Biology 1406 exam 2 - Study guides, Class notes & Summaries

Biology 1406- Exam 2What is the fluid mosaic model? - correct answer Membrane proteins consist of protein molecules embedded in a fluid bilayer of phospholipids. What are the 6 membrane proteins? List them and describe their function - correct answer 1-transport: transport molecules across a membrane, can be selective (ex: aquaporins transport water) 2-Enzymatic activity: Helps to carry out metabolic pathways throughout the body 3-Signal transduction: Protein receptors; signaling molecules;...

Biology 1406 Exam 2 Review (chapters 6,7,8) with 100% correct answersName the scientists who first studied cells and mention their contributions. - correct answer Robert Hooke: first person to view cells, first person to build a microscope. Antonie van Leeuwenhoek: first person to view living cells (bacteria, pond water) .Matthias Schleiden and Theodore Schwann (1830): proposed the cell theory (all living things are composed of cells) still true except for viruses. Who was the first scientist...

Biology 1406 Exam review Chapter 2 Collin College - Question and answers 100% correct Biology 1406 Exam review Chapter 2 Isotope - correct answer Atoms of the same element that have different numbers of neutrons or different atomic forms of the same element. Molecule - correct answer Two or more atoms held together by covalent bonds. Ion - correct answer An atom or group of atoms that have gained or lost one or more electrons, thus acquiring a charge. Cation - correct answer A pos...

Biology 1406 Exam review Chapter 2 fully solved already passedIsotope - correct answer Atoms of the same element that have different numbers of neutrons or different atomic forms of the same element. Molecule - correct answer Two or more atoms held together by covalent bonds. Ion - correct answer An atom or group of atoms that have gained or lost one or more electrons, thus acquiring a charge. Cation - correct answer A positively charged ion. Mass number - correct answer Number of pr...

Biology 1406 Exam 2 Review (chapters 6,7,8)Name the scientists who first studied cells and mention their contributions. - correct answer Robert Hooke: first person to view cells, first person to build a microscope. Antonie van Leeuwenhoek: first person to view living cells (bacteria, pond water) .Matthias Schleiden and Theodore Schwann (1830): proposed the cell theory (all living things are composed of cells) still true except for viruses. Who was the first scientist to view cells/build a mic...

BIOL 1406 Collin college, exam 1 review updated already passeddefine biology - correct answer scientific study of life know 7 features common to all living things - correct answer 1. living adapt/change to living conditions 2. living things respond to the environment 3. reproduction 4. growth and development 5. energy processing 6. regulation 7. order what are the levels of the organization of life? describe them (top -> down) - correct answer 1. the biosphere - the portion of ea...

Biology 1406 Collin College - Biology 1406 Exam 2 Practice Test Phospholipids and ________ are the major components of cell membranes. - correct answer Proteins Cellular membranes are mosaic and _________ - correct answer fluid Which of the following is important for allowing large, charged molecules to pass through the membrane? - correct answer Transmembrane proteins Placing celery sticks in fresh water will make them more turgid and harder. This is because - correct answer the cel...

BIOL 1406 Collin college, exam 1 review Collin College - Question and answers rated A+ BIOL 1406 Collin college, exam 1 review define biology - correct answer scientific study of life know 7 features common to all living things - correct answer 1. living adapt/change to living conditions 2. living things respond to the environment 3. reproduction 4. growth and development 5. energy processing 6. regulation 7. order what are the levels of the organization of life? describe them ...

Biology 1406 lecture exam 4 latest update graded A+ gregor mendel father of modern genetics two things gregor mendel discussed character trait character heritable feature of an organism trait version of a character what did mendel follow? the inheritance of traits in true-breeding pea plants cross mating between traits ex: purple flower with a white flower hybrid offspring of a cross phenotype physical appearance ex: purple flower color genotype DNA content of ge...

Biology 1406 Exam 2 Practice Test Collin College - Question and answers 100% correct Biology 1406 Exam 2 Practice Test Phospholipids and ________ are the major components of cell membranes. - correct answer Proteins Cellular membranes are mosaic and _________ - correct answer fluid Which of the following is important for allowing large, charged molecules to pass through the membrane? - correct answer Transmembrane proteins Placing celery sticks in fresh water will make them more tu...