Answer:
c
Explanation:
These thyroid hormones stimulate all the cells in the body and control biological processes such as growth, reproduction, development, and metabolism.
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the noniflower is a plant that grows in soil with a ph of 7.4 to 8. a variation of this species, called the
mariflower, can grow at a more acidic ph. researchers observed an area where noniflowers typically
grow over a period of 50 years. their data showed that the number of mariflowers slowly increased and
the number of noniflowers slowly decreased. the impact of environmental factors on this trait shift was
also documented.
explain why an increase in precipitation and in the number of nearby factories has a greater impact
on the occurrence of the mariflowers than changes in temperature, length of day, and invasive
species.
Factories increase pollutants in the atmosphere. Liquid deposition by the increase in precipitation causes soil acidification. Mariflower plants' growth is favored over noniflower plants.
What is soil acidification?Environmental acidification is a process produced by a decrease of pH in the environment mainly due to pollution increase.
Soil and water lose their neutralizing capacity, increasing sulfuric and nitric acids released to the environment by different sources.
In nature, there is a natural release of sulfur and nitrogen oxides. However, the concentration of these gases in the environment is sharply increased by anthropogenic sources -like factories-.
Sulfur and nitrogen oxides react with radical hydroxyls and atmospheric water vapor to become sulfuric and nitric acids, respectively.
These acids are dissolved in atmospheric water drops that drive them to the ground. This event is known as liquid deposition and can be caused by rains (acid rain), snow, dew, or fog.
Also, a fraction of these acids return to the Earth's surface as gases or aerosols. This phenomenon is called dry deposition, which occurs more frequently near the sources.
Usually, rainwater pH is about 5.6.
However, with high concentrations of acids in the environment, rainwater pH decreases.
When the the rain gets to the ground, they produce a series of chemical changes that alter the natural pH of the soil and water and have a consequent effect on ecosystems.
The main acidification agents are sulfur dioxide (SO₂) and nitrogen oxides (NOₓ), and to lesser extent ammonia (NH₃).
Factories, among many others, are a significant anthropogenic source of pollution.
In the exposed example, we know that
The increase in precipitations and the number of factories had a high impact.
Temperature, length of days, and presence of invasive species had a low impact.
From this information, we can exclude temperature, length of days, and invasive species as significant variables influencing the noniflower and mariflower plants' growth.
According to the information provided before, we can assume that factories are the pollution sources that release nocive gases to the environment.
In the area near these factories, dry deposition might occur. The increase in precipitation means an increase in liquid depositions because a higher concentration of acids reaches the soil dissolved in water drops.
Liquid and dry deposition near factories cause soil acidification.
Noniflower plants can not grow in acid soils, so their reproductive and survival rates decrease. The number of noniflowers plants slowly decreases fear the factories. Mariflowers plant, on the other hand, grows in acid soils. They turn to be favored by the acidification caused by factories' pollution. The number of mariflowers slowly increase.Factories increase the concentration of pollutants like SO₂ and NOₓ in the atmosphere. Liquid deposition caused by the increase in precipitation causes soil acidification. Both events favor mariflower plants' growth over noniflower plants.
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The federal agency of the public health system that is most involved with the health and welfare of United States citizens is the:_________
What does the motif of blood symbolize?.
At some stage in time, blood symbolizes been associated with opposites, which include existence/loss of life, demise/redemption, - everlasting existence - innocence/massacre, illness/remedy, the Aristocracy/malediction (hemophilia in the “Blue Blood” descendants of Queen Victoria), generosity/transmission of infections, and enchantment/repulsion.
Spilled or misplaced blood makes the body weaker, combined blood undermines purity, and alcohol or drugs within the blood are poison or corrupt. At any other stage, blood denotes family tree, lineage, and procreation.
While we dream of blood, we regularly assume it is a premonition of demise. however, blood in the nonsecular realm represents power and lifestyle force. So if you see different human beings bleeding for your dream, it means their lifestyle selections are hurting them so you must select your very own course.
In Macbeth, blood symbolizes guilt for the protagonists. As blood is shed several times during the play, it sticks to the assassin and makes them remorseful and feels guilty about their moves. At the beginning of the play just after Macbeth has killed Duncan, he exemplifies blood to describe his guilt for his actions.
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why are some types of organisms much more commonly fossilized than others?
Answer:
The enamel and dentin of teeth are harder than bone and as a result, teeth are more likely to be fossilized than other parts of a vertebrate.
