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75 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Which of the following is not common to all life forms ?___________
a) DNA b) use of oxygen c) ATP d) glycolysis |
use of oxygen
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Test 1 (4)
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The nucleus of an atom is composed of____________ and ____________
a) neutrons b) electrons c) isotopes d) protons e) ions |
neutrons
protons |
Test 1 (6)
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An atom that has gained or lost an electron is called______________
a) organic atom b) ion c) molecule d) electronegative |
ion
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Test 1 (8)
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The fundamental force that causes unlike charges to attract each other is called the_________________
a) gravitational force b) nuclear force c) electromagnetic forced d)thermodynamic force |
electromagnetic force
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Test 1 (9)
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Covalent bonds are formed by_______________
a) attraction between hydrogen atoms b) sharing of a pair of electrons c) electrostatic force d) sharing of a single electron |
sharing of a pair of electrons
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Test 1 (11)
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A molecule is said to be polar if it has _______________
a) ability to survive in very cold temperatures b) one or more double bonds c) anionic bond with a shared electron d) an uneven distribution of its shared electrons |
an uneven distribution of its shared electrons
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Test 1 (12)
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Hydrogen bonds are_______________
a) bonds between hydrogen atoms b) electromagnetic attractions between two polar molecules c) a type of covalent and requiring carbon d) an atom bonded with hydrogen that dissociates in water |
electromagnetic attractions between two polar molecules
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Test 1 (13)
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Matching: ( Each answer can be used more than once)
a) ionic bonding b) molecular symmetry c) hydrogen bonding d) quantum effects e) polar molecule ____Water is a good heat buffer because of ____Water is a good insulator because of ____Water is a good solvent because of ____Solid water is lighter than liquid water because of ____Can supply trees in defiance of gravity because of |
hydrogen bonding
hydrogen bonding polar molecule hydrogen bonding hydrogen bonding |
Test 1 (14)
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A series of reactions in which the products of one reaction become the substrates of the next reaction is called a________________
a) metabolic pathway b) chain reaction c) transport chain d) redox reaction |
metabolic pathway
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Test 1 (19)
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The covalent bond that links amino acids together to form proteins is called_____________
a) glycosidic b) peptide c) hydrogen d) disulfide |
peptide
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Test 1 (24)
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Why do fats have more calories than carbohydrates ? ___________
a) higher oxygen content b) more likely to undergo an exergonic reaction c) more C-H bonds d) fats have less calories than carbohydrates |
more C-H bonds
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Test 1 (26)
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Phospholipids arrange themselves so that their phosphates face toward water and their lipids face away from water. This arrangement causes them to have a middle layer that is_____________ a) ionic b) hydrophilic c) polar @) hydrophobic
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hydrophobic
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Test 1 (28)
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Genetic information is passed from one generation to the next in a process called________
a) osmosis b) diffusion c) heredity d) mitosis |
heredity
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Test 1 (31)
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Compare RNA and DNA:
____single strand ____uses the base uracil ____comes in three types ____ made in the nucleolus ____contains genes |
RNA
RNA RNA RNA DNA |
Test 1 (32)
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The rough endoplasmic reticulum Is rough because ____________
a) genetic variation b) microscopic artifact c) attachment of ribosomes d) aging |
attachment of ribosomes
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Test 1 (35)
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Final packaging and routing of proteins is done In the______________
a) endoplasmic reticulum b) nucleus c) Golgi complex d) ribosome |
Golgi complex
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Test 1 (36)
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The membrane of the transport vesicle fuses with the cell membrane and the contents are released from the cell. This process is called________________
a) exocytosis b) phagocytosis c) blastocytosis d) apoptosis |
exocytosis
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Test 1 (37)
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Hypertonic solutions create
a) entropy b) osmotic pressure c) hydrostatic pressure d) electrostatic pressure |
osmotic pressure
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Test 1 (42)
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What kind of molecules can pass through a cell membrane ?a) ionic b) polar c) hydrophobic
d) strong acids |
hydrophobic
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Test 1 (43)
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How do other molecules get across the cell membrane ? _________________
a) transmembrane protein channels b) ionic exchange c) nuclear proliferation d)portal circulation |
transmembrane protein channels
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Test 1 (44)
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The movement of molecules or ions from an area of high concentration to an area of low concentration is _____________
a) diffusion b) translocation c) active transport d) osmosis |
diffusion
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Test 1 (45)
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The traits of an organism are its_____________
a) genotype b) personality c) phenotype d) social pathology |
phenotype
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Test 2 (1)
Traits of an organism |
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These traits are determined by its_______________
a) genotype b) religion c) environment d) peers |
genotype
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Test 2 (2)
Traits of an organism |
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Alternate forms of homologous genes are called________________
a) chromatids b) alleles c) trisomy d) transposons |
alleles
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Test 2 (3)
Traits of an organism |
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If an allele is expressed in the heterozygous state , it must be______________
a) recessive b) dominant c) co-dominant d) co-recessive |
dominant
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Test 2 (4)
Traits of an organism |
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A recessive trait is only expressed if the alleles are______________
a) co-dominant b) polygenic c) homozygous d) homologous |
homozygous
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Test 2 (5)
