ap chap 3 Word Scramble

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Question	Answer
red blood cell placed in pure water would ___	swell and burst
which of the following is not a subcellular structure	intercellular material
which of these is not a function of the plasma membrane	it prevents potassium ions from leaking out and sodium ions from crossing into the cell
extracellular matrix is	the most abundant extracellular material
if a tRNA had a AGC anticodon it could attach to an___mRNA codon	UCG
which of the following does not serve as a signal for cell division?	repressor genes
crenation is likeely to occur in blood cells in	a hypertonic solution
which of the following statments is correct regarding RNA?	messenger RNA transfer RNA and ribosomal RNA play a role in protein synthesis
riboswithces are folded RNA that act as switches to turn protein synthesis on or off in response to____	changes in the enviroment
a gene can best be defined as___	a segment of dna that carries the instructions for one polypeptide chain
which of the following is nota factor that binds cells together?	glycolipids in the glycocalyx
lysomes___	contain acid hydrolasses that are potentially dangerous to the cell
which of these is an inclusion not an organelle?	melanin
which of the following describes the plasma membrane?	the phospholipid bilayer surronding the cell
which statment is the most correct regarding transcription/translation	the nucleotide sequence in a tRNA anticodon is an exact copy of he DNA triplet that ocded for it except that uracil is substituted for thymine.
in the maintenance of the cell resting membrane potential___>	extracellular sodium levels are high
in certain kinds of muscle cells, calcium ions are stored in ____.	the smooth ER
the functions of centrioles include____	organizing the miotic spindle in cell division
mitosis	produces nucleus repliation
which of the following statments is correct regarding diffusion?	the greater the concetration of gradient the faster the rate of diffusion
passive membrane transport processes include____.	movment of a substance down its concentration gradient
some hormones enter cells via	receptor mediated endocytosis
once solid material is phagocytized and taken into a vacuole which of the following statements best describes what happens?	a lysome combines with the vacuole and digest s the enclosed solid material.
enzymes called___ destroy the cells DNA and cytoskeleton producing a quick death of the cell	caspases
the electon microscope has revealed that one of the components within the cell consists of microtubules arranged to form a hollow tube. this structure is a	centriole
the main component of the cytosol is____	water
if cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable what could happen?	the cells will lose water and shrink
which of the following is a concept of the cell thory?	a cell is the casic structural and functional unit of living organisims.
the endomembrane system is___.	the interactive system of organelles whose membranes are physically or functionally connected
which of the following is a principle of the fluid mosaic model of cell membrane structure?	phospholipids form a bilayer that is largly impermeavle to water-soluble molecules
mitochondria_____	contain some of the dna and rna code necessary for their own function
which statment best describes transcytosis	transporting an endosome from one side of a cell to the other and releasing the contents by exocytosis
ribosomes endoplasmic reticulum and the golgi apparatus functionally act in sequence to synthesize and modify proteins for secretory use only never for use by the cell, this statement is ___.	false integral cell membrane proteins are also synthesized this way.
DNA replication	takes place during interphase of the cell cycle
cell junctions that promote th coordinated activity of cells by physically binding them together into a cell community include all of the following except____	peroxisomes
caveolae are closely associated with all but which of the following	enzymes involved in cell metabolism
th RNA responsible for bringing the amino acids tothe facotry site for prtein formation is____.	tRNA
which structures are fingerlike projections that greatly increase the absorbing suface of cells?	microvilli
which of the following is a function of a plasma membrane protein?	molecular transport through the membrane
which transport process is the main mechanism for the movement of most macromolecules by body cells	receptor mediated endocytosis
which ofthe following would not be a constituent of a plasma membrane	messenger RNA
peroxisomes	are able to detoxify substances by enzymatic action
which of the following statments is most correct regarding the intracellular chemical signals known as second messengers	cyclic AMP and caldium may be second messengers
if the nucleotide or base sequence of the dna strand used as a template for messenger RNA sythesis is ACGTT then what would be the sequence of bases in the corresponding mRNA?	UGCAA
which of the following is true regarding the gereration of membrane potential?	both potassium and sodium ions can leak through the cell membrane due to diffusion

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