FTCE Biology Practice Exam Questions with 100% Correct Answers

FTCE Biology Practice Exam Questions with 100% Correct Answers During which phase of mitosis do tetrads form? a) prophase I b) prophase II c) metaphase I d) metaphase II - Correct Answer ️️ -a) prophase I The result of meiosis and cytokinesis is: a) two haploid (1n) cells b) four haploid (1n) cells c) two diploid (2n) cells d) four diploid (2n) cells - Correct Answer ️️ -b) four haploid (1n) cells What is the complementary sequence to this segment of DNA: 5' CGTTAGGAATAC 3'? a) 3' GTATTCCTAACG 5' b) 3' GUAUUCCUAACG 5' c) 3' GCAAUCCUUAUG 5' d) 3' GCAATCCTTATG 5' - Correct Answer ️️ -d) 3' GCAATCCTTATG 5' The first step in gene expression is: a) transcription of DNA into a molecule of mRNA b) translation of DNA into a molecule of mRNA c) transcription of mRNA into protein d) translation of mRNA into protein - Correct Answer ️️ -a) transcription of DNA into a molecule of mRNA At the G2 checkpoint, damaged DNA that cannot be fixed will initiate a cellular, self- destruct process called: a) gene expression b) feedback inhibition c) apoptosis d) negative feedback - Correct Answer ️️ -c) apoptosis The activity of an enzyme could be regulated by which of the following? a) feedback inhibition b) positive cooperativity c) negative cooperativity d) all of the above - Correct Answer ️️ -d) all of the above A stem cell is a kind of: a) unspecialized cell b) specialized cell c) skin cell d) liver cell - Correct Answer ️️ -a) unspecialized cell Stem cells can be described by their potency. Which of the following series describes stem cells from most potent to least potent? a) totipotent --> pluripotent --> multipotent --> oligopotent --> unipotent b) totipotent --> multipotent --> pluripotent --> oligopotent --> unipotent c) unipotent --> oligopotent --> multipotent --> pluripotent --> totipotent --> d) multipotent --> pluripotent --> totipotent --> unipotent --> oligopotent - Correct Answer ️️ -a) totipotent --> pluripotent --> multipotent --> oligopotent --> unipotent A mutation that occurs in the DNA of a nonreproductive cell is called: a) germ-line mutation b) somatic mutation c) point mutation d) frame-shift mutation - Correct Answer ️️ -b) somatic mutation Which of the following is NOT an example of a characteristic of a disturbance that impacts the rate of recovery? a) climate b) frequency c) scale d) space - Correct Answer ️️ -a) climate Which of the following describes a fragmented habitat that is likely to recover quickly? a) a large, geographically isolated habitat b) a small habitat with lots of edge habitat surrounding it c) a small habitat located a short geographic distance from a larger habitat d) a large habitat that has lost major resources - Correct Answer ️️ -c) a small habitat located a short geographic distance from a larger habitat Which of the following is NOT a function of the respiratory system in humans? a) to exchange gas b) to produce sound and speech c) to distribute oxygen to the rest of the body d) to remove particles from the air - Correct Answer ️️ -c) to distribute oxygen to the rest of the body Which of the following statements is NOT true about the digestive tract? a) The digestive tract begins at the mouth and ends at the anus. b) All digestive tracts are accompanied by accessory organs. c) Food is moved through the digestive tract through peristalsis. d) Animals with a complete digestive system have a digestive tract. - Correct A