Question 1

With each turn of the Krebs cycle, ____. ​

Accepted Answer

A) the majority of ATP are produced 
B) oxygen is produced 
C) carbon dioxide is utilized 
D) NADH and FADH2 are produced 
E) pyruvate is produced 
A) the majority of ATP are produced 
B) oxygen is produced 
C) carbon dioxide is utilized 
D) NADH and FADH2 are produced 
E) pyruvate is produced

Question 2

What term refers to the ability of a cell membrane to regulate which molecules can enter and exit the cell? ​

Accepted Answer

A) transport selection 
B) osmosis 
C) cell recognition 
D) selective permeability 
E) fluidity ​ 
A) transport selection 
B) osmosis 
C) cell recognition 
D) selective permeability 
E) fluidity ​

Question 3

The production of ATP in the mitochondria requires ____. ​

Accepted Answer

A) ribosomes 
B) oxygen 
C) carbon dioxide 
D) vesicles 
E) water 
A) ribosomes 
B) oxygen 
C) carbon dioxide 
D) vesicles 
E) water

Question 4

Which of the following is NOT an end product of glycolysis? ​

Accepted Answer

A) total of 4 ATP produced 
B) net yield of 2 ATP 
C) 2 pyruvate molecules 
D) carbon dioxide 
E) production of a pair of three carbon molecules 
A) total of 4 ATP produced 
B) net yield of 2 ATP 
C) 2 pyruvate molecules 
D) carbon dioxide 
E) production of a pair of three carbon molecules

Question 5

A difference in the number of particles in two neighboring solutions is a(n)____________________. ​

Accepted Answer

concentrat

Question 6

The organelle that converts harmful hydrogen peroxide to water and oxygen is the ____. ​

Accepted Answer

A) smooth ER ​ 
B) peroxisome 
C) Golgi body 
D) ribosome 
E) lysosome 
A) smooth ER ​ 
B) peroxisome 
C) Golgi body 
D) ribosome 
E) lysosome

Question 7

The most abundant cytoskeletal elements are ____. ​

Accepted Answer

A) intermediate filaments 
B) flagella 
C) microtubules 
D) microfilaments 
E) centrioles 
A) intermediate filaments 
B) flagella 
C) microtubules 
D) microfilaments 
E) centrioles

Question 8

The plasma membrane is composed of ____. ​

Accepted Answer

A) water and salts 
B) proteins 
C) nucleic acids 
D) primarily phospholipids 
E) proteins and carbohydrates 
A) water and salts 
B) proteins 
C) nucleic acids 
D) primarily phospholipids 
E) proteins and carbohydrates

Question 9

Every living organism must have ____. ​

Accepted Answer

A) at least one cell 
B) a nucleus 
C) a cell wall 
D) mitochondria 
E) oxygen 
A) at least one cell 
B) a nucleus 
C) a cell wall 
D) mitochondria 
E) oxygen

Question 10

Match between columns
                        Premises: movement of glucose into the cell
process by which a cell placed in a hypertonic solution will shrink
movement of sodium down its concentration gradient through a channel
vesicular transport mechanism
movement of water across the membrane
requires ATP utilization to power membrane pumps
uses a transport protein to move amino acids into the cell
movement of oxygen down its concentration gradient
this process would be used by white blood cells to ingest bacteria
movement of sodium against its concentration gradient

Accepted Answer

The Answer of osmosis and active transport and endocytosis and is...

Question 11

Which transport process requires ATP utilization? ​

Accepted Answer

A) active transport 
B) osmosis 
C) diffusion 
D) facilitated diffusion 
E) diffusion through a channel 
A) active transport 
B) osmosis 
C) diffusion 
D) facilitated diffusion 
E) diffusion through a channel

Question 12

A thyroid gland cell secretes thyroid hormones into the blood. This is an example of ____. ​

Accepted Answer

A) diffusion 
B) endocytosis ​ 
C) exocytosis 
D) osmosis 
E) facilitated diffusion 
A) diffusion 
B) endocytosis ​ 
C) exocytosis 
D) osmosis 
E) facilitated diffusion