Explanation:
the integumentary system is composed of hair, skin, and nails. it functions to protect the body from the external environment. which animal cell organelle has a similar function?
The cell organelle which has similar function as integumentary system is cell membrane. Thus, option A is correct.
Cell is defined as the base of life as it is the structural as well as functional unit of life. Cell is made up of pre existing cells and the cell contain various cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.
Basically, cell is of two type one in prokaryotic and another one is eukaryotic. The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.
The unicellular animals are made up of single cell and all the functions carried out in a single cell like amoeba and multicellular organisms are made up of multiple cells and there is specific cell for specific functions.
Therefore, The cell organelle which has similar function as integumentary system is cell membrane. Thus, option A is correct.
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Full Question ;
composed of hair, skin, and nails. Its function is to protect the body from the external environment. Which animal cell organelle has a similar function?
A Cell membrane
B Nucleus
C Mitochondria
DRibosome
Most aquatic plant life can be found in the littoral zone. T or F?
Answer:
True.
Explanation:
The littoral zone has a greater biodiversity than the benthic zone because the littoral zone can support plant life.
Answer:
true
Explanation:
which statement is true of y chromosomes
a. only men have them
b. all babies have them
c. only women have them
d women have two of them
Answer:
A. Only men have them
Explanation:
Men's DNA code is XY
Woman's is XX
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A plant in the understory of a forest displays a segmented stem and slender leaves arranged in a whorl. It is probably a ________.
A plant in the understory of a forest displays a segmented stem and slender leaves arranged in a whorl. It is probably a bamboo.
Bamboo plants display a segmented stem and slender leaves arranged in a whorl. The segmented stem, or culm, of a bamboo is usually hollow, which makes it both lightweight and strong. The slender leaves, or foliage, are arranged in whorls around the stem. The leaves of bamboo plants are typically long and narrow, with pointed tips and parallel veins.There are over 1,000 species of bamboo found around the world, and they can grow in a variety of environments, including the understory of a forest.
Bamboo is an important plant for many cultures, as it has many uses. For example, bamboo can be used to make furniture, tools, paper, and even clothing. Additionally, bamboo is an important food source for many animals, such as pandas. In some areas, bamboo is also used to prevent soil erosion and to purify water.
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Why do the plant and animal cells SHARE some levels of classification?
Why are some levels of classification DIFFERENT?
Answer:
Evolution and adaptation
Explanation:
I would say that the first reason for animal and plant cell to be alike in some ways is for the main reason of us being derived from the same original source but the difference between the cells comes with the organisms adaptation to the different environments. hope that helps!
This is a question on the circulatory system. I don't understand how the pathway that the blood goes through in the heart makes it oxygenated. Could someone pleas explain to me what each part does and how when it goes to the lungs it gets oxygenated?
Answer:
deoxygenated blood is pumped back to the heart with the superior vena cava and inferior vena cava. Blood is then in the right atrium then it is pushed to the right ventricle in the heart. it is the pumped through the pulmonary artery to the lungs(the pulmonary artery is the only artery that carries deoxygenated blood). In the lungs blood is pumped to the cappilleries in the bronchus where oxygen in the air is passed through to the blood with heamoglobin and thus now the blood is oxygenated. The blood is the pumped brought back to the heart with the pulmonary vein(the pulmonary vein is the only vein to carry oxygenated blood).It flows into the left atrium where it is then pushed down into the left ventricle and is then pumped up through the aorta to the whole body.
Explanation:
I hope this explains what you asked.
Ocean ridges form at convergent boundary true or false
Answer:
True!
Explanation:
Sometimes an entire ocean closes as tectonic plates converge, causing blocks of thick continental crust to collide. A collision mountain range forms as the crust is compressed, crumpled, and thickened even more. The effect is like a swimmer putting a beach ball under his or her belly—the swimmer will rise up considerably out of the water. A convergent boundary (also known as a destructive boundary) is an area on Earth where two or more lithospheric plates collide. One plate eventually slides beneath the other, a process known as subduction.
The lymphatic capillaries reabsorb as much as 20% of the fluid lost by the blood capillaries. TRUE or FALSE
The lymphatic capillaries absorbs excess of tissue fluid which is formed by oozing out of fluids from blood capillaries. About 10% of the fluid lost is reabsorbed. So the statement is false.
Lymphatic capillaries are a part of lymphatic system. When blood flows though small blood capillaries, plasma is leaked out into the surrounding tissues and becomes the part of tissue fluid. This tissue fluid helps in exchange of oxygen and nutrients to the cell and waste and carbon dioxide from the cells.
