Biology and Genetics

1. Although cholestrol is a hydrophobic molecule. It has a hydrophilic head grou

1. Although cholestrol is a hydrophobic molecule. It has a hydrophilic head group like all other membrane lpids. (a) TRUE (b) FALSE 2. Phosphatidylserine is the most abundant type…

1. Although in oligo- and polysaccharides, fructose is always in the furanose fo

1. Although in oligo- and polysaccharides, fructose is always in the furanose form and it is the furanose form that is usually drawn in textbooks, in aqueous solution the predomin…

1. Although the outer mitochondrial membrane is permeable to all small molecules

1. Although the outer mitochondrial membrane is permeable to all small molecules, the inner mitochondrial membrane is essentially impermeable in the absence of specific transport …

1. Although we teach natural selection using a single allele, we recognize that

1. Although we teach natural selection using a single allele, we recognize that natural selection works upon the entire phenotype of an organism, not an individual loci. About 85%…

1. Amino acid changes in the primary structure of the protein are not capable of

1. Amino acid changes in the primary structure of the protein are not capable of causing changes in the overall shape of a protein. a.) True b.) False 2. An alpha helix: a.) is de…

1. Amino acids 51-56 were compared for an E coli metabolic enzyme from a wild ty

1. Amino acids 51-56 were compared for an E coli metabolic enzyme from a wild type strain and a strain with a double frameshift mutation, having one nucleotide deletion followed b…

1. Amino acidsthat cannot be synthesized by the body and must be provided by foo

1. Amino acidsthat cannot be synthesized by the body and must be provided by foodare called ____ amino acids. (Points : 1)        2. ____ are amajor source of the body's energy. (…

1. Amiodarone is a drug used to treat people who have unusually high heart rates

1. Amiodarone is a drug used to treat people who have unusually high heart rates, called tachycardia, and works by interfering with the function of voltage-gated potassium channel…

1. An 85 year old white woman is hit by a car while crossing the street and suff

1. An 85 year old white woman is hit by a car while crossing the street and suffers many serious injuries. She is suspected to be homeless, and the only belongings she has are emp…

1. An RFLP can be created a) Only by a deletion removing a restriction enzyme re

1. An RFLP can be created a) Only by a deletion removing a restriction enzyme reognition site b) only in RNA c) By any mutational event that creates or deletes a restriction enzym…

1. An RNA-seq profiling experiment is a different approach to getting the inform

1. An RNA-seq profiling experiment is a different approach to getting the information from a footprint. In this experiment, an RNA is bound by a strongly binding complex such a ri…

1. An advocacy group in Nairobi is petitioning the Kenya pharmacists, drugs and

1. An advocacy group in Nairobi is petitioning the Kenya pharmacists, drugs and poisons board to stop the use of low-dosage antimicrobial agents used to enhance the growth of catt…

1. An alien spacecraft in an elliptical orbit around earth could possess which o

1. An alien spacecraft in an elliptical orbit around earth could possess which of the following properties? a. Positive total energy relative to earth b. an orbital eccentricity o…

1. An archaeologist finds the 14C in a sample of of material to be decaying at 1

1. An archaeologist finds the 14C in a sample of of material to be decaying at 107 counts per second. A modern sample of the same material decays at 151 counts per second. The hal…

1. An area that has common characteristics or features throughout can be called

1. An area that has common characteristics or features throughout can be called a: a. nodal region b. functional region c. uniform region d. locational region 2. Where in the Unit…

1. An athlete travels to the Colorado Rockies to train for an upcoming marathon.

1. An athlete travels to the Colorado Rockies to train for an upcoming marathon. He runs 15 miles every other day and while breathing O2 deficient air. His blood O2 levels become …

1. An atmospheric layer that protects Earth from harmful solar radiation acid ra

1. An atmospheric layer that protects Earth from harmful solar radiation acid rain biosphere greenhouse gasses ozone 2. The maximum population that an area can support carrying ca…

1. An effective respiratory carrier protein must be able to pick up oxygen from

1.         An effective respiratory carrier protein must be able to pick up oxygen from the lungs and deliver it to the peripheral tissues. Two oxygen dissociation curves for prot…

1. An effective respiratory carrier protein must be able to pick up oxygen from

1. An effective respiratory carrier protein must be able to pick up oxygen from the lungs and deliver it to the peripheral tissues. Two oxygen dissociation curves for proteins A a…

1. An established patient comes to the office complaining of migraine headaches.

1. An established patient comes to the office complaining of migraine headaches. The physician performs an expanded problem-focused history and exam. The physician’s medical decis…

1. An example of a mutation that can often create a cis -dominant acting non-ind

1. An example of a mutation that can often create a cis-dominant acting non-inducible variant of the E. coli lac operon would be: A. a nonsense mutation in the lacZ gene. B. a del…

1. An example of a mutualism, or +/+ relationship, is ______. Select one: a. cry

1. An example of a mutualism, or +/+ relationship, is ______. Select one: a. cryptic coloration in frogs b. the relationship between Virginia's warblers and orange-crowned warbler…

1. An example of the pupillary reflex: when shining a light into the left eye on

1. An example of the pupillary reflex: when shining a light into the left eye only, the pupils in both the left eye and right eye get smaller. True or false 2. Umami is described …

1. An exergonic reaction ____________ . a. has the same amount of energy in the

1. An exergonic reaction ____________ . a. has the same amount of energy in the reactants and the product b. has reactants that contain more energy than the product c. requires th…

1. An exergonic reaction is one that _______. An exergonic reaction is one that

1. An exergonic reaction is one that _______. An exergonic reaction is one that Releases energy that is available to do work. Requires an input of energy. is at equilibrium. is no…

