BIO 1201 EXAM 2 – LICATA ACTUAL 2025/2026 CORRECTLY ANSWERED

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BIO 1201 EXAM 2 – LICATA ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS What are 2 parts of cell theory? - Answer -- all organisms are made of cells -simplest collection of matter that can be alive where are cells in the biological size range? - Answer -about the middle what is microscopy? - Answer -how you see things describe scanning electron microscopes - Answer --focus electrons onto the surface of the specimen, producing 2-D pictures -used for smaller than cellular looking describe transmission electron microscopes - Answer --focus beam of electrons through a specimen, producing 2-D pictures -used for smaller than cellular looking what are both TEM and SEM microscopes used for? - Answer -discerning cellular anatomy what is cellular fractionation, and a method of cellular fractionation? - Answer --takes cells apart and separates the major organelles from one another -centrifuges: fractionate cells into their component parts; harder you spin it, the smaller organelles you get -used for discerning cellular anatomy Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com what are the basic features of both prokaryotic and eukaryotic cells? - Answer --plasma membrane -semifluid substance called cytosol -chromosomes that carry genes -ribosomes that make proteins characteristics of a prokaryotic cell - Answer --no defined nucleus -DNA in unbound nucleoid -no membrane bound organelles -100x smaller than eukaryotic cells -flagella for movement (a lot, not all) -a lot have cell walls characteristics of a eukaryotic cell - Answer --DNA in membrane-bound nucleus -membrane-bound organelles -endomembrane system (inner membrane) -larger than prokaryotic cells -plant and animal cells have. many shared organelles What do plant cells have that animal cells don't? - Answer -cellulose, cell wall, chloroplasts, central vacuole what is in the nucleus? - Answer -DNA, nuclear envelope, nuclear membrane, nuclear pores, chromatin/chromosomes, nucleolis, ribosomes, lamina What is the nuclear envelope? - Answer -it encloses the nucleus what is the nuclear membrane? - Answer -a lipid bilayer what are nuclear pores - Answer -they regulate the entry and exit of molecules Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com