sociology is best defined as the study of
Answer:
B. Their background or traits,rather than their individual performance
Explanation:
What is the serosa?
A. The outermost of the two middle layers of the wall of the GI tract
B. The outer layer of the wall of the GI tract
C. The innermost of the two middle layers of the wall of the GI tract
D. The inner layer of the wall of the GI tract
Which of these strategies reduces demand for new lumber?
A. Prescribed burns B. Composting wood products C. Replanting trees D. Recycling wood products
Answer:
recycling wood products
Explanation:
Recycling wood products reduces demand for new lumber. Therefore, option D is correct.
How do wood products recycle?As scrap wood and timber are gathered, they are taken to recycling facilities where the wood waste is sorted, separated, and ready for processing. The waste wood is then put through a wood shredder, where it is reduced to different sizes according to its intended purpose.
Recycling scrap wood results in products that are used to make paper, panel boards, wood pellets, energy, and other things. Recycling wood can also lessen the quantity of trash disposed of in landfills, where it may take a very long time for it to disintegrate.
Thus, the strategy to reduce demand for new lumber is recycling wood products. Therefore, option D is correct.
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which is of the following is the best example of kinetic energy
A. A flagpole standing in a courtyard
B. A Motorcycle Speeding up on the highway
C. A swimmer getting ready to dive into a pool
D. A Turtle sunning itself on a big rock
Steven wants to build an ornamental fish pond in his garden. The expert at the garden center said he must get an air pump to ensure that the water is oxygenated. What is the correct term for a body of water that is devoid of oxygen? A.hypoxic B.acerbic C.anoxic D.aerobic E.eutrophic
Label the plasma membrane of a cell that is placed in a solution
Ruth has a garden in front of her house. She waters the plants every morning. After some time, the water from the plants and soil evaporate. What is the correct term used for describing this phenomenon? A.precipitation B.condensation C.soil evaporation D.evapotranspiration
Answer:
evapotranspiration
Explanation:
Which muscles act to propel food down the length of the pharynx to the esophagus?
Consider the uninoculated tube.
a. is it a positive or negative control? negative
b. what information is provided by the uninoculated control?
The uninoculated tube is considered to be a negative control because a negative control is an effect of having to show no response. Am uninoculated control is where organisms are not being inoculated such as having a culture bacteria of not being inoculated with an organism.
In mice, black coat color is dominant to white coat color. in the pedigree below, mice with a black coat are represented by darkened symbols, and those with white coats are shown as open symbols. part a using allele symbols b and b, determine the genotypes for each mouse.
What substance is analogous to a factory manager?
The nucleus of a cell is analogous to a factory manager as it controls and regulates the activities of the cell, including directing protein synthesis.
Explanation:In molecular biology, the nucleus of a cell is analogous to a factory manager. The nucleus controls and regulates the activities of the cell (like the manager in a factory), such as metabolism, growth, and reproduction by directing protein synthesis. The nucleus acts much like a manager, dictating which proteins the cell should make, when it should make them, and in what quantities.The supervisor oversees the operations, manages the workers, and ensures that the factory runs smoothly. They are responsible for making decisions, coordinating tasks, and maintaining productivity.
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RNA and DNA are which type of organic compound
Nucleic acids are polymeres composed of several monomers known as nucleotides. RNA and DNA are Nucleic Acids. Option C
What are nucleic acids?
Nucleic acids are large molecules composed of monomers named nucleotides attached to each other by covalent bonds.
These polymers are DNA and RNA, and their nucleotides are composed of nitrogenated bases, sugar groups, and phosphate groups.
DNA and RNA vary in
nitrogenated bases (DNA is composed of adenine, thymine, guanine, and cytosine. RNA is composed of adenine, uracyl, guanine, and cytosine)sugar (DNA sugar is a deoxyribose. RNA sugar is a ribose)RNA and DNA are Nucleic Acids.
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Complete question
RNA and DNA are which type of organic compound
a) carbohydrate
b) lipid
c) nucleic acid
d) protein
The arctic fox and gray fox evolved from the same species over thousands of years. can you place these steps in the process of allopatric speciation along the timeline?
