Biology and Genetics
101624 questions • Page 1711 / 2033
When corn plants are too tall, they lodge (topple over) prior to harvest. This i
When corn plants are too tall, they lodge (topple over) prior to harvest. This is bad since the grain is often lost when it cannot be picked up off of the ground by mechanical har…
When corn plants are too tall, they lodge (topple over) prior to harvest. This i
When corn plants are too tall, they lodge (topple over) prior to harvest. This is bad since the grain is often lost when it cannot be picked up off of the ground by mechanical har…
When correlations are done over great distances, geologists use fossils and the
When correlations are done over great distances, geologists use fossils and the principle of faunal succession to help determine relative ages. While finding one good index fossil…
When crossing a plant that is homozygous dominant for flower color (purple) with
When crossing a plant that is homozygous dominant for flower color (purple) with a plant that is homozygous recessive for flower color (white), the F1 generation is: of Select one…
When deoxyribonucleic acid (DNA) is replicated, proofreading occurs __________.
When deoxyribonucleic acid (DNA) is replicated, proofreading occurs __________. because nucleotides are sometimes mismatched or another form of a nitrogenous base is used that doe…
When did Spanish explorers first reach California? 3. Which statement best descr
When did Spanish explorers first reach California? 3. Which statement best describes 'Ranchos.'? California's Gold Rush began in: Which, from the Gold Rush? The greatest demand fo…
When did the modern glacial interval of Earth history begin? Massive glacier cam
When did the modern glacial interval of Earth history begin? Massive glacier came to occupy Antarctica about 34 million years ago, which has never melted away. Massive glacier cam…
When did the statute of limitations start to run in this case? CASE STUDY 14 FAC
When did the statute of limitations start to run in this case? CASE STUDY 14 FACTS: On March 9, 1993, the plaintiff suffered from a sore neck while at work as a nurse anesthetist …
When did the western margin of North American become an active margin? 250 Ma ag
When did the western margin of North American become an active margin? 250 Ma ago 150 Ma ago It has always been an active margin It has always been a passive margin 1 points QU…
When diet and exercise has failed to produce any significant weight loss, some p
When diet and exercise has failed to produce any significant weight loss, some patients who are seriously overweight elect to have stomach surgery, A procedure called gastric slee…
When discussing distances within the Solar System, astronomers often use a unit
When discussing distances within the Solar System, astronomers often use a unit of length called the astronomical unit (or AU), which is the average distance between the Earth and…
When discussing the results from a client/individuals body composition assessmen
When discussing the results from a client/individuals body composition assessment, it's best to include all of the following information EXCEPT? (AKA answer should be the option t…
When disrupting a mouse gene by knockout, why is it desirable to breed mice unti
When disrupting a mouse gene by knockout, why is it desirable to breed mice until offspring homozygous (-/-) for the knockout target gene are obtained? When disrupting a mouse gen…
When dissolved in water the carbohydrate? A- becomes a ring structure B-breaks d
When dissolved in water the carbohydrate? A- becomes a ring structure B-breaks down into simple sugars C-can combine with other carbohydrates D- loses 2 hydrogens E- acts like an …
When disturb, some species of isopods roll up into a ball. Your task is to plan
When disturb, some species of isopods roll up into a ball. Your task is to plan and execute an experiment examining the behavior of the isopod. Determine the following: What shoul…
When does the Signal Transduction step occur during cell communication (or cell
When does the Signal Transduction step occur during cell communication (or cell signaling)? After the cellular response. Before both the receptor is activated and the cellular res…
When does the growth sport usually start for girls and for boys ? Who benefits m
When does the growth sport usually start for girls and for boys ? Who benefits more from early maturity, adolescent boys or girls? What part of the brain develops first in adolesc…
When does the hemoglobin concentration of the blood increase or decrease? What i
When does the hemoglobin concentration of the blood increase or decrease? What is the function of RBCs? When does RBC count increase or decrease? What is the function WBCs? When d…
When does the reproductive system begin to function fully? A. at birth B. before
When does the reproductive system begin to function fully? A. at birth B. before puberty C.when puberty is complete D. when there has been intercourse E. after menopause 1. Which …
When does transcription begin? Select one: O a. When RNA polymerase recognizes t
When does transcription begin? Select one: O a. When RNA polymerase recognizes the promoter. b. When a mRNA strand, a tRNA molecule specifying the first amino acid, and both subun…
When dogs are overheated they pant. When you are overheated you sweat. and persp
When dogs are overheated they pant. When you are overheated you sweat. and perspiration effective mechanisms for cooling? Why are panting 43. Detergents are used to remove oil sta…
When double-stranded DNA is heated, the two strands separate into single strands
When double-stranded DNA is heated, the two strands separate into single strands in a process called melting or denaturation. The temperature at which half of the duplex DNA molec…
When due: Mar. 16th, 25 pts. Each student is to submit her or his own report. Yo
When due: Mar. 16th, 25 pts. Each student is to submit her or his own report. You may share data and other results the group collected during lab However, you may not copy or answ…
When economists estimate the social cost of carbon: They leave out some of the d
When economists estimate the social cost of carbon: They leave out some of the damages from climate change to things that are not “monetized” such as rare and endangered species, …
When energy policy in the US is discussed and presented, it usually contains con
When energy policy in the US is discussed and presented, it usually contains considerable details organized by short term and long term “big ideas”. In addition, after reading the…
