Hydrophilic head Study guides, Class notes & Summaries

LSU Bio 1201 exam 2 Questions and Answers 100% Pass why are membranes called phospholipid bilayers? phospholipids have hydrophilic head and hydrophobic tail, hydrophobic face inside of cell making 2 layers what is meant by fluid mosaic? Mosaic of proteins drifting laterally in fluid bilayer of phospholipids how are membranes adjusted for different temperatures? membrane fluidity adjusted by changing the ratio of unsaturated to saturated fatty acids how do the relative amounts o...

PSI Cosmetology Theory Exam With Complete and Verified Solutions Soft Water/ Rain water Answer: - Best for shampooing and allows shampoo to lather freely Hard Water Answer: - Minerals that lessen the ability of the shampoo to lather Purified water/Deionized water Answer: - Main ingredient in shampoo Surfactant Answer: - has two ends the HYDROPHILIC HEAD and LIPOPHILIC TAIL Hydrophilic Head Answer: - Attracted to water

prokaryotic cells - Answer lack a clearly define internal structure to house their DNA. eukaryotic cells - Answer membrane bound structures. cytoskeleton - Answer network of protein filaments and microtubules which hold organelles. plasma membrane - Answer boundary of all living cells which controls entry of dissolved substances into and out of the cell. phospholipid bilayer - Answer a double layer of fat consisting of the hydrophilic head and the hydrophobic tail. prote...

emergent properties correct answersnew properties that emerge with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases negative feedback correct answersa mechanism of response in which a stimulus initiates reactions that reduce the stimulus positive feedback correct answersa physiological control mechanism in which a change in a variable triggers mechanisms that amplify the change inductive reasoning correct answersreason...

AP Biology Final Exam Review Questions And Answers emergent properties - ANS new properties that emerge with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases negative feedback - ANS a mechanism of response in which a stimulus initiates reactions that reduce the stimulus positive feedback - ANS a physiological control mechanism in which a change in a variable triggers mechanisms that amplify the change in...

Dipole Moment - ANSWER Partial negative and partial positive charge What causes surface tension? - ANSWER Hydrogen bonding Hydrophilic - ANSWER "water loving" Hydrophobic - ANSWER "water fearing" Hydration Shell - ANSWER Water surrounding the ions Diffusion - ANSWER Movement of ions from high to low concentrations Osmosis - ANSWER Diffusion of water Amphipathic - ANSWER "both loving" Characteristics of the head group - ANSWER Hydrophilic, charged, phosphodiestor bon...

Dipole Moment correct answers Partial negative and partial positive charge What causes surface tension? correct answers Hydrogen bonding Hydrophilic correct answers "water loving" Hydrophobic correct answers "water fearing" Hydration Shell correct answers Water surrounding the ions Diffusion correct answers Movement of ions from high to low concentrations Osmosis correct answers Diffusion of water Amphipathic correct answers "both loving" Characteristics of the head...

Hard Water Minerals that lessen the ability of the shampoo to lather Purified water/Deionized water Main ingredient in shampoo Surfactant has two ends the HYDROPHILIC HEAD and LIPOPHILIC TAIL Hydrophilic Head Attracted to water Lipophilic Tail Attracted to dirts and oils Acid Balanced Shampoo pH of 4.5-5.5 Jheri Redding first to introduce pH balanced shampoo in the 1960s Clarifying Shampoo acidic base to cut through buildup on the hair strand Humectants Most conditioners carry this. Prom...

Soft Water/ Rain water - Best for shampooing and allows shampoo to lather freely Hard Water - Minerals that lessen the ability of the shampoo to lather Purified water/Deionized water - Main ingredient in shampoo Surfactant - has two ends the HYDROPHILIC HEAD and LIPOPHILIC TAIL Hydrophilic Head - Attracted to water Lipophilic Tail - Attracted to dirts and oils Acid Balanced Shampoo - pH of 4.5-5.5 Jheri Redding - first to introduce pH balanced shampoo...

emergent properties - correct answer new properties that emerge with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases negative feedback - correct answer a mechanism of response in which a stimulus initiates reactions that reduce the stimulus positive feedback - correct answer a physiological control mechanism in which a change in a variable triggers mechanisms that amplify the change inductive reasoning - correc...