Study guides, Class notes & Summaries

Which of the following contains the largest amount of genetic information? a)chromosome b) gene c) protein d) phenotype e) allele chromosome Fur color in dogs is an example of a(n): a) phenotype b) genotype c) allele phenotype The genes that encode the brown pigment in a dog's fur are an example of a(n): a) allele b) phenotype c) genotype genotype The genes, which encode for the pigments for brown and black fur are located in the same spot on the same chromoso...

commensalism A relationship between two organisms in which one organism benefits and the other is unaffected community All the different populations that live together in an area competition the struggle between organisms to survive in a habitat with limited resources ecology the branch of biology that deals with the relations of organisms to one another and to their physical surroundings. ecosystem A biological community of interacting organisms and their physic...

An atom shares Which situation describes covalent bonding? One atom transfers an electron to another atom. An atom shares an electron with another atom. An atom transfers an electron to another atom and becomes electronegative. One electronegative atom bonds with an electropositive atom. Jaw and Lungs Which two characteristics are found in organism C? E Where is the ancestor of wolves and gorillas, but not frogs depicted on this cladogram? Lamprey Which organism has ...

DNA is transcribed to build RNA and then RNA leaves the ______________. DNA never leaves the _____________. nucleus, nucleus Which kind of macromolecule is DNA? Nucleic acid Which type of monomer is used to build DNA? Nucleotide Which type of nucleotide or base would not be found in DNA? U What are DNA's bases? A-T G-C What determines how a molecule of DNA stores genetic information? The order of the bases in the molecule How does DNA replication...

Biology - the scientific study of life and is the branch of science that studies living organisms and the way organisms interact with their environments. What are the 5 characteristics of life? - Be made of materials organized in a hierarchical pattern. - Use energy and raw materials to survive. - Sense and respond to changing environments and maintain internal stability, or homeostasis. - Grow, develop, and reproduce. - Be part of a population that evolves. Cell - t...

WGU-C190 INTRODUCTION TO BIOLOGY| 520 QUESTIONS AND ANSWER.

Abiotic Non-living, may be within or made by a living organism. Biotic Living. Matter is considered ______ if it was ever alive at some point in time Atom Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. Molecule Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. Macromolecule Third level. Biologically important molecules that are technically polymers. Example: DNA. ...

atom characteristics vary in type as number of protons change atom characteristics positively charged protons and neutral neutrons in the center atom characteristics electrons configured in shells atom characteristics electrons and protons that are oppositely charged covalent bonds a very strong bond forms as atoms fill their electron shells phospholipid provides a barrier by having one hydrophobic side and one hydrophilic side (molecule) lipid pr...

Fats and oils are composed of Fatty acids and glycerol Fatty acids can naturally be saturated or unsaturated. A saturated fatty acid has . All single covalent bonds Triglycerides, a type of fat, are composed of what two subunits? Fatty acids and glycerol What would you have to do to make a fat from the fatty acid shown above? Attach it to a glycerol along with two other fatty acids. If one or more of the fatty acids in a triglyceride include omega-3 fatty acids, ...

atom basic unit of matter molecule chemical structure consisting of at least 2 atoms held together by a chemical bond cell fundamental unit of life organelle compartment inside the cell that contain specific groups of macromolecules and carry out specific cellular functions microorganisms single celled life form tissue formed when many different kinds of cells work together to fulfill the same detailed function organs collections of tissues that w...