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Bio 5 L112 5 Exam 5 2 5 with 5 precise 5
detailed 5 solutions
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 (true 5 breeding 5 - 5 always 5 produce 5 the 5 same 5 trait) 5 and 5 white 5 plants 5 (true 5 breeding) 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 The 5 advantage 5 of 5 sexual 5 reproduction 5 over 5 asexual 5 reproduction 5 is 5 - 5 Correct 5 answer 5 ✔there 5 is 5 a 5 mixing 5 of 5 genetic 5 information 5 into 5 a 5 new 5 combination 5 in 5 the 5 next 5 generation Senescing 5 cells 5 are 5 kept 5 from 5 entering 5 _____ 5 because 5 they 5 cannot 5 ______. 5 - 5 Correct 5 answer 5 ✔S 5 phase; 5 initiate 5 DNA 5 replication The 5 primary 5 difference 5 between 5 mitosis 5 and 5 meiosis 5 in 5 animals 5 is 5 - 5 Correct 5 answer 5 ✔the 5 generation 5 of 5 haploid 5 cells 5 from 5 diploid 5 cells; the 5 number 5 of 5 daughter 5 cells 5 that 5 result 5 (2 5 or 5 4); the 5 number 5 of 5 times 5 chromosomes 5 align 5 at 5 the 5 metaphase 5 plate 5 &; the 5 purpose 5 of 5 generating 5 reproductive 5 cells 5 as 5 opposed 5 to 5 generating 5 somatic 5 cells Embryonic 5 development 5 begins 5 with 5 a 5 single 5 egg 5 fertilized 5 by 5 a 5 single 5 sperm 5 forming 5 a 5 zygote. 5 The 5 zygote 5 then 5 undergoes 5 mitosis; 5 how 5 many 5 cells
5 would 5 be 5 present 5 at 5 the 5 conclusion 5 of 5 4 5 mitotic 5 divisions? 5 - 5 Correct 5 answer 5 ✔ 16 Genetic 5 recombination 5 in 5 somatic 5 cells 5 is 5 used 5 to 5 - 5 Correct 5 answer 5 ✔repair 5 damaged 5 or 5 broken 5 chromosomes During 5 a 5 certain 5 stage 5 of 5 the 5 cell 5 cycle, 5 chromatin 5 is 5 organized 5 like 5 "beads 5 on 5 a 5 string." 5 At 5 this 5 level 5 of 5 DNA 5 compaction 5 the 5 "beads" 5 are 5 ____ 5 and 5 the 5 "string" 5 is 5 - 5 Correct 5 answer 5 ✔nucleosomes; 5 DNA A 5 woman 5 with 5 normal 5 blood 5 clotting 5 mates 5 with 5 a 5 man 5 who 5 has 5 hemophilia. 5 Their 5 first 5 child 5 is 5 boy 5 who 5 has 5 hemophilia. 5 Tests 5 show 5 that 5 the 5 father 5 and 5 son 5 both 5 have 5 the 5 same 5 form 5 of 5 hemophilia, 5 that 5 it 5 is 5 X- lined, 5 and 5 that 5 the 5 boy 5 has 5 normal 5 genetic 5 inheritance. 5 You 5 can 5 predict 5 that 5 if 5 the 5 couple 5 produces 5 more 5 children 5 together, 5 then 5 the 5 odds 5 are 5 that 5 - 5 Correct 5 answer 5 ✔half 5 of 5 the 5 boys 5 and 5 half 5 of 5 the 5 girls 5 will 5 have 5 hemophilia The 5 primary 5 purpose 5 of 5 the 5 light-dependent 5 reactions 5 is 5 to 5 - 5 Correct 5 answer 5 ✔provide 5 electrons 5 and 5 energy 5 for 5 the 5 calvin 5 cycle 5 (light 5 independent) Which 5 of 5 these 5 is 5 NOT 5 a 5 C4 5 plant? a. 5 sugar 5 cane b. 5 peas c. 5 pineapple d. 5 maize e. 5 corn 5 - 5 Correct 5 answer 5 ✔peas
