Question 1

Which statement is true of mitochondria? ​

Accepted Answer

A) Mitochondria are found only in prokaryotic cells. 
B) ATP is formed by reactions that convert carbon dioxide and water into sugars. 
C) ATP-producing reactions take place in the outer compartment. 
D) Mitochondria possess their own DNA. 
E) ATP producing reactions do not require oxygen. 
A) Mitochondria are found only in prokaryotic cells. 
B) ATP is formed by reactions that convert carbon dioxide and water into sugars. 
C) ATP-producing reactions take place in the outer compartment. 
D) Mitochondria possess their own DNA. 
E) ATP producing reactions do not require oxygen.

Question 2

The metabolic process ____________________ converts pyruvate to lactic acid. ​

Accepted Answer

lactate fe

Question 3

Which molecules pick up and transfer H+ to the electron transport chain? ​

Accepted Answer

A) ATP 
B) oxygen 
C) phosphate 
D) acetyl-CoA 
E) NAD and FAD 
A) ATP 
B) oxygen 
C) phosphate 
D) acetyl-CoA 
E) NAD and FAD

Question 4

Cholera produces severe diarrhea by ____. ​

Accepted Answer

A) increasing the rate at which cells pump out ions 
B) decreasing osmosis in small intestinal cells 
C) blocking ATP production 
D) increasing water pumps in small intestinal cells 
E) blocking sodium and potassium channels 
A) increasing the rate at which cells pump out ions 
B) decreasing osmosis in small intestinal cells 
C) blocking ATP production 
D) increasing water pumps in small intestinal cells 
E) blocking sodium and potassium channels

Question 5

Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cell under anaerobic conditions? ​

Accepted Answer

A) 1 
B) 2 
C) 32 
D) 34 
E) 36 
A) 1 
B) 2 
C) 32 
D) 34 
E) 36

Question 6

In which organ does the smooth ER inactivate drugs and harmful metabolic byproducts? ​

Accepted Answer

A) brain 
B) kidney 
C) liver 
D) heart 
E) spleen 
A) brain 
B) kidney 
C) liver 
D) heart 
E) spleen

Question 7

Many coenzymes are which type of molecule? ​

Accepted Answer

A) lipids 
B) sugars 
C) carbohydrates 
D) vitamins 
E) proteins 
A) lipids 
B) sugars 
C) carbohydrates 
D) vitamins 
E) proteins

Question 8

Osmosis is a(n)____________________ process because it does not require ATP energy.

Accepted Answer

The answer of Osmosis is a(n)____________________ process because it does...

Question 9

The process by which cells break down nutrients to produce ATP is known as ____. ​

Accepted Answer

A) anabolism 
B) dehydration synthesis 
C) glycolysis 
D) cellular respiration 
E) ATP activation 
A) anabolism 
B) dehydration synthesis 
C) glycolysis 
D) cellular respiration 
E) ATP activation

Question 10

What type of microscope uses magnetic lenses to bend beams of electrons? ​

Accepted Answer

A) compound microscope 
B) confocal microscope 
C) scanning electron microscope 
D) transmission electron microscope 
E) light microscope 
A) compound microscope 
B) confocal microscope 
C) scanning electron microscope 
D) transmission electron microscope 
E) light microscope

Question 11

When an enzyme breaks the bond between the second and third phosphate group on ATP ____. ​

Accepted Answer

A) energy is released 
B) ATP is produced 
C) glucose is produced 
D) cellular work decreases 
E) metabolism decreases ​ 
A) energy is released 
B) ATP is produced 
C) glucose is produced 
D) cellular work decreases 
E) metabolism decreases ​

Question 12

Bacteria captured by white blood cells are collected in vesicles and destroyed by ____. ​

Accepted Answer

A) smooth ER 
B) peroxisomes 
C) Golgi bodies 
D) ribosomes 
E) lysosomes 
A) smooth ER 
B) peroxisomes 
C) Golgi bodies 
D) ribosomes 
E) lysosomes

Question 13

The portion of an enzyme where the substrate binds is known as the ____. ​

Accepted Answer

A) receptor site 
B) active site 
C) target receptor 
D) target site 
E) contact site 
A) receptor site 
B) active site 
C) target receptor 
D) target site 
E) contact site

Question 14

Which ion accumulates in the outer mitochondrial membrane compartment during electron transport chain reactions? ​ calcium calcium

