nln Flashcards
what is the name for any substance that stimulates the production of antibodies ?
-collagen
-hemoglobin
-lymph
-antigen
antigen
which of the following terms is NOT related to cell division in sexual reproduction ?
-mitosis
-telophase
-fission
-prophase
fission
if a cell is placed in a hypertonic solution, what will happen to the cell ?
-it will swell
-it will shrink
-it will stay the same
-it does not affect the cell
It will shrink
which group of major parts and organ make up the immune system ?
-lymphatic system, spleen, tonsils, thymus, and bone marrow
-brain, spinal cord, and nerve cells
-heart, veins, arteries, and capillaries
-nose, trachea, bronchial tubes, lungs, alveolus, and diaphragm
lymphatic system, spleen, tonsils, thymus, and bone marrow
the rate of a chemical reaction depends on all of the following EXCEPT
-temperature
-surface area
-presence of catalysts
-amount of mass lost
amount of mass lost
which of the following statements correctly compares prokaryotic and eukaryotic cells?
-prokaryotic cells have a true nucleus, eukaryotic cells do not
-both prokaryotic and eukaryotic cells have a membrane
-prokaryotic cells do not contain membrane-bound organelles, eukaryotic cells do
-prokaryotic cells are more complex than eukaryotic cells
prokaryotic cells do not contain membrane-bound organelles, eukaryotic cells do
what is the role of the ribosomes ?
-make proteins
-waste removal
-transport
-storage
make proteins
if an organism is AaBb, which of the following combinations in the gametes is NOT possible?
-AB
-aa
-aB
-Ab
aa
what is the oxidation of hydrogen in CaH2?
-+1
–1
-0
-+2
-1
which hormone stimulates milk production in the breasts during location ?
-norepinephrine
-antidiuretic hormone
-prolactin
-oxytocin
prolactin
what is the typical result of mitosis in humans?
-two diploid cells
-two haploid cells
-four diploid cells
-four haploid cells
two diploid cells
which of the following is not true of a reaction catalyst’s potential?
-it can speed up a reaction
-it can cause a reaction
-it is never destroyed
-it is always found on the right side of an equation
it is always found on the right side of an equation
which of the following structures has the lowest blood pressure?
-artery
-arteriole
-venule
-vein
vein
which element will most likely form a covalently bonded compound when it bonds with sulfur ?
-argon (Ar)
-iron (Fe)
-lithium (Li)
-oxygen (O)
oxygen (O)
what is another name for aqueous HI?
-hydroiodate acid
-hydrogen monoiodide
-hydrogen iodide
-hydriodic acid
hydriodic acid
which of the heart chambers is the largest?
-left atrium
-right atrium
-left ventricle
-right ventricle
left ventricle
which of the following is NOT a product of the Krebs cycle?
-carbon dioxide
-oxygen
-adenosine triphosphate (ATP)
- energy carriers
oxygen
which of the following best describes how the water inside an organism affects its temperature?
-water increases temperature
-water keeps temperature stable
-water decreases temperature
-water does not affect temperature
water keeps temperature stable
what is the mass (in grams) of 7.35 mol water?
-10.7g
-18g
-132g
-180.6g
132g
which of the following proteins is produced by cartilage?
-actin
-estrogen
-collagen
-myosin
collagen
which component of the nervous system is responsible for lowering the heart rate ?
-central nervous system
-sympathetic nervous system
-parasympathetic nervous system
-distal nervous system
parasympathetic nervous system
a population of pea plants has 25% dwarf plants and 75% tall plants. the tall allele, T is dominant to the dwarf allele, t. what is the frequency of the T allele?
-0.75
-0.67
-0.5
-0.25
0.5
what is the name of the binary molecular compound NO5?
-nitro pentoxide
-ammonium pentoxide
-nitrogen pentoxide
-pentnitrogen oxide
nitrogen pentoxide
