Answer:
mRNA
Explanation:
did this yesterday hope this helps!
Answer:
2 stands of dna
Explanation:
9H2SO4
SCIENCE PLSSSSSSSS
Answer:
WHAT???
Explanation:
What is the question?
what is the equal movement of molecules going in and out of the cell called
2017 schulick endoplasmic reticulum (er) stress are jointly expressed in idiopathic pulmonary fibrosis (ipf)
There exist a link between lung fibrosis and stress on the endoplasmic reticulum.
Many fibrotic diseases such as Idiopathic Progression Fibrosis are related to the stress on the endoplasmic reticulum. The discovery of the first case of ER stress was fifteen years ago along with the discovery of a mutation in protein C. With apoptosis of alveolar epithelial cells, differentiation of fibroblast and polarization M2 macrophage, lung fibrosis, and ER stress is linked with each other.
Various analyses and tests are being performed to understand the effects of ER stress and the factors that result in ER result in cells such as macrophages, alveolar epithelial cells, and fibroblasts. So, there exists a link between lung fibrosis and stress on the endoplasmic reticulum.
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Below are some events that take place during cell division? Which would be the correct order?
I. Chromosomes line up at the equatorial plane
II. Chromosomes condense, becoming shorter and thicker
III. Chromosomes have long and nuclear membrane forms around them
IV. Centromeres divide and the chromosomes move to the opposite poles
a. 2-1-4-3
b. 3-4-1-2
c. 1-3-2-4
d. 4-1-2-3
The correct order of events during cell division is: 3-4-1-2, the correct option is b.
During cell division, several key events occur in a specific order.
Chromosomes have long and nuclear membrane forms around them: Before cell division occurs, the chromosomes within the nucleus start to undergo changes. Centromeres divide and the chromosomes move to the opposite poles: At this stage, the centromeres, which hold the sister chromatids together, divide. Chromosomes line up at the equatorial plane: Once the chromosomes have reached the opposite poles of the cell, they align themselves along the equatorial plane or the metaphase plate. Chromosomes condense, becoming shorter and thicker: In this step, the chromosomes further condense, becoming even shorter and thicker.Thus, the correct order, b. 3-4-1-2, accurately represents the sequence of events during cell division.
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the device that is used to measure the level of hemoglobin that is saturated with oxygen is known as
the device that is used to measure the level of hemoglobin that is saturated with oxygen is known as pulse oximetry
describe the pattern of brain development and why it matters.
The pattern of brain development is a complex process that's largely grounded on genetics and environmental factors. During immaturity and early nonage.
The brain is fleetly developing, allowing for new chops and capacities to be acquired. It's during this period that the brain is most vulnerable to environmental influences. This can include nutrition, physical exertion, as well as social and emotional relations. As a child grows, their brain continues to develop, allowing them to learn new chops,
Suppose more abstractly, and form meaningful connections. It's important to understand the pattern of brain development as it affects an existent's capability to learn and serve in day- to- day life.
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Biology-
Fill in the blanks with the word bank provided in the picture. Two words will not be used.
Discuss the four stages of urine formation: glomerular filtration, tubular reabsorption, tubular secretion, and water conservation.
The four stages of urine formation: glomerular filtration, tubular reabsorption, tubular secretion, and water conservation are discussed below:
1. Glomerular filtration
It is a process of ultrafiltration that is carried out by the glomerulus and it's the first step in urine formation.Around 1100-1200 ml of blood is filtered by the kidneys per minute.2. Tubular Reabsorption
Around 99% of the glomerular filtrate formed is reabsorbed by the renal tubules in the kidneys.Substances like glucose, amino acids, sodium ions, nitrogenous wastes, water, etc. are reabsorbed.3. Tubular Secretion
It is an important step in urine formation as it helps in maintaining ionic and osmotic balance in the body.Sodium ion, hydrogen ion, and ammonia are secreted into the filtrate by the tubular cells in the kidneys.4. Water Conservation
Large quantities of water are reabsorbed through the collecting ducts which extend from the cortex to the inner parts of the medulla in the kidneys.Thus, the four stages of urine formation: glomerular filtration, tubular reabsorption, tubular secretion, and water conservation are discussed above.
