Answer:
Frequency, or gene frequency, is the relative frequency of an allele
Explanation:
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To lyse is to burst apart or explode. Why do you think a virus’s reproduction cycle is called the “lytic cycle”?
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Answer:
cells burst to release new viruses
After a cell has been used to reproduce new viruses, a special viral protein causes the cell's membrane to break open, or lyse. This process gives the lytic cycle its name.
Explanation:
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Final answer:
The lytic cycle is named as such because it culminates in the lysis, or bursting, of the host cell, releasing new virus particles. It contrasts with the lysogenic cycle, where the virus integrates into the host genome and replicates without lysing the cell.
Explanation:
The term "lytic cycle" describes a type of virus replication in which a virus invades a host cell, uses the host's cellular machinery to replicate its viral genome, and manufactures more virus particles. Eventually, the host cell becomes so full of new virions that it bursts, or undergoes lysis, releasing the new viruses to infect additional cells. This process of cell bursting is why the cycle is referred to as 'lytic' since 'to lyse' means to burst or explode.
Bacterial cells that are infected by viruses (bacteriophages) usually end up being destroyed through this process. However, not all viruses follow the lytic cycle; some may enter a lysogenic cycle, where the viral DNA is incorporated into the host cell's genome and replicated along with the cell's DNA without destroying the host. An example of this dual behavior is seen in the phage lambda of E. coli, which can undergo both the lytic and lysogenic cycles.
Thoughts and feelings affect how the cells function according to
Answer:
psychoneruoimmunology
Explanation:
For an individual who is heterozygous for two genes, Aa and Bb, what does independent assortment predict? Offspring inheriting the recessive allele (a) of the first gene will inherit the dominant allele (B) of the second gene. Offspring inheriting the dominant allele (A) of the first gene will also inherit the dominant (B) allele of the second gene. Offspring inheriting the dominant (A) allele of the first gene are equally likely to inherit either the dominant (B) or the recessive (b) allele of the second gene.
Answer:
For an individual who is heterozygous for two genes, Aa and Bb, what does independent assortment predict? Offspring inheriting the recessive allele
of the first gene will also inherit the dominant
Explanation:
Aa x Bb= AB, Ab, aB and ab
so the first gene will also inherit the dominant gene
The fact that the zebra's stripes are passed down in its DNA indicates that the stripes may serve an evolutionary advantage. What do you think is the evolutionary need for such complex designs?
Answer:
Camouflage and other visual illusions
Explanation:
There are several theories for why zebras have evolved to have striped coats. One of the lines of thinking is that it allows them to blend into long grass to avoid predation. The stripes blend into a sort of gray colour at a distance, making them difficult to spot.
The stripes may also "dazzle" their predators, because the properties of black and white stripes can give the illusion of movement. If there are many zebra huddled together, some moving, some not, it may be difficult for a predator to lock on to its prey.
It could be some sort of deterrent to stop bugs and other pests, because they can less successfully land on striped patterns.
Answer:
Oftentimes, these exotic prints serve as camouflage so the animal can hide from predators. Sadly, such beautiful animals are also poached by hunters who use their furs for clothing and rugs, which has led to many of these wild animals becoming endangered.
Explanation:
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Sample Response: The sound of the drumstick hitting the metal bar will get to me in a shorter amount of time in Scenario 1. The sound wave will travel faster in the metal bar than through the air because the speed of sound waves in solids is faster than it is in gases.
What did you include in your response? Check all that apply.
The sound will reach my ear in a shorter time in Scenario 1.
Sound will travel faster through the metal bar than through the air.
The speed of sound waves in solids is faster than it is in gases.