When energy policy in the US is discussed and presented, it usually contains con
When energy policy in the US is discussed and presented, it usually contains considerable details organized by short term and long term “big ideas”. In addition, after reading the…
When equal volumes of 0.1 M solutions of HCl and NaOH aremixed, the total number
When equal volumes of 0.1 M solutions of HCl and NaOH aremixed, the total number of ions presentwill be approximately A) twice as great as beforemixing. B) the s…
When erythrocytes (red blood cells; RBCs) are placed in a hypotonic solution suc
When erythrocytes (red blood cells; RBCs) are placed in a hypotonic solution such as distilled water, they swell until the plasma membrane ruptures. This produces an empty cell me…
When evaluating the causal and protective relationship between breastfeeding (ex
When evaluating the causal and protective relationship between breastfeeding (exposure) and obesity (outcome), breastfeeding has been associated with lower rates of childhood obes…
When examining the effect of a local anaesthetic on a nerve bundle, which of the
When examining the effect of a local anaesthetic on a nerve bundle, which of the following could be used as a valid negative control? A The first response produced after anaesthet…
When examining the geology of a region for potential useable aquifers, what char
When examining the geology of a region for potential useable aquifers, what characteristics or factors would you consider? Also, taking into account certain natural and human fact…
When fatty acids are needed in target tissues, the hormone_______(1)_______stimu
When fatty acids are needed in target tissues, the hormone_______(1)_______stimulates a second messenger cascade that results in the phosphorylation of ______ (2) _______ in adipo…
When following an electron from photosystem II to NADPH, which of the following
When following an electron from photosystem II to NADPH, which of the following is the last event to happen before the electron reduces NADP to NADP A photon of light excites the …
When fresh media is inoculated with microbial culture, there is typically a peri
When fresh media is inoculated with microbial culture, there is typically a period of adaptation called the ____. a. Lag phase., b. Log phase (exponential) c. Stationary phase d. …
When glucose is absent but lactose is readily available, what steps need to occu
When glucose is absent but lactose is readily available, what steps need to occur in order to transcribe the structural genes from the lac operon? A) The repressor protein, LacI, …
When glucose is present, the lac genes are not fully expressed, even in the pres
When glucose is present, the lac genes are not fully expressed, even in the presence of inducer. This is called catabolite repression. 1. Why does it make biological sense to have…
When glucose levels in the blood rise after a meal, the pancreas releases a horm
When glucose levels in the blood rise after a meal, the pancreas releases a hormone called insulin. The function of insulin is to bind receptors on the surface of fat, muscle, and…
When glutamate + malate is used instead of succinate, a big difference was found
When glutamate + malate is used instead of succinate, a big difference was found fig (b). Addittion of atepnin had NO EFFECT on the rate of O2 consuption. What does this suggest a…
When glutamate + malate is used instead of succinate, a big difference was found
When glutamate + malate is used instead of succinate, a big difference was found fig (b). Addittion of atepnin had NO EFFECT on the rate of O2 consuption. What does this suggest a…
When hemoglobin is oxygenated is it to as the T state. Most polar residues face
When hemoglobin is oxygenated is it to as the T state. Most polar residues face the outside of the protein and interact with solvent. Thick filaments are composed almost entirely …
When horizontal gene transfer occurs, an organism can obtain genes that may help
When horizontal gene transfer occurs, an organism can obtain genes that may help it to survive and reproduce (increasing its fitness). Which of the following are some potential be…
When human red blood cells mature, they spit out their nuclei along with everyth
When human red blood cells mature, they spit out their nuclei along with everything inside the nuclei. In their final stage, they even lose their ribosomes. Which of these stateme…
When in a hot environment or during exercise, dogs do not sweat the way people d
When in a hot environment or during exercise, dogs do not sweat the way people do. To cool themselves dogs pant to circulate cool air through their bodies through a form of respir…
When in a hot environment or during exercise, dogs do not sweat the way people d
When in a hot environment or during exercise, dogs do not sweat the way people do. To cool themselves dogs pant to circulate cool air through their bodies through a form of respir…
When individuals of any species find themselves in an enviorment that differs fr
When individuals of any species find themselves in an enviorment that differs from the environment to which they are evolutionarily adapted, we observe that: a) They engage in beh…
When injured people come into the hospital after an MCE, if they are unable to p
When injured people come into the hospital after an MCE, if they are unable to provide you with identification, what information can he used to help others identify them? a. Hair …
When intact mitochondria (incubated) is in a buffered solution of succinate (oxi
When intact mitochondria (incubated) is in a buffered solution of succinate (oxidizabale substrate) and ADP plus Pi. When cyanide is added what effect does it hae on the consumpti…
When interspecific competition occurs between two species with similar niches: A
When interspecific competition occurs between two species with similar niches: A. Both species will be driven to extinction B. One species is harmed because only one species can e…
When intravenous fluids are given to a patient in a hospital, careful attention
When intravenous fluids are given to a patient in a hospital, careful attention must be paid to the salt concentration of those fluids. The salt concentration must be isotonic (sa…
When investigators study human genetics, they often must examine \"family trees,
When investigators study human genetics, they often must examine "family trees," or pedigrees. The following page shows two different pedigrees, each following the expression of a…
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