Biology B- Final Exam Review
What types of organisms/cells use DNA as the instructions to build proteins? -correct answer - All living
things
The information that is passed from parents to offspring is in the form of (hint: these are regions located
on the chromosomes that have information for specific traits). -correct answer - Genes
The basic structure of DNA is in the shape of a (hint: the scientific name for its shape) -correct answer -
Double helix
A portion of one strand of DNA is shown here: TAGCCGT Assuming there are no mutations, what will the
complementary DNA sequence look like (Hint: the opposite side of strand -correct answer - ATCGGCA
According to Chargaff's Rule, if a species has approximately 8 million Adenines, it should have the same
number of _________ as well -correct answer - Thymines
Sickle Cell Anemia is a disease caused when the codon GAG changes to become GTG. This Change in the
DNA sequence is known as a -correct answer - Mutation
List 3 Things that can causes changes in your DNA sequence -correct answer - A. smoking
B. UV radiation
C. X-Rays
The part indicated by arrow X is a _______ ______. It could be either -correct answer - Nitrogen Base
&& adenine,thymine,cytosine,&&guanine
Mutations are changes in changes in the DNA sequence -correct answer - True
Mutation ALWAYS affect phenotype of an organism -correct answer - False- Sometimes
, Mutations are ALWAYS harmful of an organism. -correct answer - False-sometimes
Mutations are natural processes that happen every day. -correct answer - False, they do produce
diversity
AATTAG ——> AATAG -correct answer - Deletion Explain A "T" Got Deleted
CCCGAG—> CCCGGG -correct answer - Substitution Explain: A "G" replaced the "A"
GTAGTA—-> GTAGTAA -correct answer - Insertion Explain: An "A" got added @ the end
Show the flow of Genetic information -correct answer - DNA —> RNA —> Proteins
Uncontrolled cell division can lead to what disease -correct answer - Cancer
The type of cell division shown below -correct answer - Meiosis
Which of the cells in the graph below is mostly likely cancerous? && How can you tell? -correct answer -
A, continues to reproduce
Differentiate between how identical and fraternal twins form. -correct answer - (Identical- 1 sperm/ 1
egg) ( Fraternal- 2 sperm/ 2 eggs
What are the chances of having a boy/girl with each pregnancy? Does this change as a woman has more
and more children -correct answer - 50% && No
The series of cell division that occurs after the sperm fertilizes the egg is known as -correct answer -
Mitosis
What types of organisms/cells use DNA as the instructions to build proteins? -correct answer - All living
things
The information that is passed from parents to offspring is in the form of (hint: these are regions located
on the chromosomes that have information for specific traits). -correct answer - Genes
The basic structure of DNA is in the shape of a (hint: the scientific name for its shape) -correct answer -
Double helix
A portion of one strand of DNA is shown here: TAGCCGT Assuming there are no mutations, what will the
complementary DNA sequence look like (Hint: the opposite side of strand -correct answer - ATCGGCA
According to Chargaff's Rule, if a species has approximately 8 million Adenines, it should have the same
number of _________ as well -correct answer - Thymines
Sickle Cell Anemia is a disease caused when the codon GAG changes to become GTG. This Change in the
DNA sequence is known as a -correct answer - Mutation
List 3 Things that can causes changes in your DNA sequence -correct answer - A. smoking
B. UV radiation
C. X-Rays
The part indicated by arrow X is a _______ ______. It could be either -correct answer - Nitrogen Base
&& adenine,thymine,cytosine,&&guanine
Mutations are changes in changes in the DNA sequence -correct answer - True
Mutation ALWAYS affect phenotype of an organism -correct answer - False- Sometimes
, Mutations are ALWAYS harmful of an organism. -correct answer - False-sometimes
Mutations are natural processes that happen every day. -correct answer - False, they do produce
diversity
AATTAG ——> AATAG -correct answer - Deletion Explain A "T" Got Deleted
CCCGAG—> CCCGGG -correct answer - Substitution Explain: A "G" replaced the "A"
GTAGTA—-> GTAGTAA -correct answer - Insertion Explain: An "A" got added @ the end
Show the flow of Genetic information -correct answer - DNA —> RNA —> Proteins
Uncontrolled cell division can lead to what disease -correct answer - Cancer
The type of cell division shown below -correct answer - Meiosis
Which of the cells in the graph below is mostly likely cancerous? && How can you tell? -correct answer -
A, continues to reproduce
Differentiate between how identical and fraternal twins form. -correct answer - (Identical- 1 sperm/ 1
egg) ( Fraternal- 2 sperm/ 2 eggs
What are the chances of having a boy/girl with each pregnancy? Does this change as a woman has more
and more children -correct answer - 50% && No
The series of cell division that occurs after the sperm fertilizes the egg is known as -correct answer -
Mitosis
