Biology and Genetics
101624 questions • Page 1708 / 2033
When a certain gene product is needed, DNA is _______1______ into _____2______.
When a certain gene product is needed, DNA is _______1______ into _____2______. This molecule then leaves the nucleus and goes to the ribosomes. The ribosome contains ______3_____…
When a child has a chronic condition that limits activity, such as spins bifida
When a child has a chronic condition that limits activity, such as spins bifida what is the greatest long-term concern? a. protein limiting growth b. modified food textures to avo…
When a compound donates (loses) electrons, that compound becomes ______. Such a
When a compound donates (loses) electrons, that compound becomes ______. Such a compound is often referred to as an electron donor. When a compound accepts (gains) electrons, that…
When a couple seeks information concerning the cause of their infertility, which
When a couple seeks information concerning the cause of their infertility, which member of the couple is usually tested first? male female Which technique could be used to investi…
When a cross between parent 1 (AA) and parent 2 (ao) was labeled as P 1 (AA)x P
When a cross between parent 1 (AA) and parent 2 (ao) was labeled as P 1 (AA)x P 2(ao), which of the following is correct OAP 1 (AA) is the seed (maternal) parent, P2(aa) is the po…
When a female fruit fly with notched wings is mated to a male with wild type rou
When a female fruit fly with notched wings is mated to a male with wild type rounded wings, all the F1 offspring have notched wings. When a male with notched wings is mated to a f…
When a gene library is to be made for a particular organism, the extracted genom
When a gene library is to be made for a particular organism, the extracted genomic DNA must be cut up into manageable sized pieces with restriction enzymes before being inserted i…
When a hard hat sustains an impact, it should: O a) Be repaired O b) Remain in u
When a hard hat sustains an impact, it should: O a) Be repaired O b) Remain in use Be replaced d) Be inspected Which of the following types of protection is an employer required t…
When a hard hat sustains an impact, it should: O a) Be repaired O b) Remain in u
When a hard hat sustains an impact, it should: O a) Be repaired O b) Remain in use Be replaced d) Be inspected Which of the following types of protection is an employer required t…
When a hormone such as epinephrine binds to a GTP-bound receptor, the G protein
When a hormone such as epinephrine binds to a GTP-bound receptor, the G protein alpha subunit leaves to activate adenylyl Cyclase. When the alpha subunit re-associates with the be…
When a human cell is placed into water, it swells. Which of the following statem
When a human cell is placed into water, it swells. Which of the following statements best explains this? a) Water is diffusion across the plasma membrane from a region of high (ou…
When a hypodermic needle is passing through the skin to end up giving a subcutan
When a hypodermic needle is passing through the skin to end up giving a subcutaneous injection, which sequence of cell/tissue layers through which it passes would be correct? epid…
When a male duck of one species performed a courtship display to a female of ano
When a male duck of one species performed a courtship display to a female of another species, she interpreted his behavior as aggressive rather than amorous. What type of reproduc…
When a mixture of 3-phosphoglycerate and 2-phosphoglycerate is incubated at 25 °
When a mixture of 3-phosphoglycerate and 2-phosphoglycerate is incubated at 25 °C with phosphoglycerate mutase until equilibrium is reached, the final mixture contains six times a…
When a molecule of NAD^+ () gains a hydrogen atom and electrons to NADH, the mol
When a molecule of NAD^+ () gains a hydrogen atom and electrons to NADH, the molecule becomes A) a reducing agent. B) reduced. C) oxidized. D) hydrogenated. E) redocked. Which of …
When a motor neuron triggers a muscle fiber to contract, _________ion is release
When a motor neuron triggers a muscle fiber to contract, _________ion is released from the __________________________________. This ion binds to the ________________, which pushes…
When a muscle fiber is activated by the neuromuscular junction, tension does not
When a muscle fiber is activated by the neuromuscular junction, tension does not begin to rise until about 1 msec after initiation of the action potential in the muscle fiber. Whi…
When a nerve impulse travels from one neuron to another it follows this path: ax
When a nerve impulse travels from one neuron to another it follows this path: axon, synapse, dendrite dendrite, synapse axon dendrite, glia, synapse, glia, axon axon, glia, synaps…
When a nurse rubs your skin with rubbing alcohol prior to administering an injec
When a nurse rubs your skin with rubbing alcohol prior to administering an injection, what process(es) is he carrying out? Select all that apply. Part B - Disinfecting a changing …
When a patient is moderately dehydrated, what happens to following (increase, de
When a patient is moderately dehydrated, what happens to following (increase, decrease, or no change) and why? A. Blood volume B. Blood pressure C. End diastolic volume D. End sys…
When a peptide Q with the amino acid analysis (Ala, Phe, Glyx2, Trp, Lys, Asn, P
When a peptide Q with the amino acid analysis (Ala, Phe, Glyx2, Trp, Lys, Asn, Pro, Arg, Ser, Tyr) is treated with trypsin, three new peptides are formed (amino acid analysis in p…
When a person becomes drunk, various portions of the brain become impaired. Each
When a person becomes drunk, various portions of the brain become impaired. Each of the following symptoms of drunkenness reflects impairment in a particular region of brain. Iden…
When a person consumes alcohol, the enzyme alcohol dehydrogenase converts ethano
When a person consumes alcohol, the enzyme alcohol dehydrogenase converts ethanol into acetaldehyde in the liver. This acetaldehyde compound is the cause of some of the tell-tale …
When a person contracts and gets a cold or infection, what type of immunity is t
When a person contracts and gets a cold or infection, what type of immunity is this? A. Artificial active immunity B. Natural passive immunity C Artificial passive immunity D. Nat…
When a person gets dehydrated while exercising on a hot day, their pituitary gla
When a person gets dehydrated while exercising on a hot day, their pituitary gland releases ADH, a hormone that signals the kidneys to retain more water. This is an example of Pos…
