Biology 103 Exam Questions and Correct 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...

Cell Answer: smallest, most basic unit life unicellular Answer: one cell multicellular Answer: many cells emergent property Answer: qualities appear each level organization List the organization of living things. Answer: Atom molecule cell tissue organs organ system organism List the...

Organic Molecules contain _____ and _____ Answer: Carbon and Hydrogen Characteristics of organic molecules Answer: -have covalent bonds -have many atoms -associated with living things Characteristics of inorganic molecules Answer: -have ionic bonds -small # of atoms -associated with nonlivi...

Subatomic particles Answer: Tiny entities of matter Protons, Neutrons, Electrons Atoms Answer: Building block of all substances Molecules Answer: Group of atoms bonded together Organelles Answer: Any number of organized or specialized structures within a living cell Cells Answer: Smallest ...