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BIOL-L 5 112 5 Final 5 Exam 5 with 5 accurate 5
detailed 5 solutions
Which 5 of 5 the 5 following 5 is 5 an 5 antigen 5 presenting 5 cell? a. 5 T 5 cell b. 5 Plasma 5 cell c. 5 macrophage d. 5 dendritic 5 cell e. 5 dendritic 5 cell 5 and 5 macrophage 5 - 5 Correct 5 answer 5 ✔e. 5 dendritic 5 and 5 macrophage Antigen 5 presenting 5 cell 5 - 5 Correct 5 answer 5 ✔a 5 cell 5 that 5 displays 5 antigen 5 complexed 5 with 5 a 5 major 5 histocompatibility 5 complexes Which 5 of 5 these 5 is 5 the 5 site 5 for 5 protein 5 and 5 lipid 5 synthesis? a. 5 nucleus 5 b. 5 cytoskeleton c. 5 mitochondria d. 5 endoplasmic 5 reticulum e. 5 all 5 of 5 these 5 - 5 Correct 5 answer 5 ✔d. 5 endoplasmic 5 reticulum Organelle 5 composed 5 of 5 a 5 system 5 of 5 tubes, 5 and 5 sacs 5 that 5 transport 5 molecules 5 inside 5 the 5 cytoplasm 5 are:
a. 5 Golgi 5 body b. 5 ribosome c. 5 mitochondrion d. 5 lysosome e. 5 endoplasmic 5 reticulum 5 - 5 Correct 5 answer 5 ✔e. 5 endoplasmic 5 reticulum They 5 have 5 been 5 dubbed 5 as 5 "conveyor 5 belts"; 5 they 5 move 5 vesicles, 5 organelles, 5 and 5 chromosomes a. 5 cilia b. 5 flagella c. 5 microtubules d. 5 microfilaments e. 5 Golgi 5 apparatus 5 - 5 Correct 5 answer 5 ✔c. 5 microtubules Peoxisomes 5 would 5 most 5 likely 5 be 5 involved 5 in 5 the 5 metabolism 5 of: a. 5 glucose b. 5 alcohol c. 5 white 5 blood 5 cells 5 d. 5 pesticides 5 e. 5 nucleoli 5 - 5 Correct 5 answer 5 ✔b. 5 alcohol Which 5 statement 5 is 5 NOT 5 true? a. 5 Membranes 5 are 5 often 5 perforated 5 by 5 proteins 5 that 5 extend 5 through 5 both 5 sides 5 of 5 the 5 membrane
Inoculation 5 against 5 the 5 following 5 is 5 recommended 5 for 5 the 5 general 5 public 5 EXCEPT 5 for: a. 5 C 5 Diptheriae b. 5 B 5 anthracis c. 5 C 5 tetani d. 5 B 5 pertussis e. 5 H 5 influenzae 5 - 5 Correct 5 answer 5 ✔b. 5 B 5 anthracis An 5 enzyme 5 that 5 is 5 present 5 in 5 both 5 photosynthesis 5 and 5 respiration 5 is 5 called a. 5 ATP 5 synthase b. 5 PEP 5 carboxylase c. 5 Rubisco d. 5 helicase 5 e. 5 ligase 5 - 5 Correct 5 answer 5 ✔a. 5 ATP 5 synthase The 5 greatest 5 number 5 of 5 ATP 5 molecules 5 is 5 produced 5 in a. 5 glycolysis b. 5 lactate 5 fermentation 5 c. 5 anaerobic 5 respiration d. 5 electron 5 transport 5 e. 5 the 5 Krebs 5 cycle 5 - 5 Correct 5 answer 5 ✔d. 5 electron 5 transport Which 5 of 5 the 5 following 5 is 5 NOT 5 associated 5 with 5 meiosis?
