable to determine, or d. time to fruit) Three link…

1. How many purines are in a 1.5 kb fragment of DNA? 2. DNA replication is bidir

1. How many purines are in a 1.5 kb fragment of DNA? 2. DNA replication is bidirectional. Explain how both strands of the parental DNA molecule can serve as a template. 5. Compare…

1. How many sets of chromosomes are in each cell? 2. Which came first, the chick

1. How many sets of chromosomes are in each cell? 2. Which came first, the chicken or the fertilized egg? 3. True or false frogs have internal fertilization 4. What 2 tadpole stru…

1. How many times farther from Earth is Saturn than Jupiter? a. Same distance c.

1. How many times farther from Earth is Saturn than Jupiter? a. Same distance c. Three times as far. b. Twice as far. d. Four times as far. 2. We can learn about rings around othe…

1. How many times more bacteria cells than your own cells do you have in you and

1. How many times more bacteria cells than your own cells do you have in you and on you? * A. 1 time B. 10 times C. 100 times D. 10 times less 2. Microorganisms are involved in * …

1. How many tons of coal would be needed each year to provide for the entire ene

1. How many tons of coal would be needed each year to provide for the entire energy needs for the average person in the United States? 2. A bicyclist on a flat road expends energy…

1. How might borehole gravity observations from 3 or more boreholes be used to l

1. How might borehole gravity observations from 3 or more boreholes be used to locate a subsurface body of anomalous density that has not been intersected by any of the boreholes?…

1. How might physical properties of soil affect the chemical properties? 2. What

1. How might physical properties of soil affect the chemical properties? 2. What might be some factors affecting your soils’ nutrients and pH? 1. How might physical properties of …

1. How might self-fertilization be prevented in moss plants that produce both an

1. How might self-fertilization be prevented in moss plants that produce both antheridia and archegonia in the same tip? 2. Why do bryophytes not grow tall? 3. What is the advanta…

1. How much 6X DNA sample buffer do you need to add to 15 ul of DNA to run it ou

1. How much 6X DNA sample buffer do you need to add to 15 ul of DNA to run it out on an agarose gel? 2. An antibody to be used for Western blotting needs to be diluted 1:10,000 fo…

1. How much 6X DNA sample buffer do you need to add to 15 ul of DNA to run it ou

1. How much 6X DNA sample buffer do you need to add to 15 ul of DNA to run it out on an agarose gel? 2. An antibody to be used for Western blotting needs to be diluted 1:10,000 fo…

1. How much CO2 does the average world citizen release each year into the atmosp

1. How much CO2 does the average world citizen release each year into the atmosphere? Assume a population of 7 billion people. Compare this number to the United States, China and …

1. How often do mutations occur during DNA replication? How does the cell repair

1. How often do mutations occur during DNA replication? How does the cell repair these mutations? How do mutagens and carcinogens affect these processes and lead to the developmen…

1. How to make 20ml of 3M NaCl? 2. What is the percent concentration of 3M NaCl?

1. How to make 20ml of 3M NaCl? 2. What is the percent concentration of 3M NaCl? 3. What is the molar concentration of 10% NaCl?   4. Your stock solution is 5M NaCl and your goal …

1. How was the recognition that the polarity of the earth\'s magnetic field reve

1. How was the recognition that the polarity of the earth's magnetic field reversed episodically a significant observation and contribution in the evolution of the theory of plate…

1. How were Streptococci used to treat cancer? a. They were administrated in a n

1. How were Streptococci used to treat cancer? a. They were administrated in a nasal spray to patients with inoperable cancers b. Were applied directly to tumors patients that wer…

1. How will homonymous hemianopsia affect Suzanne\'s hygiene, eating, driving, a

1. How will homonymous hemianopsia affect Suzanne's hygiene, eating, driving, and community activities? 2. What factors should the nurse assess for related to outpatient rehabilit…

1. How would El Nino affect a fisherman living on the west coast of South Americ

1. How would El Nino affect a fisherman living on the west coast of South America? Fishing would be a hardship because of the loss of nutrient-rich waters that are normally upwell…

1. How would changing the type of bread (fresh from a bakery, no preservatives v

1. How would changing the type of bread (fresh from a bakery, no preservatives versus prepackaged with preservatives) affect the results? The bread will decay faster if it doesn’t…

1. How would eukaryotic translation initiation be affected if each of the follow

1. How would eukaryotic translation initiation be affected if each of the following factors were nonfunctional? Would inactivating mutations in the genes that encode these factors…

1. How would one distinguish between a bivalve and a brachiopod? A) Bivalves inc

1. How would one distinguish between a bivalve and a brachiopod? A) Bivalves include marine species, brachiopods do not. 8) Brachiopods have a lophophore, bivalves do not. C) Biva…

1. How would redundancy in the genetic code influence whether a mutation in DNA

1. How would redundancy in the genetic code influence whether a mutation in DNA would have an effect or not? 2. In the real world, what determines if a change in the genetic make-…

1. How would redundancy in the gentic code influence whether a mutation in DNA w

1. How would redundancy in the gentic code influence whether a mutation in DNA would have an effect or not? 2.In the real world, what determines if a change in genetic make-up is …

1. How would the above reactions differ in the citric acid cycle, fatty acid oxi

1. How would the above reactions differ in the citric acid cycle, fatty acid oxidation and fatty acid synthesis? What cofactors would be required? 2. How are fatty acids mobilized…

