Biology and Genetics
101624 questions • Page 41 / 2033
1) Binding of ________ to myosin permits cross-bridge _____________ between acti
1) Binding of ________ to myosin permits cross-bridge _____________ between actin and myosin in skeletal muscle cells. A) ATP; detachment B actin; detachment C)calcium; attachment…
1) Binding of ________ to myosin permits cross-bridge _____________ between acti
1) Binding of ________ to myosin permits cross-bridge _____________ between actin and myosin in skeletal muscle cells. A) ATP; detachment B actin; detachment C)calcium; attachment…
1) Biochemical pathway and the production of molecules In a biochemical pathway,
1) Biochemical pathway and the production of molecules In a biochemical pathway, a molecule that contains a single carbon atom is combined with an other molecule that has a 5-carb…
1) Black fur in mice (B) is dominant to brown fur (b). short tails (H) are domin
1) Black fur in mice (B) is dominant to brown fur (b). short tails (H) are dominant to long tails (h). what fraction of the offspring of the cross BbHh x BBhh will have black fur …
1) Bookeepers and scientists are troubled by a decline in bee populations around
1) Bookeepers and scientists are troubled by a decline in bee populations around the world. What can be predicted as a consequence of this? a- loss of crop productivity b- decline…
1) Both emb and macconkey agars are differential and selective for gram-negative
1) Both emb and macconkey agars are differential and selective for gram-negative enteric bacteria. Explain how those media are different. 2)If the staining of the respiratory secr…
1) Botulinum toxin (BT) is not only the basis of Botox treatments but is also us
1) Botulinum toxin (BT) is not only the basis of Botox treatments but is also used in many medical applications. Recent studies have shown that after this chemical is injected i…
1) Boundary lubrication: a) Occurs if two surfaces are completely separated by l
1) Boundary lubrication: a) Occurs if two surfaces are completely separated by lubricant b) Occurs at low loads and high sliding speeds c) Is a result of bone fracture d) Lowers f…
1) Brianna was a 2-month-old, formula-fed infant in a rural community in Nebrask
1) Brianna was a 2-month-old, formula-fed infant in a rural community in Nebraska. Brianna’s mother noticed signs of blueness around the baby’s mouth and fingers. One night after …
1) Briefly explain why a larger-than-normal end-diastolic volume helps the heart
1) Briefly explain why a larger-than-normal end-diastolic volume helps the heart pump more blood out during that heart cycle (increase stroke volume) the list of statements below …
1) Calculate the ratio of optic density versus viable cell. 2) Your teacher has
1) Calculate the ratio of optic density versus viable cell. 2) Your teacher has told you that this ratio is specific for this bacterial type only. Explain why? 3) How much is the …
1) Callus: a) is found in endochondral areas of the long bone b) Is present in f
1) Callus: a) is found in endochondral areas of the long bone b) Is present in fetal bone c) Is a result of bone fracture d) Is a weak form of bone e) Is unmineralized bone 2) Mus…
1) Carbapenems are a class of beta lactam antibiotics similar to penicillin. Des
1) Carbapenems are a class of beta lactam antibiotics similar to penicillin. Describe the mechanism of action for carbapenems. what is their target and how does it cause bacteria …
1) Cells use primarily two ways of storing potential energy: 1) as concentration
1) Cells use primarily two ways of storing potential energy: 1) as concentration gradients and 2) in molecules. A) Explain how energy can be stored in these two forms and how it c…
1) Chemical fixation in the preparation of biological specimens for TEM is prima
1) Chemical fixation in the preparation of biological specimens for TEM is primarily used to examine which one of the following types of samples? Crystalline samples Particulate s…
1) Choose the word or phrase that best completes each statement about the use of
1) Choose the word or phrase that best completes each statement about the use of medical technology to alter immune function. 1. A(n) (Click to select) idiotype protease inhibi…
1) Choose the word/phrase from the right to complete the statement on the left.
