Biology and Genetics

6. A true-breeding, purple-flowered, yellow pea plant (PPYY) is crossed to a whi

6. A true-breeding, purple-flowered, yellow pea plant (PPYY) is crossed to a white-flowered, green pea plant (ppyy). A. Write out the parental cross. B. What gametes can be produc…

6. A water table aquifer encounters the surface of the earth and forms a stream.

6. A water table aquifer encounters the surface of the earth and forms a stream. The surface elevation of the stream is 75 feet. Two wells penetrate this aquifer. Well A is 180 fe…

6. A. Please describe how the cytoskeleton plays a role in chromosome segregatio

6. A. Please describe how the cytoskeleton plays a role in chromosome segregation during mitosis. B. Please describe how the cytoskeleton plays a role in cytokinesis. C. You have …

6. According to the Biological Species Concept, a set of organisms belonging to

6. According to the Biological Species Concept, a set of organisms belonging to the same species will tend to look similar to one another as a result of:             a. asexual re…

6. After acing midterm 2 in Biochem 442 your PI, Dr. Peach, now believes you are

6. After acing midterm 2 in Biochem 442 your PI, Dr. Peach, now believes you are ready to take on a collaborative project with Dr. Rosalina. Dr. Rosalina is interested in a new Yo…

6. After graduating from undergrad. You decided to become a graduate student in

6. After graduating from undergrad. You decided to become a graduate student in Dr. Peach lab, who is known to utilize a variety of techniques (which you focused on in biochem 442…

6. After graduating from undergrad. You decided to become a graduate student in

6. After graduating from undergrad. You decided to become a graduate student in Dr. Peach lab, who is known to utilize a variety of techniques (which you focused on in biochem 442…

6. After overnight growth, from plate C, we collect a single bacterial cell from

6. After overnight growth, from plate C, we collect a single bacterial cell from a single colony and grow it in liquid culture for fast cell cycle and DNA multiplication. Then we …

6. Agar is especially useful for the cultivation of bacteria. One reason is that

6. Agar is especially useful for the cultivation of bacteria. One reason is that most bacteria are not able to utilize agar as a carbon source. Explain why this is so important wh…

6. All except the following are true sstatements about Organization of the Prima

6. All except the following are true sstatements about Organization of the Primary Visual Cortex. A hypercolumn is a collection of orientation columns that encode all possible ori…

6. All plants produce __________ by mitosis and __________ by meiosis. A)spores,

6. All plants produce __________ by mitosis and __________ by meiosis. A)spores, gametes B)gametes, gametes C)gametes, spores D)spores, spores E)spores, gametes and spores 7. In a…

6. All the offspring of a white hen and a black rooster are gray. The sim- plest

6. All the offspring of a white hen and a black rooster are gray. The sim- plest explanation for this pattern of inheritance is a. pleiotropy. b. sex linkage. c. codominance. d. i…

6. Amicrobiota san found in and on all muiticelular organisms studied to date, b

6. Amicrobiota san found in and on all muiticelular organisms studied to date, both plants and animals. A microblota includes:bacteria, archaea, protists, fungi and viruses A ecol…

6. Aminoacyl-tRNA synthetases catalyses _____ 1. DNA replication 2. transcriptio

6. Aminoacyl-tRNA synthetases catalyses _____ 1. DNA replication 2. transcriptional termination 3. the attachment of amino acids to the tRNA molecules. 4. the binding of mRNA to t…

6. An intravenous dose of axzithromycin is usually prepared by injecting a measu

6. An intravenous dose of axzithromycin is usually prepared by injecting a measured small amount of sterile water into a sealed vial containing a specific known amount of solid fo…

6. An undergraduate student is studying a rare purple tailed squirrel. She adds

6. An undergraduate student is studying a rare purple tailed squirrel. She adds excess radiolabeled fatty acids to the cytosol of liver cells but no radiolabeled fatty acyl-CoA is…

6. Answer the following questions about the blind spot that can be found in each

6. Answer the following questions about the blind spot that can be found in each human eye (you may draw a figure if it helps you explain the blind spot but be sure you label this…

