Molecules move Study guides, Class notes & Summaries

Of the following functions, which is most important for the glycoproteins and glycolipids of animal cell membranes? A)facilitated diffusion of molecules down their concentration gradients B)active transport of molecules against their concentration gradients C)maintaining the integrity of fluid mosaic membrane D)maintaining membrane at low temperatures E)a cell's ability to distinguish one type of neighboring cell from another - Answer-E)a cell's ability to distinguish one type of neighb...

why are membranes called phospholipid bilayers? - Answer-phospholipids have hydrophilic head and hydrophobic tail, hydrophobic face inside of cell making 2 layers what is meant by fluid mosaic? - Answer-Mosaic of proteins drifting laterally in fluid bilayer of phospholipids how are membranes adjusted for different temperatures? - Answer-membrane fluidity adjusted by changing the ratio of unsaturated to saturated fatty acids how do the relative amounts of saturated and unsaturated fats chan...

PADI OPEN WATER Final Exam A with 100% Correct Answers 2024 Pdf 1. If an object is neutrally buoyant (does not sink or float) in fresh water; the same object placed into salt water would Answer sink. 2. Imagine you blow up a balloon, tie it off, and take it to the bottom of the swimming pool. What will happen to the balloon and the air inside it Answer The balloon will get smaller and the air inside the balloon will be more dense (molecules move closer together). 3. Imagine you turn a glass...

AC-HPAT Exam Prep 2023 with complete solution;Biology, Chemistry, Physics, Math Most of the cell membrane's specific functions are controlled by: Proteins Alcoholic Fermentation is a form of: Anaerobic Respiration Phagocytosis is a form of: Endocytosis What is a pyruvate? Pyruvate is an important chemical compound in biochemistry. It is the output of the metabolism of glucose known as glycolysis. One molecule of glucose breaks down into two molecules of pyruvate, which are then used t...

BIO 101 NVCC EXAM 3 ACTUAL EXAM QUESTIONS WITH ANSWER VERIFIED Eukaryotic chromatin is composed of - ANSWER DNA and proteins What is produced if a cell completes mitosis but does not undergo cytokinesis? - ANSWER one cell with two nuclei, each identical to the nucleus of the parent cell Humans produce skin cells by mitosis and gametes by meiosis. The nuclei of skin cells produced by mitosis will have - ANSWER twice as much DNA as the nuclei of gametes produced by meiosis Compar...

Adaptation- - correct answersThe adjustment or changes in behavior, physiology, and structure of an organism to become more suited to an environment. Aerobic- - correct answersA process that requires oxygen. Allele -An alternative form of a gene. An example would be genes that encode eye color—some encode blue eyes (one allele), while others encode brown, green, or hazel eye colors (other alleles). - correct answers amino acids - - correct answersA small organic molecule with the stru...

describe the basic functions all life forms must accomplish -response to environmental stimuli & maintain homeostasis -uptake and processing of nutrients/energy -regulation -growth and reproduction compare and contrast eukaryotic and prokaryotic cell types Prokaryotes: -circular chromosomes, no nucleus, no organelles, 3.5 bya -DNA concentrated in nucleoid Eukaryotes: -linear chromosomes, nucleus, organelles, 1.5 bya -DNA concentrated in nucleus Both: -cellular function takes p...

Nevada State Board of Cosmetology Theory Test 2024 Questions and Answers Already Graded A+. anagen phase - answer Also known as growth phase; phase during which new hair is produced. Beveling - answer Haircutting technique using diagonal lines by cutting hair ends with a slight increase or decrease in length. or A stacking tehnique single-use - answer Disposable items cannot be used more than once Decontamination methods 2 - answer Cleaning and Steriling Humectants - answer Substances tha...

Test Bank for Understanding Pathophysiology, 7th Edition by Huether and McCance Chapter 01: Cellular Biology Huether & McCance: Understanding Pathophysiology, 7th Edition MULTIPLE CHOICE 1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed by the student? a. A single circular chromosome b. A nucleus c. Free-floating nuclear material d. No organelles ANS: B The cell described is a eukary...

Bio 100 BYU Independent Study Midterm 1 Questions & Answers The reactions of photosynthesis can be divided into two stages: - Answer-Light-dependent and lightindependent The full range of energy in the universe is called - Answer-The electromagnetic spectrum Which one of the following is not a photosynthetic pigment? - Answer-Photosystem I How do C4 plants differ from C3 plants? - Answer-C4 plants store carbon in the PEP molecule. C4 plants have a special anatomical structure. C4 plants ...