Around 100 B.C., early south american culture produced intricate desert geoglyphs that featured animals, plants, human-like figures, and geometric patterns. The Nazca style evolved from the earlier Parica's art.
Which of the following is located in Mesoamerica, the region of ancient civilization?Costa Rica, Nicaragua, Honduras, El Salvador, Guatemala, Belize, and central to southern Mexico make up the modern nations that make up the historical region of Mesoamerica.
What specialized the Aztecs?The Aztecs are renowned for their art, architecture, agriculture, and land. In addition to creating calendars and temples, they also learned how to write. Additionally, they had a reputation for being ruthless and fierce.
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what are examples of types of chemical markers associated with dna that determines when, where and by how much genes are expressed in each cell?
Histone proteins and epigenetic factors work together to determine when, where and at what level genes are expressed in each cell.
How many genetic markers are used to identify a human?Most of the methodological approaches to identify an individual are based on two types of molecular genetic markers: 1) STRs (Short tandem repeats and 2) SNPs (single nucleotide polymorphisms).
What chemicals affect gene expression?In vitro, animal, and human studies have found different classes of environmental chemicals that alter epigenetic marks, including metals (cadmium, arsenic, nickel, chromium, methylmercury), air pollutants and peroxisome proliferators (trichlorethylene, dichloroacetic acid, trichloroacetic acid).
How many markers are there in DNA?The advanced results up to 68 DNA markers, compared to the industry standard 16 DNA markers, with a result accuracy of 99.9999%. Testing fewer markers may seem cheaper, but clients are more likely to be inconclusive about all significant results
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Water lilies do not grow in desert sand because water availability to these plants in a desert is.
Water supply to these plants in a desert is a limiting element, hence water lilies cannot flourish in desert sand.
A perennial aquatic plant with floating leaves known as a fragrant water lily is often found in water that is 3 to 6 feet deep. It grows in ditches, slow-moving streams, freshwater lakes, and ponds. It is pH-tolerant across a wide range. prefers muddy lake/pond bottoms to silty ones.
The growth of water lilies requires sunlight. While they can tolerate moderate shadow for a while, they still require sunlight for at least three hours each day. You should be careful to place them far from any pumps or leisure areas because moving water is harmful to their growth.
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William found out that bacteria live in oil. Which tatement bet decribe the function of bacteria and their impact on oil
The function of bacteria and their impact on oil can be best described by: (4) Bacteria help increase fertility by decomposing organic matter in the soil.
Bacteria are the prokaryotic organisms that are present everywhere on the Earth. These are single-celled organisms that can be useful as well s harmful for the other living beings. The examples of bacteria are: Salmonella, Bacillus, E. coli, etc.
Organic matter is the large macromolecular carbon based compound that is found in all the living organisms. In fact the feces and waste produced by the living organism is also an organic matter. The bacteria solubilize these organic matter into smaller soluble forms.
The given question is incomplete, the complete question is:
William found out that bacteria live in soil. Which statement best describe the function of bacteria and their impact on soil ?
Bacteria help increase fertility by decomposing organic matter in the soil.Bacteria help increase fertility by loosening soil for root growth.Bacteria reduce fertility by breaking down minerals in the soil.Bacteria reduce fertility by stripping the soil of nutrients.To know more about organic matter, here
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Explain how cells work together to create an organ system.
Cells work together to create an organ system through the process of differentiation.
What is a Cell?This is referred to as the smallest or simplest unit of life and they work together to form tissues, tissues work together to form organs, and organs work together to form organ systems in the body of organisms.
The process of cell differentiation allows multi-cellular organisms to create uniquely functional cell types and body plans and an example is the cardiac muscle cells which group together to form cardiac muscle tissue, which in turn forms the heart and is therefore the ways in which cells work together to create an organ system.
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What are the common types of mutations that occur to convert proto-oncogenes to oncogenes?.
Amplifications and Hypermethylation of promoter sequences are the common types of mutations that occur to convert proto-oncogenes to oncogenes.
A proto-oncogene is a normal gene that is present in a cell. Numerous proto-oncogenes exist. Each one is in charge of producing a protein essential for cell division, growth, and other functions. These genes often carry out their functions without incident.
However, if a proto-oncogene makes a mistake (mutates), the gene may turn on when it shouldn't. If this occurs, the proto-oncogene may develop into an oncogene, a gene that causes cancer. Cancer develops as a result of uncontrolled cell growth.
A collection of typical genes in a cell make up proto-oncogenes.They contain the data required by your body to create the proteins in charge of encouraging cell division, which allows for cell development, suppressing apoptosis, also known as cell death, which is the process by which cells change their role by inhibiting cell differentiation, For cells to maintain healthy tissues and organs in your body, these processes are all necessary.
