Biology 100 Exam Chapters 1-4 With 100% Correct Answers 2023, Exams of Advanced Education

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Biology 100 Exam Chapters 1-4 With

100% Correct Answers 2023

Living things are: - Correct Answer-Complex and organized, Maintain balance through homeostasis Grow and develop Aquire and use materials and energy Respond to stumili Reproduce Can evolve Energy from the environment is used to: - Correct Answer-Build structures Repair old structures Reproduce Producer/autotroph - Correct Answer-Extract energy and nutrients from non living environment Consumer/Heterotroph - Correct Answer-Eats other organisms for nutrients Humans/other animals Decomposer - Correct Answer-Breaks down waste and dead animals to obtain energy Fungi and many bacteria Homeostasis is - Correct Answer-State of internal constancy or equilibrium asexual reproduction - Correct Answer-organism produces offspring identical to itself- bacteria, some plants, fungi, animals sexual reproduction - Correct Answer-genetic material from two parents combines to produce a 3rd organism Adaption - Correct Answer-inherited characteristic that increases an organisms chance of survival

1. Populations produce more offspring than can survive
2. Sexual reproduction results in genetic variability Domain - Correct Answer-A taxonomic category above the kingdom level. The three domains are Archaea, Bacteria, and Eukarya. Domain Eukarya - Correct Answer-domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals

hypothesis testing - Correct Answer-Observation Hypothesis Experiment Data collection Conclusion Cell theory - Correct Answer-All organisms are made of cells, basic unit is cell Gene theory - Correct Answer-Genes encode proteins and RNA molecules determine what an organism will be like Heredity - Correct Answer-Genes are located on chromosomes as discrete units and are inherited from one generation to the next. Evolution Theory - Correct Answer-Diversity of life on earth is the result of evolution through natural selection. 5 biological themes - Correct Answer-evolution, flow of energy, cooperation, structure determines function, homeostasis Elements are - Correct Answer-pure substances, can't be broken down. There are 92 naturally occurring elements and 25 synthetic. bulk elements - Correct Answer-Oxygen, carbon, nitrogen, hydrogen, sulfur trace elements - Correct Answer-iodine and iron Atoms number of protons - Correct Answer-Will never change Atomic mass - Correct Answer-Number of protons and neutrons Isotopes - Correct Answer-Different number of neutrons Ions - Correct Answer-Differ in number of electrons If atoms are identical - Correct Answer-they are called elements If atoms are different - Correct Answer-they are called compounds Valence Shells - Correct Answer-outermost shell of an atom polar bond - Correct Answer-a covalent bond in which electrons are shared unequally nonpolar bond - Correct Answer-a covalent bond in which electrons are shared equally, neutral

Which of the following sub-atomic particles - Correct Answer-Electrons Solutes- - Correct Answer-Hydrophobic Solvents - Correct Answer-Hydrophilic Hydrolisis reaction. Water! - Correct Answer-When a water molecule is added to a substance, it can break down anything polar. Structural support, eliminates waste, evaporation, cohesion and adhesion, and specific heat! Solutions that accumulate H+ are - Correct Answer-ACIDS Solutions that accumulate OH- are - Correct Answer-BASES pH scale - Correct Answer-0- acidic, 14-basic. From 8 to 4 is 10,000x more acidic. 10x per number organic molecules - Correct Answer-carbon based molecules, because they: Form 4 covalent bonds Bond in a number of ways Forms polar and non polar bonds Stable in a wide temp range biological molecules - Correct Answer-Large, polymers, dehydration, hydrolysis Carbs are composed of - Correct Answer-Carbon, hydrogen, oxygen. They are monosaccharides (glucose, fructose) and form glycosidic bonds Carbohydrates function - Correct Answer-Main source of energy, structural support of cellulose Lipids are - Correct Answer-Hydrophobic, and nonpolar. Do not dissolve in water. Energy rich, support organs. Insulation, cell membranes, prevent water loss Protiens are made up of - Correct Answer-Amino acids, 20 of them. Gene regulations. Nucleus acids - Correct Answer-Sugar, phosphate, nitrogen base. Schleiden, Schwann and Virchow - Correct Answer-Scientists in the 1800's who studied cells and combined their findings to develop Cell Theory Cell theory- - Correct Answer-1. All living organisms are made up of one or more cells

2. Cell is the fundamental unit of life
3. All cells arise from pre-existing cells All cells: - Correct Answer-Have the same basic chemical composition

Use energy Contain DNA Consist of cells Cells are - Correct Answer-the smallest unit of life that can function independently Eukaryote - Correct Answer-Has a nucleus and membrane bound organelles Prokaryote - Correct Answer-Small, abundant, lacks membrane, has flagella and cilia 3 domains of life - Correct Answer-Bacteria, Archaea, and Eukarya phospholipid bilayer - Correct Answer-selectively permeable, fluid mosaic cell membrane, rotation and movement. Cytosol (Cytoplasm) - Correct Answer-ALL CELLS HAVE THIS! It's the fluid inside of every living cell where organelles float. Chemical reactions occur here. Cytoskeleton - Correct Answer-Cell shape, movement, division. Composed of microtubules, microfilaments, and intermediate filaments. Features common to a cell - Correct Answer-Generic information Proteins RNA Ribosomes Cytoplasm Cell membrane