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Biology and Genetics

101624 questions • Page 105 / 2033

1. In the image above, the final dilution is 1: 2. You make six 2-fold serial di
1. In the image above, the final dilution is 1: 2. You make six 2-fold serial dilutions of a solution. Your final dilution will be 1: 3. You dilute 10 ul of an unknown sample of b…
1. In the image above, the final dilution is 1:________________________. 2. You
1. In the image above, the final dilution is 1:________________________. 2. You make six 2-fold serial dilutions of a solution. Your final dilution will be 1:__________ 3. You dil…
1. In the just concluded experiment of gel filtration, Identify and record a tes
1. In the just concluded experiment of gel filtration, Identify and record a test tube/Fraction with the highest absorbance yet WITHOUT our enzyme of interest? 2. Why does this sa…
1. In the lac operon RNA polymerase first binds to the: a. promoter b. operator
1. In the lac operon RNA polymerase first binds to the: a. promoter b. operator c. repressor d. regulator 2. Spontaneous mutations are: a. cause by chemicals such as acridine and …
1. In the late 1800’s the Florida East Coast Railroad was established under the
1. In the late 1800’s the Florida East Coast Railroad was established under the direction of Henry Flagler. He was responsible for lengthening the system from Daytona to Biscayne …
1. In the late 180os, a biologist study- ing animal embryos coined the phrase \"
1. In the late 180os, a biologist study- ing animal embryos coined the phrase "ontogeny recapitulates phylogeny," meaning that the physical develop- ment of an animal embryo (onto…
1. In the late twelfth century, the city of Florence was a. a wealthy center of
1. In the late twelfth century, the city of Florence was    a. a wealthy center of trade and culture.    b. a part of the Kingdom of Italy.    c. a part of the Holy Roman Empire. …
1. In the long run, the Crusades proved to be a. a great success. b. a qualified
1. In the long run, the Crusades proved to be    a. a great success.    b. a qualified success.    c. an enormous failure.    d. an example of the superiority of European military…
1. In the nematode Caenorhabditis elegans, d (dumpy), u (uncoordinated, and (kno
1. In the nematode Caenorhabditis elegans, d (dumpy), u (uncoordinated, and (knobby) are recessive genes located on the same chromosome. Females normal for all three traits were m…
1. In the nephron, fluid flows in the following order: glomerular capsule, dista
1. In the nephron, fluid flows in the following order: glomerular capsule, distal convoluted tubule, nephron loop, proximal convoluted tubule proximal convoluted tubule, nephron l…
1. In the pedigree shown in question 1 of the attachment, are the alleles in ind
1. In the pedigree shown in question 1 of the attachment, are the alleles in individual II-1 present in coupling or repulsion? 2. In the pedigree shown in question 1 of the attach…
1. In the presence of a non-competitive inhibitor a Lineweaver-Burk plot has a h
1. In the presence of a non-competitive inhibitor a Lineweaver-Burk plot has a higher y-intercept than a control (without any inhibitor), and the x intercept is the same as that f…
1. In the process of transcription, incoming RNA nucleotides are in their tripho
1. In the process of transcription, incoming RNA nucleotides are in their triphosphates form. __________________ True False 2. In the process of aerobic respiration, nitrate can f…
1. In the reoxidation of QH2 by purified ubiquinone-cytochrome c reductase (Comp
1. In the reoxidation of QH2 by purified ubiquinone-cytochrome c reductase (Complex III) from heart muscle, the overall stoichiometry of the reaction requires 2 mol of cytochrome …
1. In the same paleomagnetic study, the following stable directions of remanent
1. In the same paleomagnetic study, the following stable directions of remanent magnetization, corrected for the dip of bedding in the limestone formation, were measured in five s…
1. In the same paleomagnetic study, the following stable directions of remanent
1. In the same paleomagnetic study, the following stable directions of remanent magnetization, corrected for the dip of bedding in the limestone formation, were measured in five s…
1. In the scientific method, a control group differs from the experimental group
