Sfsu bio - Study guides, Class notes & Summaries

SFSU Bio 230 Study Guides for Exams 1, 2, 3, and 4 Questions and Answers Grade A+ How are chromosomes, genes, alleles, proteins, traits and mutations related? - ️️ Chromosomes contain DNA which contains genes that can vary and are then called alleles, which code for proteins that can be expressed as traits. Mutations happen. What causes cancer?Are all mutations caused by mutagens? - ️️ Cancer can be caused by inheritance or sporadic mutations (mutagens). Not all mutations are cause...

How are chromosomes, genes, alleles, proteins, traits and mutations related? - correct answer Chromosomes contain DNA which contains genes that can vary and are then called alleles, which code for proteins that can be expressed as traits. Mutations happen. What causes cancer?Are all mutations caused by mutagens? - correct answer Cancer can be caused by inheritance or sporadic mutations (mutagens). Not all mutations are caused by mutagens. ** How do you go about determining whether the ...

DNA - correct answer Are made up of 46 chromosomes that have alleles within them that with those alleles Prion - correct answer Are misfolded proteins that cause other similar proteins to misfold Not made of cells. Not have DNA RNA. Are not viruses Are causative of Mad cow disease Non-Coding DNA - correct answer Promoters and introns(parts of process) 98% of genome is noncoding - DNA that doesn't get coded into a protein RNA - correct answer Ribonucleic acid; a type of nucle...

Homeostasis refers to maintaining a relatively stable internal environment. The "internal environment" is: a) the blood cells b) body parts beneath the skin c) the cytoplasm of all the cells in the body d) plasma, interstitial fluid, and transcellular fluid e) intracellular fluid - correct answer plasma, interstitial fluid, and transcellular fluid Which of the following is an example of positive feedback? a) Consuming caffeine increases urine output, causing dehydration b) The ...

SFSU Bio 230 Study Guides for Exams 1, 2, 3, and 4 Questions and Answers

SFSU Biology 230 Final Exam with complete solutions What are the two components of the proton-motive force? a. pH gradient and equilibrium b. pH gradient and voltage c. voltage and ATP d. voltage and lipid-soluble agents - ️️ b. pH gradient and voltage Which molecule is responsible for unwinding DNA supercoils before replication in E. coli? a. DNA helicase b. DNA ligase c. DNA polymerase III d. Gyrase e. Topoisomerase I/II - ️️ a. DNA helicase What is the likely cause of an ...