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Biology and Genetics

101624 questions • Page 74 / 2033

1. A researcher is exploring a tropical rainforest that is destined to be clear
1. A researcher is exploring a tropical rainforest that is destined to be clear cut and turned into a palm oil plantation, six months in the future. She encounters many species th…
1. A researcher is performing experiments on the synthesis of a membrane-bound p
1. A researcher is performing experiments on the synthesis of a membrane-bound protein (like a receptor protein). Where in the cell should he/she investigate? The nucleus The lyso…
1. A researcher is trying to determine how his compound derived from eucalyptus
1. A researcher is trying to determine how his compound derived from eucalyptus affects gene expression in breast cancer cells. He performs a microarray to compare the expression …
1. A researcher wants to create a random sample of students at Smart U. A friend
1. A researcher wants to create a random sample of students at Smart U. A friend suggests that the researcher walk across campus and approach every third person she encounters. Is…
1. A restriction enzyme is a. a gene. b. a segment of DNA. c. a segment of mRNA.
1. A restriction enzyme is                     a. a gene.                                                 b. a segment of DNA.                     c. a segment of mRNA.           …
1. A sample of Tap Water consist of water, flourideions,calcium ions, and severa
1. A sample of Tap Water consist of water, flourideions,calcium ions, and several other dissolved ions. the ionsare evenly distributed throughout the water. Which term orterms cou…
1. A scientific theory is a method in science where scientists are in the proces
1. A scientific theory is a method in science where scientists are in the process of trying to prove or disprove phenomenon a. True b. False 2. Which of the following sciences rel…
1. A scientist has a pea plant that produces yellow-seeds. Since yellow is domin
1. A scientist has a pea plant that produces yellow-seeds. Since yellow is dominant to green, she wants to determine if the plant is homozygous or heterozygous. In order to be cer…
1. A scientist studying aging grows young embryonic cells in tissue culture for
1. A scientist studying aging grows young embryonic cells in tissue culture for 20 cell divisions and then freezes them in liquid nitrogen; how many times will the cells divide if…
1. A scientist wants to understand Gene X, which is expressed in response to adr
1. A scientist wants to understand Gene X, which is expressed in response to adrenalin in mammals. a) (5 pts) Which of the following techniques or resources could be used to deter…
1. A scientist wants to understand Gene X, which is expressed in response to adr
1. A scientist wants to understand Gene X, which is expressed in response to adrenalin in mammals a) (5 pts) Which of the following techniques or resources could be used to determ…
1. A screening test that has a low Predictive Value (+) and a high Predictive Va
1. A screening test that has a low Predictive Value (+) and a high Predictive Value (-) is more efficient in identifying A. True positive B. True negative C. False positive D. Fal…
1. A series or sequence of dance tunes from the Tarta Mountains is known as riff
1. A series or sequence of dance tunes from the Tarta Mountains is known as        riffing on saljive pjesme        Yiddish klezmer        reggae fusion        goralski suite 2. A…
1. A severe disease that is inherited as an autosomal recessive trait is more li
1. A severe disease that is inherited as an autosomal recessive trait is more likely to skip generations in a pedigree than an autosomal recessive trait that cuases a harmless phe…
1. A signal molecule in the interstitial fluid binds to a receptor on the cell m
1.   A signal molecule in the interstitial fluid binds to a receptor on the cell membrane, triggering an intracellular cascade. Which function of the cell membrane does this scena…