If 5 you 5 want 5 to 5 buy 5 a 5 colored 5 light 5 bulb 5 for 5 your 5 indoor 5 plants, 5 the 5 LEAST 5 effective 5 color 5 would 5 be 5 - 5 Correct 5 answer 5 ✔green 5 (because 5 plants 5 reflect 5 green) {most 5 effective 5 is 5 red 5 or 5 blue} Progeria 5 is 5 a 5 genetic 5 condition 5 in 5 some 5 humans 5 that 5 causes 5 - 5 Correct 5 answer 5 ✔premature 5 aging 5 which 5 typically 5 leads 5 to 5 death 5 in 5 early 5 teen 5 years A 5 somatic 5 cell 5 divides 5 to 5 form 5 two 5 genetically 5 identical 5 daughter 5 cells 5 during 5 mitosis. 5 Prior 5 to 5 mitosis 5 occurring, 5 which 5 of 5 the 5 following 5 must 5 occur? 5 - 5 Correct 5 answer 5 ✔the 5 cell 5 must 5 replicate 5 its 5 DNA You 5 are 5 a 5 genetic 5 counselor 5 and 5 a 5 couple 5 comes 5 with 5 concerns 5 that 5 if 5 they 5 have 5 a 5 child 5 it 5 could 5 have 5 cystic 5 fibrosis. 5 Genetic 5 tests 5 reveal 5 that 5 the 5 woman 5 is 5 a 5 carrier 5 for 5 cystic 5 fibrosis 5 but 5 the 5 man 5 is 5 not. 5 Which 5 of 5 the 5 following 5 would 5 be 5 a 5 correct 5 thing 5 to 5 tell 5 them? 5 - 5 Correct 5 answer 5 ✔No 5 child 5 that 5 they 5 produce 5 should 5 wind 5 up 5 with 5 cystic 5 fibrosis, 5 but 5 each 5 of 5 their 5 offspring 5 will 5 have 5 a 5 50% 5 chance 5 of 5 being 5 a 5 carrier Meiosis 5 results 5 in 5 the 5 generation 5 of 5 - 5 Correct 5 answer 5 ✔four 5 haploid 5 cells Which 5 products 5 of 5 the 5 light 5 reactions 5 are 5 used 5 in 5 the 5 Calvin 5 cycle? 5 - 5 Correct 5 answer 5 ✔ATP 5 and 5 NADH Most 5 hospitals 5 in 5 the 5 US 5 routinely 5 test 5 all 5 newborns 5 for 5 this 5 autosomal 5 recessive 5 disorder 5 where 5 an 5 enzyme 5 in 5 amino 5 acid 5 metabolism 5 is 5 not 5 produced, 5 leading 5 to 5 a 5 buildup 5 of 5 compounds 5 that 5 damage 5 brain 5 tissue 5 and 5
can 5 lead 5 to 5 mental 5 retardation 5 unless 5 a 5 restricted 5 diet 5 is 5 followed. 5 - 5 Correct 5 answer 5 ✔phenylketonuria In 5 humans 5 an 5 extra 5 copy 5 of 5 chromosome 5 21 5 typically 5 leads 5 to 5 moderate 5 to 5 severe 5 mental 5 retardation 5 and 5 sterility, 5 as 5 well 5 as 5 a 5 greater 5 likelihood 5 of 5 heart 5 defects 5 and 5 other 5 problems. 5 The 5 disorder 5 is 5 known 5 as 5 _____. 5 - 5 Correct 5 answer 5 ✔Down 5 syndrome Sex-linked 5 genes 5 are 5 genes 5 that 5 are 5 - 5 Correct 5 answer 5 ✔located 5 on 5 sex 5 chromosomes Where 5 does 5 the 5 calvin 5 cycle 5 occur? 5 - 5 Correct 5 answer 5 ✔stroma Your 5 father 5 is 5 heterozygous 5 for 5 a 5 recessive 5 disorder. 5 You 5 know 5 your 5 mom 5 has 5 two 5 "good" 5 alleles. 