TESTSOLVER9 STORE

What hazards may be encountered in lab? - Answer Cutting oneself with a sharp object or glass, contact with or ingestion of chemicals that can be harmful, contact with or ingestion of infectious or biological waste, and carelessness or lack of preparation. How will you know if poisonous or caustic chemicals will be used in lab? - Answer The TA will inform you and it will be printed in the lab manual. Are smoking and consuming food allowed in the lab? - Answer No What should be ...

Spectrometer - Answer Detect changes in absorbable over time by shining light of a specific wavelength through a sample Absorbance - Answer Amount of light that didn't make it through the sample (majority of readings) Transmittance - Answer Amount of light that did make it through hydrogen peroxide h2o2 - Answer a toxic by product of oxidative cellular metabolism Peroxidase - Answer enzyme that catalyzes the hydrolysis of hydrogen peroxide H2O2 + Reduced Guaiacol...

Prokaryotes (bacteria and archaea) - Answer • Lack a membrane-bound nucleus • No (or very rare) membrane-bound organelles • Single-celled, very small (0.2 - 2 µm) Eukaryote - Answer • Contain a membrane-bound nucleus • All contain other membrane-bound organelles • Single- or multi-cellular, much larger (10 - 100 µm) Organelles - Answer membrane-bound compartments specialized for a certain function Prokaryotic Cells - Answer do not have a nucleus or other ...

Water is a small, _______ molecule. - Answer Polar Water's polarity is due to the ____________ of Oxygen. - Answer Electronegativity ___________ is when unlike molecules stick together. Ex: water molecules sticking to a blade of grass - Answer Adhesion ____________ is when the molecules of a substance stick together. - Answer Cohesion Water molecules exhibit cohesion due to ___________ bonding. - Answer Hydrogen __________ is when a liquid surface resists force, ...

metabolic pathway - Answer A series of chemical reactions that either builds up a complex molecule (anabolic) or breaks down a complex molecule into simpler ones (catabolic) catabolic pathway - Answer a metabolic pathway that releases energy by breaking down complex molecules in to simpler ones anabolic pathway - Answer a metabolic pathway that consumes energy to synthesize a complex molecule from simpler ones bioenergetics - Answer 1) the overall flow and transformation of ...

Know the levels of organization from smallest to largest? - Answer Atoms, molecules, organelles, cells, tissues, organ, system, organism, population, communities, ecosystems, and biosphere The simplest entity that exhibits all of the properties of life is called - Answer cell Know the parts of scientific name - Answer Genus name and the species name- Felis cats- a house cat What is the difference between sexual and asexual reproduction - Answer Asexual- single parents produc...

gene expression - Answer process by which DNA directs the synthesis of proteins that codes in two stages: transcription and translation one gene - one enzyme hypothesis - Answer a gene dictates the production of a specific enzyme one gene - one polypeptide - Answer many proteins are constructed of two or more polypeptide chains so multiple genes code for a protein transcription - Answer synthesis of RNA using information in the DNA; information transcribed from DNA to RNA ...

Duplication - Answer A DNA segment in a chromosome that is a copy of another segment. Translocation - Answer A chromosome abnormality caused by the rearrangement of parts between nonhomologous chromosomes. Translocation. - Answer One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is the alteration called? Chromosome breakage and rejoining. - Answer In order for chromosomes to undergo inversion or translocation, what is requ...

Structures of a prokaryote cell? (6) - Answer Cell wall Plasma membrane Cytoplasm Plasmid Ribosomes (free floating) Chromosome (DNA) What is a gene? - Answer segment of DNA that codes for a protein What is a nucleoid of a prokaryotic cell? - Answer Nucleus like region of the cell How is DNA found in a prokaryotic cell? - Answer Supercoiled Function and structure of Plasmids - Answer Structure: Small circular DNA molecules Function: "Auxillary genetic informa...

What do Cells contain? - Answer Proteins: perform most of cells functions Nucleic Acids: store, transmit and process information Carbohydrates: energy, support, identity Plasma membrane-selectively permeable barrier. Eukaryote cells - Answer Cells that have a membrane bound nucleus. Prokaryote - Answer Lacks a membrane bound nucleus. Prokaryotic Prokaryotic cell-DNA - Answer Contains a single circular chromosome composed of DNA and proteins. They are tightly coiled in a r...

