Answer:
B) the correct sequence of amino acids in the synthesized protein.
Explanation:
The given DNA sequence is ATG GCC CAA TCG TGA. Its corresponding mRNA sequence would be UAC CGG GUU AGC ACU.
However, the point mutation has replaced the "C" from forth codon and the mutated codon is "AGU".
Both AGC and AGU code for amino acid "Serine". So, there would not be any change in the amino acid sequence encoded by mRNA which is transcribed from mutated DNA.
Strength training is beneficial because it decreases your risk of injury. Which statement BEST describes why this is true?
A.
Muscular fitness training can prevent or improve diabetes and sarcopenia.
B.
Muscular fitness training increases muscle mass, which increases your metabolism.
C.
Muscular fitness training strengthens tendons, ligaments, and cartilage.
D.
Muscular fitness training improves self-image and athletic performance.
Answer:
The correct answer will be option C.
Explanation:
Physical exercise and training strengthens muscles which help in reducing the injuries and pain as:
Regular exercise lubricates the joints which reduce joint pain and stiffness. Increases muscle strength and flexibility thereby reducing the effect of arthritis. Improve balance and give stability to the body. Improve the performance of muscles by increasing the blood supply to muscles.Thus, option C is the correct answer.
Most populations changed from mostly light colored to mostly dark colored in the 1800s. This relates to _____
Nitrogenous base+sugar+phosphate group=
Which of these indicates equilibrium in the community? A. seral B.pioneer C.ultimate D.intermediate E.climax
Answer: E. climax
An ecological succession refers to the changes that occur in a biotic community with respect to the changes occurring in the abiotic or non-living factors such as soil, weather, temperature, sunlight and others. These changes occur with respect to the time until the ecosystem attains the stability.
A climax community is the end stage of the ecological succession. In this community the living species attains equilibrium which means no further change will occur in these organisms. These species are fit for the survival in the changing environment. Hence, these species are stable.
What strand of dna would be produced from aac ct?
This is the process that releases energy by breaking down food molecules in the presence of oxygen.
The movement of carbon dioxide out of cells and oxygen into cells can best be explained by which process
Answer: The movement of carbon dioxide out of cells and oxygen into cells can best be explained by which process of DIFFUSION.
Explanation: Diffusion is a process by which movement of molecules, body fluids, exchange of gases takes place from the region of higher concentration to the region of lower concentration.
In the body exchange of CO2 and O2 is done in lungs by process of diffusion.
This organelles complex functions to compartmentalize the cell, serves as mechanical support, provides site-specific protein synthesis with membrane-bound ribosomes and plays a role in intracellular transport.
Answer:
The correct answer will be- Rough endoplasmic reticulum (RER).
Explanation:
The endoplasmic reticulum or ER is the enclosed flattened membranous structure present in the cytoplasm. The endoplasmic reticulum is continuous with the nucleus which provides mechanical support to the cell.
In the given question, since it states that organelle contains membrane-bound organelle which helps in the protein synthesis indicates that the organelle is a type of ER called rough endoplasmic reticulum which also provides compartmentalization of the cell along with intracellular transport.
Thus, Rough endoplasmic reticulum (RER) is the correct answer.
What does the sperm need in order to be allowed through the egg's zona?
To fertilize the oocyte, sperm must first penetrate the corona radiata, then bind to and dissolve a path through the zona pellucida. This occurs through an acrosomal reaction, allowing one sperm to fuse with the oocyte's membrane and fertilize it.
Explanation:In the process of fertilization, sperm must penetrate the oocyte's protective layers to achieve fertilization. Initially, hundreds of sperm are attracted to and begin to break through the barrier of granulosa cells known as the corona radiata. These sperm then approach the zona pellucida, a thick, gel-like glycoprotein membrane surrounding the oocyte.
The acrosomal reaction plays a critical role in allowing the sperm to penetrate these barriers. Upon contact with the zona pellucida, the sperm binds to receptors, triggering the release of digestive enzymes from the acrosome. These enzymes aid in digesting the extracellular matrix of the corona radiata and then clear a path through the zona pellucida. Eventually, a single sperm fuses its plasma membrane with the oocyte's plasma membrane, leading to the introduction of the sperm's genetic material into the oocyte and the formation of a zygote.