When there is an increase in osmotic pressure of tissue fluid, it is reabsorbed by lymphatic capillaries and is returned to the blood stream. Unlike blood capillaries, lymphatic capillaries allows transport only in one direction, to the vessels. This carries the fluid back to the blood stream. This transport is facilitated by the contraction of muscles. So as there is no pumping or an external force acting on this flow, it is slow.
About 10% of the fluid is reabsorbed by the lymphatic capillaries.
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A person with anti-A and anti-B antibodies in their blood has what blood type?А. type AВ. type BС. type ABD. type 0
The answer is the letter D. type O
The blood type O contains both the anti-A and anti-B antibodies in their plasma. Antigens are protein molecules that are found on the surface of red blood cells and they are involved in the natural defense of the body. They have the ability to recognize foreign substances including germs and aerts the
What are the positive effects human activities on vegetation?
Answer:
Vegetation cover is also significantly impacted by human activities. Changes in land use resulting from human activities such as urbanization and agriculture are important factors influencing the spatial pattern of vegetation.
Answer:
Vegetation plays a vital role in our natural ecosystem and also supports the biosphere in various ways; vegetation helps to regulate the flow of numerous biogeochemical cycles, most importantly those of water, carbon, and nitrogen; it also contributes in the local and global energy balances. With the continuous increase in the population, the negative impact of human activities on the ecological environment is also increasing, such as overgrazing caused by the rapid increase of livestock.
atp is the most important biological molecule that provides chemical energy. how does atp release energy?
Adenosine triphosphate (ATP) is a vital molecule that serves as the primary source of energy for cellular processes in living organisms. When a cell requires energy.
ATP releases energy by breaking the bond between the last two phosphate groups, converting ATP to adenosine diphosphate (ADP). This process is known as hydrolysis, which releases energy when water is added to the bond between the second and third phosphate groups.The energy released during ATP hydrolysis is utilized by cells to perform various functions such as muscle contraction, active transport, and biosynthesis. This energy transfer occurs through a process called phosphorylation, in which a phosphate group is transferred from ATP to another molecule, thereby increasing the energy level of the recipient molecule.
In summary, ATP releases energy by breaking the bond between the second and third phosphate groups through hydrolysis. This energy transfer is used to fuel cellular processes through phosphorylation, making ATP an essential biological molecule for all living organisms.
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ATP, a critical biological molecule, stores and provides energy for cells. Energy is released when ATP is hydrolyzed into ADP and a phosphate group. This energy is used for cellular functions, and the process is often powered by the breakdown of complex molecules like sugars or fats.
Explanation:Adenosine triphosphate, or ATP, is a key biological molecule that stores and provides energy for cellular functions. It is composed of a nucleotide, a five-carbon sugar, and three phosphate groups. When ATP is hydrolyzed into ADP (adenosine diphosphate) and a phosphate group (P¡), energy is released, which is used to perform cellular work.
Cells principally use ATP to carry out work by coordinating the exergonic reaction of ATP hydrolysis with endergonic reactions. This involves the process of ATP donating its phosphate group to another molecule through phosphorylation. This results in the phosphorylated molecule being at a higher-energy state and less stable than its unphosphorylated form. The occupied energy from the phosphate group addition allows the molecule to perform its endergonic reaction.
Additionally, glucose breakdown is an important process through which a significant amount of ATP molecules (36 to 38 molecules per single glucose molecule) are produced. This process, termed a catabolic pathway, works by degrading complex molecules (like sugars or fats) into simpler ones, releasing energy that is then used to produce ATP.
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what is a major drawback of using fossil fuels
A. they cool the plant
B. they generate electricity
C. thye release carbon dioxide
D. they destroy greenhouse gases
according to one theory, the first prokaryotes probably obtained their food _____.
One hypothesis holds that the first prokaryotes most likely received their food via ingesting organic compounds. There's a good chance that the first cells were nothing more than organic substances, like a crude RNA, encased in a membrane.
Some prokaryotes in microbial mats started using sunlight as a more accessible energy source when photosynthesis first emerged around 3 billion years ago, whilst others continued to rely on chemicals from hydrothermal vents. The earliest known living forms are microscopic organisms (microbes), which left traces of their existence in rocks 3.7 billion years ago. More primitive than these E. coli bacteria, the first cells were probably prokaryotic-like primordial cells.