Four properties of water - Answer 1) cohesive/adhesive 2) high specific heat 3) expansion when freezing 4) versatility as solvent What bonds must be broken in order for water to evaporate - Answer Hydrogen Bonds Van der Waals Interaction - Answer weak attraction between 2 nonpolar through hydrophobic molecules Surface Tension - Answer cohesive forces caused by attraction between molecules at the surface of a liquid Why coastal temperature don't fluxuate much? - Ans...

define each step of central dogma - Answer transcription: uses DNA template to make RNA molecule translation: uses info in mRNA to synthesize protein define the exceptions to the central dogma - Answer 1. some RNA molecules don't code for proteins 2. reverse transcriptase enzyme makes RNA into DNA how do you determine the mRNA sequence that results from transcription from a given sequence of DNA? - Answer you look at the non-template strand codon and transcribe it using RNA...

hypothesis - Answer tentative explanation tested by further investigation theory - Answer - explanation of natural world through observation and experimentation - broad in scope misleading science - Answer - science cannot "prove" anything - correlation does not equal causation - bias bonds/bonding present in water - Answer - polar covalent bonds - hydrogen bonding (cohesion and adhesion) cohesion - Answer - property of water - water molecules stick to each...

What should the microscope be cleaned with? - Answer Lens wipes not kim wipes How does the dissecting microscope magnification work? - Answer The number on the dial is the total amount of magnification How does the compound microscope magnification work? - Answer Times the amount on the actual microscope by 10 What are the steps for putting the microscope away? - Answer 1. After it is cleaned put the cover on it 2. Put it in the cabinet with the arm facing out What does ...

scanning lens - Answer 4x low power lens - Answer 10x high power lens - Answer 40x oil immersion lens - Answer 100x compound light microscope - Answer multiply objectives magnification by 10x disecting microscope - Answer magnification does NOT get multiplied hypotonic solution - Answer solute is more inside the cell than outside hypertonic solution - Answer solute is more outside the cell than inside crenation - Answer animal cells in hypertoni...

Evolution - Answer the process of change that has transformed life on Earth Biology - Answer scientific study of life 5 unifying themes - Answer organization, information, energy/matter, interactions, evolution Successive levels (small to large) - Answer molecules, organelles, cells, tissue, organs (organ systems), organisms, population, community, ecosystem, biosphere DNA - Answer chromosomes containing genetic material Genes - Answer encode information for buil...

virus - Answer least complex organisms, reproduce using host cells scientific method - Answer an inquiry that follows steps to compare and contrast results y-axis - Answer what's manipulated x-axis - Answer what's being measured control/ placebo - Answer there to provide a constant to make sure there is no influence on the experiments, most important variable correlation experiment - Answer shows variation between data, is possibility not truth pseudosci...

Photosynthesis - Answer - Energy from sunlight powers biosynthesis of carbohydrates from inorganic materials - Ultimate source of food (energy) for all eukaryotic organisms Where does photosynthesis occur? - Answer - Cytosol of prokaryotes - Chloroplasts of eukaryotes (chloroplasts are high structured, in plants 40-50 per cell) - Green color due to presence of chlorophyll pigments Who photosynthesizes? - Answer - Autotrophs - Plants - Some protists (algae) - Some prokaryotes...

chromosome - Answer a structure containing genetic info in the form of genes chromatin - Answer the material that makes up eukaryotic chromosomes; consists of a DNA molecule complexed with histone proteins chromatid - Answer one double-stranded DNA copy of a replicated chromosome with its associated proteins sister chromatids - Answer the two attached, double-stranded DNA copies of a replicated chromosome centromere - Answer a specialized region of a chromosome where s...

Solvent - Answer Agent for dissolving. Water is an excellent solvent because due to the polarity of the water molecule, it is able to form hydrogen bonds with ions and polarmolecules. Solute - Answer What is being dissolved. Is water polar? - Answer Yes. It carries a partial positive charge on one side and a negative charge on the other. Hydrophilic - Answer "water loving." Substances that interact with water. ex. ions and polar molecules because of the interactions wi...