a. 5 reduction 5 of 5 number 5 of 5 chromosomes b. 5 somatic 5 cells c. 5 sexual 5 reproduction 5 d. 5 sperm 5 and 5 egg e. 5 germ 5 cells 5 - 5 Correct 5 answer 5 ✔somatic 5 cells If 5 all 5 of 5 the 5 offspring 5 of 5 a 5 testcross 5 are 5 alike 5 and 5 resemble 5 the 5 organism 5 being 5 tested, 5 then 5 that 5 parent 5 is 5 a. 5 homozygous 5 dominant b. 5 heterozygous 5 dominant c. 5 heterozygous d. 5 recessive e. 5 incompletely 5 dominant 5 - 5 Correct 5 answer 5 ✔homozyhous 5 dominant Mendel's 5 dihybrid 5 crosses, 5 but 5 not 5 his 5 monohybrid 5 crosses, 5 showed 5 that a. 5 some 5 genes 5 were 5 linked 5 together 5 b. 5 the 5 two 5 alleles 5 controlling 5 a 5 trait 5 were 5 divided 5 equally 5 among 5 the 5 gametes c. 5 alleles 5 for 5 different 5 traits 5 were 5 inherited 5 independently 5 d. 5 one 5 of 5 the 5 pair 5 of 5 alleles 5 is 5 dominant 5 to 5 the 5 other 5 e. 5 the 5 crossing 5 of 5 two 5 different 5 homozygous 5 forms 5 will 5 not 5 produce 5 any 5 offspring 5 in 5 the 5 first 5 generation 5 that 5 will 5 look 5 like 5 either 5 of 5 the 5 parents 5 - 5 Correct 5 answer 5 ✔alleles 5 for 5 different 5 traits 5 were 5 inherited 5 independently
Amniocentesis 5 - 5 Correct 5 answer 5 ✔screens 5 for 5 developmental 5 abnormalities A 5 color-blind 5 man 5 and 5 a 5 woman 5 with 5 normal 5 vision 5 whose 5 father 5 was 5 color 5 blind 5 have 5 a 5 son. 5 Color 5 blindness, 5 in 5 this 5 case, 5 is 5 caused 5 by 5 an 5 X-linked 5 recessive 5 gene. 5 If 5 only 5 the 5 male 5 offspring 5 are 5 considered, 5 the 5 probability 5 that 5 their 5 son 5 is 5 color 5 blind 5 is 5 - 5 Correct 5 answer 5 ✔ 50 5 percent Males 5 tend 5 to 5 be 5 affected 5 in 5 greater 5 numbers 5 by 5 X-linked 5 recessive 5 genetic 5 disorders 5 than 5 are 5 females 5 because 5 - 5 Correct 5 answer 5 ✔males 5 have 5 only 5 one 5 recessive 5 gene 5 for 5 the 5 disorder Which 5 of 5 the 5 following 5 is 5 found 5 in 5 greater 5 abundance 5 in 5 sperm 5 and 5 eggs 5 compared 5 to 5 regular 5 somatic 5 cells? a. 5 ER b. 5 microtubules c. 5 mucus d. 5 centrioles e. 5 mitochondria 5 - 5 Correct 5 answer 5 ✔mitochondria All 5 of 5 the 5 following 5 is 5 true 5 regarding 5 replication 5 EXCEPT a. 5 it 5 involves 5 both 5 strands 5 of 5 DNA 5 as 5 templates b. 5 it 5 uses 5 the 5 enzyme 5 DNA 5 polymerase c. 5 it 5 results 5 in 5 a 5 double-stranded 5 end 5 product d. 5 it 5 requires 5 three 5 different 5 types 5 of 5 RNA 5 molecules 5 for 5 initiation
