Louisiana State University

altruistic suicide - Answer where ties to the group or community are considered more important than individual identity anomic suicide - Answer occurs when the structure of society is weakened or disrupted and people feel hopeless and disillusioned fatalistic suicide - Answer occurs when people see no possible way to improve their oppressive circumstances comparitive method - Answer compares existing official statistics and historical records across groups to tes...

transport proteins - Answer are responsible for controlling passage across the membrane fluid mosaic model - Answer The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - Answer nonpolar, hydrophobic fatty acid heads - Answer hydrophilic, polar periphial proteins - Answer bound to the surface of the membrane integral proteins - Answer penetrate the hydrophobic core (ones that span the membran...

Genetic diversity requires __________. - Answer sexual reproduction, independent assortment, crossing over between nonsystem chromatids of homologous chromosomes, and random fertilization Which of the following occurs in meiosis, but not mitosis? - Answer Homologous chromosomes separate. Sister chromatids differ from nonsister chromatids in that sister chromatids __________. - Answer are products of the S phase of the cell cycle and are two copies of one chromosome The...

plasma membrane - Answer The membrane at the boundary of every cell that acts as a selective barrier, thereby regulating the cell's chemical composition. Ribosomes - Answer complexes that make proteins; free in cytosol or bound to rough ER or nuclear envelope Golgi apparatus - Answer active in synthesis, modification, sorting, and secretion of cell products Lysosome - Answer digestive organelle where macromolecules are hydrolyzed, and autophagy Mitachondrio...

What did Mendel discover? - Answer Mendel discovered the basic principles of heredity by breeding pea plants. What is a character defined as? - Answer A character is defined as a heritable feature that varies among individuals, such as flower color. What is a trait defined as? - Answer A trait is defined as each specific variant for a character, such as the color purple or white for flowers. What are true breeding plants? - Answer True breeding plants are plants ...

The Molecules of Life - Answer ● All living things are made up of four classes of large biological molecules: carbohydrates, lipids, proteins, and nucleic acids Concept 5.1 - Answer ● Macromolecules are polymers built from monomers ● A polymer is a long molecule consisting of many similar building blocks ● The repeating units that serve as building blocks are called monomers ● Carbohydrates, proteins, and nucleic acids are polymers Concept 5.2 - Answer ● C...

subatomic particles - Answer protons, neutrons, electrons Proton charge and location - Answer positive, nucleus neutron charge and location - Answer neutral, nucleus Electron charge and location - Answer negative (-) and outside nucleus in electron cloud valence electrons - Answer electrons in the outermost shell incomplete valence shells - Answer atoms can share or transfer electrons with other atoms, or make chemical bonds Atoms valence - A...

According to the Second Law of Thermodynamics, - Answer when energy changes forms the amount of useful energy decreases The change in free energy is calculated by the following formula: - Answer ΔG= ΔH - T(ΔS) Which of the following reactions will always be spontaneous? - Answer Enthalpy decreases, entropy increases When glucose monomers are joined to form a cellulose polymer, the changes in free energy, enthalpy, and entropy are: - Answer +ΔG, +ΔH, -ΔS ...

local signaling - Answer animal cells may communicate by direct contact, or cell-cell recognition (paracrine and synaptic signaling) cell junctions - Answer Animal and plant cells; directly connect the cytoplasm of adjacent cells paracrine signaling - Answer the target cells lie near the secreting cells synaptic signaling - Answer a nerve cell releases neurotransmitter molecules into a synapse, stimulating the target cell endocrine (hormonal) signaling - Answe...

arrangement of subatomic particles - Answer The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged). mole - Answer a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules molarity - Answer the moles of a solute per liters of a solution (mol/L) how to solve problems ...