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WorksheetsBiology Final Exam
Total questions: 88
Worksheet time: 45mins
What can be shown using a Punnett square?
The variations and probabilities that can come from cross breeding.
All other squares
The variations of types that come from babays
The crossbreeding proscess
Why did Gregor Mendel study pea plants?
Because he loved pea plants
Because he could easily control their fertilization by transferring pollen with a small paintbrush.
Because pea plants were the only thing around
Becuase pea plants are known to have better accuracy at showing genotypes
Which ones are Gregor Mendels 3 laws? (Select all that can apply)
law of dominance
law of segregation
law of independent assortment
law of craftmanship
Which one of Gregor's 3 laws is this. When parents with pure, contrasting traits are crossed together, only one form of trait appears in the next generation. The hybrid offsprings will exhibit only the dominant trait in the phenotype.
law of dominance
law of segregation
law of independent assortment
law of craftmanship
Which one of Gregor's 3 laws is this. During the formation of gamete, each gene separates from each other so that each gamete carries only one allele for each gene.
law of dominance
law of segregation
law of independent assortment
law of craftmanship
Which one of Gregor's 3 laws is this. The alleles of two (or more) different genes get sorted into gametes independently of one another. In other words, the allele a gamete receives for one gene does not influence the allele received for another gene.
law of dominance
law of segregation
law of independent assortment
law of craftmanship
How many chromosomes are shown in a human karyotype?
22
23
26
36
What pair of chromosomes represent a normal male?
XX
XY
YY
YXY
What pair of chromosomes represent a normal female?
XX
XY
YY
YXY
A nucleic acid present in all living cells that has structural similarities to DNA
RNA
mRNA
DNA
tRNA
The role of ? is to carry protein information from the DNA in a cell's nucleus to the cell's cytoplasm
RNA
mRNA
DNA
tRNA
mRNA stands for
Messanger RNA
Molecules RNA
Many RNA
Membrane RNA
tRNA stands for
Transfer RNA
Tissue RNA
Translate RNA
Trait RNA
rRna stands for
Ribosomal RNA
Radical RNA
Right RNA
Rad RNA
? is a small RNA molecule that plays a key role in protein synthesis. It serves as a link between the messenger RNA molecule and the growing chain of amino acids that make up a protein.
tRNA
mRNA
RNA
DNA
? is a type of non-coding RNA which is the primary component of ribosomes, essential to all cells. It is a ribozyme which carries out protein synthesis in ribosomes.
rRNA
mRNA
tRNA
DNA
What are the 3 sets of codons that code for translation to stop? ( Select all that apply)
UAG
UAA
UGA
UGU
What is the difference of DNA and RNA?
RNA is used for genotype while DNA is used for phenotype
RNA contains a slightly different sugar deoxyribose, while DNA contains the sugar ribose
RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose
RNA is used for phenotype while DNA is used for genotype
? is the process of creating protein molecules
Protein synthesis
mRNA
Punnet squares
Protein pathway
Transcription occurs in the ?
nucleus
cytoplasm
membrane
lungs
Translation occurs in the ?
cytoplasm
nucleus
membrane
mind
How many bases make up one amino acid?
12
3
1
10
Why is colorblindness more common in males than females?
Because males carry only 1 X chromosomes
Because it is an genetic trait that got only passed down from males
Because males have a special trait that causes colorblindess
Because males only have 2 chromosomes rather than 4
? is when the phenotypes of the two parents blend together to create a new phenotype for their offspring.
Codominance
Incomplete dominance
? is when the two parent phenotypes are expressed together in the offspring
Codominance
Incomplete dominance
A white flower and a red flower producing pink flowers is an example of?
Codominance
Incomplete dominance
What is karyotype?
A karyotyoe is a males set of chromosomes
A karyotype is a set of genes
A karyotype is an individual's complete set of chromosomes
A karyotype is what determines what someone looks like
The typical human karyotypes contain 22 pairs of autosomal chromosomes and one pair of sex chromosomes (allosomes).
True
False
How many chromosomes are shown in a human karyotype?