e. 5 extension 5 of 5 the 5 new 5 strand 5 grows 5 in 5 the 5 5' 5 to 5 3' 5 direction 5 - 5 Correct 5 answer 5 ✔it 5 requires 5 three 5 different 5 types 5 of 5 RNA 5 molecules 5 for 5 initiation The 5 transcription 5 initiator 5 complex 5 is 5 comprised 5 of 5 the 5 - 5 Correct 5 answer 5 ✔promoter 5 and 5 TATA TATA 5 box 5 - 5 Correct 5 answer 5 ✔DNA 5 sequence 5 that 5 indicates 5 where 5 a 5 genetic 5 sequence 5 can 5 be 5 read 5 and 5 decoded Which 5 cancer 5 causes 5 the 5 greatest 5 number 5 of 5 deaths 5 in 5 both 5 men 5 and 5 women 5 - 5 Correct 5 answer 5 ✔lung Most 5 of 5 the 5 oxygen 5 in 5 the 5 blood 5 is 5 transported 5 by 5 - 5 Correct 5 answer 5 ✔hemoglobin Which 5 blood 5 type 5 is 5 the 5 universal 5 donor 5 - 5 Correct 5 answer 5 ✔O Mutant 5 and 5 cancerous 5 cells 5 are 5 destroyed 5 by 5 which 5 cells 5 - 5 Correct 5 answer 5 ✔Cytoxic 5 T The 5 immunoglobulin 5 G 5 molecule 5 consists 5 of 5 how 5 many 5 polypeptide 5 chains, 5 including 5 light 5 and 5 heavy 5 chains 5 - 5 Correct 5 answer 5 ✔ 4 Clones 5 of 5 B 5 or 5 T 5 cells 5 are 5 - 5 Correct 5 answer 5 ✔produced 5 only 5 when 5 their 5 surface 5 proteins 5 recognize 5 specific 5 antigens
The 5 purpose 5 of 5 a 5 vaccine 5 is 5 to 5 - 5 Correct 5 answer 5 ✔stimulate 5 the 5 immune 5 response 5 and 5 cause 5 memory 5 cells 5 to 5 be 5 formed When 5 the 5 body's 5 defenses 5 turn 5 against 5 its 5 own 5 cells, 5 the 5 disorder 5 is 5 called 5 - 5 Correct 5 answer 5 ✔an 5 autoimmune 5 response The 5 major 5 difference 5 between 5 the 5 male 5 and 5 female 5 reproductive 5 system 5 is 5 the 5 - 5 Correct 5 answer 5 ✔provision 5 of 5 a 5 site 5 for 5 fertilization 5 and 5 development 5 in 5 the 5 female The 5 seminal 5 vesicles 5 are 5 misnamed. 5 Sperm 5 are 5 actually 5 stored 5 in 5 the 5 - 5 Correct 5 answer 5 ✔epididymis If 5 the 5 ductus 5 deferens 5 tubes 5 are 5 cut 5 and 5 tied, 5 the 5 semen 5 will 5 not 5 contain 5 - 5 Correct 5 answer 5 ✔sperm Sperm 5 become 5 fully 5 motile 5 in 5 the 5 - 5 Correct 5 answer 5 ✔vagina Which 5 of 5 the 5 following 5 is 5 NOT 5 involved 5 in 5 a 5 feedback 5 loop 5 in 5 the 5 male 5 reproductive 5 system a. 5 anterior 5 pituitary b. 5 hypothalamus c. 5 adrenal 5 gland d. 5 Sertoli 5 cells 5 e. 5 Leydic 5 cells 5 - 5 Correct 5 answer 5 ✔adrenal 5 gland