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You are analyzing an unknown substance. You determine that it is made up of sugars, phosphates, and nitrogenous bases. What type of molecule is this substance most likely to be
Answer:
a nucleic acid
Explanation:
A nucleic acid is a biomolecule composed of subunits called nucleotides. Nucleotides are made of three types of molecules: a 5-carbon sugar molecule, a phosphate group, and a nitrogenous base. There are two types of nucleic acids: ribonucleic acid (RNA) and deoxyribonucleic acid (DNA) and they are involved in the genetic information transfer in living organisms.
studies on human aging have shown that the levels of coenzyme q10 (ubiquinone), measured in tissues such as heart muscle, are significantly lower in individuals over 70 years old than in younger individuals. this lower level is associated with significantly reduced contractile force of their heart muscle. which is the most likely explanation for the reduced heart muscle function in these older individuals?
The most likely explanation for the reduced heart muscle function in older individuals is coenzyme Q10 is an electron carrier in the electron transport chain in mitochondria; lower levels of it will result in less ATP being made by mitochondria during cellular respiration (option B).
Coenzyme Q10 (ubiquinone) is а criticаl component of the electron trаnsport chаin аnd plаys а vitаl role in the production of АTP (аdenosine triphosphаte), which is the mаin energy source for the heаrt muscle. The levels of coenzyme Q10 (ubiquinone) meаsured in tissues such аs heаrt muscle аre significаntly lower in individuаls over 70 yeаrs old thаn in younger individuаls. This lower level is аssociаted with significаntly reduced contrаctile force of their heаrt muscle, which is most likely due to а decreаse in the production of АTP.
Your question is incomplete, but most probably your options were
A) Coenzyme Q10 is a lipid found in brown fat; brown fat is a major source of energy for all tissues in the body.
B) Coenzyme Q10 is an electron carrier in the electron transport chain in mitochondria; lower levels of it will result in less ATP being made by mitochondria during cellular respiration.
C) Coenzyme Q10 is used in cleaving a 6-carbon sugar into two 3-carbon sugars during glycolysis; lower levels of it will result in lower amounts of ATP being produced.
D) Coenzyme Q10 is used to convert pyruvate to acetyl CoA; lower levels of it will result in a less efficient citric acid cycle, which will slow down the production of ATP.
E) Coenzyme Q10 is an uncoupling protein found in mitochondria; lower levels of it will result in less efficient mitochondria.
Thus, the correct option is B.
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1 Write a one or two statements to explain each of these views
I .Earth is a system of systems, of which humans are a part.
Ii Energy cycles through these systems and affects changes in the composition of, but not the amount of the matter in the system.
iii. Our actions cause changes in the composition and energy content of the environment, and this changed environment can affect our lives.
iv Negative aspects of this change are distributed inequitably; the poorest are most negatively affected.
For each of the given views, their explanations are as follows:
The first statement means that various systems are essential to the existence of the earth and humans are one of the systemsThe second statement means that energy is cycled among all the systems of the earth.The third statement means that human activities affect the flow of energy through the earth's systems.The fourth statement means that the problems caused by human activities affect mostly the poor.What are earth's systems?Earth's systems refer to all the various components of the earth that contribute to the maintenance of life on earth.
The earth's system includes the biotic and abiotic factors of the earth.
They include humans, plants, animals, water, soil, etc.
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While hiking in the forest Karl walked past a tall tree with cones hanging from the branches it is the tallest tree in the entire forest to which phylum does this plant belong
Pinus because of it being in the cone family.
A reflex that protects limbs by removing them from painful stimuli is the. A. stretch reflex. B. crossed extensor reflex. C. Golgi tendon reflex.