5 What 5 is 5 the 5 probability 5 that 5 you 5 will 5 have 5 the 5 disorder? 5 - 5 Correct 5 answer 5 ✔0% Which 5 of 5 the 5 following 5 absorb(s) 5 most 5 of 5 the 5 photons 5 of 5 light 5 in 5 photosynthesis? 5 - 5 Correct 5 answer 5 ✔chlorophyll 5 a A 5 testcross 5 is 5 used 5 to 5 - 5 Correct 5 answer 5 ✔determine 5 if 5 a 5 parent 5 with 5 a 5 dominant 5 trait 5 is 5 heterozygous 5 or 5 homozygous What 5 does 5 photo 5 D 5 depict? 5 (Image 5 of 5 cell 5 separating) 5 - 5 Correct 5 answer 5 ✔telophase
Which 5 sequence 5 of 5 the 5 cell 5 cycle 5 is 5 correct? 5 - 5 Correct 5 answer 5 ✔interphase, 5 prophase, 5 prometaphase, 5 metaphase, 5 anaphase, 5 telophase The 5 oxygen 5 that 5 is 5 released 5 during 5 photosynthesis 5 came 5 from 5 which 5 molecules? 5 - 5 Correct 5 answer 5 ✔water Replication 5 of 5 DNA 5 occurs 5 during 5 ______ 5 - 5 Correct 5 answer 5 ✔S 5 Phase An 5 autosome 5 is 5 - 5 Correct 5 answer 5 ✔a 5 chromosome 5 that 5 is 5 part 5 of 5 a 5 pair 5 that 5 is 5 the 5 same 5 in 5 both 5 males 5 and 5 females Your 5 mother 5 and 5 father 5 both 5 have 5 Huntington's 5 disease. 5 Assuming 5 that 5 they 5 are 5 heterozygous, 5 what 5 are 5 the 5 odds 5 of 5 you 5 having 5 the 5 disorder? 5 - 5 Correct 5 answer 5 ✔3/ In 5 the 5 following 5 list, 5 pick 5 the 5 one 5 that 5 is 5 not 5 a 5 source 5 of 5 genetic 5 variability 5 from 5 meiosis 5 and 5 fertilization/ 5 - 5 Correct 5 answer 5 ✔recombination 5 between 5 sister 5 chromatids You 5 cross 5 a 5 pink 5 snapdragon 5 (C^R 5 C^W) 5 with 5 a 5 white 5 snapdragon 5 (C^W 5 C^W). 5 What 5 percentage 5 of 5 the 5 progeny 5 will 5 be 5 red? 5 - 5 Correct 5 answer 5 ✔0% In 5 the 5 human 5 ABO 5 blood 5 typing 5 system, 5 an 5 individual 5 with 5 A 5 and 5 B 5 alleles 5 with 5 express 5 both 5 A 5 and 5 B 5 phenotypes 5 on 5 their 5 red 5 blood 5 cells. 5 This 5 is 5 an 5 example 5 of 5 ________ 5 - 5 Correct 5 answer 5 ✔codominance
The 5 microtubules 5 making 5 up 5 the 5 mitotic 5 spindle 5 attach 5 to 5 the 5 specialized 5 structure 5 called 5 ________ 5 that 5 are 5 found 5 in 5 the 5 centromere 5 region 5 of 5 the 5 chromosome 5 - 5 Correct 5 answer 5 ✔kinetochore The 5 molecule 5 of 5 chlorophyll 5 a 5 in 5 a 5 photosystem 5 II's 5 reaction 5 center 5 is 5 known 5 as 5 P680 5 because 5 - 5 Correct 5 answer 5 ✔it 5 absorbs 5 photons 5 with 5 a 5 wavelength 5 of 5 680 5 nm During 5 which 5 of 5 the 5 following 5 time 5 periods 5 does 5 a 5 CAM 5 plant 5 take 5 in 5 atmospheric 5 CO2? 