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Some plants have stems called that grow along the ground, while fungi have hyphae that grow underground. These plant stems are involved in and hyphae are involved in. Both of these structures help the organisms.
Answer:
1. Runners2. Nutrient distribution3. Nutrient absorption 4. Reproduce
Explanation:
Answer:
As the guy above said, 1: runners, 2: nutrient distribution, 3: nutrient absorption, and 4: reproduce.
Hope this helps!
Explanation:
the binding of atp immediately initiates the sliding of muscle filaments past one another.t or f
True the binding of atp immediately initiates the sliding of muscle filaments past one another.
During muscular contraction, what does ATP bind to?ATP then attaches to myosin, causing it to transition to a high-energy state and freeing the myosin head from the actin active site. ATP can then bind to myosin, resuming the cross-bridge cycle and allowing additional muscle contraction.
When an impulse activates the muscle fibres of a motor unit, it initiates a response between the myosin and actin filaments in each sarcomere. It leads to the beginning of a contraction and the sliding filament idea.
When ATP binds to the myosin head domain, the actin-binding site undergoes a slight conformational change, reducing its attraction for actin and causing the myosin head to release the actin filament.
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Adding or removing a single atom will turn a molecule into a molecule of a different substance. How is combining atoms to form a molecule like mixing ingredients for a recipe? pick the correct option.
Adding or removing a single atom can turn a molecule into a molecule of a different substance, just as adding or removing a single ingredient can change the nature of a recipe. In both cases, the combination of atoms or ingredients determines the characteristics of the final product, such as its chemical or physical properties, taste, or texture.
Just as a recipe specifies the quantities and types of ingredients that should be combined to produce a desired dish, the chemical formula of a molecule specifies the quantities and types of atoms that should be combined to produce a particular molecule. For example, the chemical formula for water, H2O, indicates that two hydrogen atoms should be combined with one oxygen atom to produce a molecule of water.
In the same way that a chef must carefully measure and mix the ingredients in a recipe to produce the desired outcome, a chemist must carefully control the quantities and types of atoms that are combined to produce a particular molecule. Changing the quantities or types of atoms in a molecule, or the quantities or types of ingredients in a recipe, can alter the properties of the final product.
Overall, combining atoms to form a molecule is similar to mixing ingredients for a recipe in that both processes involve the careful combination of specific quantities and types of components to produce a desired outcome.
Where is the center of the anatomic origin of the anterior talofibular ligament on the fibula?.
Answer:
Hope this helps!
Explanation:
The fibular origins of ATFL and CFL are concentrated in the lower part of the lateral malleolus and connected with connective fiber [18]. Also, ligament injury is likely to occur at the fibular side or substantial part of the ligament [4, 6]
What creates the boundaries for the distribution of a trait within a population?
Environment creates the boundaries for the distribution of a trait within a population.
Environmental factors can also cause gene mutations, and the most viable mutations are those that can be passed down across generations. Environmental factors also have an impact on how traits manifest, which has an impact on the probability that a trait will emerge in a population. Gene expression can be changed by environmental circumstances, which can affect traits that are determined by heredity. Natural selection, a crucial evolutionary mechanism, is a slow, long-term shift in the genetic composition of populations.
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Genetic variation among humans is relatively small when compared to other species. Where in the human genome does most of the diversity occur?.
The genetic variations seen in and between populations are known as human genetic variation.
Humans differ genetically from one another. Due to developmental mutations and gene copy-number variation, even monozygotic twins, who arise from a single zygote, may differ genetically. Techniques like genetic fingerprinting rely on individual differences, even between closely related people.
There are 324 million identified variations from sequenced human genomes as of 2017.
A person's genome typically differs from the reference genome by 20 million base pairs, or 0.6% of the total 3.2 billion base pairs, as of 2015.
In contrast to other species, humans are genetically uniform. While a limited number of genetic variations are found more commonly in particular geographic regions or in individuals with ancestry from those places, this variance accounts for the majority of genetic variation.
Genetic variation between populations occurs for at least three reasons. If an allele offers a competitive advantage, natural selection may endow people with an adaptive advantage in a particular environment.
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Wright in each box which word go's into the box for science
The complete statements with the most appropriate words in the blanks are as follows:
A Plant cell contains a cell wall and has a rectangular shape.Photosynthesis is the process by which plants are able to use sunlight to make food. A Chloroplast helps to convert sunlight into food for plants. The cell wall is the rigid layer surrounding a plant cell. An animal cell contains many vacuoles and has a circular shape. What is Photosynthesis?Photosynthesis may be defined as a type of process through which green plants and some photosynthetic algae synthesize their own food in the form of glucose with the help of carbon dioxide and water in the presence of sunlight.