According to model 1, what are the reactants of cellular respiration?
Which best describes the nature of photosynthesis?
It is an energy-attracting process.
It is an energy-building process.
It is an energy-releasing process.
It is an energy-storing process.
Answer:
D
Explanation:
will you find it in your heart to give me brainliest
Cellulose could provide an abundant and cheap form of glucose for humans. why is cellulose not a source of nutrients for humans?
Humans cannot digest cellulose because we lack the enzyme cellulase necessary to break down the ß-1→4 glycosidic linkages in cellulose. While cellulose contributes to dietary fiber that aids digestion and health, it cannot be used as a direct source of glucose for energy by humans.
Explanation:Cellulose is an abundant carbohydrate that makes up the cell walls of plants. It provides structural support and is found in wood and paper. Humans and other animals primarily gain nutrients from food by breaking down carbohydrates into glucose, which is then utilized for energy. While other carbohydrates like starch and glycogen can be metabolized by humans to release glucose, cellulose cannot be digested. This is because the human digestive system lacks the specific enzyme, cellulase, needed to hydrolyze the ß-1→4 glycosidic linkages present in cellulose.
Cellulose consists of ß-D-glucose units linked together in a way that is unbranched and rigid, giving the molecule high tensile strength. Every other glucose monomer in cellulose is flipped, making the structure very tight and resistant to the action of human digestive enzymes. Animals like cows, horses, and sheep, as well as insects like termites, are able to digest cellulose because they have microorganisms in their digestive tracts that produce cellulase. This allows them to use cellulose as a source of glucose for energy.
While humans cannot use cellulose as a source of glucose, it is still an important part of the diet called dietary fiber. Dietary fiber is not digested, but it helps create bulk in the digestive tract, aiding in mobility and promoting a healthy digestive system. A diet high in fiber is also associated with reduced risks of heart disease and some cancers. The mention of glycogen as the storage form of glucose in animals and its contrast with cellulose highlights the specificity of human digestion and metabolism.
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You have been given a ruler to measure a block of wood. What property of the wood will you be able to measure?
A ruler is used to measure a block of wood, which allows you to determine the size dimensions of the object, such as its length, width, and depth, in units like inches or centimeters.
Explanation:When given a ruler to measure a block of wood, the property of the wood you would be able to measure is its size dimensions, typically length, width, and possibly depth or thickness. Rulers are commonly used to measure objects that are relatively small, such as a block of wood, and they can have measurement scales in inches, centimeters, or millimeters. It's important to select the unit of measurement that is most appropriate for the object you are measuring, especially when precision is required.
For example, if you are measuring a small object, a ruler with inches or centimeters would be more suitable than a yardstick or tape measure. However, if you are dealing with a larger piece of wood or measuring for a project like constructing a doghouse, you may need to use a measuring tape or a meter stick to accurately measure longer lengths.
Final answer:
Using a ruler, you can measure the length, width, and thickness of a wooden block. Rulers are marked with customary and metric units, appropriate for smaller items. Proper unit selection ensures precision and practicality in measurement.
Explanation:
If you have been given a ruler to measure a block of wood, the property of the wood you will be able to measure is its length, width, and thickness. A ruler typically has measurements in both customary units such as inches and metric units including centimeters and millimeters. To measure the length of a small object like a wooden block, it is best to use a ruler which can measure up to 1 foot or 12 inches in length, making it suitable for items of a smaller size.
For instance, if you need to determine the size of a crayon, you'd use the inch markings on the ruler to measure its length. When comparing measurements with different units, such as needing to cut a piece of wood that is 200 centimeters using a meter stick, understanding that 100 centimeters equals 1 meter can help you use the tool effectively to get a measurement of 200 centimeters.
Always choose the most fitting unit of measurement. If the object is small, a large unit like feet or yards could compromise precision, whereas if a small unit like millimeters is used for a very large object, it could result in an impractically large number. Thus, the suitability of a ruler, yardstick, or measuring tape depends on the size of the object being measured.