1. A significant reduction in blood flow to the brain is termed angina. stroke.
1. A significant reduction in blood flow to the brain is termed angina. stroke. Vascular event. Metabolic syndrome. 2.A strong recommendation for people who are going through life…
1. A simple protein that makes up approximately 58% of the plasma proteins. Many
1. A simple protein that makes up approximately 58% of the plasma proteins. Many act as transport molecules. (Click to select)FibrinPlasmaGlobulinSerumFibrinogenAlbumin 2. A simpl…
1. A single stranded DNA molecule (a template) is shown below: 5\'-AAAGGGTCAGTGA
1. A single stranded DNA molecule (a template) is shown below: 5'-AAAGGGTCAGTGACCTAGGCGACCAACCTT-OH 3' Which of the following short DNA sequences could act as a primer that would …
1. A solution of sodium hydroxide (NaOH) was standardized against potassium hydr
1. A solution of sodium hydroxide (NaOH) was standardized against potassium hydrogen phthalate (KHP) A known mass of KHP was titrated with the NaOH solution until a light pink col…
1. A somatic cell divides to form two genetically identical daughter cells durin
1. A somatic cell divides to form two genetically identical daughter cells during mitosis. Prior to mitosis occurring, which of the following must occur? a. The cell must replicat…
1. A species has four sets of chromosomes. How many molecules ofDNA do the nucle
1. A species has four sets of chromosomes. How many molecules ofDNA do the nuclei have during the G2 phase? a.) 4 b.) 8 c.) 16 d.) 32 2. Which of a man's relatives could not be th…
1. A species has four sets of chromosomes. How many moleculesof DNA do the nucle
1. A species has four sets of chromosomes. How many moleculesof DNA do the nuclei have during the G2 phase? a.) 4 b.) 8 c.) 16 d.) 32 2. Which of a man's relatives could not be th…
1. A species of flowering plant includes plants with blooms that range from brig
1. A species of flowering plant includes plants with blooms that range from bright golden yellow to very pale yellow; no flowers carrying the yellow pigment allele appear white. T…
1. A species of flowering plant includes plants with blooms that range from brig
1. A species of flowering plant includes plants with blooms that range from bright golden yellow to very pale yellow; no flowers carrying the yellow pigment allele appear white. T…
1. A structure composed of two or more tissues is termed: a. organ b. serous mem
1. A structure composed of two or more tissues is termed:      a. organ      b. serous membrane      c. complex tissue      d. organ system 2. The visceral pleura:      a. is the …
1. A student attempted to determine the length of each phase of the cell cycle i
1. A student attempted to determine the length of each phase of the cell cycle in a civet cell line. The student counted the number of cells in a culture and found that the number…
1. A student examining a stained root tip of a fern species noted that the a roo
1. A student examining a stained root tip of a fern species noted that the a root cell contains a total of 36 chromosomes. In addition, these cells were diploid. Gender in this fe…
1. A student following the procedure in this lab prepared 4 solutions by adding
1. A student following the procedure in this lab prepared 4 solutions by adding 12.25, 23.00, 25.50, and 34.50 mL of a 8.25 x 102 M NaOH solution to 50.00 mL of a 0.152 M solution…
1. A student is asked to characterise six yeast strains labelled 1, 2, 3, 4, 5 a
1. A student is asked to characterise six yeast strains labelled 1, 2, 3, 4, 5 and 6. The student begins by streaking cells of each strain onto nine different tester media shown i…
1. A student should wash their hands for 10 seconds when practicing aseptic tech
1. A student should wash their hands for 10 seconds when practicing aseptic technique. True/False 2. When transferring culture to agar plates, it is OK to have the plate uncovered…
1. A study was conduced to identify a liver cell gene (zed) that has a length of
1. A study was conduced to identify a liver cell gene (zed) that has a length of 3000 bp. A southern blot was prepared using DNA from the liver cell and a probe made to region 160…
1. A superinfection will most likely occur from taking and antibiotic that A. ta
1. A superinfection will most likely occur from taking and antibiotic that A. targets translation. B. is of the beta-lactam class. C. is static. 2. Which of the following is a mec…
1. A surfboard slides downward on the face of a wave. The steepness of the wave