The 5 release 5 of 5 testosterone 5 requires 5 - 5 Correct 5 answer 5 ✔lutenizing 5 hormone 5 and 5 GnRH Which 5 of 5 the 5 following 5 structures 5 is 5 NOT 5 found 5 in 5 mature 5 sperm? a. 5 DNA 5 molecules b. 5 acrosome 5 with 5 enzymes c. 5 mitochondria d. 5 microtubules 5 in 5 the 5 tail e. 5 ribosomes 5 - 5 Correct 5 answer 5 ✔ribosomes The 5 primary 5 reproductive 5 organ 5 in 5 the 5 human 5 female 5 is 5 the 5 - 5 Correct 5 answer 5 ✔ovary The 5 passageway 5 that 5 channels 5 ova 5 from 5 the 5 ovary 5 into 5 the 5 uterus 5 is 5 known 5 as 5 - 5 Correct 5 answer 5 ✔an 5 oviduct Ovulation 5 involves 5 the 5 - 5 Correct 5 answer 5 ✔release 5 of 5 a 5 secondary 5 oocyte Menstrual 5 flow 5 results 5 in 5 the 5 discharge 5 of 5 - 5 Correct 5 answer 5 ✔the 5 endometrial 5 lining Ovulation 5 is 5 triggered 5 by 5 a 5 surge 5 in 5 the 5 level 5 of 5 ____ 5 in 5 the 5 circulatory 5 system 5 - 5 Correct 5 answer 5 ✔luteinizing 5 hormone
b. 5 nervous 5 system 5 from 5 ectoderm c. 5 liver 5 from 5 endoderm d. 5 circulatory 5 system 5 from 5 mesoderm 5 - 5 Correct 5 answer 5 ✔skin 5 from 5 mesoderm In 5 humans, 5 which 5 of 5 the 5 following 5 events 5 would 5 occur 5 over 5 the 5 longest 5 period 5 of 5 time? a. 5 sperm 5 production b. 5 cleavage c. 5 fertilization d. 5 gastrulation e. 5 growth 5 and 5 tissue 5 specializaton 5 - 5 Correct 5 answer 5 ✔growth 5 and 5 tissue 5 specialization Fertilization 5 in 5 mammals 5 occurs 5 in 5 the 5 - 5 Correct 5 answer 5 ✔oviduct The 5 average 5 number 5 of 5 sperm 5 that 5 are 5 deposited 5 in 5 the 5 vagina 5 during 5 an 5 ejaculation 5 is 5 between 5 - 5 Correct 5 answer 5 ✔ 50 5 and 5 350 5 million The 5 process 5 wherein 5 the 5 sperm 5 become 5 ready 5 to 5 fertilize 5 the 5 egg 5 is 5 known 5 as 5 - 5 Correct 5 answer 5 ✔capacitation Differentiation 5 - 5 Correct 5 answer 5 ✔less 5 specialized 5 cell 5 develops 5 or 5 matures 5 to 5 become 5 more 5 distinct
Cleavage 5 - 5 Correct 5 answer 5 ✔splitting 5 of 5 a 5 cell Capacitation 5 - 5 Correct 5 answer 5 ✔maturation 5 of 5 sperm; 5 require 5 to 5 fertilize 5 an 5 oocyte Implantation 5 of 5 a 5 zygote 5 occurs 5 in 5 the 5 - 5 Correct 5 answer 5 ✔uterus During 5 human 5 development, 5 which 5 of 5 the 5 following 5 gives 5 rise 5 to 5 the 5 embryo? a. 5 trophoblast b. 5 amnion c. 5 inner 5 cell 5 mass d. 5 chorion e. 5 placenta 5 - 5 Correct 5 answer 5 ✔inner 5 cell 5 mass In 5 an 5 ectopic 5 pregnancy, 5 implantation 5 occurs 5 - 5 Correct 5 answer 5 ✔Any 5 of 5 these: 5
- 5 oviduct
- 5 outside 5 of 5 the 5 uterus
- 5 on 5 the 5 abdominal 5 wall
- 5 on 5 the 5 surface 5 of 5 the 5 ovary What 5 hormone 5 is 5 produced 5 by 5 the 5 placenta 5 after 5 implantation? 5 - 5 Correct 5 answer 5 ✔human 5 chorionic 5 gonadotropin
