Answers created by Joëlle

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• Question #b2d64
  
• Question #a72a0
  
• Which organ secretes enzymes that are active at a low pH?
  
• How can you increase pituitary gland hormones?
  
• Question #f6aec
  
• Question #8c346
  
• How does the ability of a white blood cell to change its shape affect its function?How are the organelles of a single cell like organs of a multicellular organism?
  
• How does the ability of a white blood cell to change its shape affect its function?How are the organelles of a single cell like organs of a multicellular organism?
  
• How does the cell membrane change over time?
  
• Question #871ca
  
• Do the atria receive blood returning to the heart? Does the myocardium receive its blood supply from the coronary arteries?
  
• How are exocrine glands classified?
  
• What is the protein product of the lac I gene of the lac operon?
  
• What does the sodium-potassium pump use?
  
• What is meant by chromosomal instability ?How does having deleted or duplicated chromosomes cause this,and how would this apply to Klinefelters syndrome ?
  
• What chemical does the pituitary gland release?
  
• What part of the paramecium functions as the food entry?
  
• What substance is added during hydrolysis in order to break down food macromolecules?
  
• What is a trait called when it is controlled by more than one gene?
  
• In the nervous system, what is the function of the synapse?
  
• How do the anterior and posterior lobes of the pituitary differ?
  
• What are the subunits of DNA and their function?
  
• Why is gastrointestinal bleeding a complication of cirrhosis?
  
• What phenotypes would this cross produce and in what ratios?
  
• What is the difference between photophosphorylation and oxidative phosphorylation?
  
• In which layer of skin are sweat glands located?
  
• Which level of classification contains the least number of organisms?
  
• What is the endothermic reaction for aerobic respiration in a living cell?
  
• What is transcription aberrancy?
  
• What is a gene body?
  
• One molecule of glucose makes 30 molecules of ATP. How many molecules of glucose are needed to make 6000 molecules of ATP in aerobic respiration?
  
• Why is the Calvin cycle referred fo as a dark reaction?
  
• What chemical do cytotoxic T cells release?
  
• Identify the three subunits in nucleic acids?
  
• What are steroid hormones?
  
• Why is it that during transportation of carbohydrates in plants it is in the form of Sucrose but in animals it is in the form of Glucose?
  
• Why is the nervous system the most important system in our body?
  
• What are the four basic fluids, or humors, that Hippocrates believed were the basis of personality traits?
  
• What is the relationship between photosynthesis and cellular respiration?
  
• Question #37437
  
• Question #8f075
  
• What is the hormone secreted by a muscle cell and are the two hormones secreted by neurons?
  
• Why is nucleic acid a polymer?
  
• One molecule glucose makes 30 molecules of ATP. How many molecules of glucose are needed to make 600 molecules of ATP in aerobic respiration?
  
• What nucleic acid contains uracil?
  
• Question #2c1c4
  
• What is the element with symbol As?
  
• Can someone explain the chemiosmotic production of ATP during electron transport?
  
• What is a property that can be used to identify matter?
  
• What does the formation of a barr body inactivate?
  
• How does the pituitary gland affect the thyroid?
  
• Is the pituitary hormone associated most directly with metabolic rate and with growth and development ACTH, TSH, FSH, LH, or ADH?
  
• Question #d5c7a
  
• What does "CMV" mean on my blood donor card?
  
• What type hormones do the ovaries produce?
  
• In cellular respiration, what is being oxidized and what is being reduced?
  
• Is the process of forming ATP digestion, cellular respiration, metabolism, or nutrition?
  
• During exercise, potassium ions accumulate in the fluid that surrounds muscle cells. Which cell membrane protein helps muscle cells counteract this tendency?
  
• What is bone erosion? Is it like arthritis?
  
• What two main cellular parts must be divided in eukaryotic cell division?
  
• What is meant by the half life of a radioactive nuclide?
  
• In prokaryotes, where is the respiratory electron transport chain located?
  
• Exocrine glands classified as compound tubular have what kind of ducts?
  
• Why is synapse transmission slower than nerve transmission?
  
• How do signal transduction pathways benefit cells?
  
• Does the nervous system process food into molecules that can be absorbed and utilized by the cells of the body?
  
• What are the parts of a reflex arc?
  
• What is a consequence of the fact that a person infected with HIV may have no symptoms for years?
  
• Two of the tenets of the cell theory are: All living things consist of one or more cells, and the cell is the smallest unit of life that displays all of the characteristics of life. Which is the third tenet?
  
• What is the product of the electron transport chain of photosynthesis?
  
• Which kind of exocrine gland has no cytoplasm in its secretion?
  
• A strand of mRNA has the bases guanine-adenine-uracil. What amino acid corresponds to these bases?
  
• What conditions need to be met in order for a cell to pass the critical checkpoint the G1 stage?
  
• If your thyroid gland was removed, how would it affect your pituitary gland?
  
• What would be the result if there were no villi in the intestinal tract and the walls of the intestines were smooth?
  
• What exactly is HBsAg and HBsAb? What exactly is the difference between HBsAg and HBsAb? Are they antibodies that protect against the HBV or is it the actual virus?
  
• How does radiation cause mutation?
  
• What is an amino acid and how do they make up proteins?
  
• Which subdivision of the nervous system is associated with conserving bodily resources?
  
• What is the function of melanin in the skin?
  
• How does oxidation kill bacteria?
  
• Which organ's role is to remove nutrients and bacteria from hepatic portal blood?
  
• When the level of ADH (antidiuretic hormone) increases, is more urine or less urine produced?
  
• What hormones does the pituitary gland control or release?
  
• What do the numbers in blood pressure mean?
  
• In the ELISA test, what do primary antibodies & secondary antibodies do?
  
• Why do histones bind tightly to DNA?
  
• What body cavity holds the rectum?
  
• Of these choices: carotene, hemoglobin, melanin, what is the most responsible for the skin color of dark-skinned people? What provides a natural sunscreen?
  
• What is the lowest level of Maslow's hierarchy of needs?
  
• How would you describe the effect a repressor has on the lac operon when lactose is present.?
  
• Why is gamma decay dangerous?
  
• Calcitonin is a hormone of what gland?
  
• Is sunlight a biotic factor or an abiotic factor?
  
• Why is RNA polymerase used in the DNA replication?
  
• Why do peripheral neurons have long axons?
  
• What does PCR allow you to do with DNA?
  
• Question #a1373
  
• What organisms besides fruit flies have homeobox genes?
  
• How are the nervous system and the skeletal system related?
  
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