Exam 4: Energy and Metabolism

Answer the questions by matching each word or groups of words with its appropriate question number. -proteins and molecules that generate the energy for the phosphorylation of ADP to ATP A)active site B)adenosine triphosphate C)electron transfer chain D)denaturation E)feedback inhibition F)phosphorylation G)enzyme H)cofactor

​Pepsin is an enzyme that functions in the stomach. Its optimum pH would be ____.

​ATP contains ____.

Passive molecular diffusion occurs when ____.

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

​A series of enzyme-mediated reactions by which cells build, remodel, or break down organic molecules is known as ____.

​Transporting a solute against its concentration gradient requires ____.

​Match the following questions about cell membrane permeability correctly. -This process is used by single-celled amoeba to ingest and digest bacteria. A)​simple diffusion B)​exocytosis C)​osmosis D)​active transport E)​phagocytosis

​Osmosis is an example of ____.

​Enzymes speed up a chemical reaction by ____.

Why does wood keep burning once it is lit?

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

A cirrhotic liver can no longer produce ____, which leads to swelling in the legs and abdomen. haptoglobin

If guncotton has a lower activation energy than gunpowder, then which is true about guncotton?

​The enzyme that is part of the metabolic pathway that breaks down alcohol is called ____.

How do sodium-potassium pumps work?

​Once glucose has entered a cell, what prevents it from diffusing back out of the cell?

​Unlike plants, fungi, and bacteria, animal cells cannot resist volume increases in hypotonic environments. This is because unlike those other organisms, animal cells ____.

Answer the questions by matching each word or groups of words with its appropriate question number. -often a vitamin or mineral that improves enzyme functioning A)active site B)adenosine triphosphate C)electron transfer chain D)denaturation E)feedback inhibition F)phosphorylation G)enzyme H)cofactor

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 -hypotonic