How can alcohol use among teens permanently affect the white matter of the brain and the prefrontal cortex?
Answers
Alcohol and drug use are mainly unfavorable to the white count of the brain, which means that the efficiency of statistics glide is compromised. particularly, substance use results in a decrease in white counted extent and disorganization of white remember the structure.
Alcohol and drug use are especially detrimental to the white remember of the mind, which means that the performance of records flow is compromised. particularly, substance use results in decreased white matter quantity and disorganization of white remember the structure.
The sooner a person begins drinking alcohol at dangerous tiers the more the chance of changing the improvement of the brain this could lead to problems with reminiscence and learning and will increase the chance of getting alcohol-associated problems later in life.
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Related Questions
You are a scientist isolating a particular microbe from a water sample. As a first step, you need to inoculate a broth culture with your microbe using a sterile loop. Which of the following is the most appropriate way to sterilize your loop before inoculation? Consider effectiveness, time, and safety. Wash the loop with soapy water. Sterilize the loop by exposure to gamma radiation. Sterilize loop by exposure in an ethylene oxide chamber for 1-2 hours. Sterilize the loop by using a bunsen burner at your bench.
Answers
The most appropriate way to sterilize the loop before inoculation would be to use a Bunsen burner at your bench.
Using a Bunsen burner is a common and effective method for sterilizing inoculation loops. The high temperature of the flame kills any microorganisms present on the loop, ensuring a sterile surface for the transfer of the microbe. It is a relatively quick process, taking only a few seconds to sterilize the loop.
Washing the loop with soapy water is not an effective method for sterilization, as it may not eliminate all microorganisms. Sterilization by exposure to gamma radiation or in an ethylene oxide chamber is typically used for larger-scale sterilization in a laboratory setting and may not be practical or necessary for sterilizing a small inoculation loop.
Using a Bunsen burner is a safe method as long as proper precautions are taken, such as using a flame-resistant work area and following proper laboratory safety protocols.
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What effect does the Continental Divide in the United States have on water runoff?
Answers
Answer:
It separates the water that runs toward the Pacific Ocean from the water that runs toward the Atlantic and Arctic Oceans and the Gulf of Mexico.
microorganisms are found in nearly every environment and are said to be multiple choice omniscient. contaminated. ubiquitous. omnipresent.
Answers
Microorganisms are found in nearly every environment and are said to be ubiquitous.
Microorganisms are ubiquitous or can be found in all types of micro- and macro-ecological habitats on Earth. They are able to endure harsh conditions that would kill more complicated species like mammals and humans. Some microbial taxa are more likely to be widespread because they are able to grow in or withstand a wide variety of environments. Other taxa, on the other hand, are extremely limited in their distribution and endemic because they can only survive in a very narrow range of climatic circumstances. As microorganisms, archaea and bacteria are ubiquitous because they are present in practically every ecological setting on Earth.
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How can fertilizers, which help things grow, be pollutants? You must explain in at least 2 sentences to receive credit.
Answers
One of the main ways in which fertilizers can be pollutants is through eutrophication.
Fertilizers are chemical compounds that are added to soil or plants to improve plant growth and crop yields. They contain nutrients such as nitrogen, phosphorus, and potassium, which are essential for plant growth. However, while fertilizers can be beneficial for plant growth, they can also have negative effects on the environment and human health. In this essay, I will discuss the ways in which fertilizers can be pollutants and their impact on the environment.
Eutrophication is the process by which excess nutrients, particularly nitrogen, and phosphorus, are added to water bodies, leading to the growth of algae and other aquatic plants. The excess growth of algae can cause oxygen depletion in the water, leading to the death of fish and other aquatic organisms. This can also result in the formation of dead zones where no life can survive. Fertilizers are a major source of nutrients that contribute to eutrophication, particularly in agricultural areas where large amounts of fertilizer are used on crops. When rain or irrigation water carries excess fertilizer into nearby water bodies, it can cause eutrophication, leading to environmental degradation and loss of biodiversity.