The reflex that protects limbs by removing them from painful stimuli is the B. crossed extensor reflex.
The crossed extensor reflex is a reflexive response that occurs in response to a painful stimulus. When a painful stimulus is applied to one limb, the crossed extensor reflex causes the muscles on the opposite side of the body to contract, while the muscles on the same side of the body that received the stimulus undergo relaxation. This reflex helps to withdraw the limb from the painful stimulus and maintain balance and stability.
The stretch reflex, on the other hand, is a reflex that occurs in response to stretching of a muscle. It helps to maintain muscle tone and regulate muscle length.
The Golgi tendon reflex is a reflex that prevents excessive tension in muscles. It is triggered by the activation of Golgi tendon organs located in the tendons of muscles and leads to muscle relaxation.
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an algal bloom is an event that occurs when the level of nutrients in an aquatic ecosystem rises. higher nutrient levels increase the ecosystems carrying capacity for algae, and the algae population multiplies dramatically. describe how an algal bloom might alter the local carbon cycle in that ecosystem.
Algae bloom grows, it gets rid of carbon dioxide from the environment through changing it to biomass and oxygen thru photosynthesis.
Algae convert carbon dioxide to biomass at particularly rapid rates. Great blooms of oceanic algae, referred to as phytoplankton, take carbon out of the environment for the duration of photosynthesis, a good deal of that's then taken deep into ocean with them after they die.
A fast growth in algal bloom on floor of water results in greater uptake of carbon dioxide from environment for photosynthesis and launch of greater quantity of oxygen to the environment.
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Which statement about scientific theories is true?
• A. Scientific theories prevent new questions from being asked.
B. Scientific theories are
always unreliable.
• C. Scientific theories can never be proven wrong.
D. Scientific theories can be rejected as a result of
evidence.
new, reliable
SUBMIT
D. scientific theories can be rejected as a result of new, reliable evidence.
Option D is correct.
The scientific method does not always lead to a scientific theory; theories, like hypotheses, are subject to justification or rejection. As more information is gathered, theories can be revised or changed, increasing the forecast's accuracy over time.
The development of scientific knowledge and the application of amassed information are based on theories. In order to create new technologies or discover a cure for a sickness, scientists employ hypotheses.
Therefore, it is correct that "Scientific theories provide an explanation of phenomena based on empirical evidence, logic, and discussion."
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Define the
difference between endangered
species and extinction
Answer:
endangered species means ths animals are going to be extinct extinction means the they are already dead
What are some Cons about cloning?
Answer:
Explanation:
The process is not entirely safe and accurate. Despite being genetically identical with each other, clones will not be the same regarding behavioral attributes. ... It is regarded as unethical, and the probability of abuse is very high. ... The offspring lack genetic uniqueness. ... It is not yet fully-developed.Answer:
1) The process is dangerous.
2) The process is not fully developed yet.
3) Cloning does not always work.
4) Faster aging.
Explanation:
Hope this helps
What scientific instrument is sensitive enough to detect a planet transiting a star?
Answer:
photometer
Explanation:
Answer:
a photometer
Explanation:
A photometer measures the light coming from 140,000 stars in Kepler's stationary field of view. If a planet transits any star the amount of light from the star is reduced enough so that the photometer senses it and relays the information back to the Kepler team.
how do Earth climate region differ
ANSWER:GIVEN BELOW
The climate of a region depends on many factors including the amount of sunlight it receives, its height above sea level, the shape of the land, and how close it is to oceans. Since the equator receives more sunlight than the poles, climate varies depending on its distance from the equator.
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Drag each label to the appropriate position to identify whether the structure contains oxygenated or deoxygenated blood.
Deoxygenated: jugular vein, superior vena cava, right atrium, great cardiac vein, pulmonary trunk and arteries. Oxygenated: descending aorta, left ventricle, coronary arteries, carotid artery.