Question 13

Which structure produces cell movements? ​

Accepted Answer

A) intermediate filaments 
B) flagella 
C) collagen 
D) microfilaments 
E) centrioles ​ 
A) intermediate filaments 
B) flagella 
C) collagen 
D) microfilaments 
E) centrioles ​

Question 14

DNA and its attached proteins are known as ____. ​

Accepted Answer

A) nucleoli 
B) the nuclear envelope 
C) chromatin 
D) chromosomes 
E) genes 
A) nucleoli 
B) the nuclear envelope 
C) chromatin 
D) chromosomes 
E) genes

Question 15

In which structure do cilia covered in mucus trap foreign particles? ​

Accepted Answer

A) urinary tract 
B) reproductive tract 
C) arteries 
D) respiratory tract 
E) digestive tract 
A) urinary tract 
B) reproductive tract 
C) arteries 
D) respiratory tract 
E) digestive tract

Question 16

Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cytoplasm 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

Question 17

A cell placed in a(n)____________________ solution will swell. ​

Accepted Answer

The answer of A cell placed in a(n)____________________ solution will...

Question 18

During Krebs cycle reactions, the waste product gas ____________________ is produced. ​

Accepted Answer

The answer of During Krebs cycle reactions, the waste product...

Question 19

The organelle that produces the majority of the cell's ATP is the ____. ​

Accepted Answer

A) ribosome 
B) lysosome 
C) mitochondria 
D) vesicle 
E) Golgi body 
A) ribosome 
B) lysosome 
C) mitochondria 
D) vesicle 
E) Golgi body

Question 20

What factor of the plasma membrane provides fluidity? ​

Accepted Answer

A) The arrangements of carbohydrates 
B) The movements of the phospholipids 
C) The arrangement of proteins 
D) The interaction of glycolipids with water 
E) The enzymatic activity of membrane proteins 
A) The arrangements of carbohydrates 
B) The movements of the phospholipids 
C) The arrangement of proteins 
D) The interaction of glycolipids with water 
E) The enzymatic activity of membrane proteins

Exam 3: Cells and How They Work

With each turn of the Krebs cycle, ____. ​

What term refers to the ability of a cell membrane to regulate which molecules can enter and exit the cell? ​

The production of ATP in the mitochondria requires ____. ​

Which of the following is NOT an end product of glycolysis? ​

A difference in the number of particles in two neighboring solutions is a(n)____________________. ​

The organelle that converts harmful hydrogen peroxide to water and oxygen is the ____. ​

The most abundant cytoskeletal elements are ____. ​

The plasma membrane is composed of ____. ​

Every living organism must have ____. ​

Which transport process requires ATP utilization? ​

A thyroid gland cell secretes thyroid hormones into the blood. This is an example of ____. ​

Which structure produces cell movements? ​

DNA and its attached proteins are known as ____. ​

In which structure do cilia covered in mucus trap foreign particles? ​

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

A cell placed in a(n)____________________ solution will swell. ​

During Krebs cycle reactions, the waste product gas ____________________ is produced. ​

The organelle that produces the majority of the cell's ATP is the ____. ​

What factor of the plasma membrane provides fluidity? ​

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

With each turn of the Krebs cycle, ____.

What term refers to the ability of a cell membrane to regulate which molecules can enter and exit the cell?

The production of ATP in the mitochondria requires ____.

Which of the following is NOT an end product of glycolysis?

A difference in the number of particles in two neighboring solutions is a(n)____________________.

The organelle that converts harmful hydrogen peroxide to water and oxygen is the ____.

The most abundant cytoskeletal elements are ____.

The plasma membrane is composed of ____.

Every living organism must have ____.

Which transport process requires ATP utilization?

A thyroid gland cell secretes thyroid hormones into the blood. This is an example of ____.

Which structure produces cell movements?

DNA and its attached proteins are known as ____.

In which structure do cilia covered in mucus trap foreign particles?

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

A cell placed in a(n)____________________ solution will swell.

During Krebs cycle reactions, the waste product gas ____________________ is produced.

The organelle that produces the majority of the cell's ATP is the ____.

What factor of the plasma membrane provides fluidity?