Answer:
all
Explanation:
Because they are so close, than can collide very quickly, i.e. it takes less time for a molecule of the solid to 'bump' into its neighborough. Solids are packed together tighter than liquids and gases, hence sound travels fastest in solids. The distances in liquids are shorter than in gases, but longer than in solids
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Julio is constructing a three-dimensional model of a grasshopper. He uses soft foam to represent most of the organs. Which strategy would provide the most accurate model of the exoskeleton of the grasshopper?
a.
covering the foam organs with a thin but tough outer coating
b.
covering the foam organs individually with small, scale-like plates
c.
filling the central cavity of the model with a thick fluid
d.
threading hard, cylindrical-shaped sticks inside the foam organs
Answer:
b.
covering the foam organs individually with small, scale-like plates
During cell division, The DNA in a eukaryotic cask is tightly packed and coiled into structures called:
A. Centromeres
B. A nucleus
C. chromosomes
During cell division, The DNA in a eukaryotic cask is tightly packed and coiled into structures called:
C. chromosomes.
- During cell division, the DNA in a eukaryotic cell is tightly packed and coiled into structures called chromosomes.
- These chromosomes contain the genetic material necessary for cell division and inheritance.
- Chromosomes are condensed structures formed from DNA and associated proteins, primarily histones.
- Prior to cell division, DNA replication occurs, resulting in duplicated chromosomes called sister chromatids.
- As the cell prepares for division, these sister chromatids condense further and become visible under a microscope as distinct chromosomes.
- Chromosomes play a crucial role in ensuring the accurate segregation of genetic material during cell division, allowing for the transmission of genetic information to daughter cells.
- Therefore, chromosomes are the condensed and coiled structures that contain the genetic material essential for cell division and inheritance.
The speed of sound in air is roughly 1,484 m/s.
How far, in meters, would a sound wave travel in 3
seconds?
The distance traveled by a sound wave in 3 seconds can be calculated using the formula: distance = speed × time.
Explanation:The speed of sound in air is approximately 1,484 meters per second. To calculate how far a sound wave would travel in 3 seconds, we can use the formula: distance = speed × time. Therefore, the distance traveled by the sound wave in 3 seconds would be 1,484 meters/second × 3 seconds = 4,452 meters.
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Indentify the stages of the cell cycle using the drop down menus
Answer:
The stages of cell cycle are G1 phase, S phase (synthesis), G2 phase and M phase (mitosis and cytokinesis).
Explanation:
G1 phase is also called growth phase of the interphase. This phase occurs after the completion of M phase which consist of mitosis and cytokinesis and before the starting of DNA replication. S phase is a synthesis phase where DNA replication occurs. G2 phase is an important phase in which cell grow in size occurs and various proteins are produced which is necessary for the mitosis. After G1 phase, mitosis occurs in which a single is divided into two daughter cells having diploid chromosomes.
Where can you find carbon?
Answer:
the atmosphere and in chemicals.
Explanation:
Answer:
carbon can be found in the atmosphere as well as burned fossil fuels.
Explanation:
In an experiment on the cell cycle, a researcher repeatedly injects a mouse with a variety of cyclin-dependent kinases, including mitosis-promoting factor (MPF). The compounds are delivered to the thyroid gland through a carrier complex in the blood. As the experiment continues, which change to the thyroid gland of the mouse is most likely to occur?
Answer:
A cancerous tumor will form in the thyroid
Explanation:
Cyclin-dependent kinases are proteinous in nature. They perform z series of biological activities in the body. They are responsible for controlling the cycle of a cell.
Cyclin-dependent kinases when they are mutated can cause the cells present in the human body to begin to multiply and divide uncontrollably thereby resulting in the formation of cancerous cells in the body.
This is why when a researcher repeatedly injects a mouse with a variety of cyclin-dependent kinases, including mitosis-promoting factor (MPF) and they are delivered to the thyroid gland by carrier complex in the blood, the cells in the thyroid would start to multiply uncontrollably thereby causing a cancerous tumor to be formed in the thyroid.
What current collects all the garbage in the Pacific Ocean?
Answer:
Explanation:
The Great Pacific Garbage Patch is a collection of marine debris in the North Pacific Ocean. ... The National Oceanic and Atmospheric Administration (NOAA) defines a gyre as a large system of swirling ocean currents
In terms of ATP production, which process results in the most total energy
Answer:
Electron transport chain
Explanation:
Poison ivy is a weed that produces an oil which causes skin rashes. Scientists want to perform an experiment to see if poison ivy grows taller when exposed to more carbon dioxide. How should the control group in this experiment be treated?