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in humans, like most vertebrates, the optic nerve passes through the optic disc of the retina obscuring the visual field. this is literally our blindspot. cephalopods, like the octopus, do not have such a blindspot because their equivalent of the optic nerve goes behind the retina and does not obscure the visual field. what is the most likely explanation for our blindspot?
Answers
The most likely explanation for the blindspot in humans is the arrangement of the optic nerve passing through the optic disc of the retina, obstructing the visual field.
In humans, the optic nerve, which carries visual information from the retina to the brain, exits the eye at a location called the optic disc. The optic disc is a region on the retina where nerve fibers gather and exit the eye, creating a gap in light-sensitive cells. This gap, where there are no photoreceptor cells, is our blindspot. When light falls on this region, the absence of photoreceptors prevents us from perceiving the visual information.
The arrangement of the optic nerve passing through the retina is a result of the evolutionary history of vertebrates, including humans. In contrast, cephalopods, such as octopuses, have a different arrangement where their optic nerve connects behind the retina. This arrangement allows their photoreceptor cells to cover the entire retinal surface, eliminating the presence of a blindspot.
The blindspot in humans is a trade-off between the arrangement of nerve fibers and the positioning of photoreceptor cells, resulting in a small region where visual information cannot be detected. Despite the blindspot, our visual system compensates for this gap through continuous eye movements and the integration of information from both eyes, allowing us to perceive a seamless and complete visual field.
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What percent of global earthquakes occur within the Mediterranean-
Asiatic Belt?
a 15%
b 56%
C 92%
d 10%
Answers
What creates a sense not only of enclosure and connection, but also movement and direction?.
Answers
Implied line creates a sense not only of enclosure and connection, but also movement and direction.
Invisible lines are implied lines. Along with movement and direction, they also produce a sense of enclosure and connectedness. A line that implies the edge of an object or a plane inside of an object is referred to as an implied line in art.
The line may be interrupted by sporadic marks, specified by value, color, or texture, or it may not even be discernible. This is a potent weapon that any artist can employ since, with any inferred line, our brain perceives that the line must exist.
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Would the animal/ cheek cells normally be attached to one another. Explain your answer
Answers
Answer:hahha a
Explanation:
najababnan
which of the following molecules would have trouble passively diffusing through a cellular membrane? group of answer choices an uncharged molecule a molecule that can easily dissolve in a lipid environment a small molecule a charged molecule
Answers
A charged molecule would have trouble passively diffusing through a cellular membrane.
Charged molecules are hydrophilic and therefore are repelled by the hydrophobic interior of the membrane bilayer. The interior of the membrane bilayer is made up of nonpolar fatty acid chains of phospholipids, which creates a barrier that prevents charged molecules from diffusing through the membrane by passive transport.
Uncharged molecules, such as oxygen and carbon dioxide, can diffuse passively through the cellular membrane. Small molecules, such as water and ethanol, can also diffuse passively through the membrane. Molecules that can easily dissolve in a lipid environment, such as lipids themselves, can diffuse through the membrane as well.
However, molecules that have a net charge or are polar, such as ions or glucose, cannot passively diffuse through the membrane and require the assistance of specific membrane transport proteins to cross the membrane.
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Select the true statements concerning gametophytes and sporophytes.
a. Both produce gametes.
b. Sporophytes are always nutritionally dependent on the gametophytes.
c. Across all plant species gametophytes tend to remain small.
d. Only sporophytes produce eggs.
e. Antheridia are located on the gametophyte.
Answers
The true statements concerning gametophytes and sporophytes are: a) Both produce gametes. c) Across all plant species, gametophytes tend to remain small. e) Antheridia are located on the gametophyte.
a) Both produce gametes: Gametophytes and sporophytes are two distinct stages in the life cycle of plants. Gametophytes are the haploid phase that produces gametes (sex cells) through mitosis. Sporophytes, on the other hand, are the diploid phase that produces spores through meiosis.
c) Across all plant species, gametophytes tend to remain small: In most plant species, the gametophyte stage is relatively smaller and simpler compared to the sporophyte stage. The sporophyte stage is dominant in the life cycle of most plants, while the gametophyte stage is reduced in size and dependent on the sporophyte.
e) Antheridia are located on the gametophyte: Antheridia are the structures that produce male gametes (sperm) in plants. They are typically found on the gametophyte stage, specifically on the male gametophyte.
