Question 1

In the human body mineral salts are necessary for:
1)proper cell function.
2)creation of energy.
3)conduction of impulses along nerves.

Accepted Answer

A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3 
A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3 D

Question 2

The cell components that contain the centrioles are the:

Accepted Answer

A)  centrosomes. 
B)  Golgi apparatus and mitochondria. 
C)  lysosomes. 
D)  ribosomes. 
A)  centrosomes. 
B)  Golgi apparatus and mitochondria. 
C)  lysosomes. 
D)  ribosomes. A

Question 3

Which of the following serves as a prototype for messenger RNA (mRNA)?

Accepted Answer

A)  Deoxyribonucleic acid (DN
A)  
B)  Nitric acid (HNO3) 
C)  Potassium (K) and sodium (Na) 
D)  Transfer RNA (tRN
A)  
A)  Deoxyribonucleic acid (DN
A)  
B)  Nitric acid (HNO3) 
C)  Potassium (K) and sodium (Na) 
D)  Transfer RNA (tRN
A)  A

Question 4

In general,which of the following can human cells do?
1)Move,grow,react,and protect themselves
2)Repair damage and regulate life processes
3)Reproduce

Accepted Answer

A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3 
A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3

Question 5

During mitosis,which phase of the cellular life cycle is the actual DNA synthesis period?

Accepted Answer

A)  G1 
B)  G2 
C)  M 
D)  S 
A)  G1 
B)  G2 
C)  M 
D)  S

Question 6

How many different amino acids are involved in protein synthesis?

Accepted Answer

A)  7 
B)  15 
C)  22 
D)  39 
A)  7 
B)  15 
C)  22 
D)  39

Question 7

Which of the following are compounds called purines?
1)Adenine and cytosine
2)Adenine and guanine
3)Adenine and thymine

Accepted Answer

A)  1 only 
B)  2 only 
C)  3 only 
D)  1, 2, and 3 
A)  1 only 
B)  2 only 
C)  3 only 
D)  1, 2, and 3

Question 8

When RNA is expelled into the cytoplasm,what component in the nucleus assists in the manufacturing of protein?

Accepted Answer

A)  Chromosomes 
B)  DNA 
C)  Nucleolus 
D)  RNA 
A)  Chromosomes 
B)  DNA 
C)  Nucleolus 
D)  RNA

Question 9

Antibodies are protein molecules produced by specialized cells in the bone marrow called:

Accepted Answer

A)  B lymphocytes. 
B)  R lymphocytes. 
C)  megakaryocytes. 
D)  oocytes. 
A)  B lymphocytes. 
B)  R lymphocytes. 
C)  megakaryocytes. 
D)  oocytes.

Question 10

Which of the following is/are considered to be acellular tissue?

Accepted Answer

A)  Bone 
B)  Fat 
C)  Muscle 
D)  Hair and nails 
A)  Bone 
B)  Fat 
C)  Muscle 
D)  Hair and nails

Question 11

Which of the following causes an increase in cellular activity that in turn causes biochemical reactions to occur more rapidly to meet the needs of the cell?

Accepted Answer

A)  Acetic acids 
B)  Enzymes 
C)  Hormones 
D)  Nucleic acids 
A)  Acetic acids 
B)  Enzymes 
C)  Hormones 
D)  Nucleic acids

Question 12

Which of the following is essentially a "protein machine" that segregates chromosomes to two daughter cells during the cell division process?

Accepted Answer

A)  Endoplasmic reticulum 
B)  Mitotic spindle 
C)  Mitochondria 
D)  Golgi apparatus 
A)  Endoplasmic reticulum 
B)  Mitotic spindle 
C)  Mitochondria 
D)  Golgi apparatus

Question 13

The much smaller structures that make up nucleic acids are called:

Accepted Answer

A)  carbohydrates. 
B)  fatty acids. 
C)  nucleotides. 
D)  polysaccharides. 
A)  carbohydrates. 
B)  fatty acids. 
C)  nucleotides. 
D)  polysaccharides.

Question 14

Cytosine bonds only with:

Accepted Answer

A)  adenine. 
B)  guanine. 
C)  nitrogen. 
D)  thymine. 
A)  adenine. 
B)  guanine. 
C)  nitrogen. 
D)  thymine.

Question 15

The steps,or rungs,of the DNA ladder-like structure consist of complementary chemicals that are:

Accepted Answer

A)  acetic acids. 
B)  fatty acids. 
C)  pairs of nitrogenous bases. 
D)  sugar-phosphate compounds. 
A)  acetic acids. 
B)  fatty acids. 
C)  pairs of nitrogenous bases. 
D)  sugar-phosphate compounds.

Question 16

During which of the following subphases of mitosis do the centrioles migrate to opposite sides of the cell and begin to regulate the formation of the mitotic spindle?

Accepted Answer

A)  Anaphase 
B)  Metaphase 
C)  Prophase 
D)  Telophase 
A)  Anaphase 
B)  Metaphase 
C)  Prophase 
D)  Telophase

Question 17

Adenine bonds only with:

Accepted Answer

A)  cytosine. 
B)  guanine. 
C)  hydrogen. 
D)  thymine. 
A)  cytosine. 
B)  guanine. 
C)  hydrogen. 
D)  thymine.

