Biology 1201 Study guides, Class notes & Summaries

organisms are composed of _______________ matter anything that takes up space and has mass matter a substance that cannot be broken down to other substances by chemical reactions example: hydrogen element a substance consisting of two or more elements in a fixed ratio example: water (H2O) compound the smallest unit of matter that still retains the properties of an element atom

organisms are composed of _______________ matter anything that takes up space and has mass matter a substance that cannot be broken down to other substances by chemical reactions example: hydrogen element a substance consisting of two or more elements in a fixed ratio example: water (H2O) compound the smallest unit of matter that still retains the properties of an element atom atoms are composed of subatomic particles. list the subatomic particles and their charges neutron (no charg...

How many quarters of the planet is covered with water? - ANSWER Three-quaters What is the average depth of the ocean? For every ___ meters depth increase, pressure increases___ atm - ANSWER 3800 meters. 10; 1 The deep sea is characterized by: - ANSWER Defined as the ocean below either 200 or 1000 meters. Low temperature, high hydrostatic pressure, and no sunlight. 2-4 degrees celsius What doesn't penetrate to the deep sea for photosynthesis? - ANSWER Sunlight

Heredity the transmission of traits from one generation to the next Variation __________ is demonstated by the diffferences in appearance that offspring show from parents and siblings genetics ________ is the scientific study of heredity and variation genes __________ are the units of heredity and are made up of segments of DNA gametes genes are passed to the next generation via reproductive cellls called ________ (sperm and eggs) somatic cells humans have 46 chromosomes in the nucl...

Biology 1201 Exam 1 Questions With Verified Answers About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up approximately 96% of living matter? - answerCarbon, Hydrogen, Nitrogen, Oxygen What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? - answer6 Which of these refers to atoms with the same atomic number but different atomic masses? - answerIsotopes Fluorine's atomic number is 9 and its atomic ma...

macromolecules - large organic molecules which are usually polymers polymers - large molecules consisting of many identical or similar subunits monomer - subunit of a polymer most biological polymerization reactions are_____ -condensation reactions aka dehydration synthesis reactions condensation reactions (dehydration synthesis) - polymerization reactions in which the covalent linkage of the monomers is accompanies by removal of water molecule hydrolysis - breaking of covalent bonds betw...

Biology 1201 Exam 1 Questions and answers latest update

About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up approximately 96% of living matter? - Carbon, Hydrogen, Nitrogen, Oxygen What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? - 6 Which of these refers to atoms with the same atomic number but different atomic masses? - Isotopes Fluorine's atomic number is 9 and its atomic mass is 19. How many neutrons does fluorine have? - 10 An uncharged a...

Biology 1201 Final Exam Questions and answers latest update

macromolecules - large organic molecules which are usually polymers polymers - large molecules consisting of many identical or similar subunits monomer - subunit of a polymer most biological polymerization reactions are_____ - condensation reactions aka dehydration synthesis reactions condensation reactions (dehydration synthesis) - polymerization reactions in which the covalent linkage of the monomers is accompanies by removal of water molecule hydrolysis - breaking of covalent b...