How does the circulatory system work?Two circuits compose the circulatory system
Lung circulation
1- Deoxygenated blood goes from the heart to the lungs where releases CO₂
2- Blood gets oxygenated again by absorbing O₂.
3- CO₂ is exhaled and oxygenated blood returns to the heart.
Systemic circulation
1- Oxygenated blood moves to all tissues.
2- Deoxygenated blood returns to the heart.
You will find the image in the attached files.
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c) Write equations to represent the two stages of photosynthesis
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2
Explanation:
carbon dioxide + water ------> sugar + oxygen
P.S: on top of the arrow write "sunlight"
A
Which of the following is a reasonable claim the researchers can make based on the data in the graphs?
B
C
2
Crabs are more abundant in areas with high salinity than in areas with low salinity.
Crab populations are most limited where salinity range between 10 and 15 psu.
3
Salinity does not influence crab populations because the number of crabs fluctuates across the five sites.
D Crab populations are larger in areas with low salinity than in areas with high salinity.
5
The answer is A. Crabs are more abundant in areas with high salinity than in areas with low salinity is a reasonable claim the researchers can make based on the data in the graphs.
Explanation:
A) Crabs are more abundant in areas with high salinity than in areas with low salinity
This is a reasonable claim because the data in the graphs show that the average number of crabs per trap is higher in sites 1 and 2, which have the highest salinity levels, than in sites 3, 4, and 5, which have lower salinity levels. The claim is also supported by the error bars, which indicate the range of variation in the data. The error bars for sites 1 and 2 do not overlap with the error bars for sites 3, 4, and 5, suggesting that the difference in crab abundance between the high and low salinity sites is statistically significant.
B) Crab populations are most limited where salinity range between 10 and 15 psu.
This is not a reasonable claim because the data in the graphs do not show a clear relationship between salinity and crab abundance in this range. Site 3 has a salinity of about 10 psu and a low average number of crabs per trap, but site 4 has a similar salinity and a higher average number of crabs per trap. Site 5 has a salinity of about 15 psu and a low average number of crabs per trap, but site 2 has a higher salinity and a much higher average number of crabs per trap. The claim is also not supported by the error bars, which show a large overlap in the data for sites 3, 4, and 5, suggesting that the difference in crab abundance among these sites is not statistically significant.
C) Salinity does not influence crab populations because the number of crabs fluctuates across the five sites.
This is not a reasonable claim because the data in the graphs do show a general trend of higher crab abundance in higher salinity sites, as explained in claim A. The claim also ignores the possible effects of other factors that may influence crab populations, such as temperature, food availability, predation, and competition. The claim is too simplistic and does not account for the variability and complexity of the data.
D) Crab populations are larger in areas with low salinity than in areas with high salinity.
This is not a reasonable claim because the data in the graphs show the opposite trend, as explained in claim A. The claim is contradicted by the evidence and does not reflect the data.
Active Transport Active transport moves substances from a more d_______ solution to a more c (against the c This requires e solution g from Active transport allows m__________ to be absorbed into plant root hairs from very d solutions in the soil. It also allows sugar molecules to be absorbed from ________ concentra- tions in the gut into the blood which has a higher sugar concen- tration. Sugar molecules are used for cell r
Active transport moves substances from a more dilute solution to a more diluted solution (against the concentration gradient). This requires energy from the cell. Active transport allows mineral ions to be absorbed into plant root hairs from very dilute solutions in the soil. It also allows sugar molecules to be absorbed from lower concentrations in the gut into the blood, which has a higher sugar concentration. Sugar molecules are used for cell respiration and other cellular processes.
why is temperture capable of dicating or reversing the sexual component of a reptiles genotype
Temperature is capable of dictating or reversing the sexual component of a reptile's genotype because some reptiles have temperature-dependent sex determination (TSD). This means that the temperature at which the eggs are incubated during a critical period of development can determine whether the offspring will be male or female.