When a person is severely burned, fluid accumulates in pockets of skin called bl
When a person is severely burned, fluid accumulates in pockets of skin called blisters. Which of the following cellular structures has been damaged and is the ultimate cause of fl…
When a person who cannot breathe properly is placed on a ventilator, an air mixt
When a person who cannot breathe properly is placed on a ventilator, an air mixture is delivered at pressures that are alternately above the air pressure in the person's lung, and…
When a person\'s glucose and glycogen stores are depleted, which can occur due t
When a person's glucose and glycogen stores are depleted, which can occur due to fasting or due to a diet consisting largely of fat (like eskimo diets), the body produces its ener…
When a phosphate group is found in water: a) The partially-negative oxygen atoms
When a phosphate group is found in water: a) The partially-negative oxygen atoms of the water molecules surround the oxygen atoms of the phosphate group. b) The partially-positive…
When a physician listens to your lungs, where is the stethoscope placed? Why? Us
When a physician listens to your lungs, where is the stethoscope placed? Why? Using Figure 4, find the stomach in the anterior portion of the abdominal cavity. Find the point of e…
When a piece of metal Q is dropped into a solution of ions of metal R, the piece
When a piece of metal Q is dropped into a solution of ions of metal R, the piece of Q is quickly coated with a spongy black deposit. What does this observation show? If a student …
When a plant cell is placed in solution A, the contents inside the plasma membra
When a plant cell is placed in solution A, the contents inside the plasma membrane can be seen to shrink away from the cell wall. Solution A is _____ to the interior of the plant …
When a plant cell is placed in solution A, the contents inside the plasma membra
When a plant cell is placed in solution A, the contents inside the plasma membrane can be seen to shrink away from the cell wall. Solution A is _____ to the interior of the plant …
When a polypeptide undergoes hydrolysis, the products are: A) amino acids B) fat
When a polypeptide undergoes hydrolysis, the products are: A) amino acids B) fatty acids C) nucleotides D) polysaccharides E) monosaccharides The following compounds are long chai…
When a population is growing logistically, at what stage is the change in popula
When a population is growing logistically, at what stage is the change in population size (N) over the change in time (t ), i.e. dN/dt, the greatest? A. When N is very small B. Wh…
When a population of cells is examined with a microscope, thepercentage of the c
When a population of cells is examined with a microscope, thepercentage of the cells in the M phase is called the mitotic index. The greater the proportion ofcells that are dividi…
When a problem is seen as having only one answer, with all lines of thinking lea
When a problem is seen as having only one answer, with all lines of thinking leading to that answer, it is known as: a. Creative Thinking b. Divergent Thinking c. Convergent Think…
When a protein does not show cooperativity, the value of n is 1. How does this a
When a protein does not show cooperativity, the value of n is 1. How does this affect the efficiency of oxygen delivery versus the case with a cooperative protein, where the value…
When a protein is co-translationally translocated into the ER it sometimes recci
When a protein is co-translationally translocated into the ER it sometimes reccives attachments of eight mannose residues, which are added to a core carbohydrate unit consisting o…
When a protein is co-translationally translocated into the ER it sometimes recei
When a protein is co-translationally translocated into the ER it sometimes receives attachments of eight mannose residues, which are added to a core carbohydrate unit consisting o…
When a protein is co-translationally translocated into the ER it sometimes recei
When a protein is co-translationally translocated into the ER it sometimes receives attachments of eight mannose residues, which are added to a core carbohydrate unit consisting o…
When a protein is co-translationally translocated into the ER it sometimes recei
When a protein is co-translationally translocated into the ER it sometimes receives attachments of eight mannose residues, which are added to a core carbohydrate unit consisting o…
When a protein is co-translationally translocated into the ER it sometimes recei
When a protein is co-translationally translocated into the ER it sometimes receives attachments of eight mannose residues, which are added to a core carbohydrate unit consisting o…
When a protein is co-translationally translocated into the ER it sometimes recei
When a protein is co-translationally translocated into the ER it sometimes receives attachments of eight mannose residues, which are added to a core carbohydrate unit consisting o…
When a protein is produced from a particular gene, another gene in the same cell
When a protein is produced from a particular gene, another gene in the same cell’s nucleus soon begins to transcribe RNA from its coding regions. When the first gene is artificial…
When a red-flowering (RR) snapdragon is crossed with a white-flowering snap drag
When a red-flowering (RR) snapdragon is crossed with a white-flowering snap dragon (rr) all the offspring in the first generation (Rr) produce flowers of an intermediate color (pi…
When a region of DNA must be repaired by removing and replacing some of the nucl
When a region of DNA must be repaired by removing and replacing some of the nucleotides, what ensures that the new nucleotides are in the correct sequence? (choose the correct ans…
When a region of DNA that contains the genetic information for a protein is isol
When a region of DNA that contains the genetic information for a protein is isolated from a bacterial cell and inserted into a eukaryotic cell in a proper position between a promo…
When a ribosome first attaches to an mRNA molecule, one tRNA binds to the riboso
When a ribosome first attaches to an mRNA molecule, one tRNA binds to the ribosome at the start codon at the: A) A site. B) P site. C) E site.
When a ribosome, translating an mRNA, reaches a stop codon release factor protei
When a ribosome, translating an mRNA, reaches a stop codon release factor protein binds, leading the disassembly of the ribosome/mRNA complex, and the release of the newly synthes…
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