Answers created by Joëlle

• Back to user's profile
• Next
• What kind of bond holds the amino acids together in the protein that is formed?
  
• What anterior pituitary hormones stimulates growth?
  
• What is the daughter nucleus (nuclide) produced when #""^64Cu# undergoes beta decay by emitting an electron?
  
• Why do HOX genes occur in clusters?
  
• Where in the mitochondrion does the electron transport chain take place?
  
• Why is gamma decay more dangerous than alpha decay or beta decay?
  
• How many bases are in an anticodon?
  
• Aglutiation in humoral immune responses is carried out by what?
  
• What causes rough endoplasmic reticulum to look "rough" under a microscope?
  
• What type of cell communication occurs if a cell secretes a growth factor that then acts on neighbor?
  
• Question #f2439
  
• What is the function of the genes in the lac operon?
  
• What hormone's name means "against urine flow"? What condition happens if it is not secreted?
  
• What are some shielding materials adequate for protection from alpha particles?
  
• What organ/gland is responsible for emotion?
  
• In the ouchterlony test, what happened when the antibody to horse serum albumin mixed with horse serum albumin?
  
• What does a start and stop codon do?
  
• What do HOX genes do?
  
• Why are homeotic genes referred to as master switches?
  
• How many helium atoms are in a helium blimp containing 494 kg of helium?
  
• How are the different types of blood types formed? What does the Rh factor do?
  
• What is a radioisotope?
  
• What antigens are present in type A negative blood?
  
• What is the adrenocorticotropic hormone?
  
• Question #c59c4
  
• How is the end product of mitosis like the end product of binary fission?
  
• Which phase of the cell cycle is characterized by a non-dividing cell?
  
• Is lymph flow propelled by the contractions of the heart?
  
• In the skin, what is the function of the papillary layer?
  
• How can OH radicals eradicate Virues and Bacteria ?
  
• What is the 3'UTR site of mRNA?
  
• Question #50238
  
• The half life of bromine-73 is 20 min. How much 10 mg sample is still active after 60 min?
  
• Which hormone is produced mainly in the stomach and regulates secretions of gastric juice?
  
• What does phosphorylation do to a molecule?
  
• Is animal photosynthesis possible?
  
• How does bacteria protect their own DNA against restriction enzymes?
  
• Are macromolecules and polymers the same?
  
• A 1.00 carat pure diamond has a mass of 0.2 grams. How many carbon atoms are there within this diamond?
  
• When blood is donated, is the donor's DNA transferred to the recipient?
  
• Why is the root "spirare" the basis of the term cellular respiration?
  
• How does gamma emission affect the atomic number of an isotope?
  
• Question #f6231
  
• Why are villi present in the intestine and not in the stomach?
  
• During an inflammatory response to injury, why do swelling, redness and warmth occur?
  
• What is an advantage of the simple organization of human red blood cells?
  
• Which vitamin pairs play a role in red blood cell formation?
  
• What is needed by the body to free up energy stores in response to stress?
  
• Which organ's major function is converting chemical energy into mechanical energy?
  
• How does fsh affect the male reproductive system?
  
• What archaea live in salty environments?
  
• Which radioisotope is used to diagnose thyroid disorders?
  
• A doctor's order is 0.125g of ampicillin. The liquid suspension on hand contains 250 mg/5.0 mL. How many milliliters of the suspension are required?
  
• How does the hypothalamus communicate with the anterior pituitary?
  
• Is the thyroid an endocrine or an exocrine gland?
  
• How do the antibodies destroy the substance produced by an antigen?
  
• Is DNA found in red blood cells?
  
• Are monosaccharides, amino acids, triglycerides, nucleic acids, or proteins absorbed by the lymphatic system?
  
• An atom of aluminum has an atomic number of 13 and a mass number of 27. How many neutrons does it have?
  
• In what two ways does radon destroy genetic information in lung tissue cells?
  
• From which phrase is the term "prions" derived?
  
• How many moles of aluminum do #6.3*10^-24# aluminum atoms represent?
  
• Considering radiation weighting factors only, how many times more dangerous are alpha particles than protons?
  
• Question #426b8
  
• How long is the duodenum? What is its primary job?
  
• What eventually happens to radioactive isotopes?
  
• What term is defined as a molecule formed by bonding of two monosaccharides?
  
• What is the role of the helicase enzyme in DNA replication?
  
• What are the names of some proteins coded by mitochondrial DNA?
  
• What would most likely happen to pepsin enzymes that traveled with the food from the stomach to the small intestines?
  
• Is cell apoptosis (programmed cell death) the same as autolysis?
  
• How many neutrons are present in a stable atom of #Ag#?
  
• How do HOX genes affect evolution?
  
• Underarm odor is caused by the interaction of bacteria and the secretions of what glands?
  
• 98/43 Tc undergoes gamma decay. How would you determine the resulting nucleus?
  
• A tuning fork is marked 256 hertz. The tuning fork is struck. If you listen to the tuning fork for 2.2 seconds, how many complete cycles will pass you in that time period?
  
• How many epitopes does an antigen have?
  
• The posterior pituitary is not really an endocrine gland. Why not? What is it?
  
• Where are Red Blood Cells, produced? What is the average life span of a RBC?
  
• Why is it an oversimplification to call the pituitary gland the "master" gland?
  
• Question #5c538
  
• Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine?
  
• How do you complete the following alpha decay reaction?
  
• What are the stable isotopes of nitrogen?
  
• If a cell loses or ejects its nucleus, what is its fate and why?
  
• What is the integrating center for the negative feedback loop that regulates body temperature?
  
• Which of the following is not an example of muscular tissue: The right ventricle of the heart, the Achilles tendon, the tissue lining the inside of the small intestine, or the pectoralis major?
  
• Is abnormal bulging of a vessel known as a/an atherosclerosis, aneurysm, or plaque?
  
• How do homeotic genes regulate development in drosophila?
  
• What is the half-life of Americium-242?
  
• What type of digestion is used to break down large food particles by chewing or grinding?
  
• Which of the following process provides a defense against abnormal cells and pathogens inside living cells: Nonspecific response, Inflammatory response, Humoral immunity, or Cell-mediated immunity? HELLLPPP!?
  
• What is the wavelength of a light of frequency #4.47 * 10^14# #Hz#?
  
• What does gamma decay release?
  
• What are two homeostatic functions of the blood?
  
• What is the probability that the son will be a carrier of the recessive allele?
  
• What type of cell junction anchors adjacent cells and resists their separation during contractile activities?
  
• Question #cee68
  
• Question #5f9ca
  
• The wavelength of some orange light is 620.0 nm. What is the frequency of this orange light?
  
• Next