Introduction to Biology

BIO_1300_FINAL_EXAM___Summer_2020.docx.docx-BIOL 1300 – Summer 2020 FINAL

Chapter_4_quiz.docx.docx-Quick Links Chapter 4 OPENSTAX Quiz

Chapter 6 Quiz 1. Cancer paents receiving some forms of chemotherapy oﬅen lose their hair because the treatments cannot target cancer cells exclusively and suppress mitosis and cell division in all rapidly dividing cells in the body. True 2. What is necessary for a cell to pass the G2 checkpoint d. DNA replicaon is complete and accurate 3. Images of the phases on mitosis are shown in proper sequence on the leﬅ. Match the name of the phase to its image. B. D. C. A. E. 4. Telomeres ___________________________. d . prevent cells from dividing unendlessly 5. A cancer that is not localized because it spreads through the lymphac system or through bloods vessels is called a ___________ tumor. d. both (b) and (c) 6. Which of the following lists the structures in order from largest to smallest? b. chromosome -> chroman -> nucleosome -> DNA strand 7. During mitosis, spindle ﬁbers aach to the constricted region of the chromosome called a _________. CENTROMERE 8. As plant cells form the cell plate, a contracle ring around the middle of the parent cell can be observed. False 9. Match the cell cycle phase to the proper descripon G0 – C. G1 – D. G2 – E. S – B. M – A. 10. Smoking and the consumpon of anoxidants are both known to increase the risk of cancer. FALSE 11. A cleavage furrow occurs in ____________ during _________________. d . animal cells; telophase 12. Apoptosis _________________________________. c. is also known as programmed cell death

BIO | 1300 | Introduction to Biology | assessment | Chapter 6 Quiz 1. Cancer paen

Chapters 4,5,6 Quiz Quick Links Chapter 4 OPENSTAX Quiz   User David Stout Course LIFE SCIENCE SUMMR-CMP 2020 VC01 Test Chapter 4 OPENSTAX Quiz Started 6/6/20 11:36 AM Submitted 6/6/20 12:20 PM Due Date 6/9/20 11:00 PM Status Completed Attempt Score 16.67 out of 20 points Time Elapsed 43 minutes Results Displayed All Answers, Incorrectly Answered Questions  Question 1 1 out of 1 points What drives ATP synthesis at the ATP synthase complex? Answer s: a.   A proton gradient b.   The electron transport chain c.   Fermentation d.   NADH and FAHD 2  Question 2 0 out of 2 points A reaction in which the products have more energy than the reactants are said to be [x]________________ E ndothermic  Question 3 0 out of 1 points What is the product of fermentation in human cells? Answer s: a.   lactate b.   ethyl alcohol c.   carbon dioxide d.   NADH  Question 4 1 out of 1 points How many molecules of carbon dioxide are produced as the result of the metabolism of one molecule of glucose? Answer s: a.   2 b.   3 c.   4 d.   6  Question 5 1 out of 1 points In what part of the mitochondria is the electron transport chain located? Answer s: a.   Outer membrane b.   Intermembrane space c.   Cristae d.   Matrix  Question 6 1 out of 1 points How many molecules of ATP are eventually produced from each FADH  2  oxidation? Answers: a.   1 b.   2 c.   3 d.   4  Question 7 1 out of 1 points When a molecule is reduced, it loses electrons. Answer s: Tru e Fals e  Question 8 1 out of 1 points How many molecules of ATP are eventually produced from each NADH oxidation? Answer s: a.   1 b.   2 c.   3 d.   4  Question 9 1 out of 1 points What is the benefit of fermentation in muscle cells when running or exercising? Answer s: a.   Conserves oxygen b.   Regenerates NAD + which keeps glycolysis going c.   Provides a rapid burst of ATP d.   Both (b) and (c)  Question 10 1 out of 1 points The estimatd energy yield from glucose metabolism is ___ ATP from glycolysis and the citric acid cycle, and ___ ATP as a result of the electron transport chain and ATP synthase. Answer s: a.   2; 36 b.   2; 34 c.   4; 36 d.   4; 34  Question 11 0.67 out of 1 points Which of the following factors would speed up the rate of a reaction (SELECT ALL THAT APPLY) Answer s: increasing temperature increasing concentration of reactants increasing concentration of products addition of enzymes  Question 12 1 out of 1 points In which of the following steps is ATP  not  produced? Answer s: a.   Glycolysis b.   Preparatory reaction c.   Citric acid cycle d.   Electron transport chain  Question 13 2 out of 2 points The energy required to initiate a reaction is called A CTIVATION__ energy  Question 14 1 out of 1 points Under what conditions would fermentation occur? Answer s: a.   No ATP b.   No oxygen c.   No NADH

BIO | 1300 | Introduction to Biology | assessment | Chapters 4 5 6 Quiz Quick Link

Chapter 7 OPENSTAX Quiz   User David Stout Course LIFE SCIENCE SUMMR-CMP 2020 VC01 Test Chapter 7 OPENSTAX Quiz Started 6/19/20 2:17 PM Submitted 6/19/20 3:04 PM Due Date 6/23/20 11:00 PM Status Completed Attempt Score 14 out of 20 points Time Elapsed 46 minutes Results Displayed All Answers, Feedback, Incorrectly Answered Questions  Question 1 4 out of 4 points Match the set of sex chromosomes with the gender or syndrome. Questi on XO XX XY XXY All Answer Choices A.   Female B.   Klinefelter syndrome C.   Male D.   Turner syndrome  Question 2 2 out of 2 points If nondisjunction occurs during meiosis II, there will be ____ gametes with a normal number of chromosomes. Answer s: a.   0 b.   1 c.   2 d.   4  Question 3 4 out of 10 points Match the term or event on the left with the corresponding type(s) of nuclear division on the right. Question Spermatogenesis and oogenesis Sister chromatids separate during anaphase Begins with a diploid number of chromosomes Ends with a haploid number of chromosomes Daughter cells are genetically identical to parent cell Crossing-over Tetrads - paired homologous chromosome, each with 2 chromatids Daughter cells are gametes Genetic variation is increased Haploid number of chromosomes, each consisting of 2 chromatids (dyads) at spindle equator during metaphase All Answer Choices A.   Mitosis B.   Meiosis I C.   Meiosis II D.   Mitosis and Meiosis I E.   Mitosis and Meiosis II F.   Meiosis I and Meiosis II  Question 4 2 out of 2 points The 22 homologous chromosomes in humans that determine general characteristics and functions are called __________________. Answer s: a.   sex chromosomes b.   alleles c.   chromatin d.   autosomes  Question 5 2 out of 2 points The event of non-sister chromatids lining up in meiosis I is called _______________. Answer s: a.   anaphase I b.   homologue c.   tetrad d.   synapsis Second try Match the term or event on the left with the corresponding type(s) of nuclear division on the right. Spermatogen esis and oogenesis Sister chromatids separate during anaphase Begins with a diploid number of chromosomes A . Mitosis B . Meiosis I C . Meiosis II D . Mitosis and Meiosis I E . Mitosis and Meiosis II F . Meiosis I and Meiosis II B. A. B. Ends with a haploid number of chromosomes Daughter cells are genetically identical to parent cell Crossing-over Tetrads - paired homologous chromosome, each with 2 chromatids Daughter cells are gametes Genetic variation is increased Haploid number of chromosomes , each consisting of 2 chromatids (dyads) at spindle equator during metaphase F. A. D. B. D. A. F.

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