6. As described in class, the two waves of Incarceration after the Civil War and

6. As described in class, the two waves of Incarceration after the Civil War and in the current era can BEST be described as: a. The product of rising crime raes b. A backlash aga…

6. Asparagine and glutamine residues in proteins will sometimes be deamidated in

6. Asparagine and glutamine residues in proteins will sometimes be deamidated into aspartic acid and glutamic acid, respectively. If this happens to a purified protein, it will re…

6. Assessing the population size of organisms is important in determining whethe

6. Assessing the population size of organisms is important in determining whether a species requires special conservation effort and in helping to manage sustainable harvesting of…

6. Asteroids can be classified into two broad groups based on their composition

6. Asteroids can be classified into two broad groups based on their composition and location: carbon-rich asteroids dominate the outer part of the asteroid belt, whereas metal-ric…

6. Based on the western blot experiment below, which looks at specific protein e

6. Based on the western blot experiment below, which looks at specific protein expression levels, suzgest a mechanism that explains how drug X could produce these results. Acetyla…

6. Because station air pressure is a function of elevation, air pressure reading

6. Because station air pressure is a function of elevation, air pressure readings must be   a. converted to an equivalent sea-level value. b. fitted to lines of constant pressure.…

6. Below are three promoters which correspond to three versions of a gene that c

6. Below are three promoters which correspond to three versions of a gene that contains a TATA box in its promoter. One of them is a pseudogene. Which one? Please explain your log…

6. Below is a piece of DNA that carries part of a gene that codes for an enzyme

6. Below is a piece of DNA that carries part of a gene that codes for an enzyme in central metabolism. The indicated sequence contains the start but not the end of the coding sequ…

6. Below is shown a novel stent on which a drug-loaded hydroxyapatite coating wi

6. Below is shown a novel stent on which a drug-loaded hydroxyapatite coating with porous structure was made. Please give some comments to the people who want to buy this technolo…

6. Bird hemoglobin are tetrameric and very similar in structure and function to

6. Bird hemoglobin are tetrameric and very similar in structure and function to mammalian hemoglobins. However, in some bird species, O, binding affinity to hemoglobin is not regu…

6. Birth rates tend to decline with a). increasing levels of education b). socia

6. Birth rates tend to decline with a). increasing levels of education b). social security programs that guarantee support c). delaying motherhood past the teenage years d). an in…

6. Cactus and other plant adapted to very arid environments display C2 photosynt

6. Cactus and other plant adapted to very arid environments display C2 photosynthesis C3 photosynthesis C4 photosynthesis CAM photosynthesis 7.Which of the following most accurate…

6. Calculate Total Magnification (2 points) What is the resultant total magnific

6. Calculate Total Magnification (2 points) What is the resultant total magnification of an object as seen through a microscope with 15X ocular and each of the following objective…

6. Calculate the relief of diamond (n-2.417) mounted in epoxy (n 1.540) and stat

6. Calculate the relief of diamond (n-2.417) mounted in epoxy (n 1.540) and state whether it is high, moderate, or low (show your workl). (4) A photograph of a quartz-rich rock ta…

6. Cheetahs are an endangered species in their native Africa, so a captive-breed

6. Cheetahs are an endangered species in their native Africa, so a captive-breeding program has been established. Zoos have had difficulty interbreeding Cheetahs fr Namibi and Ken…

6. Choose from the following to answer the following: A) Aneuploidy . B) Autoplo

6. Choose from the following to answer the following: A) Aneuploidy. B) Autoploidy, C) An inversion heterozygote, D) A heterozygote for a translocation (chromosomal interchange), …

6. Circle any statement that reflects how prokaryotic and eukaryotic cells diffe

6. Circle any statement that reflects how prokaryotic and eukaryotic cells differ. 1 a. Eukaryotic cell membranes are made up of phospholipid bilayers whereas prokaryotic cell b. …