A. The control group should have plants growing at higher oxygen levels.
B. The control group should have plants growing at different carbon dioxide levels.
C. The control group should have plants growing in different amounts of water.
D. The control group should have plants growing at normal carbon dioxide level.
Poison ivy is a weed that produces an oil which causes skin rashes. Scientists want to perform an experiment to see if poison ivy grows taller when exposed to more carbon dioxide. The control group in this experiment should be be treated as :
D. The control group should have plants growing at normal carbon dioxide level.
Explanation:
As the level of carbon dioxide in the atmosphere increases, it's boosting the growth of poison ivy plants, two recent studies show. These elevated carbon dioxide levels are creating bigger, stronger poison ivy plants that produce more urushiol, the oil that causes the allergic reaction and miserable poison ivy rash.The poison ivy rash can also raise your risk of getting a potentially serious skin infection from scratching your skin.About 80% of people are sensitive to the plant meaning they may develop a poison ivy rash if they come in contact with the plant. Scientists showed that elevated carbon dioxide boosts the growth of poison ivy and results in the production of a more powerful form of the urushiol.The control group should have plants growing at normal carbon dioxide level. Scientists would grow plants at a normal carbon dioxide level to see if increasing carbon dioxide has an effect on the experimental group.Answer:
D. The control group should have plants growing at normal carbon dioxide level.
Explanation:
Scientists would grow plants at a normal carbon dioxide level to see if increasing carbon dioxide has an effect on the experimental group.
What units of genetic material determine how things look A. Traits. B. Genes. C. Variations. D. Mutations
Answer:
B, Genes
Explanation:
Cells that respond to peptide hormones usually do so through a sequence of biochemical reactions involving receptor and kinase activation. In order for cells to respond, it is necessary for first and second messengers to communicate. This is possible because ________.
Answer: G protein acts as the link between first and second messengers
Explanation:
18 POINTS
What do you call an animal that eats plants?
What do you call an animal that eats animals that eat plant?
What do you call an animal that eat animals that eats animals that eats plants?
Answer:
multiple
Explanation:
an animal that eats plants is called an herbivore.
an animal that eats plants and animals are called omnivores.
an animal that eats an animal that is omnivore or herbivore is a carnivore.
The organisms are represented at different levels in the ecological pyramid of energy, depending on which organism they consume as food.
An animal that eats plants is a herbivorous animal. It is a primary consumer in the pyramid of energy.
An animal that eats animals that eat plants is a secondary consumer. It is a carnivorous or omnivorous animal.
An animal that eats animals that eats animals that eats plants is a tertiary consumer or a predator. It is at the highest level in the ecological pyramid.
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Differentiate between population density and
population distribution.
Population distribution means a local pattern due to population dispersion, agglomeration formation, line spread, etc. Overcrowding is a measure of population and physical space. It shows the relationship between the population and the size of the environment.
What are three types of distribution that define the pattern of each type?The three types of human distribution are similar, random, and integrated. The same distribution is rare. People are divided equally and there is a lot of competition for resources In random distribution, some people are close, and some are divided.
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Population density is the average number of individuals per unit area or volume, indicating how crowded a population is, whereas population distribution explains how these individuals are spread out across their habitat, which can be clumped, uniform, or random. This indicates different environmental and behavioral factors affecting the species.
Explanation:Population Density vs. Population Distribution
Understanding both population density and population distribution is essential to grasp how individuals within a species are spaced within their habitat. Population density refers to the average number of individuals per unit of area or volume. This is a measure of how crowded a population is. For example, the number of trees per acre in a forest is an expression of population density.
On the other hand, population distribution delineates how the individuals are spread out across their habitat. This can vary greatly, with populations sometimes clustered around resources in aggregations, while others might be evenly spaced due to territorial behavior or randomly distributed if there are no strong interactions or environmental preferences dictating their position.