It's important to note that statements b) (Sporophytes are always nutritionally dependent on the gametophytes) and d) (Only sporophytes produce eggs) are incorrect. In plants, sporophytes are the dominant and nutritionally independent phase, while eggs (female gametes) are produced by the gametophyte stage.
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Name a BEHAVIORAL adaptation.
PLSS I NEED THIS ASAP!! I WILL GIVE YOU BRAINLYEST!!
Answers
Answer:
predators become more abundant in a habitat then the prey becomes more aggressive towards the predator and others
Explanation:
Answer:
Birds fly south in the winter.
Explanation:
That need more food and it will
be to cold so therefore the birds need to survive by flying south.
2 ____ are equal to one whole
Answers
Answer:
2 halves are equal to one whole
1/2 + 1/2 = 1
In which direction does the moving force of air flow?
Responses
from high elevations to low elevations
from warm temperatures to cold temperatures
from areas of high pressure to areas of low pressure
from east to west
Answers
Answer:
from areas of high pressure to areas of low pressure
Explanation:
Air flows from areas of high pressure to areas of low pressure due to pressure differences.
Air molecules naturally move from an area of higher pressure to an area of lower pressure in an attempt to equalize the pressure.
This movement of air creates wind or air currents.
The air moves in the direction where the pressure gradient is steepest, which is typically from areas of high pressure to areas of low pressure.
This movement is known as the flow of air from high pressure to low pressure.
Hope this helps!
Answer:
from areas of high pressure to areas of low pressure
Explanation:
The moving force of air flows from areas of high pressure to areas of low pressure. Air moves from high-pressure zones to low-pressure zones because of the difference in air pressure. This movement of air from high to low pressure is what creates wind. The greater the difference in pressure between two areas, the stronger the wind will be. So, the correct answer is "from areas of high pressure to areas of low pressure".
Why do muscles work in pairs
Answers
Answer:they only pull in one direction
Explanation:
Answer
Skeletal muscles only pull in one direction. For this reason they always come in pairs. When one muscle in a pair contracts, to bend a joint for example, its counterpart then contracts and pulls in the opposite direction to straighten the joint out again.
Select all the correct answers. based on the phylogenetic chart, which three statements are true about the relationship between the organisms? phylogenetic chart shows human, mouse, kangaroo and platypus. human and mouse linked together, kangaroo and mouse linked together, and kangaroo and platypus linked together. a human is more closely related to a mouse than a kangaroo. a platypus is more closely related to kangaroo than a mouse. a human and a kangaroo share common features because of a common ancestor. a platypus and a mouse are more closely related than a platypus and a kangaroo. a kangaroo and a mouse are more closely related than a mouse and a human.
Answers
A phylogenetic chart shows the relationship between organisms based on similarities in their structures.
What are phylogenetic charts?Phylogenetic charts are charts which show the evolutionary relationship between organisms due to similarity in structures of body parts as well as functions.
Based on the phylogenetic chart;
human is more closely related to a mouse than a kangarooa platypus is more closely related to kangaroo than a mouse.a human and a kangaroo share common features because of a common ancestorTherefore, a phylogenetic chart shows the relationship between organisms based on similarities in their structures.
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How are the spines on a cactus different from the leaves on an oak tree?
1. They provide nutrient intake
2. They provide heat exchange
3. They reduce water loss
4. They reduce oxygen release
Answers
Answer:
3.
Explanation:
because normal leaves transpire and release water where as spine don't transpire
Explanation: Cactus spines are basically modified leaves. They defend the cactus against herbivores but also assist in reducing water loss by reducing air flow to the cactus, which provides shade. And due to no leaves the cactus stems are what carry out photosynthesis. In simpler terms, the water on leaves can be lost due to evaporation, but cactus spines don’t.
Which claim is most likely based on science?
A.Teas made from carrot leaves and stems are remedies that cleanse toxins from the body.
B.The orange color of carrots is due to a chemical called beta carotene.
C.Orange-colored carrots taste better than white or purple carrots.