6. Coat color in sheep is determined by a single gene. Allele B, for white wool,

6. Coat color in sheep is determined by a single gene. Allele B, for white wool, is dominant over allele b, for black wool. We have followed a population of sheep for two years. B…

6. Color blindness in humans is an X-linked recessive trait. Approximately 10% o

6. Color blindness in humans is an X-linked recessive trait. Approximately 10% of the men in a particular population are color-blind. Assume the population is in Hardy-Weinberg eq…

6. Compare and contrast anticoagulants, anti-platelet drugs, fibrinolytics. In w

6. Compare and contrast anticoagulants, anti-platelet drugs, fibrinolytics. In what setting (and in what patient) is each appropriate? 7. Describe the main drugs used for prophyla…

6. Compare the activity of the beta-lactam antibiotics and the aminoglycosides 7

6. Compare the activity of the beta-lactam antibiotics and the aminoglycosides 7. Nephrotoxicity and ototoxicity are serious side effects of the aminoglycosides. Describe these co…

6. Compare the hypotheses of linkage ( r = 0.2 ) and independent assortment for

6. Compare the hypotheses of linkage ( r = 0.2 ) and independent assortment for this pedigree. The odds ratio [probability of linkage @ 0.2]/ [independent assortment] is used to c…

6. Compare the structure and function of a typical DNA polymerase and a typical

6.       Compare the structure and function of a typical DNA polymerase and a typical RNA polymerase. 7.       What are the post-transcriptional modifications that the pre-mRNA is…

6. Consider a colony of coli cells in which the gene for the CRP protein is dele

6. Consider a colony of coli cells in which the gene for the CRP protein is deleted. Describe the effect of that this deletion will have on the arabinose operon in terms of Ara A …

6. Consider a species with ZW/ZZ chromosomal sex determination and recall that,

6. Consider a species with ZW/ZZ chromosomal sex determination and recall that, by definition, ZW individuals are female and ZZ individuals are male If the number of Z chromosomes…

6. Consider the following population of really cool stream-dwelling salamanders:

6. Consider the following population of really cool stream-dwelling salamanders: A1A1 A1A2 A2A2 Relative frequencies 0.60 0.30 0.10 Probability of survival 0.60 0.80 0.40 Number o…

6. Consider the following population of really cool stream-dwelling salamanders:

6. Consider the following population of really cool stream-dwelling salamanders: A1A1 A1A2 A2A2 Relative frequencies 0.60 0.30 0.10 Probability of survival 0.60 0.80 0.40 Number o…

6. Consider the testcross with two genes A & B: AaBb X aabb. If the resulting pr

6. Consider the testcross with two genes A & B: AaBb X aabb. If the resulting progeny’s genotypes are as follows: 50% AaBb, 0% Aabb, 0% aaBb, 50% aabb, then you can conclude t…

6. Critical review of a newspaper article You have to write a critical review of

6. Critical review of a newspaper article You have to write a critical review of a newspaper story/article related to Earth Sciences. You need to do the following; Get a newspaper…

6. Crols) +3 CC, (I) 2 CrCh(s) + 3 COC12 (aa) In one process, 124 g of Cr,0, rea

6. Crols) +3 CC, (I) 2 CrCh(s) + 3 COC12 (aa) In one process, 124 g of Cr,0, reacted with 601 g of CCl (a) Calculate the mass (in grams) of Crcl, formed (theor (b) How much re yie…

6. Cross cutting age relations indicate that dike A is younger than dike B, whic

6. Cross cutting age relations indicate that dikeA is younger than dike B, which is cut by fault F2 (see below). Dike B yields a K-Ar date of 99.9 +/- 2.3 million years based on a…

6. Cystic fibrosis (CF an inherited disorder caused by different types of mutati

6. Cystic fibrosis (CF an inherited disorder caused by different types of mutations, many of which prevent ions from moving across cell membranes. Normally there are channel prote…

6. Cystic fibrosis (CF) is an inherited disorder caused by different types of mu

6. Cystic fibrosis (CF) is an inherited disorder caused by different types of mutations, many of which prevent ions from moving across cell membranes. Normally there are channel p…