To concrete this difference with an example: If a population of 820 insects lives in a 1.2-acre area, their population density would be roughly 683 insects per acre. On the contrary, a population of 560 flowering plants in a 0.2-acre area has a startlingly higher density of 2,800 plants per acre. Consequently, the plants have a greater density than the insects. The pattern of distribution of these organisms could tell us a lot about their behaviors and interactions with the environment and other species.
Population distribution patterns – such as clumped, uniform, or random – offer insight into environmental resources, species interactions, and behavioral strategies. For instance, a species demonstrating a random distribution might not be influenced strongly by social interactions or might exploit resources that are evenly spread across an area. In contrast, a uniform pattern typically indicates competition for resources or territorial behavior.
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Transcription in bacteria differs from transcription in a eukaryotic cell because
Which statement describes the relationship between plants, animals, and the carbon cycle?
Answer:
Animals breath out carbon dioxide, plants turn the carbon dioxide into carbon and release fresh oxygen as a result. The carbon goes through the rest of the carbon cycle.
Explanation:
What are the two genotypes that can result in the dominant trait showing in the phenotype
Answer:
Explanation:
123
Apply Concepts:
Two rivers run into the ocean. One river is very long. The other is
very short. Which river probably drops the smallest rock pieces near the ocean?
Explain your answer.
Answer:
the very long river
Explanation:
Larger rocks tend to settle out of the water flow sooner than smaller rocks do, so the rocks remaining at the end of a very long river would tend to be very small. A very short river may still be carrying somewhat larger rocks.
The very long river probably drops the smallest rock pieces near the ocean.
_____
Perhaps the implied assumption here is that a very short river will have a higher gradient than a very long river. Another assumption is that rocks are picked up nearer the headwaters, and the gradient decreases with distance.
If both rivers end at a waterfall into the ocean, they may very well carry the same sort of rock size distribution. If the short river traverses muddy terrain, and the longer river traverses rocky terrain, the answer may be reversed.
3. In tomato plants, the allele R results in round
tomatoes, and the allele r results in oval tomatoes.
Identify the phenotypes of the following individuals
who have different genotypes.
A. RR
B. Rr
C. rr
Answer:
A: Round tomatoes. B: Round tomatoes. C: Oval tomatoes
Explanation:
Answer: I need help
Explanation:
The diagram below shows the stump of a tree whose root grew into a small crack in bedrock and split the rock apart.
The action of the root splitting the bedrock is an example of
A)Physical Weathering
B)Chemical Weathering
C)Deposition
D)Erosion
Answer:
Physical Weathering
Explanation:
As per the given conditions in the question, the primary effect is mechanical action which is also known as a physical weathering. During mechanical action, a rock is disintegrated into the smaller pieces. In the given statement, the root of tree would grow in the crack and try to develop a strong network to get nutrients necessary for tha tree growth. Thus, the root would exert a pressure in the crack to make more space for its growth and development (root network). This is primarily a mechanical action and an example of physical weathering.
What structure transports bile from the liver to the bile duct?
Answer:
Common Hepatic duct
Explanation:
Bile is a greenish thick fluid that consists of a mixture of substances like salts, acids, pigments, cholesterol etc. It plays a very important role in aiding digestion in the digestive system. Bile is produced by the liver, which secretes it through the common hepatic duct (collection of the right and left hepatic ducts).
The common hepatic ducts connect with the cystic duct (another duct that links to the gall bladder). This connection brings about the formation of the bile duct. Hence, the common hepatic duct conducts or transport the bile from the liver to the bile duct, which eventually empty its content (bile) into the small intestine or gall bladder.
The structure that transports bile from the liver to the bile duct is called the common hepatic duct.
Explanation:The structure responsible for transporting bile from the liver to the bile duct is indeed called the common hepatic duct. It is an important component of the biliary system, which plays a crucial role in the digestion of fats. The common hepatic duct originates within the liver and collects bile produced by hepatic cells.
It then joins with the cystic duct, which carries bile stored in the gallbladder, to form the common bile duct. Together, they transport bile into the small intestine, where it aids in the emulsification and digestion of dietary fats, facilitating their absorption in the digestive process.
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The amount of force needed to keep a 0.3 kg box moving at a constant speed of r m/s of frictionless ice is?
