Comprehensive BIO 2000 Q&A Bundle

During the initiation of an action potential.. Sodium ion channels open and sodium ions enter the axon Organelles of the cytoplasm: Ribosomal endoplasmic reticulum, mitochondrion, lysosome, Golgi apparatus % of protein in organic matter of the body approx over 50% Factors regulated by body ...

reactions that release free energy are exergonic, spontaneous enzymes speed up reactions by lowering the activation energy necessary to initiate the reaction When NADH is converted to NAD+ + H+, NADH has been oxidized Scientist identify proteins that use ATP as an energy source by Determining if ...

What is water potential? How does solute concentration and pressure influence the movement of water? Water potential is defined as pressure potential + solute potential. Basically, it's the measure of where water wants to go. Water always wants to go toward the areas of negative pressure and wants ...

You discover a new multicellular organism. The organism has organelles and cell walls composed mainly of cellulose. This new organism could be A. a plant. B. a bacterium. C. an animal. D. a fungus. E. an archaea a plant Unlike a single-celled organism, the cells of a multicellular organism can A. d...

Two "magic" solutions are sold by a research supply company. "Magic Solution A" promises to extract all proteins, including integral membrane proteins, from the plasma membrane. "Magic Solution B" promises to simply extract all peripherally associated membrane proteins. What is the likely comp...

Which of the following pathways occurs in the cytosol? glycolysis During glycolysis, ATP is produced by substrate-level phosphorylation. The ability to diagnose tumors using [18F]-fluorodeoxyglucose (FDG) is based on the phenomenon that most types of cancer cells exhibit higher levels of glycolysi...

Which type of light microscope only illuminates the specimen? a.Light field b.Dark field c.Phase contrast d.Confocal e.Transmission b. Dark field What is the main difference between prokaryotes and eukaryotes- a. Cytoplasm b. DNA c. Ribosomes d. Plasma membrane e. Compartmentalization e. Compartmen...

Which of the following amino acids is considered an essential amino acid? Valine A key difference in chemical structure of protein compared to carbohydrates and fats is that proteins contain __________ in addition to carbon, hydrogen, and oxygen. Nitrogen Heat, radiation, alcohol, acids, bases, an...

During a one-year study, researchers found no difference in treehopper populations in any of their control and experimental groups. What could they measure during the second year to gain information about why this might have occurred? Measure the number of ant females. Measure the relative sizes o...

free energy energy that is available to do work function of enzymes increase the rate at which a reaction occurs by lowering the activation energy Anabloism process by which the body utilizes the energy released by catabolism to synthesize complex molecules Catabolism Metabolic pathways that brea...

What is the difference between Pyruvate and Acetyl CoA? One less carbon What is the final electron acceptor that is found in the Electron Transport Chain? Oxygen What are the enzymes found in electron transport chain? What are the accessory compound found in here? What compound enters? Cytochrome ...

All animals have skin. All mammals are animals. Lions are mammals. Lions have skin. In the given argument, there _____. A. are three premises and a conclusion B. is no premise C. are more than four premises D. is no conclusion A Identify a true statement about inductive arguments. A. Inductive argu...

____ makes up the nucleus of an atom protons and neutrons living organisms are composed mainly of which atoms? carbon, hydrogen, nitrogen, oxygen the ability of an atom to attract electrons in a bond with another atom is termed its electronegativity hydrogen bonds differ from covalent bonds in th...

Many of today's scientists who are considered to be blinded by science say that the true believers _____. A. seek self-condonement B. acknowledge the impossibility of things C. acknowledge the reality of meteorites D. suffer from a similar myopia D Those who accept the reality of the paranormal ar...