1. In the scientific method, a control group differs from the experimental group by many variables. A) True B) False 2.What are homologous structures? A) structures with the same …
1. In the scientific method, a hypothesis ____________. A) is a statement of fac
1. In the scientific method, a hypothesis ____________. A) is a statement of fact B) is a proposed explanation based on observations C) is usually proven to be correct D) can only…
1. In the scientific method, a hypothesis ____________. A) is a statement of fac
1. In the scientific method, a hypothesis ____________. A) is a statement of fact B) is a proposed explanation based on observations C) is usually proven to be correct D) can only…
1. In the shorthand notation for a galvanic cell, a double vertical line (II) re
1. In the shorthand notation for a galvanic cell, a double vertical line (II) represents A. a double phase boundary B. an inert electrode C. a phase boundary D. a salt bridge 2. W…
1. In the snail Cepaea nemoralis, an autosomal allele causing a banded shell (b)
1. In the snail Cepaea nemoralis, an autosomal allele causing a banded shell (b) is recessive to the allele for an unbanded shell (8). Genes at a different autosomal locus determi…
1. In the snail Cepoea nemoralis, an autosomal allle causing a banded shell (B1)
1. In the snail Cepoea nemoralis, an autosomal allle causing a banded shell (B1) is recessive to the allele for an unbanded shell (09). Genes at a different locus determine the ba…
1. In the study of house finches and house sparrows (Cooper et al., 2007), how d
1. In the study of house finches and house sparrows (Cooper et al., 2007), how did an epidemic of an eye disease in the finch population help the scientists understand competitive…
1. In the summer of 2016, a large anthrax outbreak struck Siberia. Dozens of peo
1.     In the summer of 2016, a large anthrax outbreak struck Siberia. Dozens of people were hospitalized, and a 12-year-old boy died. It was determined that it was caused by a he…
1. In the tomato, red fruit (R) is dominant over yellow fruit (r) and yellow owe
1. In the tomato, red fruit (R) is dominant over yellow fruit (r) and yellow owers (Wf ) are dominant over white owers (wf ). A cross was made between true-breeding plants with re…
1. In the two following scenarios, a scientist has attempted to support the hypo
1.   In the two following scenarios, a scientist has attempted to support the hypothesis that phosphorus fertilization increases primary productivity in freshwater lakes. For each…
1. In the winter, when water use is low, precipitation ________ evapotranspirati
1. In the winter, when water use is low, precipitation ________ evapotranspiration 2. Which of the following is not one of the standard soil horizons? 3. Which of the following so…
1. In this Ames test, we used S. typhimurium strain TA 1535 which has a base pai
1.In this Ames test, we used S. typhimurium strain TA 1535 which has a base pair substitution in the hisG gene making the cells auxotrophic for histidine. Would this strain be use…
1. In this graph, 12 cm2 cubes of gelatin are placed in dye solutions. Which cub
1. In this graph, 12 cm2 cubes of gelatin are placed in dye solutions. Which cube shows Figure 1. Diffusion of different concentrations of dye into clear 12 cm2 gelatin cubes 60 a…
1. In this question, circle the best answer within the parentheses. FR = functio
1. In this question, circle the best answer within the parentheses. FR = functional response. a. Compare search time: FR 1(> / = / <) FR 3. b. Compare handling time: FR 1 (&…
1. In treating a woman for malignancy in the left breast, the surgeon removes so
1. In treating a woman for malignancy in the left breast, the surgeon removes some of her axillary lymph nodes. Following surgery, the patient experiences edema of her left arm. E…
1. In trimeric G proteins, GTP binds to: the alpha subunit. the beta subunit. th
1. In trimeric G proteins, GTP binds to: the alpha subunit. the beta subunit. the gamma subunit. the activated trimer. 2. Phosphatidylinositol 4,5-bisphosphate (PIP2) is cleaved b…
1. In trimeric G proteins, GTP binds to: the alpha subunit. the beta subunit. th
1. In trimeric G proteins, GTP binds to: the alpha subunit. the beta subunit. the gamma subunit. the activated trimer. 2. Phosphatidylinositol 4,5-bisphosphate (PIP2) is cleaved b…
1. In two hall-lives, the entire original radioactive isotope will be exhausted
