NIU Bio 103 Exam Questions And Answers

Living organisms are characterized by how ________. Answer: they are organized, they respond to stimuli, they acquire materials and energy from their environment The ______ is composed of a variety of molecules working together and is the basic unit of structure and function of all living thin...

The study of life. Answer: Biology The study of plants. Answer: Botany The study of animals. Answer: Zoology The study of body form and structure. Answer: Anatomy The study of bodily function. Answer: Physiology The study of interaction of organisms with each other and their environment. ...

The chemistry & physics of molecules that make up living organisms Answer: Molecular Biology Compounds that do not have a carbon backbone Answer: Inorganic Compounds A substance that cannot be broken down into simpler substances by ordinary chemical reactions Answer: Element Each element is ...

Interphase Answer: cell grows, performs its normal functions, and prepares for division; consists of G1, S, and G2 phases G1 phase Answer: the cell grows in size and organelles double in size S phase Answer: DNA replication ("S"= synthesize) G2 phase Answer: cell growth, production of enz...

Which energy molecule is the most common energy molecule used by cells? Answer: ATP Aerobic cellular respiration (often just called cellular respiration) requires which molecule? Answer: O2 Which of the following are inputs/reactants for aerobic cellular respiration? Answer: O2 and C6H12O6 W...

Hypertonic ~ cell loses water Rf ~ distance moved by pigment/distance from pigment orgin to solvent front chlorophyll a ~ blue-green color colors chlorophyll b ~ yellow green color carotenes ~ yellow-orangecolors xanthophylls ~ pale yellow pigment origin/solvent front ~ st...

Define Herpetology ~ Study of reptiles Define Anatomy ~ Study of structure Define Physiology ~ Study of function Define Entomology ~ Study of insects Define Genetics ~ Study of heredity Define Botany ~ Study of plants Define Ecology ~ The relationships found between organo...

What is another name for a hypothesis? ~ Educated Guess What is a controlled experiment? ~ Environment is held constant What is a control group? ~ Goes through all the steps of the experiment except the one being tested What is a experimental variable? ~ The factor being tested What ...

Shortest wavelength and highways energy photons within the visible spectrum; one of the regions where chlorophylls absorb. a. green b. violet- blue c. red d. ultraviolet e. yelllow- orange ~ b. violet-blue Visible light not strongly absorbed by chlorophylls. a. green b. violet - blue...

What type of bond is formed when atoms share electrons? ~ covalent The type of bond formed when electrons are transferred from one atom to another is called ________. ~ ionic What are the characteristics of water? ~ water molecules are cohesive and adhesive, temperature rises and falls ...

brown algae lack true roots, but have similar structures, called ____________ that anchor them to the substrate ~ holdfasts the commercially important unicellular protest that are used in filters, polishes and other industrial processes are the ~ Diatoms green algae is thought to have gi...

What inhibits enzymes required for ATP production? ~ Cyanide What is glycolysis? ~ The breakdown of glucose by enzymes into pyruvate (2 molecules) and energy (no oxygen use) Since glycolysis does not use oxygen, what can the pyruvate turn into? ~ Lactic Acid Where does glycolysis occur...