D.Orange-colored carrots were introduced by the Dutch people, who preferred them to white carrots.
HELPPPP
Answers
Answer:
B
Explanation:
True or False:
Nutritional Anthropology combines the interests of biological and cultural anthropologists and draws systematically on the concepts and methods of nutritionists and other behavioral scientists.
Answers
True. Nutritional anthropology is a subfield of anthropology that studies the relationship between nutrition, health, and culture. It combines the interests of biological and cultural anthropologists and draws on the concepts and methods of nutritionists and other behavioral scientists to understand how diet and food practices shape human biology, behavior, and society.
Nourishing humanities is the investigation of food and sustenance from developmental, conduct, social and social points of view, and how these communicate in the creation of dietary wellbeing at the individual, local area and populace levels.
For instance, nutritional anthropologists have investigated the nutritional effects of switching from foraging and hunting to agriculture. Another example is research on how a shift from cash cropping to subsistence farming affects nutrition.
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Suppose you have an X ray of an arm, which is taken because the doctor suspects a bone is broken. You also have a drawing showing the locations of the bones in a human body. Explain how both of these visuals could contribute valuable data to the situation.
Answers
Answer:
An X-ray is done to diagnose the position of bones in the body whether its broken or not or in right place or not.
An X-ray machine is turned on to provide a visual of the bones showing bone condition. When the machine is turned on, X-ray travel through the body tissues, and due to the presence of calcium in bones, they absorb more X-rays, thus bones appear white against the black background of a radiograph.
These white bones on the radiograph will show the position of bones whether it's broken or not.
So, both the visuals that is X-ray and drawing showing visuals (the bones appear white) contribute valuable data to the given situation.
Create a appropriate title for this data table
Answers
Answer:
grade per hours of study
The inability to absorb nutrients and secrete mucus might indicate a problem with which type of tissue?
Answers
Epithelial tissue is responsible for absorption and secretion, and its dysfunction can lead to nutrient absorption and mucus secretion problems.
The inability to absorb nutrients and secrete mucus can indicate a problem with epithelial tissue. Epithelial tissue is responsible for lining the surfaces of organs, including the digestive system and respiratory tract. It plays a crucial role in absorption and secretion processes. The presence of specialized cells, such as goblet cells, in epithelial tissue allows for the production and secretion of mucus. Additionally, the epithelium of the digestive system contains cells with microvilli that increase surface area for nutrient absorption. If there is a malfunction or damage to the epithelial tissue, it can lead to impaired absorption of nutrients and a reduction in mucus secretion, ultimately affecting the proper functioning of the organs involved.
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When comparing the endocrine system to the nervous system, we could say the endocrine system
a) usually responds faster than the nervous system.
b) both usually responds faster than the nervous system and sends action potentials, rather than chemical signals, through the blood.
c) has a more short-term effect than the nervous system.
d) sends action potentials, rather than chemical signals, through the blood.
e) stimulus usually controls several tissues or organs instead of just one.
Answers
When comparing the endocrine system to the nervous system, we can say that The endocrine system uses chemical signals called hormones to communicate with target cells throughout the body.
The endocrine system usually responds slower than the nervous system. The endocrine system sends chemical signals, rather than action potentials, through the blood. The endocrine system has a more long-term effect than the nervous system. The nervous system sends action potentials, rather than chemical signals, through neurons. The endocrine system's stimulus usually controls several tissues or organs instead of just one.
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14) An environmental policy instrument, which has the lowest control and monitoring cost: a) BACT b) tradeable emission permits c) emission standards.
Answers
The environmental policy instrument with the least control and monitoring prices is option b) tradeable emission permits.
Cap-and-trade systems, commonly referred to as tradable emission permits, enable the distribution and selling of licences that signify the right to emit a specific quantity of pollutants. This approach places an overall cap on emissions, but specific businesses are free to buy or sell permits in accordance with their emission requirements.
Tradeable emission permits provide greater flexibility and reduced monitoring costs as compared to alternative choices like a) Best Available Control Technology (BACT) and c) emission standards.
While emission regulations necessitate constant monitoring to guarantee adherence to set emission limits, BACT necessitates comprehensive monitoring and enforcement to ensure compliance with specific emission reduction technologies.