1. An exrectory organ must... a. have direct access to blood or other fluids b.

1. An exrectory organ must... a. have direct access to blood or other fluids b. have a filtration barrier with pores of atlesat 150nm diameter c. have a pathway for water and solu…

1. An exrectory organ must... a. have direct access to blood or other fluids b.

1. An exrectory organ must... a. have direct access to blood or other fluids b. have a filtration barrier with pores of atlesat 150nm diameter c. have a pathway for water and solu…

1. An extensive series of mutants has been used to study the function of the U6

1. An extensive series of mutants has been used to study the function of the U6 snRNA. Each U6 mutant listed below prevents splicing. With respect to the various complexes corresp…

1. An important precipitation forming process in clouds in the middle and high l

1. An important precipitation forming process in clouds in the middle and high latitudes a. is based on the fact that saturation vapor pressure over ice is greater than saturation…

1. An important type(s) of compound that is far more toxic in water than in air

1. An important type(s) of compound that is far more toxic in water than in air is/are: a. organic compounds b. photochemicals c. vapors d. lipid-soluble xenobiotics e. metals 2. …

1. An increased risk for cardiovascular health problems is associated with: (Poi

1. An increased risk for cardiovascular health problems is associated with: (Points: 1) an elevated level of hemoglobin. high blood levels of HDLs. decreased production of albumin…

1. An individual\'s blood type is determined by A) antigens on their red blood c

1. An individual's blood type is determined by A) antigens on their red blood cells B) antigens in their plasma C) antibodies on their red blood cells D) antibodies in their plasm…

1. An industrial manufacturing unit produces chlorine using the chloralkali proc

1. An industrial manufacturing unit produces chlorine using the chloralkali process. Using the link provided here on the details of chloralkali process answer the following (10) h…

1. An injury to the cervical area of the spinal cord can cause paralysis and los

1. An injury to the cervical area of the spinal cord can cause paralysis and loss of sensation in the: A. arms and hands. B. arms and legs. C. legs and feet. D. stomach and legs. …

1. An insurance company did not follow applicable rules when setting rates, it c

1.            An insurance company did not follow applicable rules when setting rates, it charged for healthcare benefits under its Federal Employees health Benefits Program (FEHB…

1. An interrupted mating experiment is performed between an Ampicillin-sensitive

1. An interrupted mating experiment is performed between an Ampicillin-sensitive, prototrophic HFR strain and an Ampicillin Resistant his- leu- trp- met- arg- auxotrophic strain. …

1. An interval scale is preferable to an ordinal scale because Select one: a. it

1. An interval scale is preferable to an ordinal scale because Select one: a. it allows the measurement of individual differences. b. it rank orders individuals on some characteri…

1. An investigation of the distribution of species of a smallinvertebrate betwee

1. An investigation of the distribution of species of a smallinvertebrate between a dry area and a humid area in a choicechamber was done. After 6 minutes, it was observed that mo…

1. An isolated population of chimpanzees was discovered on an island. Biochemica

1. An isolated population of chimpanzees was discovered on an island. Biochemical studies show that 1 out of 9 chimpanzees in this population are homozygous for a mutation in the …

1. An occurrence of a gene made larger by trinucleotide repeats is: Allelic expa

1. An occurrence of a gene made larger by trinucleotide repeats is: Allelic expansion Nucleotide expansion Translocation mutation Transformation 2. a chemical that can damage and/…

1. An old film clip at the very beginning of the Chapter 6 video depicts a man b

1. An old film clip at the very beginning of the Chapter 6 video depicts a man being declared clinically insane because of his drug use. What drug is blamed for his insanity? a. M…

1. An onion has a diploid number of 16. How many chromosomes are visible in a ce

1. An onion has a diploid number of 16. How many chromosomes are visible in a cell in Anaphase ? Meiosis The Asiatic lily has a diploid number of 24. How many chromosomes are visi…

1. An outer membrane that contains specialized lipopolysaocharides are found in

1. An outer membrane that contains specialized lipopolysaocharides are found in which type of microorganism? A) Gram negative bacteria B) Gram positive bacteria C Aaid fast bacter…

1. An oxygen equilibrium curve shows_______. Select one: a. the relationship bet

1. An oxygen equilibrium curve shows_______. Select one: a. the relationship between hematocrit and the percentage of oxygenated respiratory pigment in blood. b. the relationship …

1. An unaffected couple has a daughter affected with Koopski\'s disease. Which t

1. An unaffected couple has a daughter affected with Koopski's disease. Which type(s) of inheritance can be ruled out for Koopski's disease? (Choose all that are correct) a. Autos…

1. An unconfined aquifer is contained by an impermeable layer of rock or clay on

1. An unconfined aquifer is contained by an impermeable layer of rock or clay on ____ sides? a) one b) two c) three d) four 2. What is the most precise and efficient irrigation me…

1. Analysis of preserved leaves shows that the density of stomata per unit area

1. Analysis of preserved leaves shows that the density of stomata per unit area of leaf has decreased over the past 200 years. Suggest a hypothesis for this decrease? 2. In an exp…

1. Analyze the causes and events leading to the American Civil War including the

1. Analyze the causes and events leading to the American Civil War including the question of slavery, sectionalism, and how westward expansion exacerbated the situation. 2. Analyz…

1. Analyze the following results. in the presence of non-fat milk? Why or why no

1. Analyze the following results. in the presence of non-fat milk? Why or why not? If the a. Did the Bradford reagent turn blue b. Did the Bradford reagent turn blue in the presen…

1. Andrew is studying harmful algae blooms in Lake Erie. One algal species in pa

1. Andrew is studying harmful algae blooms in Lake Erie. One algal species in particular, Anabaena, seems to be in relative ly high abundance. He hypothesizes that this is due to …