1. In two hall-lives, the entire original radioactive isotope will be exhausted a True b. Faise 2. The four geologic time periods discussed in class are: a. Precambrian, Paleozoic…
1. In watermelons Bitter Fruit (B) is dominant over sweet (b) and Yellow spots (
1. In watermelons Bitter Fruit (B) is dominant over sweet (b) and Yellow spots (Y) is dominant over no spots (y). Give the gametes for the following melons. a) BbYy b) Bbyy c) bby…
1. In what field did Dr. Wiens get his Ph.D. in (a nd minor) and to what astrono
1. In what field did Dr. Wiens get his Ph.D. in (a nd minor) and to what astronomical objects did he apply his knowledge of radiometric d ating. 2. Fill in the missing terms from …
1. In what layer of the atmosphere does the ozone maximum occur? a. Mesosphere b
1. In what layer of the atmosphere does the ozone maximum occur? a. Mesosphere b. Stratosphere c. Thermosphere d. Troposphere 2. Which of the following statements is false? a. Tem…
1. In what ways can a primer for DNA synthesis by a DNA polymerase be provided?
1. In what ways can a primer for DNA synthesis by a DNA polymerase be provided? 2. In E.coli, how are the Okazaki fragments of the lagging strands joined to create a complete DNA …
1. In what ways do you think I\'m like you? And not like you? 2. Who is the pers
1. In what ways do you think I'm like you? And not like you? 2. Who is the person who influenced your life the most? 3. Do you have a lost love? 4. Which new technology have you f…
1. In which Paleozoic period are evaporite deposits found that were apparently c
1. In which Paleozoic period are evaporite deposits found that were apparently caused by coral reefs restricting oceanic circulation A. The Cambrian Period B. The Ordovician Perio…
1. In which direction do the ocean currents under the trade winds flow? (Hint: C
1. In which direction do the ocean currents under the trade winds flow? (Hint: Choose the dominant direction of flow.) 2. In which direction do the ocean currents under the prevai…
1. In which layer of the skin is adipose tissue (fat) most abundant? a. epidermi
1. In which layer of the skin is adipose tissue (fat) most abundant? a. epidermis b. dermis c. hypodermis (also known as the subcutaneous layer) 2. Which of the following can resu…
1. In which of the following characters do plasmodial slime moulds and cellular
1.     In which of the following characters do plasmodial slime moulds and cellular slime moulds differ? a.    size b.    Only plasmodial slime moulds have macronuclei. c.     Onl…
1. In which vertebrate group is double circuit circulation first seen, and what
1. In which vertebrate group is double circuit circulation first seen, and what advantage does it confer? 2. Describe how various methods of capillary exchange are able to move ma…
1. In wolves, black coat color is recessive to the normal grey, and blue eye col
1. In wolves, black coat color is recessive to the normal grey, and blue eye color is recessive to brown. A black-coated blue eyed male mates with a female who is heterozygous for…
1. In your clinical Journal, describe a situation you have encounter when doing
1. In your clinical Journal, describe a situation you have encounter when doing Health screening or health promotion activities. a) What did you learn from this experience b) How …
1. In your main response, start by briefly describing your own personal experien
1. In your main response, start by briefly describing your own personal experience with one or more national parks, state parks or wilderness areas. Include specific problems face…
1. In your new job at the Nutrasweet company, you are investigating which transp
1. In your new job at the Nutrasweet company, you are investigating which transport proteins are responsible for carrying your newest low calorie sugar substitute (glucostatic) in…
1. In your own words describe, how the scientific method is applied to conductin
1. In your own words describe, how the scientific method is applied to conducting health sciences research. Please try to stay within 250 words. Here are some terms to guide your …
1. Incidental food additives include all of the following, except: a. Glass frag
1.    Incidental food additives include all of the following, except: a. Glass fragments c. Metal fragments b. Nitrates d. Insect parts 2.    Which of the following is not importa…