23
46
12
24
What kind of mutation caused a person to have sickle cell disease?
Mutations in the HBB gene cause sickle cell disease.
Mutations in the HCB gene cause sickle cell disease
Mutations in the HDD gene cause sickle cell disease
Mutations in the HDH gene cause sickle cell disease
What is in a nucleotide of DNA?
A set of genes
A sugar molecule attached to a phosphate group and a nitrogen-containing base.
The genes from DNA are in the nucleotide
The nucleotide collects the sugar from your body
What is the start codon for protein synthesis
AUG
AGU
ABU
AGU
How many bases are needed to specify three amino acids?
9
5
12
13
the mutation of the chromosomal segments of the DNA strands
chromosomal mutation
point mutation
frameshift mutation
a mutation affecting only one or very few nucleotides in a gene sequence.
chromosomal mutation
point mutation
frameshift mutation
mutation is a genetic mutation caused by indels of a number of nucleotides in a DNA sequence that is not divisible by three
chromosomal mutation
point mutation
frameshift mutation
? is the failure of homologous chromosomes or sister chromatids to separate properly during cell division.
nondisjunction
hybrid (hybridization)
genetic engineering
the process of producing offspring by mating two parents from different varieties or species
nondisjunction
hybrid (hybridization)
genetic engineering
a process that uses laboratory-based technologies to alter the DNA makeup of an organism.
nondisjunction
hybrid (hybridization)
genetic engineering
the exchange of DNA between paired homologous chromosomes that occurs during the development of egg and sperm cells (meiosis).
Crossing over
Meiosis
Genes
DNA
The purpose of ? is to determine the probable identity of a person based on the nucleotide sequences of certain regions of human DNA that are unique to individuals.
RNA fingerprinting
DNA fingerprinting
blood tests
The human egg has ______ chromosomes and human sperm has________ chromosomes.
23;23
46;46
12;12
13;23
Sickle cell disease is caused by a mutation in the hemoglobin-Beta gene found on chromosome 11
True
False
_______ refers to the presence of a single set of chromosomes in an organism's cells while ______ refers to the presence of two complete sets of chromosomes in an organism's cells
Haploid; Diploid
Diploid; Haploid
Meiosis results in ___# of cells whereas Mitosis results in _____ # of cells.
4 daughter cells; 2 identical daughter cells
2 daughter cells; 4 identical daughter cells
1 daughter cells; 2 identical daughter cells
6 daughter cells; 2 identical daughter cells
How many different allele combinations would be found in the gametes produced by a pea plant whose genotype was RrYY?
3
2
4
5
All of these are sources of genetic variation in an population except
Mutations
gene flow
sexual reproduction
cell production
Each pea-plant gamete has how many alleles for the height gene?
1
2
3
4
What evidence do we have to support that Evolution is a theory? Select all that apply
ancient organism remains
fossil layers
similarities among organisms alive today
similarities of embryos
similarities in DNA
What is evolution?
The change in heritable traits of biological populations over successive generations.
The study of plants and animals
A biology study used to analysis human body
The stage where animals and plants came alive
What are the 4 key points for evolution the occur?
the potential for a species to increase in number
the genetic variation of individuals in a species due to mutation and sexual reproduction
The animal and plant size in genetic variation
The differential survival and reproduction of individuals due to differences in phenotype.
Natural selection
evolution
inheritance of traits
genetic variation
Natural selection is the process through which populations of living organisms adapt and change.
False
True
? is a mode of natural selection in which members of one biological sex choose mates of the other sex to mate with, and compete with members of the same sex for access to members of the opposite sex.
Natural selection
sexual selection
artificial selection
predator selection
? is the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.
Natural selection
sexual selection
artificial selection
predator selection
Instead of favoring individuals with extreme phenotypes, ? favors the intermediate variants.
Stabilizing selection
directional selection
disruptive selection
? is a mode of negative natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.
Stabilizing selection
directional selection
disruptive selection
? is a specific type of natural selection that actively selects against the intermediate in a population, favoring both extremes of the spectrum.
Stabilizing selection
directional selection
disruptive selection
How do new species come along?