5 - 5 Correct 5 answer 5 ✔at 5 night In 5 humans, 5 sex 5 determination 5 generally 5 depends 5 on 5 - 5 Correct 5 answer 5 ✔whether 5 or 5 not 5 the 5 Y 5 chromosome 5 is 5 present T/F 5 CAM 5 plants 5 include 5 many 5 succulents 5 such 5 as 5 cacti 5 - 5 Correct 5 answer 5 ✔TRUE 5 (good 5 for 5 cacti 5 because 5 they 5 hold 5 lot 5 of 5 water 5 but 5 grow 5 very 5 slowly) T/F 5 Both 5 plants 5 and 5 animals 5 make 5 ATP 5 via 5 aerobic 5 cellular 5 respiration 5 in 5 mitochondira 5 - 5 Correct 5 answer 5 ✔TRUE T/F 5 It 5 takes 5 one 5 turn 5 of 5 the 5 Calvin 5 Cycle 5 to 5 generate 5 one 5 molecule 5 of 5 glucose 5 - 5 Correct 5 answer 5 ✔FALSE 5 (For 5 every 5 three 5 molecules 5 of 5 CO2 5 that 5 enters 5 the 5 Calvin 5 cycle, 5 one 5 molecule 5 of 5 the 5 three 5 carbon 5 glyceraldehyde 5 3- phosphate 5 (G3P) 5 is 5 produced. 5 Two 5 molecules 5 of 5 G3P 5 are 5 needed 5 to 5 produce 5 one 5 molecule 5 of 5 glucose. 5 Therefore, 5 the 5 Calvin 5 cycle 5 needs 5 to 5 make 5 a 5 total 5 of 5 6 5 turns 5 to 5 produce 5 two 5 molecules 5 of 5 G3P.)
Accumulation 5 of 5 phenylalanine 5 in 5 blood, 5 lack 5 normal 5 pigment, 5 mental 5 retardation 5 w/o 5 treatment, 5 deficiency 5 in 5 enzyme 5 needed 5 to 5 convert 5 an 5 amino 5 acid Sickle 5 Cell 5 Anemia 5 - 5 Correct 5 answer 5 ✔lethal 5 recessive sickle 5 shaped 5 red 5 blood 5 cells, 5 damage 5 to 5 tissue Cystic 5 Fibrosis 5 - 5 Correct 5 answer 5 ✔lethal 5 recessive Excess 5 mucus, 5 susceptible 5 to 5 infections, 5 death 5 in 5 early 5 childhood 5 w/o 5 treatment. 5 Northern 5 european 5 descent Huntington's 5 Disease 5 - 5 Correct 5 answer 5 ✔lethal 5 dominant degenerative 5 to 5 nervous 5 system, 5 unknown 5 until 5 mid 5 age Neurofibromatosis 5 - 5 Correct 5 answer 5 ✔lethal 5 dominant tumors 5 grow 5 on 5 nervous 5 system Brachy/Polydactyly 5 - 5 Correct 5 answer 5 ✔lethal 5 dominant extra 5 toes 5 or 5 fingers Familial 5 Hypercholesterolemia 5 - 5 Correct 5 answer 5 ✔lethal 5 dominant heart 5 disease, 5 high 5 cholesterol 5 in 5 blood Marfan's 5 Syndrome 5 - 5 Correct 5 answer 5 ✔lethal 5 dominant
Disorder 5 of 5 connective 5 tissues, 5 heart, 5 lungs, 5 eyes, 5 skeletal 5 issues, 5 scoliosis, 5 tall 5 and 5 long Achondroplasia 5 - 5 Correct 5 answer 5 ✔lethal 5 dominant dwarfism Progeria 5 - 5 Correct 5 answer 5 ✔lethal 5 dominant accelerated 5 aging, 5 usually 5 death 5 in 5 early 5 teens 3 5 phases 5 of 5 calvin 5 cycle 5 - 5 Correct 5 answer 5 ✔Carbon 5 fixation, 5 reduction, 5 regeneration S 5 phase 5 - 5 Correct 5 answer 5 ✔double 5 all 5 chromosomes Cancer 5 cells 5 do 5 not 5 follow 5 what 5 cell 5 rules 5 - 5 Correct 5 answer 5 ✔Anchorage 5 dependence 5 & 5 density 5 dependence Anchorage 5 dependence 5 - 5 Correct 5 answer 5 ✔cells 5 require 5 a 5 surface 5 for 5 division Density 5 dependence 5 - 5 Correct 5 answer 5 ✔cells 5 only 5 form 5 in 5 a 5 single 5 layer Reductional 5 stage? 5 - 5 Correct 5 answer 5 ✔Meiosis 5 1 5 ~ 5 go 5 from 5 2n 5 to 5 n
