Answer:
Cells
Explanation:
Viruses attack the body's cells in order to weaken the body ._.
Which of the following does not result to genetic variation and changes in gene frequency?
a. no gene flow
b. a typhoon that killed individuals belonging to a population composed of five alleles for a certain gene
c. a group of individuals isolating themselves from a larger population
d. modifications or changes in the specific DNA sequence of an organism
Answer:
a. no gene flow
Ecosystem ________________ is anything that disrupts the homeostasis of an ecosystem.
A. disturbance
B. resistance
C. resilience
D. respiration
Answer quickly please
How does the frequency of a wave relate to the energy of the wave?
Answer:
the higher the frequency and the higher amplitude, the more energy there is.
Explanation:
waves carry energy uh The higher the frequency, the shorter the wavelength. The relationship between wavelength and frequency is called an inverse relationship, because as the frequency increases, the wavelength decreases.
Explain how the liver is involved in regulating the composition of the blood and in protecting the body against toxic substances
Answer:
The liver regulates most chemical levels in the blood and excretes a product called bile. This helps carry away waste products from the liver. All the blood leaving the stomach and intestines passes through the liver.
Highland Village, Texas, has implemented a program that involves parents working with police to guide at-risk young people. If a young person is caught committing a petty
crime, police work with their parents to decide on a punishment that the parents can enforce. What kind of police program is this an example of?
OA specific deterrence program
OB. community policing program
OC due process method program
OD. police-community relationship program
The kind of police program is an example of a police-community relationship program. Thus, option "D" is correct.
What is community policing?Community policing is an organizational philosophy that encourages the methodical use of problem-solving and partnership tactics to address the underlying conditions that lead to public safety issues like;
Social disorderCrimeFear of crimeThus, option "D" is correct.
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Within a phase, a change in heat causes the temperature of the substance to _____ as the _____ energy of the molecules changes. During a phase change, however, a change in heat causes a change in the _____ energy of the molecules and the temperature will _____.
Within a phase, a change in heat causes the temperature of the substance to change as the kinetic energy of the molecules changes. During a phase change, however, a change in heat causes a change in the potential energy of the molecules and the temperature will stay the same.
What is Potential energy?Potential energy may be defined as a form of accumulated energy that relies upon the comparative situation of diverse parts of a system.
The above passage determines the differentiation between the kinetic and potential energies with respect to temperature and phase change.
Therefore, it is well described above.
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Which of the following best explains the impact urbanization has on the carbon cycle? (4 points)
An increase in the population results in the depletion of groundwater, causing sinkholes to occur.
Decaying organic matter increases in landfills, which increases the amount of carbon dioxide in the atmosphere.
Human-made structures absorb solar radiation and cause an acceleration of the greenhouse effect.
Increased runoff causes soil to erode and prevents the growth of vegetation.
The option that best describes the impact of urbanization on carbon cycle is : ( B ) Decaying organic matter increases in landfills, which increases the amount of carbon dioxide in the atmosphere.
Effects of the organic matter on the environmentWhen organic matter decays, this leads to an increase in landfills and as the landfills increases there is also a corresponding increase in the amount in the carbon dioxide which will be released into the atmosphere.Also an increase in the population of an area does not result in the increase of carbon dioxide in the atmosphere.
Hence we can conclude that The option that best describes the impact of urbanization on carbon cycle is Decaying organic matter increases in landfills, which increases the amount of carbon dioxide in the atmosphere.
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How does the Foucault Pendulum show that the Earth rotates?
The Foucault Pendulum show that the Earth rotates because the pendulum would swing so slowly that it would appear to change direction as the Earth moved away.
How does the Foucault pendulum work?The Foucault pendulum was able to demonstrate experimentally that the Earth revolves around itself with an angular velocity Ω, in a period of 23 hours, 56 minutes and 4 seconds.
Thus, Foucault knew that the longer the string attached to the weight, the slower the swing of his pendulum. He could attach the string above to an almost frictionless pin, and if he used a very large weight, the pendulum would swing so slowly that it would appear to change direction as the Earth moved away.
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In a certain population of rabbits, the allele for brown fur
is dominant over the allele for white fur. If 10 out of 100
rabbits have white fur, what is the allele frequency for
the recessive allele?
The Hardy-Weinberg equation is:
[homozygous dominant]2 + 2[heterozygous] +
[homozygous recessive]- = 1
• A. 0.32
• B. 0.10
• C. 0.95
• D. 0.90
SUBMIT
The allele frequency for the recessive allele is B. 0.10. Thus, option "B" is correct.
