Bio 150 final exam stuvia - Study guides, Class notes & Summaries

What is a population? - ANSWER interbreeding of a group of individuals who have the same species, geographics and time period. The population is exchanging genes What is the purpose of variability within a pop? - ANSWER some genetic variants have advantages and natural selection can act on variation Two process that can occur if a pop. cant exchange genes - ANSWER genetic divergence and speciation Decreasing variation in a species leads to- - ANSWER instability 3 levels of biodiversi...

Dr. Keck studies - ANSWER fish 5 Major: Evolution - ANSWER populations of organisms and their cellular components have changed over time through both selective and non-selective processes. 5 Major: Structure and Function - ANSWER all living systems (organisms, ecosystems, etc) are made of structural components whose arrangements determines the function of the systems. 5 Major: Transformations of Matter and Energy - ANSWER All living things acquire, use and release matter and energy for ...

Leghemoglobins - ANSWER Facilitate the diffusion of oxygen Molecular Processes within Photosynthesis - ANSWER Capture of photon energy, redox reactions, photophosphorylation, Reduction Light Reactions - ANSWER Chlorophyl absorbs light which creates a proton gradient that makes ATP and reduces NADP to NADPH Dark Reactions - ANSWER Thermochemical reactions catalyzed via enzymes Meristematic Cells - ANSWER Give rise to proplastids like: leucoplats, chromoplasts, chloroplasts Leucopla...

What type of disease is Measles? - ANSWER Measles is a microbial disease that affects the skin and produces a macular rash all over the body except palms and soles of feet. Etiological Agent, Port of Entry, Symptoms, and Prevention of Measles - ANSWER Etiological Agent: Virus Port of Entry: Airborne, Enters through Respiratory Tract Symptoms: Rash first appears on face and spreads to other parts of the body. Prevention: MMR Vaccine = Attenuated Vaccine (Measles, Mumps, Rubella) Wh...

Which of the following build(s) new strands of DNA? - ANSWER DNA polymerases Which statement about DNA replication is CORRECT? - ANSWER The leading strand is built continuously, and the lagging strand is built in pieces. The molecule that seals the gaps between the pieces of DNA in the lagging strand is - ANSWER DNA ligase. Which of the following events occurs during transcription? - ANSWER A molecule of RNA is formed based on the sequence of nucleotides in DNA. mRNA? - ANSWER mRNA m...

what acquires nutrients from air water and soil - ANSWER plants what is 96% of plants' dry weight? - ANSWER - organic carbon-containing compounds how does a plant get carbon? - ANSWER carbon comes from CO2 absorbed by plant leaves & integrated into organic compounds (e.g., glucose) by photosynthesis what do plants get from soil? - ANSWER - water - minerals - some O2 what part of roots controls solute uptake? - ANSWER The plasma membranes what must solutes move through to reach ...

four topics in the process of science - ANSWER testing ideas, exploration and discovery, community analysis and feedback, benefits and outcomes what goes in the big green circle for the process of science flow chart? - ANSWER testing ideas scholarly literature - ANSWER literature that typically comes from peer-reviewed, refereed journals main purpose of peer reviewed journals - ANSWER disseminate information in a standardized, unbiased, objective, andnon-sensationalized manner. popul...

Correlations between any two given variables may be due to causative effects. True or False? - ANSWER True Because randomized experimental studies are the gold standard of scientific research studies, ecologists only use this study design in their research. True or False? - ANSWER False A deoxyribose nucleotide comprises of __________________________________. - ANSWER a phosphate group, a 5-C deoxyribose sugar, a nitrogenous base Meiosis is the division of one cell into 2 identical daug...

Uncorrected mistake during meiosis will lead to: - ANSWER production of gametes with mutated genes What molecule holds instructions for the synthesis of protein and copies itself for the next generation of cells: - ANSWER DNA DNA's sugar-phosphate backbones are joined with - ANSWER covalent bonds Strands of DNA are joined by - ANSWER hydrogen bonds If you were watching a cell undergoing a doubling of the dna in its nucleus, you would be observing - ANSWER replication The enzyme t...

icthyology - ANSWER what does Dr. Keck study? evolution - ANSWER populations of organisms and their cellular components have changed over time through both selective and non-selective evolutionary processes; major learning objective structure and function - ANSWER all living systems (organisms, ecosystems, etc.) are made of structural components whose arrangement determines the function of the systems; major learning objective information flow and storage - ANSWER information (DNA, for ...