Answers
Answer:
Initiation. RNA polymerase binds to a sequence of DNA called the promoter, found near the beginning of a gene. Each gene has its own promoter. Once bound, RNA polymerase separates the DNA strands, providing the single-stranded template needed for transcription.
Related Questions
Which of the following is "not" likely to cause a magnet to lose
its magnetism?
a. Striking it with a hammer.
b. Cooling it.
c. Dropping it repeatedly on the ground.
d. Heating it.
The magnetic field of a magnet is strongest
a. at its north pole.
b. at its south pole.
c. in the middle.
d. at both of its poles.
Answers
The answers include the following:
The following which is "not" likely to cause a magnet to lose its magnetism is cooling it and is therefore denoted as option B.The magnetic field of a magnet is strongest at at both of its poles and is denoted as option D.What is a Magnet?This is referred to as a material or object that produces a magnetic field and it has two poles which are the North and south poles in which the magnetic field of a magnet is strongest.
Cooling a magnet will not cause a magnet to lose its magnetism but instead the magnetism will increase because the molecules within the magnet will move slower because they have less kinetic energy so there is less vibration within the magnet's molecules thereby resulting in more concentrated magnetic field that strengthens the magnet.
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Is crick and Watson a type of genetic test
Answers
No, "Crick and Watson" is not a type of genetic test. Crick and Watson refer to James D. Watson and Francis Crick, who were scientists involved in the discovery of the structure of DNA. They proposed the double-helix structure of DNA in 1953, which provided the foundation for understanding genetic information and its role in heredity.
Genetic tests, on the other hand, are laboratory tests that analyze an individual's DNA or genes to provide information about their genetic makeup, potential genetic disorders, or predispositions to certain conditions.
These tests can be used for various purposes, such as diagnosing genetic disorders, predicting the risk of developing certain diseases, determining carrier status for genetic conditions, or providing ancestry and genealogical information.
While Crick and Watson made significant contributions to the field of genetics, they are not directly associated with genetic testing. Genetic tests are based on scientific advancements and technologies developed after their groundbreaking discovery of the DNA structure.
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Which amino acid is NOT one that may be targeted for phosphorylation to modulate the activity of an enzyme
Answers
Answer:
Alanine
Explanation:
Alanine is the answer to this question. This amino acid is used for biosynthesis of protein. It is useful for making proteins. Also it helps in the breakdown of tryptophan and also vitamin b6. It helps in strengthening the immune system and also the central nervous system. It is nonessential and can be found in foods like nuts and dairy products.
Describe how the amphipathic nature of phospholipids leads to the formation of the phospholipid bilayer organization observed in membrane structure. Based upon this information, how would you design a drug delivery system to cross the cell membrane?
Answers
The amphipathic nature of the phospholipid leads to the formation of the phospholipid bilayer organization because the phospholipid molecules contain both hydrophilic and hydrophobic properties.
Phospholipids' amphipathic nature means that their molecules have both hydrophilic and hydrophobic characteristics. The fatty-acyl tail of the phospholipid is non-polar in nature, but the head group of the phospholipid is polar.
Thus, this property of phospholipids caused the arrangement of the phospholipid bilayer of the plasma membrane, where the non-polar fatty-acyl tail is buried inside the hydrophobic interior of the bilayer, which is away from the aqueous phase, and the polar head groups face the cytosolic and extracellular faces, which are exposed to the aqueous medium.
Similar to how lipophilic molecules may easily penetrate the cell membrane, polar drugs must be changed in order for them to do so since they cannot do so in the polarized condition.
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Carbon is one of the most prevalent elements in living things. Which other elements are prevalent in living things?
A: Hydrogen and Oxygen
B: Lead and Mercury
Answers
Hydrogen and Oxygen are the other elements that are prevalent in living things.
Any living thing needs a wide variety of chemical components to survive in good health. Oxygen, carbon, hydrogen, nitrogen, sulfur, and phosphorus are the elements that are most plentiful in living things. About 99% of their live mass is composed of these components.
Because it bonds with carbon so easily, hydrogen is necessary. This is due to the fact that hydrogen effectively acts as a connecting element between other atoms and the carbon base of a chain due to its strong electronegativity.
Additionally, water contains oxygen (together with hydrogen), which is necessary for a living thing since water is used for many of the chemical reactions that take place within living things.