1) Choose the word/phrase from the right to complete the statement on the left. a) Archea b) Fungi c) Plantae d) Chitin e) Mixotrophs f) Protista g) Protista h) Heterotrophs i) Eu…
1) Circulation: What is the cardiac output for a person whoseheart beats 70 beat
1) Circulation: What is the cardiac output for a person whoseheart beats 70 beats/min with a stroke volume of 70 mL? 2) Bioinstrumentation: An unknown resistor (R3) is connected i…
1) Cities in developing countries have been shrinking as millions of people emig
1) Cities in developing countries have been shrinking as millions of people emigrate out in search of work. a TRUE, b FALSE, 2) The U.S. government paid 90 percent of the cost of …
1) Compare appropriate pregnancy weight gains for underweight, normal weight and
1) Compare appropriate pregnancy weight gains for underweight, normal weight and overweight women. Include 3 suggestions you would give to a pregnant woman for achieving ideal …
1) Compare light photons and infrared photons, and analyze the attributes of eac
1) Compare light photons and infrared photons, and analyze the attributes of each. 2) Explain what happens to light photons when they get to Earth and provide relevant real-life e…
1) Compare the seasonal primary productivity maps with the information you have
1) Compare the seasonal primary productivity maps with the information you have about each cetacean species’ seasonal migration patterns. Are they related? Complete the chart…
1) Compare throughputs of various sequencing technologies and discuss the impact
1) Compare throughputs of various sequencing technologies and discuss the impact of sequencing using a case study taking an example of human or plant disease 2) Design a workflow …
1) Comparing Finches and Flies: The Hawaiian fruit flies and Darwin’s finches ha
1) Comparing Finches and Flies: The Hawaiian fruit flies and Darwin’s finches have both undergone rapid speciation on islands. From the perspective of the four mechanisms of evolu…
1) Complete the following sentences: eukaryotes, exons, transcription, cap, ribo
1) Complete the following sentences: eukaryotes, exons, transcription, cap, ribosomal RNA, translation, cytoplasm, messenger RNA, nucleous, introns, poly-A, prokaryotes, RNA polym…
1) Complete the following table: Day CTT ADM TRF-in DIS TRF-out CTT A&D IPSD 6/1
1) Complete the following table: Day CTT ADM TRF-in DIS TRF-out CTT A&D IPSD 6/1 48 2 1 3 1 47 1 48 6/2 47 3 0 1 1 48 2 50 6/3 48 4 1 2 2 49 1 50 6/4 49 0 1 2 1 47 0 47 6/5 47…
1) Conifers such as pine trees are: a-angiosperms b-lycophytes c-bryophytes d-ch
1) Conifers such as pine trees are: a-angiosperms b-lycophytes c-bryophytes d-charophytes e-gymnosperms 2) Apples, oranges, peanuts, and rice grains are produced by: a-gymnosperms…
1) Consider Bateman\'s 3 \"rules\", as described in Tang-Martinez. Is anisogamy
1) Consider Bateman's 3 "rules", as described in Tang-Martinez. Is anisogamy a cause or a consequence of the sex-typical pattern? Explain. 2) What is one reason why Bateman's "par…
1) Consider a population of diploid, sexual organisms. For a given gene there ar
1) Consider a population of diploid, sexual organisms. For a given gene there are two alleles (A and a). The allele frequencies are f(A) 0.8 and f(a)-0.2. What sort of genotype fr…
1) Consider a situation in which oxygen and carbon dioxide are mixed in a sealed
1) Consider a situation in which oxygen and carbon dioxide are mixed in a sealed chamber at partial pressures of 350 mm Hg each. If a beaker of distilled, gas-free water is put in…
1) Consider the following crossinvolving five independently assorting genes: Aa
1) Consider the following crossinvolving five independently assorting genes: Aa Bb Cc Dd Ee ´ Aa bb cc DD Ee a. What proportion of theprogeny will have the same phenoty…
1) Consider two bloodpolymorphisms that humans have in addition to the ABO syste
1) Consider two bloodpolymorphisms that humans have in addition to the ABO system. Twocodominant alleles LM and LN determine the M,N, and MN blood groups. The dominant allele…
1) Consider two enzymes Bert (solid line) and Ernie (dotted line) that exhibit t
1) Consider two enzymes Bert (solid line) and Ernie (dotted line) that exhibit the kinetic behavior shown in the following graph: b) Suppose you doubled the concentration of Bert …
1) Contaminated the atmosphere with oxygen 2.5 billion years ago 2) Oxidizes NAD