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Answer:
New moon to full moon: waxing crescent, first quarter, waxing gibbous,
Full moon to New moon: Waning gibbous, Third quarter, Waning crescent,
Explanation:
Answer:
Going from a New Moon to a Full Moon: Waxing Crescent, First Quarter, Waxing Gibbous
Going from a Full Moon to a New Moon: Waning Gibbous, Third Quarter, Waning Crescent
Explanation:
Which situation is the best example of translational motion? a ballerina standing on one foot a coin spinning on a desk a car in a parking lot with its engine running a leaf blowing across the field
Answer:
A leaf blowing across the field.
Explanation:
it is going from point a to point b.
Answer:
A leaf blowing across a field
Explanation:
It is following a path from point a to point b.
to obtain k2, the turnover number of an enzyme, one must
To obtain k2, the turnover number of an enzyme, one must divide Vmax by kcat.
The turnover number, or kcat, of an enzyme is a measure of the maximum number of substrate molecules that can be converted to product per enzyme molecule per unit time when the enzyme is fully saturated with substrate. It is expressed in units of ⁻¹.
The Michaelis-Menten equation describes the relationship between enzyme kinetics and substrate concentration. The equation is given by v = (Vmax [S]) / (Km + [S]), where v is the initial reaction velocity, Vmax is the maximum velocity of the reaction, [S] is the substrate concentration, and Km is the Michaelis constant.
The turnover number, kcat, is equal to Vmax / [E]t, where [E]t is the total enzyme concentration. Therefore, to obtain k2, the turnover number of an enzyme, one must divide Vmax by kcat, which gives the value of [E]t.
Thus, dividing Vmax by kcat provides a measure of the number of catalytic cycles that an enzyme molecule undergoes per unit time when the enzyme is fully saturated with substrate. This parameter is useful in comparing the efficiency of different enzymes and in understanding the factors that affect enzyme catalysis.
The complete question is:
To obtain k2, the turnover number of an enzyme, one must
divide Vmax by kcat.
divide v by Vmax.
divide Vmax by 2.
divide Vmax by the total enzyme concentration.
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Which of the following would you expect to find in the urine of a dehydrated person?
Why were the modern constellations not added by the ancient astronomers
Construct an explanation based on evidence for how the structure of DNA determines the structure of proteins. Be sure to describe the steps in the process of protein synthesis.
Answer:
DNA is the genetic material that contains the instructions for the synthesis of proteins. Proteins are essential for the proper function of cells and are responsible for a wide range of functions, such as structural support, enzymatic activity, and cellular signaling. The structure of DNA determines the structure of proteins through a process called protein synthesis.
Protein synthesis occurs in two main steps: transcription and translation.
Transcription is the process by which a specific segment of DNA, called a gene, is copied into a complementary RNA molecule. This RNA molecule is called messenger RNA (mRNA).
Translation is the process by which the sequence of nucleotides in the mRNA molecule is translated into the sequence of amino acids in a protein. This process occurs on ribosomes, which are the protein-synthesizing organelles of the cell.
1. Complete a dichotomous key for the 10 leaves on the Common Leaves sheet. The chart provided here allows for 11 pairs of statements. Depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.
Statement Types/Dichotomous key for leaves Identification Name/Number of Leaves
Statement 1a Click or tap here to enter text.
go to statement or identify leaf Click or tap here to enter text.
Statement 1b Click or tap here to enter text.
go to statement or identify leaf Click or tap here to enter text.
This dichotomous key should help you identify the leaves on the Common Leaves sheet by asking a series of yes/no questions and directing you to the appropriate leaf based on your answers.
Sure! Here's a dichotomous key for the 10 leaves on the Common Leaves sheet:
1a. Leaves are needle-like or scale-like (go to Statement 2)
1b. Leaves are not needle-like or scale-like (go to Statement 3)
2a. Leaves are arranged in clusters (go to Statement 4)
2b. Leaves are not arranged in clusters (go to Statement 5)
3a. Leaves are broad and flat (go to Statement 6)
3b. Leaves are not broad and flat (go to Statement 7)
4a. Clusters of leaves have 2 needles (go to Leaf 1)
4b. Clusters of leaves have more than 2 needles (go to Leaf 2)
5a. Leaves are feathery and fern-like (go to Leaf 3)
5b. Leaves are not feathery and fern-like (go to Statement 8)
6a. Leaves are heart-shaped (go to Leaf 4)
6b. Leaves are not heart-shaped (go to Statement 9)
7a. Leaves have a sawtooth edge (go to Leaf 5)
7b. Leaves do not have a sawtooth edge (go to Statement 10)
8a. Leaves have rounded lobes (go to Leaf 6)
8b. Leaves do not have rounded lobes (go to Statement 11)
9a. Leaves have a waxy texture (go to Leaf 7)
9b. Leaves do not have a waxy texture (go to Leaf 8)
10a. Leaves have deeply cut lobes (go to Leaf 9)
10b. Leaves do not have deeply cut lobes (go to Leaf 10)
Leaf 1: White Pine
Leaf 2: Red Pine
Leaf 3: Maidenhair Fern
Leaf 4: Sweetgum
Leaf 5: Red Maple
Leaf 6: Sugar Maple
Leaf 7: Magnolia
Leaf 8: Dogwood
Leaf 9: Oak
Leaf 10: Ginkgo
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Parker Street is perpendicular to the rain-
line and has a y-intercept of -5.5. If Mary is
traveling north-east on Parker Street, at
what point will she intercept the rain?