Traits of an organism |
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If phenotypic traits exist in a range of characteristics , rather than just one or the other, it is an example of________________ a) co-dominance
b) polygenic inheritance c) incomplete dominance d) heterozygous |
polygenic inheritance
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Test 2 (8)
Traits of an organism |
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Each piece of genetic information is encoded on a________________
a) enzyme b) phospholipid c) gene d) ribosome |
gene
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Test 2 (9)
Traits of an organism |
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Match the to lowing complementary bases :
a) adenine b) cytosine c)thymine d)guanine ____adenine ____cytosine ____thymine ____guanine |
thymine
guanine adenine cytosine |
Test 2 (13)
Traits of an organism |
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The Problem with X-linked disorders for males is that there is _________________
a) no dominant genes on the Y chromosome b) X- linked disorders are found only in females c) no back-up X chromosome d) males with two Xs have a worse disorder |
no back-up X chromosome
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Test 2 (16)
Traits of an organism |
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If a child has an autosomal recessive disorder, what can be said about his parents ?________________
a) one parent must have had the disorder b) both parents must have had the disorder c) one parent was a carrier of the disorder d) both parents were carriers of the disorder |
both parents were carriers of the disorder
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Test 2 (18)
Traits of an organism |
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If a child has an autosomal dominant disorder, what can be said about his parents? _______________
a) one parent must have the disorder b) both parents must have the disorder c) one parent was a carrier of the disorder d) both parents were carriers of the disorder |
one parent must have the disorder
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Test 2 (19)
Traits of an organism |
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why is DNA polymerase able to construct an exact copy of the DNA ?__________________
a) It doesn't get in a hurry b) it uses an RNA template c) complementary bases only bond one way d) it has five different nucleotides to choose from |
complementary bases only bond one way
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Test 3 (3)
trisomy |
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T or F : A point mutation may ______
____have no effect ____produce a better protein ____change the line-up of amino acids in a protein ____produce a premature stop codon ____change all the codons in a gene |
T
T T T F |
Test 3 (7)
trisomy |
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A mutation that causes the mis-reading of all subsequent codons is called a______________
a) frameshift b) transposon c) transcription d) base substitution |
frameshift
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Test 3 (8)
trisomy |
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Three bases on messenger RNA that codes for an amino acid are a_______________________
a) ribosome b) exon c) codon d) allele |
codon
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Test 3 (15)
trisomy |
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An anti-codon is_________________
a) an enzyme that cuts mRNA b) a docking site on a ribosome c) the complementary bases to a codon d) the mRNA after it is completely translated |
the complementary bases to a codon
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Test 3 (16)
trisomy |
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The last codon on the messenger RNA is called the________________
a) exon b) tyrosine c) methionine d) tryptophan |
methionine
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Test 3 (18)
trisomy |
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An organism has incorporated a piece of new DNA from another organism into its chromosome. It is now called__________________
a) conjugated b) transgenic c) transduced d) cloned |
transgenic
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Test 3 (21)
trisomy |
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The closest analogy to a clone is_______________
a) monster b) presidential candidate c) identical twin d) a point mutation |
identical twin
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Test 3 (24)
trisomy |
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DNA identification involves comparing portions of DNA called__________________
a) junk DNA b) introns c) short tandem repeats d) transposons
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short tandem repeats
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Test 3 (26)trisomy
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Energy in use is__________
a) work b) potential c) cyclic d) kinetic |
kinetic
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Test 4 (2)
primary energy source |
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Energy waiting to be used is______________
a) work b) potential c) cyclic d) kinetic |
potential
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Test 4 (3)
primary energy source |
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Increasing disorder is also known as_______________
a) dissociation b) normal teenage behavior c) entropy d) chemotaxis |
entropy
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Test 4 (6)
primary energy source |
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An exergonic reaction______________energy.
a) increases b) releases c) requires d) reflects |
releases
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Test 4 (7)
primary energy source |
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To say that an organism requires energy is the same as saying it requires ___________
a) DNA b) ATP c) RNA d) cyclic AMP |
ATP
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Test 4 (12)
primary energy source |
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If a molecule loses electrons in a reaction, it has been _______
a) oxidized b) reduced It has also____________energy. a) lost b) gained |
oxidized |
Test 4 (14)
primary energy source |
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If a molecule gains electrons in a reaction, it has also gained __________
a) voltage b) power c) energy d) covalence The process of gaining electrons is called______________ a) electrolysis b) reduction c) oxidation d) phosphorylation |
energy
reduction |
Test 4 (15)
primary energy source |
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Molecules that intervene in reactions to capture electrons before their energy can be wasted are called____________
a) substrates b) enzymes c) electron carriers d) proton pumps |
electron carriers
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Test 4 (17)
primary energy source |
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The Krebs cycle takes place in the_________________
a) cytoplasm b) nucleus c) mitochondrial membrane d) mitochondrial inner compartment |
mitochondrial inner compartment
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Test 4 (22)
primary energy source |
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The importance of the Krebs cycle is that it_______________
a) uses oxygen b) makes 32 ATPs c) reduces 8 electron carriers d) produces oxygen as a by—product |
reduces 8 electron carriers
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Test 4 (23)
primary energy source |
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The shorter the wavelength of light, the_______ the energy.
