Biology A Unit 5: Lessons 22-26 Fall 2023 Questions and
Answers Complete
Lesson 22:
Lesson 22:
What molecule is used to power cellular processes in cells?
ATP
What is the role of ATP in transport across a cell membrane?
ATP is an energy molecule that helps with active transport.
What statement is true about the relationship between ADP and ATP?
Another phosphate group can be added to ADP to regenerate ATP.
What results at the end of biochemical reactions that involve enzymes?
products
What do enzymes react with?
a specific substrate
What can be said about phenylketonuria?
Select all that apply.
It is caused by a mutation on the PAH gene.
It causes excess phenylalanine accumulation.
Which components are part of ATP's structure?
Select all that apply.
adenine
ribose
phosphate groups
What happens when ATP reacts with water to form ADP and a phosphate group?
Energy is released.
Determine if the following statement is true or false.
ADP is a molecule related to the energy-storing ATP and it is repeatedly
regenerated back into ATP by having a phosphate group added to it.
True
Which category of macromolecule does ATP belong to?
nucleotide
Which statements correctly describe enzymes?
Select all that apply.
They only react with a specific substrate.
They speed up chemical reactions.
, Which statements describe what happens when enzymes are added to a chemical
reaction?
Select all that apply.
The activation energy is lowered.
The chemical reaction is sped up.
Where is amylase produced in the human body?
in the salivary glands and pancreas
An enzyme catalyzes a chemical reaction, where A and B are joined to yield C.
What statement is correct about this reaction?
A and B are reactants.
Study the image.
https://cdstools.flipswitch.com/asset/media/1156791
Which labeled part is the active site?
B
What tests can be used to diagnose phenylketonuria?
Select all that apply.
0.5
blood tests
Lesson 23:
Lesson 23:
What is the role of respiration in living organisms?
It provides the energy needed by cells.
What is the relationship between the cardiovascular system and respiration?
The cardiovascular system delivers oxygen and nutrients necessary for respiration to
the cells.
What is a metabolic pathway?
a series of enzymatic reactions where products become the reactants for the next step
What are the stages of aerobic respiration?
Select all that apply.
citric acid cycle
glycolysis
electron transport chain
Which statements describe the cardiovascular system?
Select all that apply.
Answers Complete
Lesson 22:
Lesson 22:
What molecule is used to power cellular processes in cells?
ATP
What is the role of ATP in transport across a cell membrane?
ATP is an energy molecule that helps with active transport.
What statement is true about the relationship between ADP and ATP?
Another phosphate group can be added to ADP to regenerate ATP.
What results at the end of biochemical reactions that involve enzymes?
products
What do enzymes react with?
a specific substrate
What can be said about phenylketonuria?
Select all that apply.
It is caused by a mutation on the PAH gene.
It causes excess phenylalanine accumulation.
Which components are part of ATP's structure?
Select all that apply.
adenine
ribose
phosphate groups
What happens when ATP reacts with water to form ADP and a phosphate group?
Energy is released.
Determine if the following statement is true or false.
ADP is a molecule related to the energy-storing ATP and it is repeatedly
regenerated back into ATP by having a phosphate group added to it.
True
Which category of macromolecule does ATP belong to?
nucleotide
Which statements correctly describe enzymes?
Select all that apply.
They only react with a specific substrate.
They speed up chemical reactions.
, Which statements describe what happens when enzymes are added to a chemical
reaction?
Select all that apply.
The activation energy is lowered.
The chemical reaction is sped up.
Where is amylase produced in the human body?
in the salivary glands and pancreas
An enzyme catalyzes a chemical reaction, where A and B are joined to yield C.
What statement is correct about this reaction?
A and B are reactants.
Study the image.
https://cdstools.flipswitch.com/asset/media/1156791
Which labeled part is the active site?
B
What tests can be used to diagnose phenylketonuria?
Select all that apply.
0.5
blood tests
Lesson 23:
Lesson 23:
What is the role of respiration in living organisms?
It provides the energy needed by cells.
What is the relationship between the cardiovascular system and respiration?
The cardiovascular system delivers oxygen and nutrients necessary for respiration to
the cells.
What is a metabolic pathway?
a series of enzymatic reactions where products become the reactants for the next step
What are the stages of aerobic respiration?
Select all that apply.
citric acid cycle
glycolysis
electron transport chain
Which statements describe the cardiovascular system?
Select all that apply.
