BIO 123 Final Exam Questions With Answers Latest Update Graded A+

BIO 123 Final Exam Questions With Answers Latest Update Graded A+. What is likely to happen if you follow a low-fat, high-carbohydrate diet? Select one: a. you experience no change in body weight because your body will not receive enough lipids to synthesize fat b. you lose weight because you must consume lipids in order to synthesize fat ! c. you gain weight because intermediates from cellular respiration can be converted to fat d. you gain weight because you will retain water e. you lose weight because you will become dehydrated The correct answer is: you gain weight because intermediates from cellular respiration can be converted to fat Which are cancer-causing genes in mice and humans? Select one: a. totipotent genes b. proto-oncogenes c. oncogenes Page 2 of 43 Question 6 Correct Mark 1.00 out of 1.00 Question 7 Correct Mark 1.00 out of 1.00 Question 8 Correct Mark 1.00 out of 1.00 c. oncogenes " d. inducible genes e. tumor suppressor genes The correct answer is: oncogenes What type of energy is stored? Select one: a. kinetic energy b. potential energy " c. transformation energy d. mechanical energy e. heat energy The correct answer is: potential energy What disease occurs due to the inability of chloride ions to cross through the plasma membrane? Select one: a. Color blindness b. Cystic fibrosis " c. Type 1 diabetes d. Huntington's disease e. Type 2 diabetes The correct answer is: Cystic fibrosis Page 3 of 43 Question 9 Correct Mark 1.00 out of 1.00 What changes in energy occur as a rock rolls down a hill? Select one: a. Potential energy increases as heat energy increases b. Kinetic energy decreases as potential energy increases c. Kinetic energy decreases as heat energy increases d. Potential energy decreases as kinetic energy increases " e. Potential energy and kinetic energy do not change The correct answer is: Potential energy decreases as kinetic energy increases What does "a" represent in the figure of the dihybrid cross? Page 4 of 43 Question 10 Correct Mark 1.00 out of 1.00 Question 11 Correct Mark 1.00 out of 1.00 What does "a" represent in the figure of the dihybrid cross? Select one: a. TTgg b. TTGG " c. ttgG d. ttgg e. ttGg The correct answer is: TTGG Transgenic _(blank) _ are used to help clean up beaches after a massive oil spill) Select one: a. bacteria " b. plants c. animals d. humans e. viruses The correct answer is: bacteria If a genotype of an organism is WwRrAa, then what does wRA represent? Select one: a. a possible phenotype of the offspring b. a possible zygote c. the P-generation d. the genotype of the offspring e. a possible gamete of the parent " The correct answer is: a possible gamete of the parent Page 5 of 43 Question 12 Correct Mark 1.00 out of 1.00 Question 13 Correct Mark 1.00 out of 1.00 Question 14 Correct Mark 1.00 out of 1.00 What type of plant would thrive in an environment where the temperature and rainfall are moderate? Select one: a. C4 b. CIM c. C3 " d. Mixed CAM/C3 e. CAM The correct answer is: C3 All of the following are benefits of cloning animals except _(blank) _. Select one: a. increased knowledge of embryonic development b. creation of hybrid species " c. increased knowledge of genetic information d. saving endangered species e. return of extinct species of organisms The correct answer is: creation of hybrid species What is the result after mitosis if the total number of chromosomes in the parent cell is six? Select one: a. three chromosomes in each daughter cell b. three chromosomes in one daughter cell and six chromosomes in the other cell c. six chromosomes in each daughter cell Page 6 of 43 Question 15 Correct Mark 1.00 out of 1.00 Question 16 Correct Mark 1.00 out of 1.00 Question 17 Not answered Marked out of 1.00 c. six chromosomes in each daughter cell " d. two chromosomes in each daughter cell, one from each parent e. 12 chromosomes in each daughter cell The correct answer is: six chromosomes in each daughter cell An organism with two different alleles for a particular trait is considered ________. Select one: a. gene locus b. genotype c. heterozygous " d. homozygous e. phenotype The correct answer is: heterozygous What is the correct term for the building blocks of proteins? Select one: a. monosaccharides b. amino acids " c. phospholipids d. peptides e. nucleotides The correct answer is: amino acids Page 7 of 43 Question 18 Correct Mark 1.00 out of 1.00 How does the ratio of surface area to volume change in a cell as its size increases? Select one: a. the volume stays the same but the surface area increases b. the volume and surface area increase in