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BIO 1404 FINAL EXAM questions with complete solutions 2024
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BIO 1404 FINAL EXAM questions with complete solutions 2024
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BIO 1404 FINAL EXAM questions withcomplete solutions 2024
What jfeatures jare jcommon jto jall jliving jorganisms? j- jANS✓✓-enclosed jby ja
jmembrane
presence jof jcytoplasm j
presence jof jDNA j
presence jof jribosomes
How jdo jelectrons jbehave jwhen jthey jabsorb jor jlose jenergy? j- jANS✓✓-Electrons
jmove jto jhigher jor jlower jshells jby jabsorbing j(higher) jor jreleasing j(lower) jenergy
What jis ja jnonpolar jcovalent jbond? j- jANS✓✓-The jatoms jshare jthe jelectrons
jequally
What jis ja jpolar jcovalent jbond? j- jANS✓✓-One jatom jis jmore jelectronegative, jand
jthe jatoms jdo jnot jshare jthe jelectron jequally j(creating jhot jspots)
What jare jthe jnoncovalent jbonds? j- jANS✓✓-Ionic j
Hydrogen
Hyrophobic
Van jder jWaals jInteractions
What jare jionic jbonds? j- jANS✓✓-Atoms jsometimes jstrip jelectrons jfrom jtheir
jbonding jpartners
j- jmetal jand jnonmetal
j- jBoth jatoms jhave jcharges
j- jBoth jhave jcomplete jvalence jshells
What jare jhydrogen jbonds? j- jANS✓✓-Forms jwhen ja jhydrogen jatom jcovalently
jbonded jto jone jelectronegative jatom jis jalso jattracted jto janother jelectronegative
jatom j(between jwater)
What jare jVan jder jWaals jInteractions? j- jANS✓✓-Attractions jbetween jmolecules
jthat jare jclose jtogether jas ja jresult jof jthese jcharges j(lizard)
, What jare jhydrohphobic jinteractions? j- jANS✓✓-Property jthat jnon-polar
jmolecules jtend jto jform jaggregates jof jlike jmolecules jin jwater
- jhydrophobic jinteractions jform jbetween jhydrophobic jgroups j(membrane)
Why jis jwater jso jspecial? j- jANS✓✓-* jcohesive jbehavior
* jability jto jmoderate jtemperature
* jExpansion jupon jfreezing
* jversatility jas ja jsolvent
What jare jthe j7 jfunctional jgroups jfound jin jlarge jorganic jmolecules? j- jANS✓✓-*
jHydroxyl j(-OH)
* jCarbonyl j(-CO)
* jCarboxyl j(-COOH)
* jAmino j(-NH2)
* jSulfhydryl j(-SH)
* jPhosphate j(-PO3)
* jMethyl j(-CH3)
How jare jpolymers jassembled? j- jANS✓✓-dehydration jreaction j(when jtwo
jmonomers jbond jtogether jthrough jthe jloss jof ja jwater jmolecule)
How jare jpolymers jdisassembled? j- jANS✓✓-hydrolysis j(when jtwo jmonomers
jbreak japart jthrough jthe jaddition jof ja jwater jmolecule)
What jare jthe jmonomers jfor jmacromolecules? j- jANS✓✓-* jmonosaccharide
j(Carbohydrates)
* jamino jacid
(protein)
* jnucleotide
(RNA jor jDNA)
What jare jthe jspecial jnames jof jthe jcovalent jbonds jof jmacromolecules? j-
jANS✓✓-* jglycosidic j(carbohydrate)
* jPeptide j(protein)
* jPhosphodiester j(DNA jor jRNA)
What jare jthe jfunctions jof jproteins? j- jANS✓✓-motility
structural
enzymes
transport
hormones j
cell-surface jreceptors
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