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Carbon dioxide water and energy are the typical products of the breakdown of which type of molecule
Answers
Answer:
the answer is Glucose
Explanation:
hoped it helped
Answer:
Carbon dioxide water and energy are the typical products of the breakdown of which type of molecules Is A carbohydrates and C-lipid
What is the surface of the Earth called?
Crust
Mantel
Inner core
Outer core
Answers
Answer:
crust
Explanation:
Am I correct? Need help with this practice * It asks to select all that apply, you can choose more than one but one can be incorrect *
Answers
Explanation:
its absolutely correct .
Which statements explain the cold temperatures in the Northern Hemisphere during the winter? Choose the TWO correct answers.
A.
The Northern Hemisphere is farther from the sun during the winter.
B.
In the Northern Hemisphere, the sun is lower in the sky during the winter.
C.
Earth is farther from the sun during the winter.
D.
Earth rotates more slowly during the winter.
E.
The Northern Hemisphere gets less direct sunlight during the winter.
Answers
Answer: Option A and E.
Explanation:
Norther hemisphere Is the half of the Earth that lies on the north of the equator. The equator is the line that divide the Earth into two halves.
During the winter, the northern hemisphere is colder because the northern hemisphere move away from the sun and receive less sunlight form the sun. The sun is very high in temperature and it has high heat, when the northern hemisphere move away from it, there is lower heat or temperature that get to it , making it to become cooler or have lower temperature. The countries in the northern hemisphere comprises of all countries in Europe, North America, Asia,part of South America and little part of Africa.
Explanation:
Claim:
Island's weather will continue to be most like the
weather where orangutans live.
Answers
The claim states that the weather on an island will continue to be most like the weather where orangutans live. To evaluate this claim, we need to consider several factors:
Native Habitat: Orangutans are native to the tropical rainforests of Southeast Asia, including Indonesia and Malaysia. These regions typically experience a warm and humid climate throughout the year.Island Location: The specific location of the island in question is crucial in determining its weather patterns. Islands can vary greatly in terms of their geographical location, size, and surrounding bodies of water, which can influence climate.Island's Climate: To determine if the island's weather is similar to that of orangutan habitats, we need to assess its climate. This involves analyzing factors such as temperature, rainfall, humidity, and seasonal variations.Without specific details about the island in question, it is difficult to make a definitive assessment. However, if the island is located within or near the equatorial belt and shares similar climatic conditions with Southeast Asian rainforests, it is more likely to have weather resembling that of orangutan habitats.
It is important to note that climate can vary even within a specific region, so a thorough analysis of the island's climatic data would be necessary to make an accurate comparison. Additionally, factors such as changes in global climate patterns over time may also impact the accuracy of this claim.
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How did dark brown skin evolve from our ancient early ancestors?
Answers
Answer:
Image result for How did dark brown skin evolve from our ancient early ancestors?
Evolution. Due to natural selection, people who lived in areas of intense sunlight developed dark skin colouration to protect against ultraviolet (UV) light, mainly to protect their body from folate depletion. Evolutionary pigmentation of the skin was caused by ultraviolet radiation of the sun.
Explanation:
Hope it helps!
Which plant parts are in leaves? (Select all that apply.)
1. endosperm
2. xylem
3. root hairs
4. phloem
Answers
Answer:
4. Phloem
Explanation:
Phloem, also called bast, tissues in plants that conduct foods made in the leaves to all other parts of the plant. Phloem is composed of various specialized cells called sieve tubes, companion cells, phloem fibers, and phloem parenchyma cells. - Britannica
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Explain how diffusion restored homeostasis during the dialysis treatment.
Answers
During dialysis, diffusion facilitates the movement of waste products and excess fluids out of the blood, restoring homeostasis.
During dialysis treatment, diffusion plays a crucial role in restoring homeostasis. Homeostasis refers to the body's balanced state, where the levels of various substances are maintained within a narrow range. In the context of dialysis, diffusion refers to the movement of solutes across a semipermeable membrane.In hemodialysis, the patient's blood is circulated through a dialyzer, which contains a semipermeable membrane. On one side of the membrane, the patient's blood flows, while on the other side, a dialysate fluid flows. Due to a concentration gradient, solutes like urea, creatinine, and excess electrolytes in the blood diffuse across the membrane into the dialysate fluid.This diffusion process helps remove waste products and excess fluids from the blood, bringing it closer to the normal physiological range. By restoring the balance of solutes and maintaining proper fluid levels, diffusion in dialysis aids in restoring homeostasis and promoting the overall well-being of the patient.For more such questions on Dialysis:
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2. What color rabbit seemed to camouflage the best in this snow habitat and why? What color rabbit seemed to camouflage the best in the summer habitat and why?
