Biology question and answers for January 06, 2024
- Q Crane wrote The Red Badge of Courage to convey the reality of war and its impact on humans rather than to glorify it At times he conveys a mocking attitude...
- Q c Which samples gave negative results in the biuret test 2 The xanthoproteic test b Which protein samples gave positive xanthoproteic test results c Comment on the composition of the...
- Q 16 Piaget believed that in each stage children OA need constant external motivation OB learn most effectively through lecture OC need to use workbook pages to learn math OD build...
- Q ddATP is tagged with a green marker that emits light at 540 nm ddGTP is tagged with a yellow marker that emits light at 570 nm and ddTTP is tagged...
- Q antiparallel strands NMN Answer Bank left handed Z Iorm AVA All
- Q 4 Before the Renaissance virtually all dramas focused on O A family relationships B religious themes OC life and death plots D the human condition
- Q 10 What type of writing is most similar to an autobiography OA Novel OB Short Story O C Poetry OD Memoir
- Q 8 A story s exterior narrative is the OA inner thoughts and feelings of the writer OB actions and events in the story C comments about society and its institutions...
- Q on the image progesterone levels high The diagram shows the development of the oocyte and the follicle during the menstrual cycle Identify at which stage in the cycle the hormone...
- Q 12 The purpose of an indicator is to O A conduct electricity OB make a solution more neutral O C test and determine the pH values of unknown solution D...
- Q Arrange these oligonucleotides according to the distance traveled in an electrophoretic separation Shortest distance traveled
- Q Question 51 What is the name of muscle 1 one word Copyright The McGraw H Comparies Inc Permission required for reproduction or display Superficial Deep 2
- Q For each of the four major biomolecules identify the name and structure of its monomer amino acid fatty acid Ange H O H Nucleic Acid monosaccharide OH CH OH OH...
- Q Most fertilizers contain ammonia NH3 Ammonia forms when hydrogen reacts with nitrogen Which equation correctly represents the chemical reaction that forms ammonia 3H N NH3 H2 N2 2NH3 C H...
- Q In sexual reproduction there are two parents and two sets of chromosomes A new organism is formed with one set of chromosome from each parent Ge offspring inherits traits from...
- Q 43 1 How much of 0 5M of EDTA will Cecilia need to make 770 mL of 0 2M EDTA Show your calculation 4pts clearly and in a stepwise manner...
- Q The diagram depicts the molecular structure of DNA Label the diagram with the names of the components of the nucleic acid OP O OP O pyrimidine hase 0 H H...
- Q Application of heat to living cells can result in all of the following EXCEPT a decreased thermal death time b damage to nucleic acids c alteration of membrane permeability d...
- Q One common way to achieve sallective sovicity for mangal drugs alke less harmful for humansd is to target the ergosteril in the fungal plasma mentbrane cholesteral in the human glasma...
- Q During inflammation there is an activation and increased concentration of liver produced proteins in the blood called antibodies kinins leukotrienes acute phase proteins
- Q Which of the following is not a possible outcome of antigen antibody interaction Activation of complement Antibody directed cell cytotoxicity ADCC Opsonization
- Q A surgeon is testing various tissue samples to create a library of spectrometry signatures Which of the following statements is true of the mass spectrometer select all that apply More...
- Q Bengal tigers and Siberian tigers are members of the same species but have slightly different features Which sentence describes the likeliest cause of this difference between populations OA Mutations caused...
- Q What is the inducer in the Lac operon system 2 3 4 A protein Lactose Glucose Any sugar
- Q Which of the following is not located in the Sun Belt Nebraska O Georgia O Arizona Texas
- Q Draw the deoxyribonucleotide TGA The molecules already in the drawing area below should be a convenient starting point However you might still need to m additional atoms and bonds HO...
- Q A child is brought to the hospital with a fever of 107 F Doctors immediately order an ice bath to lower the child s temperature Which statement offers the most...
- Q 10 In the figure to the left a shows how the normal regulatory gene produces a protein pink oval that regulates the gene for active protein Based on the figure...
- Q Describe how acid precipitation i e acid rain can affects ecosystems
- Q A production of antibiotics B production of cheese and sausages C production of beer and wine D production of soy sauce A and B are correct
- Q 4 In addition to phagocytosis how can neutrophils destroy bacterial pathogens extracellular Answer
- Q 1 Which of the complement activation pathways is the most efficient Why Anguor
- Q 2 Are all cytokines chemokines or are all chemokines cytokines Answer
- Q What type s of cells destroy virus infected cells Treg cells CTLs TH cells dendritic cells B cells
- Q In the H E stain The sample is then stains stains residues in is used to remove the alcohol or wax at the start with an alcohol series to take...
- Q How many kilometers in 2 300 000 centimeters
- Q A human child is trisomic for chromosome 18 and has Edwards syndrome How many total chromosomes would this individual have 1 2 3 38 69 47
- Q Watson Wilkins and Crick who won the Nobel prize for delineating the structure of DNA used the data of but died of cancer before the prize was announced Linus Pauling...
- Q Thymol blue is an indicator that is red in strongly acidic solutions begins to turn yellow just below pH 1 and begins to turn blue just below pH 9 Predict...
- Q One is composed of 3 Onucleotide codons amino acids proteins Try again protein nucleotides amino acids codons amino acid codons proteins amino acids nucleotide amino acids codons proteins codon nucleotides...