The process of photosynthesis is accomplished by the double membrane cell organelle i.e. known as Chloroplast which encloses a green-colored pigment known as Chlorophyll that captures the sunlight and converts radiant energy to chemical energy.
Therefore, the complete statements with the most appropriate words in the blanks are well mentioned above.
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Pathogenic bacteria are likely to multiply rapidly when environmental temperatures are between.
Answer:
20-40
Explanation:
they multiply in an environment at lower temperature
Which of the following does not serve as a way to neutralize the charge in a body? Question 18 options: A) Bringing the charged body into contact with another body having an equal but opposite charge B) Adding free electrons to a positively charged body C) Adding more protons to a positively charged body until the number of protons matches the number of electrons D) Allowing free electrons to escape from a negatively charged body
Adding free electrons to a positively charged body does not serve as a way to neutralize the charge in a body. Option B is correct.
How do you neutralize a charge?
Static electricity can be effectively eliminated by grounding a conductive or dissipative conductor. A non-conducting insulator holds an electronic charge and cannot be grounded to "drain" the charge.
All surfaces, products and personnel are electrically grounded to ground all conductors according to the first ESD control principle. Bonding means connecting or connecting through a resistor, typically 1 to 10 megohms.
A wristband dissipates charge from the operator and a properly grounded mat provides a path to ground for his exposed ESD sensitive equipment.
Movable objects (containers, tools, etc.) are glued by standing on the glued surface or held by the person being glued.
If the static charge in question is on something that cannot be grounded. B. With insulators, ESD control principle number 2 applies and the insulators must be removed. According to the ANSI/ESD S20.20 ESD standard, "All non-essential insulation such as coffee cups, food wraps, and personal items must be removed from the EPA."
Therefore, Adding free electrons to a positively charged body does not serve as a way to neutralize the charge in a body. Option B is correct.
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human hair type is transmitted as an (autosomal) incomplete dominant trait. if curly-haired paul marries straight-haired pam, what percent of their children would have curly hair?
Human hair type is transmitted as an (autosomal) incomplete dominant trait, so if curly-haired Paul marries straight-haired pam, percent of their children that would have curly hair is 0%.
What is an autosomal incomplete dominance?Incomplete dominance is a form of gene interaction where both alleles of gene at a locus are partially expressed, resulting in an intermediate or different phenotype. It is also called partial dominance.
This pattern of inheritance is described as incomplete dominance because neither of the alleles is completely dominant over the other as both alleles can be seen at the same time. For example: allele for red flowers is incompletely dominant over the allele for white flowers, so Red + white = pink.
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How are these limbs different
Answer:
They all have different functions and different methods of transportation for each of the following limbs.
Explain how radiometric dating is used to determine the age of an object.
Be sure to give details.
Radiometric dating, which examines the ratio of two distinct isotopes in a sample, establishes the age of rocks.
How does radiometric dating work to establish an object's age?
The fundamental idea behind radiometric dating is that by comparing an isotope's presence in a sample to its abundance on Earth and its known half-life (rate of decay), you may determine the sample's age.
What can we determine using radiometric dating?
It offers an important source of knowledge regarding the ages of fossils and the estimated rates of evolutionary change by enabling the development of geological timelines.
Ancient artefacts and archaeological materials are both dated using radiometric methods
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What are the common types of mutations that occur to convert proto-oncogenes to oncogenes?.
Answer:
Point mutation. This mutation alters, inserts, or deletes one or more nucleotides (building blocks of DNA and RNA) in a gene sequence. ...
Gene amplification.
Chromosomal translocation (rearrangement).
the following figure shows the general steps that occur when a researcher uses the crispr-cas9 system to modify a protein-encoding gene in a eukaryotic cell with the goal of modifying the protein product. drag the descriptions of the steps to their appropriate locations on the figure.
A scientific advance has been made thanks to CRISPR-Cas9 editing. Many scientists are interested in this and have successfully edited DNA using this method.
Although the use of guide RNA is not new, it has made great strides in directing caspases toward their target sequences.Although the mutations have been reported, they cannot yet be verified. Although it has been reported that CRISPR-Cas causes single base pair deletions in DNA far from its activity site, which lead to gene impairment, the processes of DNA alterations through CRISPR-Cas have not yet established any form of reliable approach.After CRISPR was used to edit DNA, significant changes were seen in DNA sequences thousands of bases away from the region of action.However, there is currently no experimental data that reveals the specific mechanism.
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Construct a food chain. Label the producer, primary consumer, secondary consumer, and tertiary consumer. An owl eats a snake, the snake eats a squirrel, the squirrel ate a nut.
Answer:
Owl - tertiary consumer
⬆️
Snake - secondary consumer
⬆️
Squirrel - primary consumer
⬆️
Nut - producer
chemicals called uncouplers can make membranes permeable to small molecules and ions. what effect might uncouplers have on cellular respiration?