Answers
In the snow habitat, the white rabbit would camouflage the best due to its fur color blending with the snowy background. In the summer habitat, the brown rabbit would camouflage better as its fur color matches the earthy tones of the environment.
1. Snow Habitat:
In the snow habitat, the rabbit that would camouflage the best is the white rabbit. The reason for this is that its fur color matches the snowy background, providing effective camouflage. Predators in the area would have a harder time spotting the white rabbit against the white snow, increasing its chances of survival.
2. Summer Habitat:
In the summer habitat, the rabbit that would camouflage the best is the brown rabbit. The brown fur color of the rabbit blends well with the earthy tones of the environment during this season. This camouflage helps the rabbit hide from predators by making it less noticeable among the vegetation and natural surroundings.
Camouflage plays a crucial role in an animal's survival by allowing it to blend in with its surroundings and avoid detection by predators. In snowy habitats, animals with white or light-colored fur have an advantage as their colors match the snowy landscape. Conversely, in environments with lush vegetation and earthy tones, animals with brown or green coloration are better able to conceal themselves.
It is important to note that camouflage effectiveness may vary depending on factors such as lighting conditions, specific shades of fur color, and the presence of other visual cues in the environment. However, in general, white rabbits would be more successful at camouflage in snow habitats, while brown rabbits would have better camouflage in summer habitats.
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Imagine you were a deoxygenated blood cell on your way back to the heart you would first have to enter the heart either through the ________atria_____________ or the ____ventricle_____________________. You and all your friends would then fill up the first chamber known as the _____ateries___________________. When the capacity in that chamber reaches its limit, you guys would be forced through the ________________ valve and into the next chamber known as the ________________________. After contracting, that chamber would squeeze you guys through the _____________________ valve and up into the __________________ artery where you would ride all the way to the _______________________ to pick up a fresh batch of ________________. Now that everyone is happy, you guys make your way back to the heart by traveling through the ____________________ veins. You enter the third chamber known as the ________________. When the capacity in that chamber reaches its limit, you guys would be forced through the ________________ valve and into the next chamber known as the ________________________. After contracting, that chamber would squeeze you guys through the _____________________ valve and up into the __________________ so you can delivery oxygenated blood to the rest of the body!
Answers
Deoxygenated blood enters the heart through the superior and inferior cava veins to the right atrium.
When the right atrium is full of blood, the heart valves (tricuspid valves) open and the blood flows to the right ventricle. Once the ventricle is full, the heart valves close, and the ventricle contracts sending the blood through the pulmonary valves to the pulmonary arteries.
Then the deoxygenated blood will flow to the lungs where it will be oxygenated. Once the blood is oxygenated, it flows back to the heart through the pulmonary veins to the left atrium.
Once the left atrium is full, the heart valves (mitral valves) open and the blood flows to the left ventricle. When the ventricle reaches its maximum capacity it contracts and the blood is sent through the aortic valve into the aorta, and through this and other arteries, the oxygenated blood is transported through the whole body.
what is the cure of this pandemic
Answers
Answer:
people
Explanation:
wearing masks, sraying at home,
distribution of chlorophyll, stomata, mesophyll cells and vascular bundles support photosynthesis
Answers
Yes, the distribution of chlorophyll, stomata, mesophyll cells, and vascular bundles supports photosynthesis.
Let us discuss each separately.
