IVY TECH APHY 101 Exam 1 (1-4)
Questions and Actual Answers.
Three metabolic pathways are involved in the breakdown of glucose to CO2, H2O, and ATP. Of
the three, which one occurs in the cytoplasm? - Answer glycolysis
Which of the nitrogenous bases is part of DNA, but not RNA? - Answer thymine
Which phase of mitotic cell division is represented by this picture? - Answer prophase
T/F: A DNA strand with a base sequence of ACTTCGCATG, when replicated, would yield a newly
formed strand of the same base sequence. - Answer false
Would a molecule that helps to form the cytoskeleton of a cell be an example of an enzyme? -
Answer No
A water solution that contains equal numbers of hydrogen ions and hydroxide ions is
___________ - Answer neutral
Glycogen is stored in the liver and __________. - Answer skeletal muscle
The origin of the term "anatomy" is related to - Answer the Greek word for "cutting up."
DNA - Answer stores genetic information, including instructions for enzymes that synthesize
fats and carbohydrates.
T/F: A cell may contain hundreds of different types of enzymes. - Answer true
The atomic mass of an element whose atoms contain 8 protons, 8 electrons, and 8 neutrons is
_____ - Answer 16 (protons +neutrons = atomic mass)
T/F: The framework of a cell membrane is a lipid bilayer. - Answer true
Endoplasmic reticulum is best described as a - Answer network of interconnected
membranes.
Which organelle contains the nucleolus? - Answer The nucleus
, The type of organic molecule that can replicate is a - Answer nucleic acid
A patient's blood test shows that their blood pH is 7.29. They are most likely experiencing -
Answer acidosis
anything below 7.35 is acidosis
T/F: An electrolyte ionizes in water. - Answer true
The molecule shown is a(n) __________ molecule. It is a type of __________. - Answer
triglyceride; lipid
When placed into water, the ionic compound NaCl will do what? - Answer dissociate into
Na+ and Cl- ions.
T/F: The parietal pleura is a visceral membrane. - Answer false
T/F: Loss of cell cycle control can cause cancer. - Answer true
The basic steps of an enzyme-catalyzed reaction are - Answer substrate and enzyme
combine, forming an E-S complex. The reaction occurs, products are released, and the
unchanged enzyme is released and recycled.
What is a cofactor? - Answer Nonprotein molecule that must combine with some enzymes in
order for them to become active
The upper midportion of the abdomen is called the __________region. - Answer epigastric
The body is made up of many different cell types, from small circular red blood cells to the
elongated smooth muscle cells 20X its size. Why is there such variation in size and shape? -
Answer Different variations in size and shape allow differentiated cell types to perform
unique functions.
T/F: Absorption is the ability to exhale carbon dioxide. - Answer false
In all organisms, the basic unit of structure and function is - Answer the cell
Cells with specialized characteristics are termed __________. - Answer differentiated
Questions and Actual Answers.
Three metabolic pathways are involved in the breakdown of glucose to CO2, H2O, and ATP. Of
the three, which one occurs in the cytoplasm? - Answer glycolysis
Which of the nitrogenous bases is part of DNA, but not RNA? - Answer thymine
Which phase of mitotic cell division is represented by this picture? - Answer prophase
T/F: A DNA strand with a base sequence of ACTTCGCATG, when replicated, would yield a newly
formed strand of the same base sequence. - Answer false
Would a molecule that helps to form the cytoskeleton of a cell be an example of an enzyme? -
Answer No
A water solution that contains equal numbers of hydrogen ions and hydroxide ions is
___________ - Answer neutral
Glycogen is stored in the liver and __________. - Answer skeletal muscle
The origin of the term "anatomy" is related to - Answer the Greek word for "cutting up."
DNA - Answer stores genetic information, including instructions for enzymes that synthesize
fats and carbohydrates.
T/F: A cell may contain hundreds of different types of enzymes. - Answer true
The atomic mass of an element whose atoms contain 8 protons, 8 electrons, and 8 neutrons is
_____ - Answer 16 (protons +neutrons = atomic mass)
T/F: The framework of a cell membrane is a lipid bilayer. - Answer true
Endoplasmic reticulum is best described as a - Answer network of interconnected
membranes.
Which organelle contains the nucleolus? - Answer The nucleus
, The type of organic molecule that can replicate is a - Answer nucleic acid
A patient's blood test shows that their blood pH is 7.29. They are most likely experiencing -
Answer acidosis
anything below 7.35 is acidosis
T/F: An electrolyte ionizes in water. - Answer true
The molecule shown is a(n) __________ molecule. It is a type of __________. - Answer
triglyceride; lipid
When placed into water, the ionic compound NaCl will do what? - Answer dissociate into
Na+ and Cl- ions.
T/F: The parietal pleura is a visceral membrane. - Answer false
T/F: Loss of cell cycle control can cause cancer. - Answer true
The basic steps of an enzyme-catalyzed reaction are - Answer substrate and enzyme
combine, forming an E-S complex. The reaction occurs, products are released, and the
unchanged enzyme is released and recycled.
What is a cofactor? - Answer Nonprotein molecule that must combine with some enzymes in
order for them to become active
The upper midportion of the abdomen is called the __________region. - Answer epigastric
The body is made up of many different cell types, from small circular red blood cells to the
elongated smooth muscle cells 20X its size. Why is there such variation in size and shape? -
Answer Different variations in size and shape allow differentiated cell types to perform
unique functions.
T/F: Absorption is the ability to exhale carbon dioxide. - Answer false
In all organisms, the basic unit of structure and function is - Answer the cell
Cells with specialized characteristics are termed __________. - Answer differentiated