Which biome has plants with adaptations that prevent water loss, such as smaller leaves with few pores for gas exchange?
a. temperate rain forest
b. woodland/shrubland
c. temperate seasonal forest
d. tropical rainforest
e. subtropical desert?
Final answer:
The biome characterized by plants with adaptations to prevent water loss is the subtropical desert. These adaptations include reduced leaf size or spines and a lower number of stomata, which helps such plants to survive in extremely dry conditions.
Explanation:
The biome with plants that have adaptations to prevent water loss, such as smaller leaves with few pores for gas exchange, is the subtropical desert. In order to survive in the extremely dry conditions found in deserts, plants have evolved to minimize water loss. Key adaptations include having smaller leaves or sometimes spines instead of leaves, which reduce the surface area exposed to the sun and wind, and having fewer stomata to reduce transpiration. Additionally, other plants like succulents store water in their thick, fleshy leaves or stems.
Desert plants with such adaptations are quite distinct from plants in other biomes. For example, plants in temperate rainforests and tropical rainforests typically have large leaves, as water is abundant. The temperate seasonal forest is characterized by deciduous trees that lose their leaves in the winter, while woodland/shrublands, or the chaparral, mainly consist of shrubs that can also resist dry periods but not as extreme as desert conditions.
It is also important to note that the understory plants in a temperate forest have adaptations to capture limited light, rather than limited water or nutrients. In the case of the boreal forests, which are incorrectly stated to be dominated by deciduous trees, they are in fact dominated by conifers such as spruce, fir, and pine, which have adaptations like needle-shaped leaves with sunken stomata to reduce water loss.
Explain the different preparations of cocaine and how they are used.
In addition to secreting orexin, the ________ monitors levels of the body's other appetite hormones.
a. hippocampus
b. cerebellum
c. hypothalamus
d. amygdala
"who defined stress as, "the response of the body to any demand, whether it is caused by, or results in, pleasant or unpleasant conditions""
Wastes are poisonous to a cell and must be removed from the cytoplasm. Predict how cell size could affect the removal process and the survival of a cell.
Cell size impacts waste removal; larger cells have a lower surface area to volume ratio, making waste elimination less efficient. The greater distance substances must travel within larger cells slows the diffusion rate, hindering cellular metabolism and potentially causing disease or death.
Cell size can significantly affect the process of waste removal and the overall survival of a cell. The surface area to volume ratio (SA:V) is crucial for efficient waste elimination and nutrient intake. As a cell grows larger, its volume increases faster than its surface area, leading to a lower SA:V ratio. This decrease in ratio means that there is less surface area available for wastes to be expelled relative to the volume of the cell that produces the waste.
Moreover, the distance traveled by substances inside the cell becomes greater in larger cells, slowing down the diffusion rate. Given that a cell's metabolism and the elimination of waste products are critical for its health, cells have evolved to be small or to have specialized shapes that maximize surface area, thus ensuring efficient exchange with their environment. Excessive accumulation of waste products can be toxic and interfere with cellular metabolism, potentially leading to cell death or diseases like cancer and cardiovascular disease.
Ultimately, to maintain a healthy balance and ensure survival, cells need to be able to manage their waste efficiently, which is facilitated by an optimal size and shape that supports rapid transport of materials across the cell membrane.
Which type of coal is found closest to the surface?
Some researchers suggest that poor regulation of the brain's _____ may lead to panic attacks, which cause the limbic system to become overstimulated.
Final answer:
Researchers believe that dysregulation of the limbic system could lead to panic attacks due to its role in managing emotions and the fight-or-flight response, involving key structures like the amygdala and hippocampus.
Explanation:
Some researchers suggest that poor regulation of the brain's limbic system may lead to panic attacks, which cause the limbic system to become overstimulated. This complex network within the brain is responsible for regulating emotions and behaviors linked to fear, motivation, and memory formation. The amygdala and the hippocampus are key structures within the limbic system that play significant roles in emotional processing. An overactive amygdala can result in heightened fear responses, while alterations in hippocampal volume have been observed in mood disorders. Additionally, the hypothalamus, also part of the limbic system, has outputs that travel through the medial forebrain bundle to influence the autonomic nervous system and regulate stress hormone release.
