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final exam a&p lecture (exam 1)
Terms in this set (32)
which of the following are proteins that help control metabolism?
which of the following form asters to separate chromosomes in mitosis?
what is believed to be the main cause of Klinefelter's syndrome and Down syndrome?
nondisjunction during sex cell formation
the atoms in sodium chloride (table salt) are held together with:
which of the following is NOT a characteristic of life as it is known on the earth?
able to move
which of the following would be an example of when positive feedback Is used by the body?
birthing a child
which of the following is true about the phospholipid bilayer that makes up the membrane of a cell?
it is selectively permeable & gases cross it by simple diffusion
tim had a birth defect that made it so his cells could not produce flagella on any cells that needed them. what kind of problem would that cause in his life?
the sperm he produced wouldn't be able to swim
which of the following pH values would be the most likely for fluid found in cleaning supplies?
12 --> the range for basic is 8-14
in which of the following would one expect to find tight junctions?
holding together the membranes of the cells in the digestive system
the major buffer in the human body, that helps the blood minimize pH changes, are:
which of the following cell types are known for doing phagocytosis?
macrophages & some white blood cells
if a nurse provides an IV of seawater (boiled to kill contaminates), the number of solutes in the seawater would make it ____________ to the fluid in the red blood cells and cause them to ___________.
hypertonic, shrink into nonfunctional cells
put the following in order from largest to smallest:
6, 4, 2, 3, 1, 5
how many hydrogen atoms would you expect to find in a molecule of ribose?
which of the following are composed of triglycerides?
olive oil, butter, & lard
large numbers of sugar molecules are removed at one time by intestinal cells using which of the following processes?
which of the following include glucose polymers?
when studying the muscle tissue and cells of the heart, the field you would be studying is :
which part of a control mechanism is usually a muscle or a gland in the human?
during which phase of the following phases of the cell cycle are the chromosomes visible microscopically because they are condensed?
metaphase & prophase
what does the atomic symbol "Ca" stand for?
how a person looks or functions, due to the information found in their DNA, is referred to as :
a molecule that was discussed as a second messenger in cells is :
because water has a high heat capacity, this means that :
water has a fairly stable temperature
which of the following would be considered a decomposition type of reaction?
the production of glucose and fructose from sucrose
which of the following cause the formation of a resting membrane potential in the cells of the body?
the sodium-potassium pump & a leak of potassium ions out of the cell
the most common type of control mechanism, such as that used or maintaining blood sugar levels, is :
which of the following is changed when comparing the before and after of a reaction involving an enzyme?
which of the following radioisotopes are used to determine problems with the thyroid gland?
if the mass number of an atom is 27 and the atomic number is 13, how many neutrons will this have if it is a "complete atom"?
which of the following is produced by mitochondria for the cell?
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