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Final 16-17 Module 2 Part 1
Test Description: Practice questions.
Instructions: Answer all questions to get your test result.
1) Which statement describes a cell process that is common to both eukaryotic and prokaryotic cells?
A
Both cell types assemble amino acids to carry out transcription.
B
Both cell types use ribosomes to carry out translation.
C
Both cell types carry out transcription the nucleus.
D
Both cell types carry out translation in the endoplasmic reticulum.
2) An organism inherited one version of a trait from one parent and another version from the other parent. A blend of the traits are expressed in the phenotype of the offspring.Which pattern of inheritance best classifies this trait?
A
co-dominance
B
sex-linked
C
incomplete dominance
D
dominance
3) A genetic mutation involving a single base causes an error that affects the sequence of the next 500 amino acids in a protein. Which type of mutation could have produced this type of error in the protein?
A
substitution
B
silent
C
frameshift
D
nonsense
4) Mitosis and meiosis are processes by which animal and plant cells divide, which statement best describes a difference between mitosis and meiosis?
A
Mitosis produces genetically identical daughter cells
B
Meiosis is used in the repair of an organism
C
Meiosis is a multi-step process
D
Mitosis occurs only in eukaryotic cells
5) Overuse of antibiotics has caused antibiotic resistance in some bacteria in a population. Which statement describes the most likely impact of natural selection on the bacterial population?
A
Beneficial mutations have decreased, resulting in larger population than normal.
B
More antibiotic-resistant bacteria have survived, resulting in more offspring with this trait.
C
Only the genes for antibiotic resistance are now expressed, eliminating other genes.
D
The bacteria have become genetically isolated, resulting in decreased reproductive rates.
6) ________ of DNA produces _________
A
Transcription: Messenger RNA
B
Translation: ribosomal RNA
C
Transcription: ribosomal RNA
D
Translation: messenger RNA
7) Which example describes a mutualistic relationship between organisms?
A
Crabs eat the remains of dead fish.
B
Ants protect a tree on which they feed.
C
Young wasps prey on caterpillars.
D
Tapeworms feed on food in the intestines of cats.
8) Which of the following is an example of a community?
A
Living things + Trail
B
Group of deer
C
Deer + Frogs + Humans + Dogs
D
Temperate deciduous forest
9) Which of the following is an example of a biome?
A
Group of deer
B
Temperate deciduous forest
C
Deer + Frogs + Humans + Dogs
D
Living things + trail
10) Which of the following is most likely a hypothesis?
A
The pots, water, and temperature are held constant.
B
The amount of radiation is what is being changed.
C
Exposure to radiation would limit the seed's ability to germinate.
D
The number of seeds that germinated is being measured.
11) A cell begins with 46 chromosomes. After cell division, the daughter cells each have 23 chromosomes. Which statement below is true of this process?
A
This is binary fission because the chromosome number was doubled in the new cells.
B
This is conjugation because the chromosome number was doubled in the new cells.
C
This is meiosis because the chromosome number was cut in half in the new cells.
D
This is mitosis because the chromosome number was cut in half in the new cells.
12) tRNA brings amino acids to the ribosome which reads the mRNA and produces a protein based on the mRNA code. Which process is this?
A
osmosis
B
replication
C
translation
D
meiosis
13) Vestigial structures, such as hip bones in whales and appendixes in humans, are those that have little or no function for the organism. What is the most likely reason for this loss of function over time?
A
The structure was not highly beneficial to the organism
B
The organism is experiencing genetic drift
C
The organism is undergoing speciation
D
The structure was over utilized by the organism
14) _______ used to identify a person at the molecular level using parts of their DNA for legal cases, paternity disputes, or victims of catastrophes.
A
DNA fingerprinting
B
Genomics
C
Cloning
D
Genetic engineering
15) Which of the following is true for Meiosis II, not for Meiosis I?
A
It separates sister chromatids
B
It produces haploid cells
C
It separates homologous chromosomes
D
It goes through prophase, metaphase, anaphase, and telophase
16) A forest fire destroys and area of forest. Over time, the forest regrows. What type of succession does this represent?
A
Primary succession, because the ecosystem is new.
B
Secondary succession, because the ecosystem is being recreated.
C
Primary succession, because the ecosystem is being recreated.
D
Secondary succession, because the ecosystem is new.
17) When one chromosome swaps pieces with a completely different one. What type of change in chromosome composition is described?
A
translocation
B
insertion
C
deletion
D
inversion
18) Which sequence below correctly transcribes and translates the following sequence of DNA? TAC AGA
A
AUG UCU then Met-Ser
B
ATG TCT then AUG UCU
C
GTA TCT then AUG UCU
D
ATG TCT then Met-Ser
19) Which statement correctly describes how nitrogen in the soil returns to the atmosphere?
A
Plants assimilate nitrites and convert them into nitrogen gas.
B
Nitrogen-fixing bacteria in plant roots convert nitrates into nitrogen gas.
C
Decomposers directly convert ammonium into nitrogen gas.
D
Soil bacteria convert nitrates into nitrogen gas.
20) Which statement best describes the relationship between an allele and a gene?
A
An allele is the part of a gene that attaches to messenger RNA molecules
B
An allele is a segment of a DNA molecule that controls replication of a gene
C
An allele is the primary protein made by a gene found in a developing embryo.
D
An allele is a variation of a genet that can be expressed as a phenotype
*select an answer for all questions
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