- Q One is composed of 3 and creates hundreds of thousa O O protein nucleotides amino acids codons O amino acid codons proteins amino acids O nucleotide amino acids codons proteins...
- Q Several bacterial colonies are placed on a petri dish that contains agar with antibiotics After 24 hours ninety percent of the original bacterial colonies die but the remaining ten percent...
- Q Generate relative humidity data to answer the questions that follow Degrees Difference Between Wet and Dry Bulbs Monday Tuesday Wednesday Thursday Friday Dry Bulb Temp 14 16 28 16 Wet...
- Q 5 Use a relative humidity chart to fill in the blanks An example has been provided for you Degrees Difference Between Wet and Dry Bulbs C 2 Question Number EXAMPLE...
- Q Directions Select the name of each correct species in the chart More than one species may be correct he chart below shows several species found in a pond ecosystem and...
- Q The phosphorus cycle is shown in the diagram below Weathering of phosphate rocks Soil surface OB Phosphate fertilizer source OA I II and III only I and II only OC...
- Q It is difficult to protect a design patent as people make slight variations in design to circumvent your patent as people make slight variations in design to circumvent your patent...
- Q 4 If the DNA double helix were twisted ladder what w made of The sides are made of alternating What would the rungs of the ladder be made of The...
- Q Be Si Fro ne Le Ir PART A Use the diagram to answer the questions below Ovi P a es T A G TA CG G C B A T...
- Q A difference between a political party and an interest group is that the main goal of an interest group is to get its members elected into political office a political...
- Q support government intervention willing to use more funding for social programs support stricter gun laws support stricter environmental regulations support universal healthcare The list above probably describes which political party...
- Q Directions Type your answer in the box You may use numerals or words DNA replication involves producing new copies of DNA molecules How many individual DNA strands exist after one...
- Q Which of the following best describes the product of RNA translation OA a DNA molecule OB an RNA molecule OC a chromosome OD a protein
- Q 65 The proximity effect of speeding an enzyme catalyzed reaction is explained by A increasing the flexibility of the substrate by increasing its degrees of freedom of rotation B a...
- Q 60 When varying the substrate concentration at a fixed concentration of enzyme it is observed that at while at high concentrations of substrate the low concentrations of substrate the reaction...
- Q 69 What is the net charge on the tripeptide Gly Arg Lys at pH 7 The table below gives the pka s of the ionizable groups on the free amino...
- Q 53 The following data were obtained in the presence and absence of inhibitor What type of inhibition is 53 shown Substrate concentration millimolar 0 100 0 200 0 500 0...
- Q 3 Amino acids with non ionizable side chains are zwitterions when they are A at physiological pH pH 7 4 B in any solution C in alkaline solutions only D...
- Q 48 What type of inhibition is indicated by the data graphed below 5 1 A uncompetitive C competitive 0 with inhibitor 1 S Control no inhibitor B noncompetitive D irreversible...
- Q Which of the following is true about plants and cellular energy O A Plants use light energy to produce food molecules during cellular respiration and to obtain cellular energy from...
- Q 45 A protein that contains more isoleucine phenylalanine and leucine than asparagine lysine and arginine is most likely A neutral C hydrophilic B hydrophobic D low on the hydropathy index...
- Q 44 In which technique is a protein solution a pumped through a metal needle at high voltage to create tiny droplets that are analyzed for their mass charge ratio A...
- Q 46 Which is used to hydrolyze the peptide bonds of a protein to yield free amino acids A SDS B PITC C CN Br D HCI 47 The R group...
- Q 49 The liquid emerging from the bottom of a chromatography column is called the C supernatant A eluate B lysate 50 Disulfide bridges can form in proteins D solute 49...
- Q Homeostasis refers to the necessity of an organism to maintain constant or stable internal conditions What structure helps cells maintain homeostasis by regulating the movement of materials into and out...
- Q The images below show red blood cells surrounded by three different solutions Each solution was prepared by adding a differe amount of a particular solute sodium chloride to pure water...
- Q In carrying out normal activities cells use oxygen and produce carbon dioxide The concentration of oxygen is higher in the blood than inside the cell so oxygen moves into the...
- Q 40 Many proteins have multiple subunits because A an active site is shared by different subunits B different combinations can perform different functions C they are more stable and flexible...
- Q 2 Which technique is commonly used to determine the three dimensional conformation of a protein A isoelectric focusing C SDS PAGE B the Edman degradation D X ray crystallography 42
- Q If the water concentration inside a cell is higher than the water concentration outside the cell water flows out of the cell This method of molecular transport is called O...
- Q In most animal cells a complex network of proteins provides which of the following OA shape OB movement OC organization OD all of these
- Q The diagram below shows the process of meiosis O A Which of the following best describes how the process of meiosis helps preserve genetic continuity from one generation to the...
- Q How are the processes of mitosis and meiosis similar to each other O A Both processes result in the same number of cells produced Both processes involve only one division...
- Q Which of these pathways or processes produce ATP using substrate level phosphorylation Both glycolysis and the Citric Acid Cycle The electron transport system Pyruvate oxidation in the PDH The Citric...
- Q Drag and drop to match the enzymes structures and sequences to the correct description Enzyme that charges tRNA molecules by catalyzing a bond between the tRNA and a corresponding amino...
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