a) higher b) shorter c) lower d) brighter |
higher
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Test 4 (25)
primary energy source |
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The process by which some organisms absorb light energy and transform it into chemical energy which they store in carbohydrate bonds is___________ _
a) electron transport chain b) photosynthesis c) glycolysis d) phosphorylation Products of the above process are___________and___________a) carbon dioxide b) water c) glucose d) oxygen e) amino acids The substrates used in this process are_________and_________ a) carbon dioxide b) water c) glucose d) ATP e) oxygen |
photosynthesis
glucose oxygen carbon dioxide water |
Test 4 (26)
primary energy source |
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The exported product from the dark reaction is______________
a) carbon dioxide b) an energized 3 carbon sugar c) ATP d) water |
an energized 3 carbon sugar
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Test 4 (33)
primary energy source |
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Gaps in leaf surfaces that Allow the exchange of water and gases are____________
a) stigma b) petioles c) stomata d) phloem |
stomata
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Test 4 (34)
primary energy source |
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These gaps close when the temperature rises in order to conserve water. What side effect does this have ?_________
a) leaves become water-logged b) carbon dioxide cannot enter the leaf c) oxygen cannot enter the leaf d) sunlight cannot enter the leaf |
carbon dioxide cannot enter the leaf
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Test 4 (35)
primary energy source |
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Radiometric dating is a technique for measuring the age of an object by measuring its______________
a) chemical composition b) polarity c) radioactive decay d) freezing Point |
radioactive decay
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Test 5 (1)
Evolution |
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Radiometric dating has established the age of the Earth as beinga Years______________
a) 4600 b) 46,000 years c) 46 million years d) 46 billion years |
46 billion years
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Test 5 (2)
Evolution |
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Structures that have different functions but have the same anatomical design arecalled_____________ structures.
a) vegetative b) homologous c) duplicate d) collateral |
homologous
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Test 5 (5)Evolution
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Structures that are functional on some organisms but when found on otherorganisms seem to have no purpose are_________________
a) vestigial b) the result of inbreeding c) homologous d) fossils |
vestigial
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Test 5 (6)Evolution
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Structures on different organisms that perform the same function but are not Irelated anatomically are_________________structures. a) duplicate b) vestigial
c) analogous d) allopatric |
analogous
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Test 5 (7)Evolution
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These structures represent_____________evolution. a) diversifiedb) bilateral c) classic d) convergent
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convergent
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Test 5 (8)Evolution
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Natural selection acts on variations in the gene pool. These variations are causedby_____________
a) continental drift b) meteor strikes c) chancemutations d) selective breeding |
chance mutations
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Test 5 (13)Evolution
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A_______________consists of all members of a species that live at a given time.
a) family b) organism c) genotype d) population |
population
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Test 5 (15)Evolution
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The total of alleles in a population is the______________ a) diploid number b) gene pool c) selection bias d) sexual strategy |
gene pool
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Test 5 (17)Evolution
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Disadvantageous characteristics will tend to die out. This will cause a change in the____________ of the population. a) homologous structures b) habitat c) allele frequency d) radiometric dating |
allele frequency
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Test 5 (18)Evolution
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Migrations between populations cause_________________
a) founder effect b) gene flow c) convergent evolution d) coevolution |
gene flow
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Test 5 (21)Evolution
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The process by which chance events cause changes in allele frequency is________________
a) genetic drift b) convergent evolution c) sexual selection d) mitotic division |
genetic drift
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Test 5 (23)Evolution
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Choosing mates because of a particular characteristic is called ________________
a) random mating b) sexual selection c) disruptive gene flow d) harmony.com |
sexual selection
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Test 5 (27)Evolution
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The evolutionary importance of survival is___________________
a) retirement b) predation c) reproduction d) socialization |
reproduction
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Test 5 (28)Evolution
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Competition between organisms occurs because______________
a) changes is fashion b) envy c) limited resources d) only the strong survive |
limited resources
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Test 5 (29)Evolution
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If predators kill all the week or slow members of a prey population, the next organisms to suffer will be_________________
a) organisms at the top of the food chain b) fastest members of the prey predator population c) fastest members of the predator population d) weak or slow members of the population of the predator population |
weak or slow members of the population of the predator population
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Test 5 (31)Evolution
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Geographic isolation that produces a new species is called______________ speciation.
a) disruptive b) convergent c) allopatric d) stabilizing |
allopatric
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Test 5 (37)Evolution
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A situation in which two groups of the same species do not mate at the same timeis called____________________
a) mating isolation b) behavioral isolation c) temporal isolation d) disruptive isolation |
temporal isolation
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Test 5 (40)Evolution
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An organism survives a major extinction. It speciates to fill all the newly-vacated niches. This is called__________________ a) disruptive speciation b) behavioral isolation c) hybridization d) adaptive radiation |
adaptive radiation
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Test 5 (44)Evolution
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