Phospholipid tails are hydrophilic and are attracted to water true or false
Answer:
False.
Explanation:
Phospholipid tails are hydrophobic, which means that they are repelled by water.
Thus, each phospholipid contains a hydrophobic portion (tails) - represented by fatty acids - and a hydrophilic portion (head) - corresponding to the phosphate group and its associated molecules. A notable fact is that, when placed in water, the phospholipid molecules can assume the shape of a sphere, known as micelle: the polar, hydrophilic portions are distributed in the periphery, while the hydrophobic tails, the tails, are in the inside the micelles away from the water.
Phospholipids are amphipatic molecules composing cell membranes. Their heads are hydrophilic, while their tails are hydrophobic. The statement phospholipid tails are hydrophilic and are attracted to water is false.
What are phospholipids?
Phospholipids are amphipathic molecules arranged in cell membranes. They have
hydrophilic heads facing the exterior and the interior of the cellshydrophobic tails that arrange against each other in the interlayer space.In the membrane, phospholipids can easily change places with other lipids by lateral diffusion in the same layer.
They can also diffuse transversally to the other layer but not as easily as lateral diffusion.
There are also other lipidic movements as rotational diffusion that imply the rotation of the molecule.
The statement Phospholipid tails are hydrophilic and are attracted to water is false. Tails are hydrophobic and reject water.
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If you made a change in the promoter sequence in the dna that inactivates the promoter, what would happen at the rna level?
A mother and father have a young daughter who was diagnosed with lesch-nyhan syndrome. no one in the father\'s family was ever diagnosed with the syndrome. the mother\'s maternal grandfather was diagnosed with lesch-nyhan syndrome, but neither one of her parents was diagnosed with the condition. select all the descriptions that could explain how their daughter inherited lesch-nyhan syndrome.
5. What type of molecule is represented by the model below? (2 points)
Carbohydrate
Steroid
Fat
Nucleic acid
Answer:
Fat
Explanation:
A fat molecule is an ester made from esterification reaction between glycerol & fatty acid.
Fatty acids have a long aliphatic chain and a terminal carboxylic acid (-COOH) group while a glycerol molecule is a 3 carbon compound with each carbon being attached to a hydroxyl (-OH) group. When carboxylic acid (-COOH) group of fatty acid reacts with hydroxyl (-OH) group of glycerol an ester is produced which is known as triglyceride and some residual water is also released in the reaction. To be more specific, in esterification reaction, - OH of hydroxyl (-OH) group of glycerol and -H of carboxylic acid (-COOH) group of fatty acid react to form ester bond between the two & release water.
Fat is a type of triglyceride. There are two types of triglycerides (1) Fats & (2) Oils.
Use your periodic table of elements. Take any element of your choosing (from period 4 or above) and answer the following questions:
( I choose silicon)
What is the element's name and symbol? Is it a metal, nonmetal, or metalloid? Which family does it belong to? How many protons, neutrons, and electrons does its neutral atom have?
Thanks!
Answer:
What is the element's name and symbol?
Potassium (K)
Is it a metal, nonmetal, or metalloid?
Metal.
Which family does it belong to?
19 Protons, 20 Neutrons, 19 electrons
How many protons, neutrons, and electrons does its neutral atom have?
Alkali Metals
Explanation: Trust me, I'm in flvs and got full credit for this section of my 3.02 exam.
The process by which plants take carbon out of the atmosphere is called cellular respiration. photosynthesis. diffusion. combustion.
Answer:
Photosynthesis
Explanation:
Plants remove carbon dioxide from the atmosphere through the photosynthesis process, returning only oxygen to the environment at the end of the process.
Photosynthesis is the process by which plants draw their food from light energy. In order for the plant to produce the energy necessary for its survival, it absorbs carbon dioxide and uses it to produce glucose, which is a carbohydrate used as a source of energy. All carbon dioxide that is not used in this conversion ends up being degraded by the plant.