Endomembrane Study guides, Revision notes & Summaries

Difference between prokaryotic cells and eukaryote cells: - correct answer Eukaryotes have internal-membrane bound organells Prokaryote cells - correct answer Unicellular organisms that don't have nuclei Eukaryotic cells - correct answer Organisms whose cells contain their genetic information inside the nucleus Which of the following structural features of phospholipid molecules affect their ability to assemble into cell membranes? - correct answer Phosolipids have both hydroph...

ASU Bio 181 Exam 1The association of ribosomes with _____ invaginations would support the _____ theory. - correct answer membrane, endomembrane After a cell is pancake shaped in a cell culture dish, the order of events that occurs as a cell walks is? - correct answer filapodia, lamellipodia, cell muscle, retraction fiber T/F It is presumed that the peroxisomes evolved in these primitive, proto-eukaryotes to remove oxygen, which was toxic to the primitive cells. - correct answer true T/F...

The association of ribosomes with _____ invaginations would support the _____ theory. - Answer-membrane, endomembrane After a cell is pancake shaped in a cell culture dish, the order of events that occurs as a cell walks is? - Answer-filapodia, lamellipodia, cell muscle, retraction fiber T/F It is presumed that the peroxisomes evolved in these primitive, proto-eukaryotes to remove oxygen, which was toxic to the primitive cells. - Answer-true T/F In an extant prokaryotic cell the outer b...

AP Biology Exam #3 Endomembrane organelles group of membranes and organelles that work together to modify, package, and transport proteins and lipids Nucleus The central part of the cell containing DNA and RNA and responsible for growth and reproduction - contains the nucleolus, chromatin, and nucleoplasm Contain genetic material The nucleus is enclosed by the nuclear envelope Nuclear envelope Has a double membrane and contains pores that regulate entry and exit of materials ...

Bio 181 ASU Exam 1 Questions and Answers Already Passed 3 fatty acids and glycerol are combined via an ________ ester linkage Actin Filament System cell motility/cell muscle, filapodia, microvilli, cell cortex Actin filaments are _____ nm 7 Anchorage-dependent uses contact inhibition to stop growth Anchorage-indepedent will keep growing forever given fresh nutrients and space Antiporter transports two different substances in opposite directions Approximately when did the ...

Which of the following is NOT a domain of the 3 domain system? - ANSWER Prokarya An atom of which of the following elements contains 6 protons and electrons? - ANSWER Carbon ___ is the name for all the chemical processes in the cell. - ANSWER Metabolism What does a receptor protein do? - ANSWER Allows a specific molecule to bind to it because of its shape ___ are modifications that make organisms suited to their way of life. - ANSWER Adaptations Example of a monosaccharide - ANSWER Gluc...

A neuron in the ventral tegmental area secretes dopamine from its axon terminal using a vesicle to secrete it outside the cell. Which of the following terms could be used to describe this process? A. Endocytosis B. Exocytosis C. Plasmolysis D. Hydrolysis correct answer: B. Exocytosis The hierarchical organization of living things goes from smallest to largest in which of the following sequences? correct answer: 1. Atom 2. Molecule 3. macromolecule 4. Organelle 5. Cell 6. Organ 7. ...

Cell Theory All living organisms are composed of one or more cells. What are the 3 important parameters in microsopy? Magnification, resoultion, and contrast. Cell structure relies on what 4 factors? Matter, energy, organization, and information What are the 2 categories all forms of life based on cell structure? Prokaryotes and Eukaryotes. The proetome of a cell determines its ? Structure and function. Prokaryotic cell Reletively simple sturctures without a nucleus, put into either bacte...

gene - Answer-unit of inheritance that programs the amino acids of a polypeptide chain monomers: DNA and nucleic acids two types of DNA - Answer-DNA and RNA gene expression - Answer-DNA directs its own replication, controls protein synthesis flow of genetic info - Answer-DNA -> RNA -> Protein DNA backbone made of - Answer-sugar and phosphate complement base pairing - Answer-A w/ T and G w/ C phosphodiester linkage - Answer-links nucleotides, made of phosphate group that links the su...

Biology 117 WVU Exam 2 Questions and Answers Already Passed What are the three domains of life? Bacteria, Archaea, Eukarya Which groups are more closely related from an evolutionary standpoint? Archaea and Eukarya What are the three different shapes of bacterial cells? 1) coccus- spherical 2) bacillus- rod shaped 3) spirilla- wavy/ corkscrew shaped What are the three different ways in which bacteria arrange themselves in colonies? 1) diplo- divide but stay attached to each oth...