How, explain your answer?The Hardy-Weinburg equation is p + q = 1, or p^2 + 2pq + q^2 = 1, where p is dominant and q is recessive.
If 10 out of 100 rabbits have white fur, 10% of the rabbits have white fur. Therefore, 90% of the rabbits have brown fur, which can be substituted into the first equation to becoming 0.9 + 0.1 = 1. Now that we know what p and q equal, we can solve the rest of the equation.
0.9^2 = 0.81
0.9 * 0.1 * 2 = 0.18
0.1^2 = 0.01
Therefore, the allele frequency of the recessive allele is 0.1.
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Do you find one producer to be dominant? Why might one producer be dominant over another?
Market dominance is influenced by elements such as market share, brand awareness, pricing power and entry barriers.
If a manufacturer has a fairly large market share, a solid brand reputation, and devoted consumers, they can be considered dominant. Economies of scale can also aid in dominance, by allowing for cheaper production costs and competitive pricing.
New competitors may be discouraged by entry barriers such as costly financing requirements or proprietary technology. Market dominance may change over time, due to changes in consumer preferences or technological advances. To establish a fair market and prevent a single producer from abusing its dominant position, competition and regulatory measures are important.
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Please please i really need the answer now
Which of these is one of the conditions for Hardy-Weinberg equilibrium?
A. Organisms must choose mates.
B. Mutation must occur.
C. Immigration must occur.
D. The population must be infinitely large.
Answer:
D. the population must be indefinitely large
Which change to the chromosome causes Robertsonian translocation?
part of the chromosome breaks off, causing missing genes on the chromosome
movement of genes on the same chromosome
duplication of genes on the same chromosome
arms of the chromosome are unproportioned, with extra or missing genetic material
Arms of the chromosome are unproportioned, with extra or missing genetic material is the change to the chromosome causes Robertsonian translocation. Thus, the correct option is D.
What is Robertsonian translocation?Acrocentric chromosomes are affected by a Robertsonian translocation. The narrow region where both halves of an acrocentric chromosome unite lies at the end of the chromosome in an acrocentric chromosome.
Acrocentric chromosomes fuse together in a Robertsonian translocation. Two "long arms" of DNA are fused together in this process. Because the ends of their short arms have comparable repetitive DNA sequences that predispose them to fusion, only chromosomes 13, 14, 15, 21, and 22 are involved in this form of translocation.
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Answer:
dddddddddddddddddddddddd
Explanation:
dddddddddddddddddd
explain micronutrients
Answer:
Micronutrients are vitamins and minerals needed by the body in very small amount
Explanation:
because the definition match
Dna telomerase is one of the last enzymes
used in dna replication.
what does dna telomerase do for dna
replication?
a. adds base pairs during replication
b. unwinds the dna helix at the start of replication
c. adds a tail to the dna strand at the end of replication
d. adds the backbone to the new strands during replication
DNA telomerase adds a tail to the DNA strand at the end of replication. Thus, the correct option is C.
What is DNA replication?DNA replication may be defined as a biological process in which the genome's DNA is duplicated in cells. It is completed in three steps, i.e. initiation, elongation, and termination.
DNA telomerase is an essential enzyme in DNA replication that augments the ends by duplicating the RNA template and extending one end of the chromosome.
Therefore, the correct option for this question is C.
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Answer: c. adds a tail to the dna strand at the end of replication
Explanation:
Why are seeds an evolutionary advantage for seed plants?
Seeds allow for the transport of water and nutrients.
Seeds develop into adults without s x u a l reproduction.
Seeds protect the plant embryo and its food source.
Seeds provide the materials for photosynthesis.
The seeds an evolutionary advantage for seed plants because seeds develop into adults without sxual reproduction which means letter B.
What is the evolutionary importance of the seed?Seeds play an important role in the dispersion of plant species, that is, they ensure that plants spread throughout the environment. In addition to guaranteeing a greater area of domain for the species, competition between the newly born plant and the mother plant is also avoided.
Seeds allow the expansion of a type of plant around the world in addition to being a form of asexual reproduction that makes it unnecessary to join gametes.
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Real answer is c good luck guys
Stage of photosynthesis
Answer:
1.we exhale carbon dioxide while the plants inhale it
2.sunlight gets absorbed through leaves
3.plants take water up their roots
4.in return we get oxygen and the plants get glucose (or sugar to survive
reactants products
H2O+Sunlight+CO2==========>Glucose+O2
why were different organisms found on each island of the Galapagos?