What is the rda for protein for an adult who weighs 143 lbs?
The RDA or recoommended dietary allowance (RDA) is the least amount of protein needed for a person to be healthy. In American diet it is 0.8 grams per kilogram or (0.36 grams per pound) of body weight per day. If an adult weighs 143 lbs., his RDA can be calculated as follows:
RDA=0.36 x 143
RDA=51.48 grams
What is the rda for protein for an adult who weighs 143 lbs?
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.
The main difference between deserts and steppes is the _____.
vegetation density
annual rainfall
animal population
grass fire frequency
According to the given question, Annual rainfall is the main difference between deserts and steppes
Further Explanation:
Steppes are typical grasslands found almost on all places across the earth. And it has more rainfall than a deserts. Typically, grasslands are dominated by grasses, and growth of the grasses are aided by seasonal rainfall, which are really beneficial to humans and other living things. In terms of economical reasons, grasslands improve the standard of living of humans, and different plants and crops are planted on it, and the annual rainfall on grassland regions further boost the plant growth process and are ready for consumption at a specific period of time. Steppes can be found in Eastern Europe, Asia, North and South America. Steppes are grouped into two forms.
Temperate Steppe Subtropical SteppeDeserts are barren lands or desolate terrains or abandoned places where little or no grass are seen on. Deserts have few rainfall compared to steppes. Due to the limited amount of rain on deserts, plants in the desert typically find it hard to survive. In some cases, Few plants like Cacti, shrubs, succulents and grasses still manage to grow despite the harsh conditions in the deserts, and this is mainly as a result of water storage in the leaves, stems, and also coverings on the leaves with prevent water loss. Deserts are located in Africa, Asia, North and South America, and Europe.
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KEYWORDS:
SteppesDesertsRainfallGrasslandsPlantsWich class of compounds does ammonia belong
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Exponential growth of organisms would eventually lead to _____.
ecosystem dominance
destroyed vegetation
more predators
overpopulation
Exponential growth of organisms in an ecosystem leads to overpopulation, causing scarcity of resources, ecological damage, and socio-political issues due to resource distribution.
The exponential growth of organisms would eventually lead to overpopulation. When an ecosystem experiences exponential growth, resources become increasingly scarce due to the higher demand from a growing population. This overconsumption can lead to a variety of ecological issues, including competing with or devouring native biota, damage to vegetation, and an augmentation in waste generation. Overpopulation exacerbates all other threats to biodiversity and can result in the destruction of populations, species, and communities. In extreme cases, it can even provoke socio-political instability due to the unequal distribution of dwindling resources.
Which of these would best describe the outcome of increasing the kinetic energy of the molecules in the above picture
The question is incomplete, the complete question is:
Which of these would best describe the outcome of increasing the kinetic energy of the molecules in the above picture? A) The temperature will increase. B) The temperature will decrease. C) The temperature will remain unchanged. D) The temperature would fluctuate up and down.
Answer:
The temperature will increase
Explanation:
Temperature is defined as the average kinetic energy of the molecules of a body. Increasing the kinetic energy of the molecules will also increase the temperature of the molecules.
Similarly, kinetic energy is proportional to temperature. Hence an increase in the kinetic energy of molecules also leads to increase in the temperature of the system.
At which location would sunlight have to pass through the thickest amount of atmosphere before reaching Earth's surface?
A. at the poles
B. at the equator
C. at the subtropical latitudes
D. at latitudes between 50 and 80 degrees
Answer: Option (A)
Explanation: The poles are located at the two extreme ends of both the hemisphere, namely the north pole and the south pole.
The sunlight is not directly incident on the poles as the poles are at far distance and the sunlight has to penetrate through the thick atmospheric cloud, which obstructs its light to pass through. So it does not reach the poles and even if the sunlight reaches the poles after passing through the entire atmosphere, it does not have any effect on them.