Tradeable emission permits, however, are dependent on the market mechanisms and self-regulation, reducing the need for extensive monitoring and enforcement efforts.
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The environmental policy instrument that has the lowest control and monitoring cost is b) tradeable emission permits.
This can be classified as an example of the market-based approach to environmental regulation. An environmental policy instrument is a technique that governments utilize to influence human behavior concerning the environment. The following are three types of environmental policy instruments: Emission standards, Best Available Control Technology (BACT), and Tradable Emission Permits (TEP).
In the event that an organization or industry has an emission permit that is under their level of pollution output, it can trade the excess permit to different businesses in need of additional permits. Consequently, the framework guarantees that a similar amount of pollution is created, but this is done at a lower cost to the businesses. This trading system reduces the expense of compliance by allowing companies to choose whether or not to trade their emissions and how much to pay for the permits. Therefore, the tradeable emission permit instrument has the lowest control and monitoring cost.
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Explain briefly HOW we have different cell types (blood, skin, muscles, nerves, etc.) *
Answers
Answer: Everybody is born with different blood cells, skin tone etc . That depends on your parents and the actual spermatozoon that got to the egg and eventually turned out to be you . That means that is up to the genes and races that you’ve been mixed with and created of . Sometimes even siblings have slight differences in their skin tone ,eye color etc . The genes and races or stuff like that, that you’re mixed with may pop up in different ways for you and your siblings i don’t know if that makes sense
which two systems are involved when waste and water are removed from blood as it flows through the kidneys?
Answers
The two systems involved in removing waste and water from the blood as it flows through the kidneys are the circulatory system and the urinary system.
The circulatory system delivers blood to the kidneys via the renal arteries, which branch off from the aorta. Inside the kidneys, the blood flows through tiny structures called nephrons, which filter out waste products, excess ions, and water.
The urinary system then removes these waste products and excess water from the body. The filtered liquid, called urine, flows through the ureters to the urinary bladder where it is stored until it is eliminated from the body through the urethra.
The kidneys and the urinary system play a crucial role in maintaining the body's internal environment by regulating the balance of fluids, ions, and waste products in the blood. This process is essential for maintaining proper physiological function and overall health.
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When waste and water are removed from blood as it passes through the kidneys, two systems are primarily involved: the excretory system and the circulatory system. The excretory system, via the kidneys, filters out wastes from the blood, while the circulatory system transports these wastes to and from the kidneys.
Explanation:The two systems involved when waste and water are removed from blood as it flows through the kidneys are the excretory system and the circulatory system.
The excretory system, specifically the urinary system which is a part of it, is primarily responsible for waste removal. It consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys have millions of units called nephrons that filter the blood and form urine, which is then stored in the bladder until it's ready to be excreted through the urethra.
The circulatory system works in tandem with the excretory system in this process. Blood containing metabolic wastes from the body's cells is transported to the kidneys via the circulatory system. Once in the kidneys, these wastes are filtered out, concentrated, and form urine. The purified blood then leaves the kidneys and continues its circulation around the body.
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DNA is a molecule found in all cells. Which problem does this model of DNA solve?
Answers
Answer:does anyone know the answer
Explanation:
Answer:
Dna is to hard to see with unaided eyes
Explanation:
Do both male and female reproductive structures occur on the same cone? Explain the difference between male and female cones.
Answers
In gymnosperms, the male and female gametophyte structures are located on distinct male and female cones, whereas in angiosperms, they are a component of the flower.
How will you be able to tell a Pinus cone from a female one?
The woody framework of the female pine cone protects the seeds. They protect their seeds so that they could be fertilized and flourish. There are two seeds on each fertile scale of the many spirally organized scales that make up a female pine cone. Pollen, a fine powder produced by male pine cones
Does the same cone include both male and female reproductive organs?Microsporangiate, or male strobili, and megasporangiate, or female strobili, respectively, are the male and female reproductive organs. On various branches of the same plant, it has male and female cones, or strobili. On the tree's higher branches are female cones, while its lower branches are home to male cone.