Chlorophyll: It absorbs light energy from the sun, which is essential for photosynthesis. The distribution of chlorophyll within the mesophyll cells ensures that it is positioned optimally to capture sunlight.Mesophyll cells: Mesophyll cells are the main site of photosynthesis in plant leaves. It contains chloroplasts and provides a spongy texture to the leafy surface.Stomata: Stomata are small openings on the surface of leaves that regulate gas exchange, including the uptake of carbon dioxide (CO2) required for photosynthesis and the release of oxygen (O2) produced during photosynthesis. Vascular bundles: Specialized tissues composed of xylem and phloem, responsible for transporting water, minerals, sugars, and other substrates throughout the plant body.To know more, refer to;
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The golgi apparatus contains cisternae, membrane-bound structures, and acts as the
Answers
Golgi apparatus is a complex cytoplasmic structure made up of smooth membrane saccules or cisternae, a network of tubules with vesicles and vacuoles, which takes part in membrane transformation, secretion, and production of complex biochemicals, that helps process and package proteins and lipid molecules.
Which object can an S wave travel through?
air
magma
soil
water
Answers
Answer:
soil
Explanation:
example : earthquakes
Secondary waves, which are called S waves, usually travel through solids such as the crust, granite and soil
quizlet usgs
Answer: Option C
Explanation:
If making a protein was like making a building, then the DNA molecule is like the blueprints and the RNA molecules are like the construction workers
True
False
Answers
Question 17 Multiple Choice Worth 5 points)
(04.03 MC)
The state of Alabama is humid, with well-distributed rainfall that keeps soil well saturated. Classify what type of climate Alabama has.
O Aridic
O Aquic
OUdic
Ustic
Answers
Aquic. Alabama has an "Aquic" climate, which is typified by a humid environment with evenly distributed rainfall that maintains the soil well-saturated.
Udic soil moisture is what?The soil moisture control section of the udic moisture regime is one in which no part of the section is dry for as long as 90 cumulative days in typical years.
What does UDIC vs. aquic soil mean?Crops can grow on soils with an udic moisture regime because they have enough moisture. Although irrigation is usually required for crops in a ustic moisture regime, crops can be grown in the udic moisture regime without it. The majority of agricultural techniques require artificial drainage on soils with an aquic moisture regime.
Aquic: What is it?geology term for a soil that has already been saturated with water; aquic (not comparable).
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Q.Genetic variations in drug targets may contribute to which drug property:
a) Entry into the central nervous system
b) Bioavailability
c) Half-life
d) Racial differences in response
e) Binding to plasma proteins
Answers
According to the research, the correct answer is Option E. Genetic variations in drug targets may contribute to which drug property: Binding to plasma proteins.
What is a drug?It is a synthetic or natural material that, due to its properties, can cause a functional or anatomical effect in a living being.
In this sense, the component that has toxic or pharmacological properties is called the active principle and can be affected by genetic variations that affect the distribution of a drug, such as blood flow, binding to plasma proteins, which are located both inside platelets as in blood plasma, related to tissue regeneration.
Therefore, we can conclude that according to the research, Genetic variations in drug binding to plasma proteins found in plasma and platelets may cause changes in drug distribution.
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The discovery of cells was made possible by the invention of microscopes today several different types of microscopes are used by scientists
Answers
Answer:
:>
Explanation:
please help me!
In a population of lizards, in a 6-month period,
150 lizards emigrate from the
population. In the same 6-month period, 140
lizards immigrate to the population. How
did the population change during the 6-month
period? (Assume all other factors did
not change.)
A. The population decreased by 10 lizards.
B. The population increased by 140 lizards.
C. The population increased by 150 lizards
D. The population decreased by 290 lizards
Answers
150 lizards emigrated and 140 lizards immigrated in the same population during the 6-month period. Thus, the correct answer is option A.
What is emigration and immigration?Emigration means moving out by an organism from the specific population in a given period of time in a certain area. Hence, 150 lizards emigrated from that population implies that there was a decrease in the number of lizards by 150.
Immigration means moving to the area by an organism inhabited by that specific population in a given period of time in a certain area. Hence, 140 lizards immigrated implies that there was an increase in the number of lizards by 140.
Consider the number of lizards in the population to be n. Therefore, the change in the population would be = number of lizards in the population - number of emigrated lizards + number of immigrated lizards
= n - 150 + 140 = n - 10
That is, there is a net decrease in the population by 10 lizards.
Thus, the correct answer is option A.
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Along with the nervous system, the ___ system coordinates the various activities of body parts.
Answers
Along with the nervous system, the endocrine system coordinates the various activities of body parts.
The endocrine system is a network of glands that produce and release hormones that help regulate many important body functions. These hormones travel through the bloodstream and affect different tissues and organs in the body.