Whereas at the equatorial region, tropical and sub-tropical region, the sunlight does not face much obstruction and easily reaches the earth's surface.
Thus, the correct answer is option (A).
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Which organism is an example from a pioneer community?
white spruce
grass
heath mat
lichen
Wrong it is not . White spruce!! THE CORRECT. Answer is: lichen.
Answer:
lichen is the correct answer.
Explanation:
lichen is an example from a pioneer community.pioneer species are plants that develop fast and are low to the soil to maximize sunlight absorption. pioneer species are tough and strong, the same as human pioneerslichen is the example of pioneer species and first to colonize a field. lichen can resist a severe environment after the natural disaster.Lichen is called as pioneer species because they are the first to found in a area.what category do the individual organisms we can see with our naked eye fall in to?
The Eukarya domain.
The organisms can be divided into three domains, based on the type of cell that the organism is made of:
Bacteria domain: cells do not contain a nucleus.When people run quickly, they can sweat profusely. Their muscles undergo movement, and the loss of energy takes place. Based on this description, in which two ways is energy conserved when people run?
The two ways by which a person can save the energy of the body is by increasing the muscular endurance and cardiovascular endurance.
Cardiovascular endurance can be defined as the ability to perform exercise at moderate level for an extended period of time. This helps to maintain the heart rate during running or exercise.
Muscular endurance can be defined as the efficiency of a muscle to sustain repeated contractions of muscles against a resistance for a longer period of time. It provides power and strength to the muscles.
Energy is conserved when running mainly through sweat, which cools the body as it evaporates, taking heat with it. Wiping sweat away prevents this cooling process. This regulation of body temperature is important for maintaining a balanced metabolic rate.
When running, energy conservation in the body occurs in a couple of ways related to heat and sweat. As runners exercise and their muscles work, they produce heat due to an increased metabolic rate. This is a result of metabolism speeding up to supply energy for muscle contraction, leading to the production of more heat than when at rest. To cool down and maintain body temperature, our body sweats. As sweat evaporates from the skin, it takes a substantial amount of thermal energy away from the body. This cooling effect is due to the energy transition from the liquid state of sweat to the gaseous state as it evaporates, which is called latent heat of vaporization.
Wiping sweat with a towel does not provide the same cooling effect because it removes the sweat before it can evaporate and take the heat with it. In essence, the evaporation of sweat is a key way the body conserves energy by regulating temperature without losing heat through more energy-intensive processes such as panting or altering blood flow. The balance between energy intake and expenditure is essential for maintaining a healthy metabolic rate and body thermoregulation
Why is a skeptical attitude important in science?
A)It allows scientists to challenge inaccurate information.
B)It allows scientists to accept all information as true.
C)It ensures that scientists write short articles.
D)It highlights the good features of an experiment.
E)It provokes other scientists.
The anterior (ventral) rootlets carry ___________ impulses to the spinal nerves.
On the basis of the results of your tlc analysis, list the analgesic standard compounds in order of decreasing polarity.
Aspirin, Naproxen, Ibuprofen, Acetaminophen (most polar to least polar).
Most Polar:
Aspirin: Has both a carboxylic acid (-COOH) and a phenolic hydroxyl group (-OH) which can readily form hydrogen bonds with water molecules, making it very water-soluble and thus polar.
Naproxen: Contains a carboxylic acid group and an aromatic heterocyclic ring with nitrogen, again enabling significant hydrogen bonding and a relatively high polarity.
Less Polar:
Ibuprofen: While possessing a carboxylic acid group, it lacks the strong hydrogen bonding potential of a phenolic hydroxyl like aspirin. Its bulky hydrocarbon chain also reduces its overall polarity compared to both aspirin and naproxen.
Acetaminophen: Has only a single hydroxyl group and an amide (-NHCOCH3) group, both of which offer limited hydrogen bonding ability compared to the other compounds. Additionally, the electron-withdrawing effect of the aromatic ring reduces the polarity of the hydroxyl group further, making acetaminophen the least polar among the four.