1. A surfboard slides downward on the face of a wave. The steepness of the wave face is governed by the decrease of L (wavelength) and the increase of H (wave height) as the wave …
1. A symbiotic relationship is one in which both partner organisms benefit... Fi
1. A symbiotic relationship is one in which both partner organisms benefit... First, specifically describe a way that humans help our resident microbes to perform their necessary …
1. A taxon that includes a common ancestor, all descendants of that ancestor, an
1. A taxon that includes a common ancestor, all descendants of that ancestor, and no other organisms is considered to be A) paraphyletic. B) polyphyletic. C) synapomorphous. D) mo…
1. A term we often use for the ad populum fallacy is band wagoning? True or fals
1. A term we often use for the ad populum fallacy is band wagoning? True or false 2.the ad baculum fallacy evokes pity in the listener ? True or false 3. Poisoning the circumstanc…
1. A testcross includes a. one parent who is homozygous recessive for one gene p
1. A testcross includes a. one parent who is homozygous recessive for one gene pair and a second parent one parent who is homozygous dominant for one or more genes and a second pa…
1. A throat isolate exhibits alpha hemolysis and bacitracin resistance. Which of
1. A throat isolate exhibits alpha hemolysis and bacitracin resistance. Which of the following bacteria could it be? a. Streptococcus equi b. Streptococcus agalacitae c. Streptoco…
1. A tradeoff between size and number of offspring means that having more offspr
1. A tradeoff between size and number of offspring means that having more offspring requires that they also be smaller (more; smaller), and having larger offspring requires that t…
1. A transmembrane protein has the following properties: it has two binding site
1. A transmembrane protein has the following properties: it has two binding sites, one for solute A and one for solute B. the protein can undergo a conformational change to switch…
1. A transmembrane protein has the following properties: it has two binding site
1. A transmembrane protein has the following properties: it has two binding sites, one for solute A and one for solute B. the protein can undergo a conformational change to switch…
1. A transmembrane protein has the following properties: it has two binding site
1. A transmembrane protein has the following properties: it has two binding sites, one for solute A and one for solute B. the protein can undergo a conformational change to switch…
1. A true breeding tall pea line is crossed with a true breeding short line. The
1. A true breeding tall pea line is crossed with a true breeding short line. The F1 plants are all short. The F1 are crossed with themselves to produce an F2. If the difference (t…
1. A tumor which is 100 % hypoxic is irradiated with a single X-ray dose of 18 G
1. A tumor which is 100 % hypoxic is irradiated with a single X-ray dose of 18 Gy. The surviving fraction from this dose is measured to be 0.05. When a similar tumor in an air-bre…
1. A typical household well is drilled deep into a(n): unconfined aquifer confin
1. A typical household well is drilled deep into a(n): unconfined aquifer confining bed discharge area confined aquifer 2. What is the best method for a swimmer to protect themsel…
1. A typical polycistronic mRNA MAY contain all of the following EXCEPT (A) a le
1. A typical polycistronic mRNA MAY contain all of the following EXCEPT (A) a leader region (B) start codons(C) stop codons (D) a ribosome binding site (E) a S' cap Use the follow…
1. A viral genome was sequenced and the following percentages of nucleotides wer
1. A viral genome was sequenced and the following percentages of nucleotides were observed: Virus 2: A=20%, C=30%,G=30%,U=20% On what type of molecule is the genetic information c…
1. A water sample was collected from Monona Bay to enumerate total and fecal col
1. A water sample was collected from Monona Bay to enumerate total and fecal coliforms using the MPN method. From this water sample a 10-1 to 10-6 dilution series was prepared. th…
1. A white flowered plant is crossed with a red flowered plant. All of the offsp
1. A white flowered plant is crossed with a red flowered plant. All of the offspring have pink flowers. What best explains this? A. This is a heterozygous trait involving one domi…
1. A woman whose father was a hemophiliac, but whose mother was normal marries a
1. A woman whose father was a hemophiliac, but whose mother was normal marries a man who is normal with no indication of hemophilia. As hemophilia is a sex linked disorder, answer…