Bio Quiz 8A
Biological Sciences 101 with Blaezer at Illinois State University
About this deck
By: Chris Roehl
Created: 2011-04-04
Size: 21 flashcards
Views: 11
Created: 2011-04-04
Size: 21 flashcards
Views: 11
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The repeating DNA sequences used in DNA evidence are known as _____________.
a. Microsatellites
b. Nucleotides
c. Bases
d. Deoxyribose
e. Minisequences
b. Nucleotides
c. Bases
d. Deoxyribose
e. Minisequences
The percentage of coding sequence of the human genome is approximately _______.
a. 3%
b. 6%
c. 12%
d. 21%
e. 45%
b. 6%
c. 12%
d. 21%
e. 45%
A typical gene in the human genome can be identified by the _______________.
a. Open reading frame
b. Open gene structure
c. Closed reading frame
d. Gene signature
e. Close gene structure
b. Open gene structure
c. Closed reading frame
d. Gene signature
e. Close gene structure
The newly synthesized RNA molecule must go through a step in the cell nucleus known as RNA processing to remove the ___________.
a. Introns
b. Exons
c. Transformers
d. Telomeres
e. Transposons
b. Exons
c. Transformers
d. Telomeres
e. Transposons
Nucleotides are the basic unit of DNA, they contain a base, phosphate, and __________.
a. Deoxyribose
b. Deoxy fatty acid
c. D-glucose
d. Ribose
e. Hexose
b. Deoxy fatty acid
c. D-glucose
d. Ribose
e. Hexose
During DNA replication, the initiating point is known as the _____________.
a. Replication origin
b. Promoter
c. Operator
d. Initiator
e. Starting point
b. Promoter
c. Operator
d. Initiator
e. Starting point
Insertion or deletion of nucleotides in non-multiples of 3 causes the type of mutation known as ______________.
a. Missense mutation
b. Offsense mutation
c. Nonsense mutation
d. Frameshift mutation
e. Wildsense mutation
b. Offsense mutation
c. Nonsense mutation
d. Frameshift mutation
e. Wildsense mutation
Most weakly beneficial mutations are likely to be the result of ________________.
a. Frameshift mutation
b. Conservative base substitution
c. Non conservative base substitution
d. Nonsense mutation
e. Missense mutation
b. Conservative base substitution
c. Non conservative base substitution
d. Nonsense mutation
e. Missense mutation
The occurrence of mutation in the human genome is ________________.
a. A random process
b. Focused on gene coding sequences
c. Primarily in regulatory sequences
d. In the DNA repeats
e. In the telomeres
b. Focused on gene coding sequences
c. Primarily in regulatory sequences
d. In the DNA repeats
e. In the telomeres
Heritable mutation are mutations that occur in _______________.
a. Gametes
b. Muscle cells
c. Skin cells
d. Pancreatic cells
e. All of the above
b. Muscle cells
c. Skin cells
d. Pancreatic cells
e. All of the above
The mutated allele in ___________ acts as a recessive allele, which can be compensated by the normal allele.
a. Familial Alzheimer’s disease
b. Tay-Sach’s disease
c. Familial breast cancer
d. Huntington’s disease
e. None of above
b. Tay-Sach’s disease
c. Familial breast cancer
d. Huntington’s disease
e. None of above
In a genetic disease with 75% penetrance, 75% of the individuals with the disease allele will develop the disease, ____ will not.
a. 5%
b. 10%
c. 15%
d. 20%
e. 25%
b. 10%
c. 15%
d. 20%
e. 25%
Environmental and behavior modifiers are likely to affect genetic disorders such as ___________.
a. Hypertension
b. High blood cholesterol
c. Type 2 diabetes
d. Breast cancer
e. All of the above
b. High blood cholesterol
c. Type 2 diabetes
d. Breast cancer
e. All of the above
Most genes have many different alleles, which are the results of __________.
a. Random mutation
b. Gene duplication
c. Transcription errors
d. Translational modifications
e. Site-specific mutation
b. Gene duplication
c. Transcription errors
d. Translational modifications
e. Site-specific mutation
Biological fitness includes _____________.
a. Survival
b. Finding mating partners
c. Reproduce successfully
d. Raise fertile offspring
e. All of the above
b. Finding mating partners
c. Reproduce successfully
d. Raise fertile offspring
e. All of the above
The heterozygous advantage of the sickle cell anemia allele is due to the advantage of carriers to resist________.
a. Malaria
b. Yellow fever
c. HIV
d. Type 1 diabetes
e. Bubonic plague
b. Yellow fever
c. HIV
d. Type 1 diabetes
e. Bubonic plague
The improved biological fitness of an individual due to genetic differences of its parents is known as _____________.
a. Hybrid vigor
b. Inbreeding depression
c. Outbreeding depression
d. Outbreeding advantage
e. Hybrid enhancement
b. Inbreeding depression
c. Outbreeding depression
d. Outbreeding advantage
e. Hybrid enhancement
Human skin color is determined by the pigment production of _____________.
a. Melanocytes
b. Skin fibroblasts
c. Erythrocytes
d. Skin epithelial cells
e. Skin macrophages
b. Skin fibroblasts
c. Erythrocytes
d. Skin epithelial cells
e. Skin macrophages
Low UV light exposure reduces synthesis of vitamin D, leading to ___________.
a. Neural tube defect
b. Calcium deficiency
c. Night blindness
d. Rickets
e. Pellagra
b. Calcium deficiency
c. Night blindness
d. Rickets
e. Pellagra
The change in allele frequency due to mate choice in breeding practice is known as ____________.
a. Natural selection
b. Sexual selection
c. Artificial selection
d. Allele expression
e. Gene selection
b. Sexual selection
c. Artificial selection
d. Allele expression
e. Gene selection
Anatomically modern human species (Homo sapiens sapiens) suffered a ___________ about 120,000 years ago.
a. Population bottleneck
b. Cultural bottleneck
c. Population isolation
d. Island effect
e. Artificial isolation
b. Cultural bottleneck
c. Population isolation
d. Island effect
e. Artificial isolation
About this deck
By: Chris Roehl
Created: 2011-04-04
Size: 21 flashcards
Views: 11
Created: 2011-04-04
Size: 21 flashcards
Views: 11
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“Simply amazing. The flash cards are smooth, there are many different types of studying tools, and there is a great search engine. I praise you on the awesomeness.”
Dennis
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