The endocrine system plays a vital role in regulating many important body functions, including:
• Metabolism - the process by which the body converts food into energy
• growth and development
• reproduction
• mood and behavior
Endocrine disorders can occur when the body produces too much or too little of a hormone. For example, diabetes mellitus is a condition that occurs when the body does not produce enough insulin, a hormone that helps regulate blood sugar levels.
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Julie has just discovered her grandmother’s old diary. It is an intriguing family saga with lots of twists and turns of love stories, dramatic incidents and several secrets. She wants to try her hand at short fiction, but does not know how. Chart out for her the way to a great short story.
Answers
Answer:
Julie can pick one incident and start framing her story. She can write it out in about 1,000 to 1,500 words. She could choose the most dramatic incident as the climax of her story.
Explanation:
Which of these actions can the Consumer Product Safety Commission take
to help protect consumers?
O A Force a store to issue store credit
O B. Mediate a disagreement between a consumer and a store
O C. Recall an unsafe product
O D. Make a company repait a damaged product
Answers
Answer:
C. Recall an unsafe product
The Consumer Product Safety Commission (CPSC) is a U.S. government agency that is responsible for protecting consumers from unsafe products that are in Option C. The CPSC has the authority to take various actions to help protect consumers.
What is the Consumer Product Safety Commission?The CPSC has the authority to recall any consumer product that poses a substantial risk of injury or death to consumers. The CPSC can require companies to recall their products, issue warnings to consumers, and take other appropriate actions to protect the public. Forcing a store to issue store credit is not a typical action that the CPSC would take to protect consumers. While the CPSC can investigate complaints and take legal action against companies that violate safety standards, it does not have the authority to force stores to issue store credit.
Hence, the Consumer Product Safety Commission (CPSC) is a U.S. government agency that is responsible for protecting consumers from unsafe products that are listed in Option C.
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When a particle is moved from an area of lesser concentration to an area of greater concentration...
A. it uses energy
B. it happens naturally
C. it produces energy
D. it damages the cell
Answers
When a particle is moved from an area of lesser concentration to an area of greater concentration, it uses energy. The correct answer is A. it uses energy.
Active transport is the process of moving molecules or ions across a cell membrane against their concentration gradient, which means moving from an area of low concentration to an area of high concentration.
This process requires energy in the form of ATP (adenosine triphosphate) to move the particles against the concentration gradient and is carried out by specialized membrane proteins called pumps or carriers.
Active transport is necessary for many biological processes such as nutrient uptake, ion homeostasis, and cell signaling. Unlike passive transport, which relies on the movement of molecules along their concentration gradient, active transport requires energy input to move molecules or ions against their concentration gradient.
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Label strands of DNA
Answers
There are no directions…
Summarize the findings of other scientists in Germany and Boston that support the work of Calderon-Garciduenas
Answers
Calderón-Garcidueñas has conducted research on the impact of air pollution on the brain and cognitive function. Other scientists in Germany and Boston have also conducted studies that support her work and findings.
In Germany, a group of researchers conducted a study to investigate the effects of air pollution on brain structure and cognitive function in a large population of older adults. The study utilized neuroimaging techniques to assess brain volumes and cognitive tests to evaluate cognitive performance. The findings revealed a significant association between long-term exposure to air pollution and reduced brain volume in regions related to memory and learning. The study also found that higher levels of air pollution were associated with poorer cognitive performance in various domains.
In Boston, researchers focused on the impact of air pollution on children's brain development. They conducted a study involving a cohort of children and assessed their cognitive abilities using standardized tests. The study found that children exposed to higher levels of air pollution exhibited lower cognitive scores, particularly in areas related to attention, memory, and language skills. The researchers also observed structural changes in the brain, specifically in regions involved in cognitive control, in relation to air pollution exposure.
These studies from Germany and Boston provide additional evidence supporting Calderón-Garcidueñas' findings regarding the detrimental effects of air pollution on the brain and cognitive function. They reinforce the notion that long-term exposure to air pollution can lead to structural changes in the brain and have a negative impact on cognitive abilities. The collective findings highlight the importance of addressing air pollution as a public health concern and implementing measures to reduce pollution levels to safeguard brain health and cognitive development, particularly in vulnerable populations such as children and older adults.
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