How 5 mnay 5 chromosomes 5 (relative 5 to 5 n) 5 would 5 the 5 four 5 resulting 5 gametes 5 have 5 if 5 a 5 nondisjunction 5 event 5 happened 5 during 5 meiosis 5 II? 5 - 5 Correct 5 answer 5 ✔n+1 5 n-1, 5 n, 5 n What 5 are 5 the 5 two 5 cells 5 leaves 5 of 5 C4 5 plants 5 have 5 to 5 carry 5 out 5 photosynthesis? 5 - 5 Correct 5 answer 5 ✔mesophyll 5 & 5 bundle 5 sheaths What 5 is 5 the 5 protein 5 complex 5 that 5 aligns 5 pairs 5 of 5 homologous 5 chromosomes 5 for 5 crossing 5 over? 5 What 5 are 5 the 5 junctions 5 of 5 DNA 5 at 5 a 5 crossing 5 over 5 event 5 called? 5 - 5 Correct 5 answer 5 ✔synaptonemal 5 Complex 5 & 5 Chiasmata wavelength 5 is 5 - 5 Correct 5 answer 5 ✔distance 5 between 5 crests 5 of 5 electromagnetic 5 waves 5 of 5 light photon 5 - 5 Correct 5 answer 5 ✔discrete 5 particle 5 of 5 electromagnetic 5 energy reaction 5 center 5 - 5 Correct 5 answer 5 ✔protein 5 complex 5 that 5 contains 5 special 5 chlorophyll 5 a 5 molecules Carotenoids 5 - 5 Correct 5 answer 5 ✔absorb 5 excess 5 light 5 that 5 could 5 be 5 harmful 5 to 5 the 5 chlorophyll carbon 5 fixation 5 - 5 Correct 5 answer 5 ✔taking 5 CO2 5 & 5 attaching 5 it 5 to 5 RuBP 5 using 5 rubisco 5 == 5 6 5 unstable 5 & 5 short 5 lived 5 3 5 phosphoglycerate 5 molecules
reduction 5 - 5 Correct 5 answer 5 ✔ 3 5 phosphoglycerate 5 is 5 phosphorylated 5 by 5 ATP 5 & 5 reduced 5 by 5 NADPH 5 creating 5 G3P 5 (3 5 carbons) Regeneration 5 - 5 Correct 5 answer 5 ✔ 5 5 molecules 5 of 5 G3P 5 (15 5 carbons) 5 recycled 5 to 5 create 5 more 5 RuBP 5 to 5 accept 5 for 5 CO To 5 make 5 one 5 molecule 5 of 5 G3P 5 ______ 5 - 5 Correct 5 answer 5 ✔9ATP 5 & 5 6NADPH 5 are 5 required aster 5 - 5 Correct 5 answer 5 ✔radial 5 array 5 of 5 short 5 microtubules 5 that 5 attach 5 to 5 plasma 5 membrane kinetochore 5 - 5 Correct 5 answer 5 ✔microtubules 5 attach 5 to 5 this 5 on 5 each 5 sister 5 chromatid 5 and 5 help 5 move 5 to 5 chromosome 5 throughout 5 the 5 cell kinases 5 (Cdks) 5 - 5 Correct 5 answer 5 ✔enzymes 5 that 5 activate 5 or 5 inactivate 5 other 5 protein 5 molecules 5 by 5 phosphorylating 5 them cyclin 5 - 5 Correct 5 answer 5 ✔proteins 5 that 5 active 5 Cdks G1 5 phase 5 - 5 Correct 5 answer 5 ✔cell 5 favors 5 degradation 5 of 5 cyclin 5 and 5 CdK 5 molecule 5 is 5 recycled S 5 phase 5 -- 5 G2 5 phase 5 - 5 Correct 5 answer 5 ✔synthesis 5 of 5 cyclin 5 begins 5 and 5 continues 5 (chromosomes 5 & 5 centrosomes 5 duplicate 5 as 5 well)
