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Learning Objective Text: Describe how and where photosynthesis takes place within a plantQuestion 12 of 402.5 PointsProtein phosphorylating enzymes help regulated gene expression byA. protein activationB.DNA synthesisC. translationD. moving mRNA into the cytoplasmFeedback:Incorrect- Learning Objective Text: Describe how signaling pathways direct protein expression, cellular metabolism, and cell growthQuestion 13 of 402.5 PointsWhat association is correct? Select all that applyA. phosphorylase-breakdown of glucoseB. phosphodiesterase- removal of phosphate
C. phospholipase C-breakdown of PIP2D. kinase-addition of phosphateE. adenylyl cyclase-ATP to cAMPFeedback:Incorrect: Learning Objective Text: Evaluate the role of second messengers in signal transmissionQuestion 14 of 402.5 Points________ are ligands, which promote cell growth.A. ApoptosisB. InhibitorsC.Growth factorsD. AutoinducersFeedback:Correct!Question 15 of 402.5 PointsHow does metaphase in meiosis I and meiosis II differ?A. Sister chromatids are on the metaphase plate in meiosis I and tetrads are on the metaphase plate in meiosis II.B.Homologous chromosomes line up in meiosis I and duplicated chromosomes line up in meiosis II.C. All chromatids are the exact same in meiosis I and differ in meiosis II due to independent assortment
D. The ploidy level remains the same in meiosis I but will be reduced in meiosis II.Feedback:Learning Objective: Describe cellular events during meiosisQuestion 16 of 402.5 PointsIn a cell with 8 duplicated chromosomes, at which phase do the daughter chromosomes contain single chromatids?A. ProphaseB. MetaphaseC.AnaphaseD. TelophaseE. CytokinesisFeedback:Learning Objective: Discuss the behavior of chromosomes during karyokinesisQuestion 17 of 402.5 PointsWhat statement shows the relationship among chloroplasts and mitochondria?A. both reduce NADP+B. both use oxygen as the final electron acceptorC.both generate ATP by proton gradientD. both release carbon dioxide
Feedback:CorrectQuestion 18 of 402.5 PointsChromosome duplication occurs for the beginning of which process? Select all that apply.A. mitosisB. meiosis IC. meiosis IID. interkinesisE. cytokinesisFeedback:Incorrect- Learning Objective Text: Explain the differences in meiosis and mitosis.Question 19 of 402.5 PointsWhat vitamin acts as a coenzyme in cell respiration and is important in alcohol fermentation?A. thiamineB.riboflavinC. niacinD. pantothenic acidFeedback:Learning Objective: Describe the type of fermentation that readily occurs in animal cells and the conditions that initiate that fermentationQuestion 20 of 402.5 PointsWhich is the correct order of structure from smallest to largest?