Speciation
Natural selection
evolution
DNA
What is speciation?
the evolutionary process by which populations evolve to become distinct species
A part of a process where animals form
The main type of individuals living in an organism
How do we classify species using a dichotomous key
identify different organisms, based the organism's observable traits.
The key opens a door to classify animals
What is the function of the cell membrane?
The cell membrane regulates the transport of materials entering and exiting the cell.
The cell membrane tracks down what enters the human body
The cell membrane is the process by which animals eat
? requires energy for the movement of molecules whereas ? does not require energy for the movement of molecules.
Active transport; passive transport
Passive transport; active transport
In what do particles move from an area of higher concentration to one of lower concentration until equilibrium is reached
osmosis
diffusion
transport
translation
In what a semipermeable membrane is present, so only the solvent molecules are free to move to equalize concentration.
osmosis
diffusion
transport
translation
If a cell is placed in a ? solution, water will leave the cell, and the cell will shrink.
hypertonic
isotonic
hypertonic
In an ? environment, there is no net water movement, so there is no change in the size of the cell.
hypertonic
isotonic
hypertonic
When a cell is placed in a ? environment, water will enter the cell, and the cell will swell.
hypertonic
isotonic
hypertonic
Which ones are in the correct order and part of the cell cycle
Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis
Telophase
Interphase
Prophase
Metaphase
Anaphase
Cytokinesis
Metaphase
Anaphase
Telophase
Interphase
Prophase
Cytokinesis
Metaphase
Telophase
Anaphase
Interphase
Prophase
Cytokinesis
Which cell phase does this happen; it grows, replicates its chromosomes, and prepares for cell division
Interphase
Anaphase
Metaphase
Prophase
Which cell phase does this happen; separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.
Interphase
Anaphase
Metaphase
Prophase
Which cell phase does this happen; the nucleus dissolves and the cell's chromosomes condense and move together, aligning in the center of the dividing cell.
Interphase
Anaphase
Metaphase
Prophase
Which cell phase does this happen; each pair of chromosomes is separated into two identical, independent chromosomes.
Interphase
Anaphase
Metaphase
Prophase
Which cell phase does this happen; the chromosomes arrive at the cell poles, the mitotic spindle disassembles, and the vesicles that contain fragments of the original nuclear membrane assemble around the two sets of chromosomes.
Interphase
Telophase
Metaphase
Prophase
Which cell phase does this happen; separate the cell in half and ensure that one nucleus ends up in each daughter cell.
Interphase
Telophase
Cytokinesis
Prophase
What is DNA replication?
is the process by which DNA makes a copy of itself during cell division.
is he process by which DNA gets to go to the body
is the process by which humans could breath
is the process by which humans get blood in their body
What is the outcome of mitosis?
4 daughter cells
two identical daughter cells
2 son cells
sex cells
Cytokinesis is the final event of the cell division cycle, and its completion results in irreversible partition of a mother cell into two daughter cells.
True
False
? is the state of steady internal, physical, and chemical conditions maintained by living systems.
Homeostasis
Translation
Feedback mechanism
? feedback is amplifying or magnifying the change or output.
Postive
Negative
? feedback is when the product of a reaction leads to a decrease in that reaction.
Postive
Negative
nucleus, endoplasmic reticulum, Golgi bodies, vacuoles, mitochondria, chloroplasts and lysosomes
eukaryotic cell.
Prokaryotic cells
? have a membrane-bound nucleus and ? do not.
eukaryotic cells;prokaryotic cells
prokaryotic cells; eukaryotic cells
? have a cell wall, but ? do not.
Plant cells; animal cells
Animal cells; plant cells
carry out photosynthesis
chloroplast
nucleus
mitochondria
ribosomes
controls and regulates the activities of the cell and carries the genes, structures that contain the hereditary information.
chloroplast
nucleus
mitochondria
ribosomes
generating most of the ATP in the cell
chloroplast
nucleus
mitochondria
ribosomes
the site of protein synthesis in the cell
chloroplast
nucleus
mitochondria
ribosomes