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!! pls help !!
when a consumer eats a producer, 10 percent of the producers energy is passed on to the consumer trophic level. what happens to the other 90%?
a. it is consumed and used by the consumer
b. it is used by the producer to pass on to the next trophic level
c. it is added back to the soil by decomposers
d. it is used for cell processes or released as heat.
why is there biomass at the top of the energy pyramid?
a. secondary and tertiary consumers have to consume a lot more food to support themselves, so there are fewer of them
b. secondary and tertiary consumers live longer, so there are fewer of them because they reproduce more slowly
c. secondary and tertiary consumers are larger, so there are fewer of them
d. secondary and tertiary consumers have bigger ranges, so there are fewer of them because they each need a lot of space
Answers
Answer:
First one is " it is used for cell processes or released as heat."
Second one is "Secondary and tertiary consumers have to consume a lot more food to support themselves, so there are fewer of them."
Explanation:
Answer:
1. B- It is used for cell processes...
2. D- Secondary and tertiary consumers have to consume a lot more..
3. D- 135 Kcal
4. C- Kudzu Plant
5. A- 15%
Explanation:
Ten Percent Rule Quick Check
Hope this helps someone out <33
In order to safely bring the fossilized remains of a yeti down the side of a snowy mountain, they are strapped to a sled - the combination of which weighs 972 N - then carefully lowered down the 19.8∘ incline. To ensure the fossil is not damaged, it is brought down the snowy slope at a constant 1.92 m/s Although the runners of the sled are smooth, they are not free of friction; the coefficient of kinetic friction between the runners and the snow is 0.107. Assuming the rope is kept taut and parallel to the incline, what must be the tension (in newtons) in it
Answers
The tension in the rope is calculated as 33.7 N.
Weight of sled and fossil, w = 972 N Inclination angle of slope, θ = 19.8°
Speed of sled, v = 1.92 m/s
Coefficient of kinetic friction between sled runners and snow, μ = 0.107
To find:
Tension in the rope, T The forces acting on the sled are the gravitational force (Fg), the normal force (Fn) and the force of friction (Ff). The normal force is perpendicular to the slope and equal to the component of the gravitational force perpendicular to the slope. The force of friction is parallel to the slope and opposite the direction of motion.
The net force acting on the sled is given by the expression:
F net = ma
Since the sled moves with constant velocity, a = 0.
Therefore, F net = 0. F net = Fg sinθ - Ff = 0⇒ Fg sinθ = Ff
Since the speed of sled is constant, work done by tension in the rope is equal to work done by frictional force.
Hence, T = Ff = μFn
Where F n = Fg cosθ = w cosθ
Putting all the values,
T = μw cos θ sinθ= sin 19.8°cos 19.8°= 0.3365T = 0.107 × 972 × 0.3365T = 33.7 N
The rope is 33.7 N. The given problem is related to the tension in the rope. The tension in the rope is calculated as 33.7 N.
To bring down the fossil safely down the slope, the tension in the rope is 33.7 N. The gravitational force is acting perpendicular to the slope and the force of friction is acting parallel to the slope. The normal force is the component of gravitational force acting perpendicular to the slope. The sled moves down the slope with a constant velocity. The force acting on the sled is equal and opposite to the force of tension in the rope. The force of friction is given by the expression,
Ff = μFn,
where Fn = Fg cosθ = w cosθ.
Therefore, the tension in the rope is calculated as 33.7 N.
To bring down the fossil safely down the slope, the tension in the rope must be 33.7 N.
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Messenger RNA is the carrier of information from DNA to the ribosomes in the cytoplasm, where proteins are synthesized. The RNA
is transcribed from a DNA template. A special enzyme is involved in separating the two strands of the DNA molecule apart and
then hooks the RNA nucleotides together as they base pair along the DNA template. The special enzyme involved in this process is
called
A)
DNA primase
B)
DNA polymerase
RNA polymerase.
D)
helicase.
a promoter
Answers
Answer:
b.) DNA polymerase
Explanation:
Answer:
Helicase (D.)
Explanation:
I am 100%sure that the answer is D because helicase is the enzyme that unzips dna. Also, I know this because I just took the usatestprep quiz and got this question right.
-yw