Exam 4: Energy and Metabolism

Answer the questions by matching each word or groups of words with its appropriate question number. -attaching a phosphate group by forming a higher energy bond A)active site B)adenosine triphosphate C)electron transfer chain D)denaturation E)feedback inhibition F)phosphorylation G)enzyme H)cofactor

Matching ​Answer the questions by matching each word or groups of words with the appropriate definition. -​molecule remaining at the end of a reaction A)​reactant B)​product C)​ATP D)​activation energy E)​reaction F)​phosphorylation

Consider the ADH reaction and answer the following question. ADH stands for alcohol dehydrogenase. In the given reaction, ethanol represents the ____.

In the following pictures of red blood cells emerged in three different solutions, identify which picture corresponds to each of the following solutions. a. A b. B c. C -hypertonic

​Substances that enter a reaction are termed ____.

​The amount of turgor that is enough to stop osmosis is called ____.

​Oxygen, carbon dioxide, and other small molecules cross the plasma membrane through the process of ____.

A solute passively diffuses through a transport protein out of the cell, therefore, ____.

​A concentration gradient ceases to exist when ____.

A cow converts the energy of glucose into the energy of ATP. What happens to most of the energy in that conversion?

​Match the following questions about cell membrane permeability correctly. -​This process explains movement from areas of higher concentration to areas of lower concentration without the use of supplied energy. A)​simple diffusion B)​exocytosis C)​osmosis D)​active transport E)​phagocytosis

What happens to a molecule when it is phosphorylated?

​NAD⁺ is considered a(n) ____.

Why doesn't the gasoline in your car spontaneously ignite into flames? (The reaction of gasoline with oxygen is called a combustion reaction and is the reaction that is used to power your car.)

Energy ____.

​The net direction that an ion or molecule moves is ____.

​Which of the following occurs in feedback inhibition?

Consider the ADH reaction and answer the following question. ADH stands for alcohol dehydrogenase. ​ In this reaction, ADH represents the ____.

If the activation energy for a chemical reaction is very high, the ____.

​F. acidarmanus, a species of bacteria that lives in California copper mines, has adapted to its environment by altering the ____ at which its enzymes function.