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identify the parts of a leaf that make up its transport system. Analyze how some of these parts may be thought of as a transport subsystem
Post parturient ketosis usually appears
A. during lactation.
B. when an embryo first becomes a fetus.
C. during fertilization of an ova.
D. during the first trimester of pregnancy.
Describe generally what happened to each spot of each type of ink. which had the most pigments?
The sage plant (salvia leucophylla) secrets a chemical that inhibits the growth of other sage plants nearby. considering this, what is the most likely pattern of dispersion one would find in the plant's natural habitat? clumped
Final answer:
The sage plant (Salvia leucophylla), through the process of allelopathy, likely exhibits a uniform pattern of dispersion in its natural habitat due to the chemical inhibition of nearby individuals' growth.
Explanation:
The sage plant (Salvia leucophylla) secretes a chemical that inhibits the growth of other sage plants nearby. This phenomenon, known as allelopathy, results in a specific pattern of dispersion in the plant's natural habitat. Considering the inhibitory effect this chemical has on the growth of nearby individuals of the same species, the most likely pattern of dispersion found in Salvia leucophylla's natural habitat would be a uniform dispersion. In uniform dispersion, individuals are more or less equally spaced apart. This pattern occurs because the chemicals secreted by these plants create an environment where it is beneficial for each individual to be spaced at a regular distance from others to reduce competition and chemical interference.
Examples of uniform dispersion in nature are not limited to sage plants but also include territorial animals and other plant species that engage in similar competitive or inhibitory behaviors. Thus, the dispersion of individuals within a population, whether it be uniform, random, or clumped, provides important information about how they interact with each other and with their environment.
Explain why phosphorus does not circulate in the troposphere to a great extent
How is homeostasis important to the survival of organisms?
A. Homeostasis allows organisms to regulate their temperature.
B. Homeostasis helps organisms locate food.
C. Homeostasis makes organisms grow bigger and taller.
D. Homeostasis makes all organisms hibernate.
The correct answer is A. Homeostasis allows organisms to regulate their temperature.
Explanation:
Homeostasis is a natural process in cells and complex organisms that make these preserve inner stability or equilibrium despite external changes. This includes the ability of organisms to keep adequate hydration levels, temperature, and nutrient levels that are necessary to survive. In the case of temperature, this is part of homeostasis as most organisms have different mechanisms to regulate temperature; for example in the case of humans, when the external temperature increases the body uses sweating as a mechanism to avoid the internal temperature to increase. Thus, one of the reasons homeostasis is important to the survival of organisms is that it allows them to regulate temperature (Option A).
Animals can maintain steady internal and external surroundings with the best operating conditions due to homeostasis. So, option A is correct since homeostasis allows organism to regulate their temperature.
A biological creature can retain internal stability while adjusting to shifting environmental conditions through a process known as homeostasis. Homeostasis is a dynamic process that can alter internal circumstances as needed to survive threats from the outside world. It is not static and unchanging.
Since homeostasis enables the organism to operate normally and protects them from harm from excessive temperatures or other environmental changes, that is crucial for organism's existence.
Therefore, option A is correct.
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Critique the statement, “The color of an object depends on the wavelengths of light it absorbs.” Why is the statement inaccurate? How could you change the statement so it is correct?
Explain what is meant by a metapopulation and how it relates to the desert bighorn sheep
Desert bighorn sheep form a metapopulation due to their fragmented habitat, with isolated populations linked by occasional movements of individuals. This dynamic helps maintain genetic diversity and influences conservation strategies for the species.
A metapopulation is a group of spatially separated populations of the same species that interact to some extent.These populations are linked by occasional movements of individuals between them, either through dispersal or migration.In the context of desert bighorn sheep, metapopulation dynamics occur due to the fragmented nature of their habitat.Desert bighorn sheep populations are often isolated in different mountain ranges or patches of suitable habitat within the desert.Individuals may move between these populations in search of resources such as food, water, or mates, especially during certain times of the year.The concept of a metapopulation is important for understanding the genetic diversity, demographic trends, and overall conservation status of desert bighorn sheep across their range.