a. 5 retain 5 the 5 ability 5 to 5 divide 5 and 5 give 5 rise 5 to 5 special 5 types 5 of 5 cells b. 5 are 5 phagocytic c. 5 are 5 the 5 most 5 common 5 blood 5 cells d. 5 transport 5 oxygen 5 and 5 carbon 5 dioxide e. 5 are 5 more 5 numerous 5 in 5 women 5 than 5 in 5 men 5 - 5 Correct 5 answer 5 ✔retain 5 the 5 ability 5 to 5 divide 5 and 5 give 5 rise 5 to 5 special 5 types 5 of 5 cells If 5 you 5 are 5 blood 5 type 5 A 5 - 5 Correct 5 answer 5 ✔you 5 carry 5 antibodies 5 for 5 type 5 B 5 blood Hemolytic 5 disease 5 of 5 newborns 5 (Rh 5 disease) 5 - 5 Correct 5 answer 5 ✔the 5 mother 5 must 5 be 5 negative 5 and 5 her 5 first 5 and 5 second 5 children 5 positive These 5 contain 5 enzymes 5 used 5 in 5 the 5 breakdown 5 of 5 glucose 5 and 5 generation 5 of 5 ATP 5 - 5 Correct 5 answer 5 ✔mitochondria These 5 are 5 responsible 5 for 5 cell 5 shape, 5 internal 5 organization, 5 and 5 movements 5 - 5 Correct 5 answer 5 ✔cytoskeleton The 5 special 5 functions 5 performed 5 by 5 membranes 5 are 5 the 5 result 5 of 5 - 5 Correct 5 answer 5 ✔proteins 5 in 5 the 5 lipid 5 bilayer Unsaturated 5 tails 5 of 5 lipids 5 - 5 Correct 5 answer 5 ✔They 5 have 5 kinks 5 in 5 them 5 and 5 lessen 5 the 5 interaction 5 between 5 adjacent 5 fat
These 5 contain 5 enzymes 5 and 5 are 5 commonly 5 referred 5 to 5 as 5 garbage 5 disposals 5 of 5 the 5 cell 5 - 5 Correct 5 answer 5 ✔lysosomes Scientists 5 believe 5 that 5 mitochondria 5 may 5 have 5 evolved 5 from 5 bacteria 5 because 5 - 5 Correct 5 answer 5 ✔both 5 have 5 similar 5 protein 5 synthesis 5 machineries During 5 the 5 translocation 5 step 5 of 5 protein 5 synthesis, 5 which 5 of 5 the 5 following 5 occurs 5 - 5 Correct 5 answer 5 ✔tRna 5 from 5 the 5 A 5 site 5 moves 5 to 5 the 5 P 5 site The 5 amount 5 of 5 energy 5 released 5 from 5 a 5 glucose 5 molecule 5 is 5 dependent 5 on 5 what 5 happens 5 to 5 the 5 - 5 Correct 5 answer 5 ✔hydrogen 5 atoms How 5 many 5 ATP 5 molecules 5 are 5 produced 5 per 5 molecule 5 of 5 glucose 5 during 5 anaerobic 5 fermentation 5 - 5 Correct 5 answer 5 ✔ 2 The 5 breakdown 5 of 5 pyruvate 5 in 5 the 5 Krebs 5 cycle 5 results 5 in 5 the 5 release 5 of 5 - 5 Correct 5 answer 5 ✔energy, 5 CO2, 5 and 5 hydrogen Aerobics 5 use 5 ___ 5 as 5 the 5 final 5 electron 5 acceptor 5 in 5 electron 5 transport 5 phosphorylation 5 - 5 Correct 5 answer 5 ✔oxygen The 5 total 5 yield 5 of 5 ATP 5 from 5 the 5 oxidation 5 of 5 one 5 molecule 5 of 5 glucose 5 is 5 ___ 5 Assume 5 1 5 NADH 5 = 5 2.5 5 ATP 5 and 5 1 5 FADH2 5 = 5 1.5 5 ATP 5 - 5 Correct 5 answer 5 ✔ 32