Answer:c
Explanation:
Can someone help me answer this please
while making an after-finals victory sandwich, you noticed a bit of green on your bread. not wanting to start over, you decide to cut the green portion out and still go at it. using what you know about organismal diversity, why is this a futile attempt at clearing your bread of non-bread stuff?
You can also tap the bottom of the loaf and listen for a hollow sound, and the sides should be firm and golden brown. But, the thermometer test is the most reliable.
Hard, crusty bread is baked until the center of the loaf registers 200 to 210 degrees F (212 degrees F when steam is used).incapable of producing any result; ineffective; useless; not successful. Attempting to force-feed the sick horse was futile. 2. trifling; frivolous; unimportant.actions) having no effect or achieving nothing: Attempts to get supplies to the region are futile because troops will not allow the aid convoy to enter the city. It's completely futile trying to reason with him - he just won't listen. All my attempts to cheer her up proved futile.
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How do the industrial, agricultural, and residtual activites of human most likely affect the ground water in the area
The industrial, agricultural, and residual activities of human prevent most of the water from evaporating into the atmosphere. Pollutants from the activities enter through the soil and enter the water table.
What is atmosphere?
An atmosphere refer to as the layers of gases surrounding a planet or other celestial body. Earth's atmosphere is comprises of about 78% nitrogen, 21% oxygen, and 1% other gases.
Human activities such as pumping water from the ground for oil and gas extraction, may cause an aquifer to hold too much ground water. Too much ground water emission to streams can lead to erosion and change the balance of aquatic plant and animal species.
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What happens to the enzymes that carry out glycolysis and fermentation under acidic conditions (as opposed to neutral conditions)? Compared to neutral conditions, do you expect that the enzymes in an acidic environment will catalyze the reactions required for glycolysis and fermentation? Why or why not? Be sure to include enzyme shape, function, all the bonds that makeup proteins in the order of weakest to strongest and which types of bonds (if any) are subject to breaking.
Under acidic conditions, the enzymes that carry out glycolysis and fermentation may become denatured. This means that the shape of the enzyme will change, which can affect its function.
The bonds that make up proteins, in order from weakest to strongest, are hydrogen bonds, ionic bonds, covalent bonds, and disulfide bonds. Hydrogen bonds and ionic bonds are more likely to be subject to breaking in an acidic environment, while covalent bonds and disulfide bonds are less likely to be affected. As a result, the enzymes in an acidic environment may not be able to catalyze the reactions required for glycolysis and fermentation as efficiently as they would in a neutral environment.
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9
Which of the following will reduce airway resistance? (choose all that apply, no partial crearivi cold air 1 - Sympathetic stimulation D Nitric oxide E. Histamine
Airway resistance can be reduced by the following factors:Sympathetic stimulation Nitric oxide Histamine To know the best option that will reduce airway resistance among the options given, let's discuss each one of them.1. Sympathetic stimulation Sympathetic stimulation reduces airway resistance.
During this response, norepinephrine is released which binds to beta-2 receptors present in the bronchiolar smooth muscle. This binding causes relaxation of smooth muscle cells and reduces airway resistance.2. Nitric oxide Nitric oxide is a vasodilator and a potent bronchodilator. It causes relaxation of smooth muscle cells in the respiratory system, thereby reducing airway resistance.
3. Histamine Histamine, on the other hand, increases airway resistance. Histamine is a vasoactive amine that is released from mast cells, basophils, and other tissues. When released, it causes bronchoconstriction, edema, and increased secretion of mucus.The option that will reduce airway resistance is Sympathetic stimulation, Nitric oxide, and Histamine.
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