1) Contaminated the atmosphere with oxygen 2.5 billion years ago 2) Oxidizes NADH from the matrix 3) A suicide inhibitor of respiration 4) Acts as the terminal electron acceptor i…
1) Cross 2: Parental Red Eyed Female with Parental White Eyed Male Number of Red
1) Cross 2: Parental Red Eyed Female with Parental White Eyed Male Number of Red eye Male Offspring: 47 Number of White eye Male Offspring: 0 Number of Red eye Female Offspring: 5…
1) DNA fingerprinting is based on the fact that: a) small amount of tissue is en
1) DNA fingerprinting is based on the fact that: a) small amount of tissue is enough for analysis b) number of repeated sequence is unique in each individual c)DNA be isolated eas…
1) DNA from a lac + pur + arg + strain is used to transform a lac - pur - arg -
1) DNA from a lac+pur+arg+ strain is used to transform a lac-pur-arg- bacterial strain. Given the cotransformation data below, determine the gene order. Exp.1: lac+ pur+, frequenc…
1) DNA is found only in the nucleus of a cell. a) DNA is found not only in the n
1) DNA is found only in the nucleus of a cell. a) DNA is found not only in the nucleus of a eukaryotic cell but also in the ribosomes and, if present, in the vacuoles. b) DNA is f…
1) DNA sequences derived from transposable elements are rare in the human genome
1) DNA sequences derived from transposable elements are rare in the human genome. A)True B)False 2) DNA glycosylases recognize and cleave phosphodiester bonds in DNA. A)True B)Fal…
1) Definitions: (20 pts; 2 pts each) USE FIGURE, IF POSSIBLE a. topology- b. att
1) Definitions: (20 pts; 2 pts each) USE FIGURE, IF POSSIBLE a. topology- b. attribute- c. cadastre- d. terrain trafficability functions- e. digital elevation model f. line coordi…
1) Derrick designed an experiment in which participants listened to a persuasive
1) Derrick designed an experiment in which participants listened to a persuasive speech delivered either by a person who was very tall or a person who was average in height. In ad…
1) Describe 3 roles of the bicarbonate ion in the body ( hint:one is not a respi
1) Describe 3 roles of the bicarbonate ion in the body ( hint:one is not a respiratory function) 2) A person was brought to the emergency room unconscious.Breathing was shallow an…
1) Describe Wnt signaling pathway. 2) Give 2 examples of effector proteins and d
1) Describe Wnt signaling pathway. 2) Give 2 examples of effector proteins and describe. 3) Give 5 examples of what turns off the signal in cell signaling and describe each briefl…
1) Describe a technique for measuring photosynthetic rate. 2) Many deciduous tre
1) Describe a technique for measuring photosynthetic rate. 2) Many deciduous trees have leaves which turn yellow in the fall. What do you suppose is happening in the leaves at the…
1) Describe an experiment of your design to build upon what was found in this st
1) Describe an experiment of your design to build upon what was found in this study (make sure it is clearly related to the specific findings in this article! You will lose points…
1) Describe an experiment of your design to build upon what was found in this st
1) Describe an experiment of your design to build upon what was found in this study (make sure it is clearly related to the specific findings in this article! You will lose points…
1) Describe an experiment of your design to build upon what was found in this st
1) Describe an experiment of your design to build upon what was found in this study (make sure it is clearly related to the specific findings in this article! You will lose points…
1) Describe an experiment of your design to build upon what was found in this st
1) Describe an experiment of your design to build upon what was found in this study (make sure it is clearly related to the specific findings in this article! You will lose points…
1) Describe how ATP and NADPH are produced during the light-capturing reactions
1) Describe how ATP and NADPH are produced during the light-capturing reactions of photosynthesis. 2) Describe the three phases of the Calvin cycle. 3) Compare and contrast the ro…
1) Describe how the body\'s major organ systems work together to get glucose fro
1) Describe how the body's major organ systems work together to get glucose from the digestive system to the mucsle cells of the leg? 2) Why are malnourished people often more sus…
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