Accepted Answer

A) hydrogen 
B) oxygen 
C) sodium ​ 
D) potassium 
E) calcium 
A) hydrogen 
B) oxygen 
C) sodium ​ 
D) potassium 
E) calcium

Question 15

A prokaryotic cell has all of the following EXCEPT ____. ​

Accepted Answer

A) a plasma membrane 
B) DNA 
C) cytoplasm 
D) a nucleus inside a membrane 
E) organelles 
A) a plasma membrane 
B) DNA 
C) cytoplasm 
D) a nucleus inside a membrane 
E) organelles

Question 16

Because glucose is a large molecule, it crosses the membrane through ____________________ diffusion. ​

Accepted Answer

The answer of Because glucose is a large molecule, it...

Question 17

What organelle is the site of ATP production? ​

Accepted Answer

A) nucleus 
B) mitochondria 
C) peroxisomes 
D) lysosomes 
E) Golgi body 
A) nucleus 
B) mitochondria 
C) peroxisomes 
D) lysosomes 
E) Golgi body

Question 18

Which portion of the plasma membrane carries out most of the membrane's specific functions? ​

Accepted Answer

A) proteins 
B) lipids 
C) carbohydrates 
D) glycolipids 
E) glycoproteins 
A) proteins 
B) lipids 
C) carbohydrates 
D) glycolipids 
E) glycoproteins

Question 19

Which particle is able to freely cross the plasma membrane? ​

Accepted Answer

A) Na+ 
B) Cl- 
C) oxygen 
D) glucose 
E) amino acids 
A) Na+ 
B) Cl- 
C) oxygen 
D) glucose 
E) amino acids

Question 20

Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cell under aerobic conditions? ​

Accepted Answer

A) 1 
B) 2 
C) 32 
D) 34 
E) 36 
A) 1 
B) 2 
C) 32 
D) 34 
E) 36

Exam 3: Cells and How They Work

Which statement is true of mitochondria? ​

The metabolic process ____________________ converts pyruvate to lactic acid. ​

Which molecules pick up and transfer H+ to the electron transport chain? ​

Cholera produces severe diarrhea by ____. ​

Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cell under anaerobic conditions? ​

In which organ does the smooth ER inactivate drugs and harmful metabolic byproducts? ​

Many coenzymes are which type of molecule? ​

Osmosis is a(n)____________________ process because it does not require ATP energy.

The process by which cells break down nutrients to produce ATP is known as ____. ​

What type of microscope uses magnetic lenses to bend beams of electrons? ​

When an enzyme breaks the bond between the second and third phosphate group on ATP ____. ​

Bacteria captured by white blood cells are collected in vesicles and destroyed by ____. ​

The portion of an enzyme where the substrate binds is known as the ____. ​

Which ion accumulates in the outer mitochondrial membrane compartment during electron transport chain reactions? ​ calcium calcium

A prokaryotic cell has all of the following EXCEPT ____. ​

Because glucose is a large molecule, it crosses the membrane through ____________________ diffusion. ​

What organelle is the site of ATP production? ​

Which portion of the plasma membrane carries out most of the membrane's specific functions? ​

Which particle is able to freely cross the plasma membrane? ​

Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cell under aerobic conditions? ​

Learning About Human Biology

Chemistry of Life

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA Genes and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

Filters

Which statement is true of mitochondria?

The metabolic process ____________________ converts pyruvate to lactic acid.

Which molecules pick up and transfer H⁺ to the electron transport chain?

Cholera produces severe diarrhea by ____.

Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cell under anaerobic conditions?

In which organ does the smooth ER inactivate drugs and harmful metabolic byproducts?

Many coenzymes are which type of molecule?

The process by which cells break down nutrients to produce ATP is known as ____.

What type of microscope uses magnetic lenses to bend beams of electrons?

When an enzyme breaks the bond between the second and third phosphate group on ATP ____.

Bacteria captured by white blood cells are collected in vesicles and destroyed by ____.

The portion of an enzyme where the substrate binds is known as the ____.

Which ion accumulates in the outer mitochondrial membrane compartment during electron transport chain reactions? calcium calcium

A prokaryotic cell has all of the following EXCEPT ____.

Because glucose is a large molecule, it crosses the membrane through ____________________ diffusion.

What organelle is the site of ATP production?

Which portion of the plasma membrane carries out most of the membrane's specific functions?

Which particle is able to freely cross the plasma membrane?

Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cell under aerobic conditions?