Answer:
Their sunny equatorial position on the globe combined with their location amid the cool Humboldt and Cromwell ocean currents allows these special islands to display a strange mix of both tropical and temperate environments
Explanation:
I believe this is correct :')
The C variant is dominant to the c variant for the c gene. If one were to mate a CC individual with a cc individual, which of the following statements is true regarding their offspring?
A
All offspring will be cc.
B
All offspring will be CC.
C
All offspring will be Cc.
D
It is not possible to predict from this informat
All offspring will be Cc if one were to mate a CC individual with a cc individual and is denoted as option C.
What is Offspring?This is defined as the young creation of organisms which is gotten during mating of parents.
When a homozygous dominant and homozygous recessive mates, the offspring produced will all be heterozygous(Cc).
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One hundred and twenty offspring are counted in a genetic cross. Ninety appear to show the dominant phenotype and thirty appear recessive. What are the most likely genotypes of the parents?
The most likely genotypes of the parents are Aa, Aa.,the parents genotypes will most likely be homozygous.
What are genotypes?The alleles or variations that an individual possesses in a given gene or genetic location are referred to as genotype.
Because the alleles in the pair are the identical,both dominant or both recessive, the word "homozygous" is used to characterize the pairings "AA" and "aa."
In a genetic cross, one hundred and twenty offspring are tallied. Ninety appear to have the dominant phenotype, whereas thirty appear to have the recessive phenotype.
Hence,the parents' genotypes will most likely be homozygous ("AA" and "aa.")
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What is the largest species of sea turtle in the world.
Answer:
The leatherback turtle
Explanation:
The Leatherback is the largest sea turtle existing today, which can reach up to 2000 pounds in weight and 8 feet in size.
Which of the following occurs when the evolutionary effects of genetic drift is the greatest?
The population size is small
The population size is large
$exual selection occurs
Intraspecific competition is weak
Answer:
The population size is small
Explanation:
Genetic drift is a mechanism of evolution in which allele frequencies of a population change over generations due to chance (sampling error). Genetic drift occurs in all populations of non-infinite size, but its effects are strongest in small populations.
Answer:
The population size is small.
Explanation:
The propagation of an action potential along the plasma membrane of a cell is dependent on the presence of
The propagation of an action potential across the plasma membrane of a cell depends on the presence of propagating electrical impulses.
What is a membrane action potential?The nerve impulse (or action potential) is a rapid change in the electrical potential of the membranes of neurons. For brief moments (few milliseconds) the electrical charge inside the nerve cell becomes more positive than the outside.
With this information, we can conclude that the propagation of an action potential across the plasma membrane of a cell depends on the presence of propagating electrical impulses.
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The austrian monk whose experiments with pea plants were the beginning of our understanding of genetics was:.
The central point that is used when the abdomen is divided into four quadrants is the:.
The central point which is described as the abdomen is categorized into four quadrants is the abdominopelvic quadrants.
What are abdominopelvic quadrants?The abdominal region is generally divided into quadrants, which is referred to as abdominopelvic quadrants.
The four abdominopelvic quadrants are as follows:
Right-upper quadrant (RUQ).Left-upper quadrant (LUQ).Right-lower quadrant (RLQ).Left-lower quadrant.Thus, The central point which is described as the abdomen is categorized into four quadrants is the abdominopelvic quadrants.
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Punctuated equilibria and extinct is also aware choices
Variation is any difference in organisms of the same species, whereas gradualism is a microevolutionary theory.
What is a scientific theory?A scientific theory is a given explanation on a phenomenon from the real world (e.g., the evolution theory).
The fossil record is a piece of evidence for the evolution theory (which is mainly based on natural selection).
In conclusion, variation is any difference in organisms of the same species, whereas gradualism is a microevolutionary theory.
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Which of these is a renewable resource humans depend on? A) crude oil. B) Fertile soil. C) Natural gas. D) fossil fuel
This is the exact question and non are renewable so I don't understand
Answer:
fertile soil is the renewable source
Influenza, strep throat, measles, and the common cold are all infectious diseases. Which of the following methods can be used to
avoid getting infectious diseases?
OA. sharing a drink only with family members
OB. not washing fruit before eating it
OC. petting a sick animal
OD. washing your hands before eating
Answer:
D. Washing your hands before eating.
Explanation:
Option a, b and c are examples of not practicing proper hygiene and they increase the chances of you getting diseases. Option D is the only example that practices proper hygiene.
Which best indicates pen pressure in handwriting analysis?
The height-to-width ratio is uniform.
The capital letters and lowercase letters are connected.
The letters are either above, below, or on a baseline.
The downstrokes and upstrokes are an even width .
Answer:
The letters are either above, below, or on a baseline.
Explanation: