Answer:
True
Explanation:
Oil increases friction due to its slippery natute
Based on your knowledge of cellular and viral processes, which of the following would be (an) appropriate target(s) for antiviral drugs?
A) integrases
B) aminoacyl-tRNA synthetases
C) ribosomes
D) aminoacyl-tRNA synthetases and ribosomes
Please provide a detailed explanation along with the answer. I have seen sources online saying the correct answer D but I don't get why.
The appropriate target(s) for antiviral drugs among the given options would be integrases as targeting them can effectively disrupt the viral life cycle without causing significant harm to the host cells.
The correct answer is option A.
Integrases - These are viral enzymes responsible for integrating the viral genetic material into the host cell's genome. Targeting integrases can prevent the virus from replicating and spreading within the host, making it a suitable target for antiviral drugs. An example is HIV integrase inhibitors, which are used to treat HIV infections.
Aminoacyl-tRNA synthetases - These enzymes are responsible for attaching the correct amino acid to its corresponding tRNA molecule, which is essential for protein synthesis. However, they are present in both host cells and viral cells, so targeting them might lead to unwanted side effects in the host.
Ribosomes - These are cellular structures responsible for protein synthesis. Since both the host cell and the virus use ribosomes for protein synthesis, targeting ribosomes could harm the host cells as well as the virus, making it an undesirable target for antiviral drugs.
Aminoacyl-tRNA synthetases and ribosomes - As explained in options B and C, targeting both aminoacyl-tRNA synthetases and ribosomes could lead to unwanted side effects in the host, making this option not suitable for antiviral drugs.
Therefore option A is the correct answer.
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Use the graph to find the factorization of x2 - 7x+12.
A. (x-6)(x-8)
B. (x - 3)(x - 4)
C. (x+3)(x + 4)
OD+
D. (x + 6) (x+8)
Answer:
Explanation:
Use the graph to find the factorization of x2 - 7x+12.
A. (x-6)(x-8)
B. (x - 3)(x - 4)
C. (x+3)(x + 4)
OD+
D. (x + 6) (x+8)
How the model in the image supports this statement: The body carries critical life functions through systems specialized cells
Some cells in the body have special jobs they are really good at doing. They are called specialized cells.
What is the specialized cells?The human body has lots of tiny cells, and each of them is different and has a special job to do. This group helps with important things needed to survive.
One type of cells carry oxygen and another type send electrical signals in our body. Specialized cells help the body do important things. Tissues: Groups of similar cells form tissues, such as muscle tissue, connective tissue, and epithelial tissue.
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give one reason mendel chose pea plants for his experiment .
Answer:
-Pea plants reproduce sexually
-Male and female sex cells on pea plants allowed Mendel to cross pollinate them
-Pea plants have a variety of traits
Explanation:
What happens to plant cells when the concentration of salt outside the cell is greater than the concentration inside the cell?
A hypertonic environment develops when the amount of salt outside the plant cell exceeds the concentration inside the cell.
The increased concentration of salt molecules outside the cell causes water molecules to move out of the cell. Osmosis process is the reason for this. As water moves out of the plant cell, the cell membrane begins to separate from the cell wall. The name of this condition is plasmolysis.
Plasmolysis results in the cell becoming floppy and the turgor pressure is reduced, causing the plant to wilt markedly. Prolonged exposure to high salt levels can cause plant cell damage. Essential cell processes, such as nutrient intake and photosynthesis, can be disrupted by water loss and turgor pressure.
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Species that do not provide parental care often lay ___________ of eggs at a time
Answer:
hundreds or dozens I think
Ethylene, a hormone found in plants, is produced to ripen fruits. These fruits ripen and drop to the ground where they release seeds. Which two plant systems are interacting when this occurs?
Answer:
Response and reproduction system
Explanation:
the activity of many cellular enzymes is regulated by activators and inhibitors. enzyme activity is also regulated in eukaryotic cells by which of the following mechanisms?
A)The compartmentalization of enzymatic in to the different cellular organelles creates cellular steroid gradients, which may affect how the various steroid products have been balanced.
Most enzymes are subject to conformational changes, which modify catalytic activity. Such conformational changes frequently come from the binding of tiny molecules that control enzyme function, such as amino acids and nucleotides. Molecules like enzymes are often segregated into several organelles in eukaryotic cells. Because distinct organelles are used for different cellular functions, this arrangement aids in the control of enzymes. The DNA polymerase enzymes responsible for eukaryotic DNA replication are members of the B family biological DNA polymerases, while those responsible for bacterial and archaeal DNA replication are members of families A and C, respectively.
(Pls help asap! The activity of many cellular enzymes is regulated by activators and inhibitors. Enzyme activity is also regulated in eukaryotic cells by which of the following mechanisms?
Compartmentalization and restricting enzymes to specific organelles or membranes
Secreting enzymes out of the cell
Limiting the availability of substrates
Changing the primary structure of enzymes)
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There are 100 ants in an ant farm that is 10 inches by 5 inches. What is the population 1 density? (Show your work)
The population density would be 2 ants/square inch
Population density is defined as the population size of a species of organism per unit area of the habitat occupied.
In this case, the population size of ants in the ant farm is 100 while the dimension of the ant farm is 10 inches by 5 inches.
Area of the ant farm = Length x breadth
= 10 x 5
= 50 square inch
Population density of ant = population size/area
= 100/50
= 2 ants/square inch
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The steps to purifying DNA are listed below. Place them in order.
Burst cells open to release DNA
Isolate concentrated DNA
Collect cheek cells
Separate DNA from proteins and debris
Answer:
Explanation:
1. Collect cheek cells
2. Burst cells open to release DNA
3. Isolate concentrated DNA
4. Separate DNA from proteins and debris
Number 6 please helppp
Height is a monohybrid inheritance. A tall (TT) plant is crossed with a short (tt) plant therefore the fraction or percent of the offspring which will be tall is 1 or 100 percent.
What is Inheritance?This is referred to as the process by which genetic information is passed on from parent to child.
TT × tt when crossed will give the following offspring:
Tt Tt Tt Tt - We were told that height is a monohybrid inheritance which means Tall will be dominant.
Therefore , the fraction or percent of the offspring which will be tall is 1 or 100 percent.
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During hard physical work the body loses a lot of sodium ions in sweat
Answer:Sweat typically contains 40-60 mmol/L of sodium, leading to approximately 20-90 mmol of sodium lost in one exercise session with sweat rates of 0.5-1.5 L/h. Reductions in sodium intake of 20-90 mmol/day have been associated with substantial health benefits.
Explanation:
Which of the following occur in a maple tree growing in a temperate climate in response to increasing cold weather? Choose three correct answers.
The three correct answers are:
B. The chlorophyll in the leaves break down, revealing yellow and red pigments that had been masked by the green pigments. This process leads to the beautiful fall foliage colors observed in maple trees. As the weather gets colder, the breakdown of chlorophyll exposes the underlying pigments, creating vibrant red, orange, and yellow leaves.
C. Xylem and phloem fill with ions and organic substances that prevent freezing. In response to increasing cold weather, the tree transports ions and organic compounds into the xylem and phloem. These substances act as antifreeze agents, preventing the freezing of sap and ensuring the circulation of nutrients and water within the tree.
D. Meristems form thick scales to protect next year's buds from cold winter temperatures. The meristems, which are the regions of the tree where new growth occurs, undergo changes in response to the approaching cold weather. They form protective scales around next year's buds to shield them from the harsh winter conditions, ensuring their survival and future growth.
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Your question is incomplete, but most probably your full question was:
Which of the following occur in a maple tree growing in a temperate climate in response to increasing cold weather? Choose three correct
answers.
A. Auxin production stimulate one final growth spurt before winter arrives,
B. The chlorophyll in the leaves break down, revealing yellow and red pigments that had been masked by the green pigments.
C. Xylem and phloem fill with ions and organic substances that prevent freezing.
D. Meristems form thick scales to protect next year's buds from cold winter temperatures,
What is A Brain? Write its parts name. and explain .
Answer and Explanation:
The brain is composed of three main structures, the cerebrum, cerebellum, and brain stem. The brain sends chemical and electrical signals throughout the body to regulate different biological functions and sense environmental changes. The brain communicates with the majority of the body through the spinal cord.
which is true of the gallbladder?
- it creates white blood cells
- it stores bile
- it stores pancreatic amylase
- it stores pepsin
Answer:
It stores bile is the true of the gallbladder.Why does temperatures increase when the amount of co2 and ch4 in the earth system increases? Using the words using the words atmosphere , methane , co2 , energy , redirect , surface , temperature
The increase in CO2 and CH4 levels in the Earth's atmosphere enhances the greenhouse effect, causing more heat to be trapped and redirected back to the surface. This results in a rise in surface temperatures and various impacts on the climate system.
When the amounts of CO2 (carbon dioxide) and CH4 (methane) in the Earth system increase, it leads to an increase in temperatures due to the greenhouse effect. The atmosphere plays a crucial role in this process.
Both CO2 and CH4 are greenhouse gases, which means they can trap heat in the atmosphere. When sunlight reaches the Earth's surface, it radiates back as infrared (heat) energy. Normally, some of this heat escapes into space, maintaining a balance. However, the increased levels of CO2 and CH4 act as a barrier, trapping more heat and redirecting it back to the Earth's surface.
CO2 is particularly important in this process. It is released primarily through the burning of fossil fuels, deforestation, and other human activities. The rising CO2 levels from these activities enhance the greenhouse effect. Similarly, CH4, which is emitted by natural sources like wetlands and human activities such as livestock farming and fossil fuel extraction, also contributes to the greenhouse effect.
As more heat is trapped, the surface temperature of the Earth increases. This rise in temperature affects the climate system, leading to various consequences such as global warming, altered weather patterns, and sea level rise.
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- Why is the snowline
important to the formation of glaciers.
Answer:
Explanation:
The snow line is an irregular line located along the ground surface where the accumulation of snowfall equals ablation (melting and evaporation). ... During glacial periods, the climatic snow line was from 600 to 1,200 m (2,000 to 4,000 feet) lower than at present.
SOMEONE PLEASE HELP ME THIS IS DUE TONIGHT!!!! Mammalian mothers develop strong attachments with their young. In a mouse, this attachment process can be broken down into the following steps:
1. The mother mouse experiences certain hormonal changes when her babies are born.
2. Newborn infants show attachment behavior toward the mother.
3. Hormonal changes related to the birth process and attachment behavior from the infant stimulate oxytocin release in the mother.
4. Oxytocin stimulates the mother to display parenting behavior toward the babies.
5. This parenting behavior stimulates oxytocin release in infant brains.
6. Babies suckle milk from the mother, which stimulates more oxytocin release in the mother.
Draw a flowchart or diagram to describe how oxytocin concentration impacts the attachment between mothers and their young.. Explain whether feedback is taking place in this example.
The mother or infant's oxytocin release boosts the other's, strengthening their bond. The feedback loop promotes care and bonding between mother and offspring, which is vital to their survival.
Hormonal changes in the mother during birth trigger oxytocin release.Oxytocin stimulates the mother to display parenting behavior.The parenting behavior stimulates oxytocin release in the infant's brain.The increased oxytocin in the infant reinforces attachment behavior towards the mother.The mother's oxytocin levels further increase as the babies suckle milk.The elevated oxytocin in the mother strengthens the attachment bond.Learn more about feedback loop, here:
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During summer in the northern
hemisphere, the northern hemisphere is
A. gets the warm air from the southern hemisphere.
B. tilted closer to the sun.
C. directed away from the sun.
D. closer to the equator.
During summer in the northern hemisphere, the northern hemisphere is
B. tilted closer to the sun.
In the summer, is the Northern Hemisphere inclined toward the sun?The Northern Hemisphere is tilted toward the Sun for half of the year due to the Earth's eccentric orbit; this is summer in the Northern Hemisphere and winter in the Southern Hemisphere. The Northern Hemisphere is tilted away from the Sun during the other half of the year, generating winter in the north and summer in the south.
The southern hemisphere of the planet is the exact opposite of the northern hemisphere in every way. In the southern hemisphere, it is winter while it is summer in the northern hemisphere.
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Which is considered a top predator in the ocean?
Answer:
Killer Whales
Explanation:
They are considered to be the most powerful killers in the ocean, capable of taking down massive prey like whales - hence their name - and even great white sharks. In fact, their hunting strategies are widely attributed to causing the extinction of the largest shark to have ever lived, the megalodon
I hope you found this helpful :)
sedimentary rocks are formed from weathering material that have been eroded and then deposited in layers. This process requires: a) temperature and time b) deposition and melting c) collection and transportation d) time and pressure
Answer: B I think
Explanation:Sedimentary rocks are formed when sediment is deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension. This sediment is often formed when weathering and erosion break down a rock into loose material in a source area.
Answer:
b
Explanation:
What would happen if a membrane protein were unable to bind with signaling molecule
In recent years the elephant population in certain African ecosystems have seen a decreased. The decrease is most likely due tl
Answer:
mostly poaching
Explanation:
i dont know if this was the answer you wanted but...
nvm I had my head on the wrong question
Can someone help me with this?
is there a fourth answer?
What is the primary nerve cell
Answer:
The primary nerve cell is called a neuron. Neurons are responsible for transmitting information throughout the nervous system and allowing us to think, feel, and move. They are the building blocks of our nervous system and play an essential role in our overall bodily function.
The primary nerve cell is called a neuron, which transmits information through electrical and chemical signals. Neurons have three main parts: the cell body, dendrites, and axon. They play a crucial role in sensory perception, motor coordination, and memory formation.
Explanation:The primary nerve cell in the nervous system is called a neuron. Neurons are specialized cells that transmit information through electrical and chemical signals.
There are three main parts of a neuron: the cell body, dendrites, and axon. The cell body contains the nucleus and other organelles, while the dendrites receive signals from other neurons and the axon transmits signals to other neurons.
Neurons are responsible for various functions in the nervous system, such as sensory perception, motor coordination, and memory formation.
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Help plzzzzzzzzzzzzz will give brainliest
it's cytoplasm or mitochondria which ever one you feel is best
Individuals in a population of purple people earters are polymorphic at a single locus that leads to variation in purple people eater pup viability. 45% of the pups with genotype PP are viable, 54% of pups with genotype Pp are viable, but only 4% of pups with genotype pp are viable. What model of natural selection best fits these data
Answer:
The correct answer is - overdominance.
Explanation:
In the given question, genotype Pp is a heterozygote condition that has a 54% survival rate or fitness thus these individual people get more chance of mating and increase in number as compared to the other two conditions of PP or pp traits where PP has 45% survivability, less than heterozygous condition and more than pp that has only 4% rate.
It results in a normalizing selection model of natural selection as a moderate trait, that is heterozygote, is selected. Thus, the selection of overdominance which means heterozygote condition produces a better phenotype than PP or pp parents is heterosis.
Describe way in which plants are adapted to swed dispersal by animals give an example
Some seeds feature barbs or hooks that cling to an animal's skin, fur, or feathers. Birds can carry away the sticky seeds of plants like pittosporum.
How do plants adapt to animal seed dispersal?Seeds from plants that rely on animals for distribution are made to fit either within or outside of the animal. Burr- or hook-shaped seeds can cling to an animal's fur. Plants give seeds that are carried internally an enticing fruit pulp reward in exchange for the journey.
What kind of animal dispersal are examples?Mangoes, guavas, breadfruit, carob, and several fig species are some examples. Aardvarks and the desert melon (Cucumis humifructus) share a symbiotic connection in South Africa, where the mammals consume the fruit for food.
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O research existing data on accidents involving cars
communicate the results by telling everyone about the prototype
Question 3 (1 point)
There is a set number of times you should go through the engineering design process
- if your design isn't working by the 3rd time through, it's time to just quit and give
up.
True
False
To
Answer:
false
Explanation:
you fix your design to make it work that is what being is all about if it doesn't work you don't give up you figure out what is wrong and fix it.
An area where deforestation has occurred is more vulnerable to
A. water pollution.
B. transpiration.
C. snowstorms.
D. seismic activity.
Answer:
A. water pollution
Explanation:
B. It can't be transpiration because that is how plants 'breath'
C That is dependant on climate
D. That is dependant on the area, not the forests
A. It must be A, because dirt will get washed into streams and other waterways because of erosion due to lack of plants, and it is the only logical answer.