In TSD species, there is a specific temperature range known as the pivotal temperature, which results in a 1:1 ratio of males to females. Temperatures below the pivotal temperature produce mostly females, while temperatures above the pivotal temperature produce mostly males. Therefore, the temperature can alter the sexual phenotype of a reptile and ultimately determine its sex.
Temperature is capable of dictating or reversing the sexual component of a reptile's genotype due to a phenomenon called Temperature-Dependent Sex Determination (TSD). In TSD, the sex of a developing reptile embryo is determined by the incubation temperature during a critical period of development, rather than by genetic factors like chromosomes. This allows for environmental factors, such as temperature, to have a significant influence on the sex ratio of the offspring in reptile populations.
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3 ways how each of the atmosphere, lithosphere and hydrosphere can be damaged by environmental pollutants
The three ways by which the atmosphere, lithosphere, and hydrosphere can be damaged are pollutant emissions, particulate matter, and combustion appliances.
How may environmental pollutants harm the lithosphere, hydrosphere, and atmosphere?Solid, liquid, and certain gases that are suspended in the air are the main contributors to air pollution. These gases and particles can come from factories, dust, pollen, mold spores, volcanoes, wildfires, and vehicle and truck emissions. Aerosols are solid and liquid particles that are suspended in our air.
Pollutant emissions into the atmosphere have the potential to alter the climate.While different types of particulate matter (PM) can either warm or cool the environment, ozone in the atmosphere warms the climate.Common causes of air pollution include motor vehicles, industrial operations, household combustion appliances, and forest fires. Particulate matter, carbon monoxide, ozone, nitrogen dioxide, and sulfur dioxide are pollutants of great public health concern.To know more about environmental pollutants and pollution, visit:
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Indian elephant is an example for ___ species.
Two differences between the heart of a fetus and an adult heart.
As in an adult heart, the prenatal heart develops four chambers and four valves. But because the fetal lungs will not be used until after birth, blood must bypass the lungs. Two structures develop in the prenatal heart that allow the blood to be routed around the lungs: the foramen ovale and the ductus arteriosus.
Hope it helps...5.
A student hypothesized that lettuce seeds.
would not germinate (begin to grow) unless
they were covered with soil. The student
planted 10 lettuce seeds under a layer of soil
and scattered 10 lettuce seeds on top of the
soil. The data collected are shown in the
accompanying table.
Data Table
Seed Treatment
Planted under soil
Scattered on top of soil
Number of Seeds
Germinated
9
8
To improve the reliability of these results, the
student should
A. conclude that darkness is necessary for
lettuce seed germination.
B. conclude that light is necessary for lettuce
seed germination
C. revise the hypothesis
D. repeat the experiment using a larger sample
size
To improve the reliability of these results, the student should repeat the experiment using a larger sample size (Option D).
Based on the data, 9 out of 10 seeds germinated when planted under the soil, and 8 out of 10 germinated when scattered on top of the soil.
The student's hypothesis that lettuce seeds wouldn't germinate without soil coverage is disproven by the results.
However, to improve the reliability and conclusiveness of the results, the student should repeat the experiment using a larger sample size (Option D).
This would allow for more data points, reducing the impact of any outliers or random occurrences and providing a more accurate representation of the germination process.
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The probable question may be "What other factors could potentially affect the germination rate of lettuce seeds, and how could they be controlled in future experiments to improve the accuracy of the results?"
Which part of plate tectonics does the movement of food coloring represent?
Answer:
Movement of Lava/Magma
Explanation:
These plates move on a hot, flowing mantle layer called the asthenosphere, which is several hundred kilometres thick. Heat within the asthenosphere creates convection currents (similar to the currents that can be seen if food colouring is added to a heated container of water).
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yeast cells produce ethanol in fermentation. Is this process affected by temperature?
Answer:
yes
Explanation:
heat is involve in the process of fermentation