1. How would we know if a fossil was that of a eutherian mammal? five incisors i

1. How would we know if a fossil was that of a eutherian mammal? five incisors in each premaxillary quadrant of the upper jaw lack of development of the auditory bullae no foramin…

1. How would you characterize life on Earth up until 2.2 billion years ago? 2. H

1. How would you characterize life on Earth up until 2.2 billion years ago? 2. How are eukaryotic cells different from prokaryotic cells? To answer this question, list and describ…

1. How would you interpret Patient B’s arterial blood gases? Patient A Patient B

1.     How would you interpret Patient B’s arterial blood gases? Patient A Patient B Patient C Na+ 138 mEq/L 142 mEq/L 148 mEq/L K+ 5.1 mEq/L 6.1 mEq/L 3.8 mEq/L Ca+ 8.9 mg/dL 7.5…

1. How would you make 1 L of a solution that is 0.5 M NaCl and 0.75 M 2. If you

1. How would you make 1 L of a solution that is 0.5 M NaCl and 0.75 M 2. If you added 59 g of NaCl and 118 g of succinate to 500 mL of H20, 3. If you add 5 L of a protein solution…

1. Hubris? A. stranger with one sandal; B. king of olympus C. oracle at Delphi D

1. Hubris? A. stranger with one sandal; B. king of olympus C. oracle at Delphi D.artistic center of the acient middle east E. Greek god of death F. 50 oar ship G excessive pride H…

1. Human agriculture is one of the biggest users of fresh water on our planet to

1. Human agriculture is one of the biggest users of fresh water on our planet today. If you wanted to minimize the use of water on a farm field, how could you make a crude calcula…

1. Human autosomal recessive traits typically show which of the following in inh

1. Human autosomal recessive traits typically show which of the following in inheritance patterns...? (choose all that apply) a. they typically appear with equal frequency in male…

1. Human beings are: A. photoautotrophs . B. photoheterotrophs. C. chemolithoaut

1. Human beings are: A. photoautotrophs. B. photoheterotrophs. C.chemolithoautotrophsD.chemoorganoheterotrophs 2. You want to test the presence of small amounts of microbes in a l…

1. Human d I growth mile stones a) Menarche b) Conception c) Weaning d) adrenarc

1. Human d I growth mile stones a) Menarche b) Conception c) Weaning d) adrenarche 2. Homologies are physical characteristics that are "shared? by all the organisms in each level …

1. Human evolution has been both a biological and cultural process. Identify and

1.   Human evolution has been both a biological and cultural process. Identify and discuss the major biological and cultural developments of this process from the advent of Austra…

1. Human hemoglobin is a tetrameric protein, under normal conditions. This is to

1. Human hemoglobin is a tetrameric protein, under normal conditions. This is to say that it is loosely bound complex made of four monomeric hemoglobin molecules. Suppose one mole…

1. Humans aren’t the only mammals that can be afflicted by changes in bone struc

1. Humans aren’t the only mammals that can be afflicted by changes in bone structure due to mutations in signaling pathways that affect bone growth. Read this article and summariz…

1. Huntington Disease (HD) is an autosomal dominant, neurodegenerative disorder

1. Huntington Disease (HD) is an autosomal dominant, neurodegenerative disorder caused by the expansion of a triplet sequence (CAG) repeated multiple times within the coding regio…

1. Huntington disease (HD) is an inherited neurodegenerative disorder, character

1. Huntington disease (HD) is an inherited neurodegenerative disorder, characterized by the gradual, irreversible impairment of psychological, motor, and cognitive functions. Symp…

1. Huntington\'s Disease is a fatal syndrome caused by a mutation in the HD gene

1. Huntington's Disease is a fatal syndrome caused by a mutation in the HD gene. The disease has an average age of onset of 35 and the majority of individuals that are affected ar…

1. Huntingtons disease is a human malady caused by a dominant allele that is not

1. Huntingtons disease is a human malady caused by a dominant allele that is not expressed until a person reaches middle adulthood. Cystic fibrosis is caused by a recessive allele…

1. Hyperventilation does what to blood CO2 levels? And therefore, what should ha

1. Hyperventilation does what to blood CO2 levels? And therefore, what should happen to breath holding time as compared to your rest(tidal) breath holding time? 2. Hypoventilation…

1. Hypocalcemia induces a condition known as tetany , which is characterized by

1. Hypocalcemia induces a condition known as tetany, which is characterized by involuntary muscle contraction. This condition arises from the modulatory effect extracellular calci…

1. Hypocapnia is a condition where the concentration of carbon dioxide in the bl

1. Hypocapnia is a condition where the concentration of carbon dioxide in the blood is lower than normal. This can be induced by deep and rapid breathing (hyperventilation). Using…

1. I am studying the interaction of proteins PON3 and PON2 in cancer. The names

1. I am studying the interaction of proteins PON3 and PON2 in cancer. The names listed above each wel below are different cancer cell lines (you need to know ABSOLUTELY NOTHING ab…

1. I am studying the interaction of proteins PON3 and PON2 in cancer. The names

1. I am studying the interaction of proteins PON3 and PON2 in cancer. The names listed above each wel below are different cancer cell lines (you need to know ABSOLUTELY NOTHING ab…

1. I know that fossils found in the lowest geological strata are generally the m

1. I know that fossils found in the lowest geological strata are generally the most primitive. Can you explain why they would not be advanced, complex, widespread and specialized?…

1. I made a big deal about my opinion that competition is a driving force in the

1. I made a big deal about my opinion that competition is a driving force in the creation of new species. I also noted that because competition can represent such a strong selecti…