A.) 0N
B.) 10N
C.) 1.2N
D.) 0.3N
E.) 2N
Answer:
0N
Explanation:
If an object is on one of these imaginary frictionless surfaces, the surface does not present any opposing force (frictional force) to slow an object sliding over it. Therefore no force is needed to keep the object moving.
The amount of force needed to keep a 0.3 kg box moving at a constant speed of r m/s of frictionless ice is 0 N.
What is frictionless ice?
Two fundamental ideas related to the concept of force are established by the First Law. The "natural condition" of motion of all objects is not rest, as almost everyone would assume, but rather any constant velocity.
when they were finally given the freedom to act spontaneously, the velocity they had. In our daily lives, things frequently come to rest. Newton's insight that this was caused by the frictional force is what makes him so brilliant.
Objects float with whatever velocity they have from their prior interactions in space, far from the influences of gravity and air resistance, demonstrating the First Law.
Therefore, The amount of force needed to keep a 0.3 kg box moving at a constant speed of r m/s of frictionless ice is 0 N.
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n the following diagram of the energy flow in an ecosystem, what does symbol 1 represent?
A.
heat
B.
sunlight
C.
consumers
D.
glucose
Answer:
B
Explanation
It is sunlight because producers need sunlight to grow. For example, an apple tree is a producer. It uses the sunlight to grow and create the fruit. The fruit is then consumed by a consumer (number 2 on the diagram).
Answer:
B if your on plato
Explanation:
Why is a hypothesis important to a scientific investigation?
A)Without a hypothesis, there is no way to tell if you did an experiment correctly
B)Without a hypothesis, there is no way to tell if you have done enough research about the problem.
C)Without a hypothesis, you have no statement to tell you if your results are correct.
D)Without a hypothesis, you have no statement to which you can compare your results to in order for you to determine what those results mean.
0
A hypothesis is important in a scientific investigation as it provides a preliminary explanation that guides the experiment's design and results interpretation. It allows researchers to know what they are testing for and gives them a standard to which they can compare their results.
Explanation:A hypothesis is a preliminary explanation for a phenomenon used as a basis for further investigation. It is important in a scientific investigation for several reasons.
Option D correctly states: Without a hypothesis, you have no statement to which you can compare your results to in order for you to determine what those results mean.
A hypothesis provides scientists with a clear focus. It prompts the design of an experiment or observation to test whether the proposed hypothesis is true or false. If there were no hypothesis, it would be difficult to know what to test for and how to interpret the results. Moreover, a hypothesis is either supported or refuted based on the results of the experiment, thus providing a basis for understanding and further exploration.
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Which storm likely had more rainfall?There were two rainstorms in Hatfield last summer. Before Storm 1, Hatfields temperature was 32°C. Before Storm 2, the temperature was 18°C. Before both storms, the temperature of the surrounding areas was the same and wind was blowing toward Hatfield. There was the same amount of water vapor before Storm 1 and Storm 2.
Answer:
Storm 1 had more rainfall.
Explanation:
Storms are usually characterized by a large variety of atmospheric disturbances which can range from normal rainfall to wind-related disturbances. Storms are formed when a center of low pressure develops with the system of high pressure surrounding it which can create winds that result in the formation of storm clouds. The amount of moisture then determines the amount of rainfall.
Therefore at Hatfield, storm 1 had more rainfall due to it's higher temperature which made the air warmer and easy for the wind to push air parcels even higher into the clouds making it to lose more energy and causing more rainfall.
How might environmental manipulation of a crop have unexpected consequences? a. The new crop may require more water than the original. b. The crop may harm the environment. c. The yield may be reduced. d. All of the above Please select the best answer from the choices provided A B C D
Answer:
D. All of the above
Explanation:
The improving the well-being of people by altering their living situation. The environmental manipulation of a crop have unexpected consequences, All of the above .
What is environmental manipulation?The improving the well-being of people by altering their living situation, such as by setting an abused or late child in a foster home or by transferring an adult patient from a mental hospital to an adult home or a halfway house.
Thus, option "D" is correct, all the above.
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