c. 5 chlorophyll 5 absorbs 5 light 5 energy 5 which 5 excites 5 electrons d. 5 an 5 electron 5 transport 5 chain 5 is 5 used 5 to 5 create 5 a 5 proton 5 gradient 5 - 5 Correct 5 answer 5 ✔the 5 proton 5 gradient 5 is 5 used 5 to 5 reduce 5 NADP The 5 most 5 abundant 5 protein 5 in 5 the 5 world 5 is 5 - 5 Correct 5 answer 5 ✔Rubisco Which 5 of 5 the 5 following 5 statements 5 about 5 the 5 Calvin 5 cycle 5 is 5 FALSE? a. 5 it 5 requires 5 darkness b. 5 RuBP 5 is 5 constantly 5 regenerated c. 5 Glyceraldehyde 5 phosphate 5 is 5 an 5 end d. 5 It 5 takes 5 6 5 turns 5 of 5 the 5 cycle 5 to 5 generate 5 one 5 molecule 5 of 5 glucose 5 - 5 Correct 5 answer 5 ✔it 5 requires 5 darkness What 5 molecules/cells 5 are 5 required 5 for 5 the 5 recognition 5 of 5 foreign 5 antigens 5 - 5 Correct 5 answer 5 ✔T 5 cell 5 receptor, 5 antigen 5 presenting 5 cell, 5 and 5 MHCs During 5 RNA 5 processing, 5 preRNA 5 typically 5 undergoes 5 substantial 5 - 5 Correct 5 answer 5 ✔intron 5 excision, 5 exon 5 splicing If 5 purple 5 is 5 dominant 5 in 5 pea 5 plants, 5 a 5 cross 5 between 5 P 5 generation 5 purple 5 and 5 white 5 plants 5 will 5 result 5 in 5 - 5 Correct 5 answer 5 ✔all 5 purple 5 flowers 5 in 5 the 5 F1 5 generation
If 5 your 5 mother 5 and 5 father 5 are 5 both 5 heterozygous 5 for 5 Huntington's 5 disease, 5 which 5 is 5 caused 5 by 5 a 5 dominant 5 allele, 5 the 5 odds 5 of 5 you 5 having 5 the 5 disorder 5 are 5 - 5 Correct 5 answer 5 ✔3/ If 5 your 5 mother 5 and 5 father 5 both 5 have 5 cystic 5 fibrosis, 5 which 5 is 5 caused 5 by 5 a 5 recessive 5 allele, 5 the 5 odds 5 of 5 you 5 having 5 cystic 5 fibrosis 5 are 5 - 5 Correct 5 answer 5 ✔ 1 Which 5 of 5 the 5 following 5 acts 5 to 5 remove 5 over-twisting 5 and 5 strain 5 ahead 5 of 5 the 5 replication 5 fork 5 during 5 DNA 5 replication 5 - 5 Correct 5 answer 5 ✔topoisomerase Adding 5 nucleotides 5 onto 5 a 5 growing 5 DNA 5 strand 5 during 5 DNA 5 replication 5 in 5 cells 5 occurs 5 in 5 - 5 Correct 5 answer 5 ✔the 5 5' 5 -> 5 3' 5 direction 5 only Reiji 5 Okazaki 5 discovered 5 that 5 what 5 are 5 now 5 called 5 "Okazaki 5 fragments 5 are 5 produced 5 during 5 RNA 5 replication. 5 These 5 are 5 - 5 Correct 5 answer 5 ✔short 5 lengths 5 of 5 new 5 DNA 5 on 5 the 5 lagging 5 strand During 5 normal 5 DNA 5 replication, 5 part 5 of 5 the 5 DNA 5 at 5 the 5 ends 5 of 5 linear 5 chromosomes 5 is 5 not 5 copied 5 into 5 the 5 new 5 DNA 5 strands 5 because 5 - 5 Correct 5 answer 5 ✔RNA 5 primers 5 at 5 the 5 beginning 5 of 5 a 5 new 5 strand 5 cannot 5 be 5 replaced 5 with 5 DNA Misfolding 5 of 5 proteins 5 is 5 a 5 strong 5 indicator 5 for 5 the 5 cause 5 of 5 certain 5 diseases. 5 However, 5 ___ 5 is 5 NOT 5 caused 5 by 5 protein 5 misfolding 5 - 5 Correct 5 answer 5 ✔Phenylketonuria