Question 18

Fraternal twins may also be referred to as:

Accepted Answer

A)  dizygotic twins. 
B)  monozygotic twins. 
C)  polyzygotic twins. 
D)  trizygotic twins. 
A)  dizygotic twins. 
B)  monozygotic twins. 
C)  polyzygotic twins. 
D)  trizygotic twins.

Question 19

What is a highly coiled strand that is one of two duplicated portions of DNA in a replicated chromosome that appear during cell division identified as?

Accepted Answer

A)  A centrosome 
B)  A centromere 
C)  A chromatid 
D)  A curl 
A)  A centrosome 
B)  A centromere 
C)  A chromatid 
D)  A curl

Question 20

What should the constant temperature of the human body be?

Accepted Answer

A)  28° C 
B)  37° C 
C)  43° C 
D)  57° C 
A)  28° C 
B)  37° C 
C)  43° C 
D)  57° C

In the human body mineral salts are necessary for: 1)proper cell function. 2)creation of energy. 3)conduction of impulses along nerves.

The cell components that contain the centrioles are the:

Which of the following serves as a prototype for messenger RNA (mRNA)?

In general,which of the following can human cells do? 1)Move,grow,react,and protect themselves 2)Repair damage and regulate life processes 3)Reproduce

During mitosis,which phase of the cellular life cycle is the actual DNA synthesis period?

How many different amino acids are involved in protein synthesis?

Which of the following are compounds called purines? 1)Adenine and cytosine 2)Adenine and guanine 3)Adenine and thymine

When RNA is expelled into the cytoplasm,what component in the nucleus assists in the manufacturing of protein?

Antibodies are protein molecules produced by specialized cells in the bone marrow called:

Which of the following is/are considered to be acellular tissue?

Which of the following causes an increase in cellular activity that in turn causes biochemical reactions to occur more rapidly to meet the needs of the cell?

Which of the following is essentially a "protein machine" that segregates chromosomes to two daughter cells during the cell division process?

The much smaller structures that make up nucleic acids are called:

Cytosine bonds only with:

The steps,or rungs,of the DNA ladder-like structure consist of complementary chemicals that are:

During which of the following subphases of mitosis do the centrioles migrate to opposite sides of the cell and begin to regulate the formation of the mitotic spindle?

Adenine bonds only with:

Fraternal twins may also be referred to as:

What is a highly coiled strand that is one of two duplicated portions of DNA in a replicated chromosome that appear during cell division identified as?

What should the constant temperature of the human body be?

Introduction to Radiation Protection

Radiation: Types, Sources, and Doses Received

Interaction of X-Radiation With Matter

Radiation Quantities and Units

Radiation Monitoring

Molecular and Cellular Radiation Biology

Early Deterministic Radiation Effects on Organ Systems

Late Deterministic and Stochastic Radiation Effects on Organ Systems

Dose Limits for Exposure to Ionizing Radiation

Equipment Design for Radiation Protection

Management of Patient Radiation Dose During Diagnostic X-Ray Procedures

Management of Imaging Personnel Radiation Dose During Diagnostic X-Ray Procedures

Radioisotopes and Radiation Protection

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Exam 6: Overview of Cell Biology

In the human body mineral salts are necessary for: 1)proper cell function. 2)creation of energy. 3)conduction of impulses along nerves.

The cell components that contain the centrioles are the:

Which of the following serves as a prototype for messenger RNA (mRNA)?

In general,which of the following can human cells do? 1)Move,grow,react,and protect themselves 2)Repair damage and regulate life processes 3)Reproduce

During mitosis,which phase of the cellular life cycle is the actual DNA synthesis period?

How many different amino acids are involved in protein synthesis?

Which of the following are compounds called purines? 1)Adenine and cytosine 2)Adenine and guanine 3)Adenine and thymine

When RNA is expelled into the cytoplasm,what component in the nucleus assists in the manufacturing of protein?

Antibodies are protein molecules produced by specialized cells in the bone marrow called:

Which of the following is/are considered to be acellular tissue?

Which of the following causes an increase in cellular activity that in turn causes biochemical reactions to occur more rapidly to meet the needs of the cell?

Which of the following is essentially a "protein machine" that segregates chromosomes to two daughter cells during the cell division process?

The much smaller structures that make up nucleic acids are called:

Cytosine bonds only with:

The steps,or rungs,of the DNA ladder-like structure consist of complementary chemicals that are:

During which of the following subphases of mitosis do the centrioles migrate to opposite sides of the cell and begin to regulate the formation of the mitotic spindle?

Adenine bonds only with:

Fraternal twins may also be referred to as:

What is a highly coiled strand that is one of two duplicated portions of DNA in a replicated chromosome that appear during cell division identified as?

What should the constant temperature of the human body be?

Introduction to Radiation Protection

Radiation: Types, Sources, and Doses Received

Interaction of X-Radiation With Matter

Radiation Quantities and Units

Radiation Monitoring

Molecular and Cellular Radiation Biology

Early Deterministic Radiation Effects on Organ Systems

Late Deterministic and Stochastic Radiation Effects on Organ Systems

Dose Limits for Exposure to Ionizing Radiation

Equipment Design for Radiation Protection

Management of Patient Radiation Dose During Diagnostic X-Ray Procedures

Management of Imaging Personnel Radiation Dose During Diagnostic X-Ray Procedures

Radioisotopes and Radiation Protection

Filters