equal amounts c. the surface area stays the same but the volume increases d. the volume increases more than the surface area e. the surface area increases more than the volume The correct answer is: the volume increases more than the surface area What does "E" represent in the figure of DNA replication? Select one: a. the parental DNA region " b. the new strand c. the replication region d. the template strand e. the completed DNA region Page 8 of 43 Question 19 Not answered Marked out of 1.00 Question 20 Correct Mark 1.00 out of 1.00 Question 21 Incorrect Mark 0.00 out of 1.00 The correct answer is: the parental DNA region What happens inside a normal cell when an inhibitory growth factor binds to its receptor of the cell membrane? Select one: a. A transcription factor turns on mechanisms that causes a mutation in tumor suppressor gene. b. A transcription factor turns on a proto-oncogene, which inactivates the cell cycle. c. A transcription factor turns on a tumor suppressor gene, which activates the cell cycle. d. A transcription factor turns on a tumor suppressor gene, which inactivates the cell cycle. e. A transcription factor turns on a proto-oncogene, which activates the cell cycle. The correct answer is: A transcription factor turns on a tumor suppressor gene, which inactivates the cell cycle. The second meiotic division is comparable to a mitotic division except that the cells produced are _(blank) _. Select one: a. diploid b. somatic c. haploid " d. polyploidy e. autosomal The correct answer is: haploid Which genes inhibit the cell cycle and promote apoptosis? Select one: a. oncogenes ! Page 9 of 43 Question 22 Correct Mark 1.00 out of 1.00 Question 23 Correct Mark 1.00 out of 1.00 Question 24 a. oncogenes ! b. inducible genes c. totipotent genes d. proto-oncogenes e. tumor suppressor genes The correct answer is: tumor suppressor genes Which of the following cells would have a nucleus, a cell wall, and a large central vacuole? Select one: a. archaean cell b. animal cell c. bacterial cell d. plant cell " e. prokaryotic cell The correct answer is: plant cell You have two atoms: one with 9 protons, 8 neutrons and 7 electrons, and another with 8 protons, 9 neutrons and 10 electrons. Which of the following statements is true? Select one: a. Both atoms have the same mass number " b. Both atoms have -2 electrical charge c. Both atoms are isotopes of the same element d. Both atoms are chemically non-reactive and would not interact with other atoms e. Both atoms have fulfilled the octet rule The correct answer is: Both atoms have the same mass number Page 10 of 43 Question 24 Correct Mark 1.00 out of 1.00 Question 25 Correct Mark 1.00 out of 1.00 Members of the same species located within a particular area are called _ (blank) _. Select one: a. a community b. an ecosystem c. a population " d. an organism e. a biosphere The correct answer is: a population Using the animal cell diagram, identify the cell structure marked "c." Select one: a. smooth endoplasmic reticulum b. rough endoplasmic reticulum c. Golgi apparatus " d. nucleus e. mitochondria Page 11 of 43 Question 26 Correct Mark 1.00 out of 1.00 Question 27 Correct Mark 1.00 out of 1.00 Question 28 Correct Mark 1.00 out of 1.00 The correct answer is: Golgi apparatus What term describes the tendency of water molecules to adhere to the wall of a blood vessel? Select one: a. hydrophobicity b. buffering c. cohesion d. adhesion " e. electronegativity The correct answer is: adhesion What polysaccharide is used in plants for support? Select one: a. chitin b. glycogen c. collagen d. cellulose " e. peptidoglycans The correct answer is: cellulose What type of genetic disorder has occurred if a baby is missing part of chromosome five? Page 12 of 43 Question 29 Correct Mark 1.00 out of 1.00 Question 30 Incorrect Mark 0.00 out of 1.00 Select one: a. Down syndrome b. Turner syndrome c. Edward syndrome d. Klinefelter syndrome e. Cri du Chat syndrome " The correct answer is: Cri du Chat syndrome What does "A" represent in the figure of chromatin structure? Select one: a. a nucleosome b. compacted chromosome " c. histones d. DNA helix e. coiled nucleosomes The correct answer is: compacted chromosome In humans, brown eyes (B) are dominant over blue eyes (b). If a heterozygous brown-eyed woman mates with a homozygous blue-eyed man, what would be the chances of producing a blue-eyed child? Select one: a. 100% Page 13 of 43 Question 31 Correct Mark 1.00 out of 1.00 Question 32 Correct Mark 1.00 out of 1.00 Question 33 a. 100% b. 50% c. 0% ! d. 25% e. 75% The correct answer is: 50% How does burning trees affect the atmospheric levels of carbon dioxide?