- Guides d'étude, Notes de cours & Résumés

Bio 1201 Exam 3 UPDATED ACTUAL Questions and CORRECT Answers Enzyme complexes that break down protein are called _____. lipases ubiquitins amylase proteasomes nucleases - CORRECT ANSWER - proteasomes (Proteasomes are enzyme complexes that break down proteins.)

Biology 1201 Final Exam Gregg UPDATED ACTUAL Questions and CORRECT Answers subatomic particles - CORRECT ANSWER - protons, neutrons, electrons Proton charge and location - CORRECT ANSWER - positive, nucleus neutron charge and location - CORRECT ANSWER - neutral, nucleus

BIOL 1201 Exam 1 - Chapters 1-5 UPDATED ACTUAL Questions and CORRECT Answers 1. Order 2. Evolutionary adaptation 3. Regulation 4. Energy processing 5. Growth & development 6. Response to the environment 7. Reproduction - CORRECT ANSWER - What are the 7 characteristics of life? ** If a system is missing one of these, it is not considered living! **

Biol 1201 Exam 1 (gregg) UPDATED ACTUAL Questions and CORRECT Answers plasma membrane - CORRECT ANSWER - The membrane at the boundary of every cell that acts as a selective barrier, thereby regulating the cell's chemical composition. Ribosomes - CORRECT ANSWER - complexes that make proteins; free in cytosol or bound to rough ER or nuclear envelope

Centromeres - ANSWERattaches 2 sister chromatids Kinetochores - ANSWERattachment for microtubules on spindle Chromatids - ANSWER2 copies of duplicated a chromosome Spindle Apparatus - ANSWERmicrotubules extend away from centrosomes, microtubules lengthen Why are there checkpoints? - ANSWERFor stop/go cycles What is G1, G2, and M checkpoints used to check? - ANSWERG1=To see if DNA is damaged G2=To see if DNA is properly regulated M=To see if the spindle assembly/chromosome alignm...

subatomic particles - ANSWERprotons, neutrons, electrons Proton charge and location - ANSWERpositive, nucleus neutron charge and location - ANSWERneutral, nucleus Electron charge and location - ANSWERnegative (-) and outside nucleus in electron cloud valence electrons - ANSWERelectrons in the outermost shell incomplete valence shells - ANSWERatoms can share or transfer electrons with other atoms, or make chemical bonds Atoms valence - ANSWERBonding capacity = the number of unpa...

What determines if a molecule can move through a cell membrane and which can't? - ANSWERDetermined by solubility Are all carbons polar or non- polar? - ANSWERNon Polar What is the mass and charge of a proton? - ANSWERmass- 1 Dalton Charge- +1 What kind of solvent is H2O? - ANSWERpolar solvent Is an ionic compound polar or non- polar? - ANSWERPolar Are compounds that are held together with a pure covalent bond polar or non polar? - ANSWERPurely non- polar What kind of bond...

What is another name for cell to cell communication? a. signal transition b. signal transduction c. signal translation d. signal transference e. all of the above - ANSWERb. signal transduction Paracrine signaling is when: a. signal molecules pass through gap junctions to neighboring cells b. signal molecules pass through the bloodstream to other cells c. signal molecules cause two separate cells to fuse d. signal molecules pass from one cell to a nearby cell e. all of the above - AN...