Biology 101 Lab Quiz: Experiment #2

Bio 101 quiz (2) Content: chapter 6,7,8 Bio101 quiz(2) with AK 1 – the protein that responsible for Adenylyl cyclase activation is: A – intracellular receptor B – ion channel receptor C- G-protein coupled receptor D – receptor tyrosine kinase Answer: C 2 – the sodium-potassium pump is called an electrogenic pump because of: A – Na+ and K+ by passively transport B- forms sodium and potassium ions C – pumping hydrogen ions out of the cell D- pumping Na+ and k+ across the membrane Answer:D 3 – what is the main system is responsible for protein trafficking ? A – endocrine system B – endomembrane system C – immune system D – exocrine system Answer :B 4 – which of the following describes the function of Golgi apparatus ? A – modifying of ER products B – production of ribosomes C – synthesizing lipids D – breaking down complex food Answern: A 5 – To cross the cell membrane, water must : A – squeeze between phospholipid molecules B – be transported at the using of ATP C – be moved by a co-transport system D – pass through aquaporins Answer :D 6 – which of the following enzyme converts ATP to cAMP ? A – Adenylyl cyclase B – phosphodiesterase C -protein kinases D – protein phosphatases Answer :A 7 – WHICH of the following process, a cell engulfs a large particle in a vacuole ? A – exocytosis B – pinocytosis C – phagocytosis D – autophagy Answer: c 8- which of the following is an example of bulk transport from inside to outside the cell ? A – hydrolysis B – exocytosis c- plasmolysis d- endocytosis Answer : b 9 – transferring unicellular organism from hypotonic solution to hypertonic solution causes it to : A – swell B – stay normal C -shriveled D – plasmolyzed Answer: c 10 – the main organelle that is control intracellular digestion of macromolecule with the help of hydrolytic enzymes is: A – endosomes B – mitochondria c- Golgi apparatus d – lysosomes Answer: d 11 – which of the following is an example of endocytosis ? A – autophagy B – plasmolysis c- pinocytosis d – osmosis Answer : c 12- what is the function of protein kinase ? A -protein dephosphorylation B – protein modification C – protein secretion D – protein phosphorylation Answer : d 13 – the type of passive movement across plasma membrane that does not require channels or carriers is : A – facilitated diffusion b- exocytosis c- phagocytosis d- simple diffusion Answer : d 14 - which of the following membrane structures have a role in active transport ? A -cholesterol B – phospholipids C – integral protein D – collagen Answer: c 15 – response is process of turning on : A – activators B – promoters C – G protein D – transcription factor Answer : d