Uncouplers may have an adverse effect on cellular respiration, resulting in lower ATP synthesis since the proton gradient would be reduced.
How could uncouplers affect cellular respiration?Increasing the amount of cellular respiration is possible by including an uncoupler (FCCP), which reduces the proton motive force by causing a short circuit of protons on the inner mitochondrial membrane. Substrate oxidation in this condition serves as the primary predictor of oxygen consumption.
How do uncouplers impact the cycle of electron transport?Uncouplers of oxidative phosphorylation prevent the electron transport and phosphorylation processes from coupling, which prevents the production of ATP without disrupting the respiratory chain or ATP synthase (H(+)-ATPase).
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8. Which of the following best represents the energy flow
between photosynthesis and
cellular respiration?
a. Sunlight → photosynthesis →→ ATP → cellular
respiration →→ Glucose
-
b. Sunlight → cellular respiration → ATP →
photosynthesis → ADP
c. Sunlight → photosynthesis →→ Glucose → cellular
respiration →→ ATP
d. Sunlight → cellular respiration→ Glucose →
photosynthesis →→ATP
OD
carbohydrates, cellular respiration, ATP, light, photosynthesis, and water best represents the energy flow between photosynthesis and cellular respiration
Plants (including algae and some bacteria) employ sunlight, water, and CO2 during photosynthesis to produce sugars (carbohydrates). This reaction, which takes place in chloroplasts, results in the reduction of CO2 (gaining electrons), oxidation of water (losing electrons), and production of oxygen (O2). The usage of that O2 in cellular respiration follows. Cellular respiration takes place in mitochondria and consumes glucose and oxygen to create ATP, which is the energy source. H2O and CO2 are created.
Photosynthesis is essential to most life on Earth. Plants, microalgae, as well as some types of bacteria carry out the process by capturing solar energy to create oxygen (O2) plus biochemical power is supplied in glucose (a sugar). Consequently, herbivores get this energy from consuming plants, and carnivores get it from eating herbivores.
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what is the purpoes of primers? how do they get removed following dna replication in vivo?how are the primers different during in vivo vs in vitro
The Primer is a short DNA fragment to synthesize the new DNA strands.
The target sequence's flanking region's sequence is complementary to the primers' brief synthetic single-stranded DNA molecules. Any desired base sequence for primers can be produced chemically through the chemical synthesis of these DNA molecules. Primers are over the template by millions of folds since each new DNA strand will start with one. Thus, it is essential to understand the template sequence on each side of the DNA region that needs to be amplified. Biotechnology supply businesses offer commercial DNA polymerases and dNTPs. By extending DNA from the primer's 3' end, the DNA polymerase duplicates DNA and creates a new DNA strand. Similar to cellular replication, there are twice as many DNA molecules at the end of the first cycle. However, with PCR, steps 1-3 are performed repeatedly, typically for 25 to 30 cycles.
Hence, primer is short sequence provided in PCR to initiate polymerization.
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Two inect group vary genetically by two gene. When put together, they were able to reproduce and produce offpring that could alo breed. Which bet decribe thi inect population?
They are the same species of insects.
A group of organisms that can reproduce sexually and can result in live, fertile offspring is referred to be a species. Even though there are two genes that separate two insect groups genetically, if they are compatible for mating, they can produce fertile offspring, especially if they are of the same species.
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If a color-blind man marries a woman who is a carrier for color blindness, it is most probable that
A. all of their sons will have normal color vision.
B. half of their sons will be color-blind.
C. all of their sons will be color-blind.
D. none of their children will have normal color vision.
The answer is C right?
Answer:
B. half of their sons will be color-blind.
Explanation:
If a color-blind man marries a woman who is a carrier for color blindness, their children will inherit one X chromosome from the mother and one from the father. If a son inherits the abnormal X chromosome from the mother, he will be color-blind. Since the mother has one normal X chromosome and one abnormal X chromosome, there is a 50% chance that a son will inherit the abnormal X chromosome and be color-blind.
in research with nonhuman primates, which term refers to feelings of concern for others stemming from understanding their feelings?
Anthropomorphism is the feelings of concern for others stemming from understanding their feelings.
Anthropomorphism is when non-human entities are given human characteristics, feelings, or intentions. It is said to be a built-in psychological predisposition in people.The practise of attributing human traits or behaviours to non-human beings, especially animals, is known as anthropomorphism. It is a typical way of viewing and interacting with the environment, however some people are more attracted to it than others.Personification, a similar term, is the attribution of human shape and traits to abstract notions like nations, feelings, and physical phenomena like the seasons and weather.Both have long histories as literary and artistic methods, and traditional fables with anthropomorphized animals are found in most civilizations. Both domesticated and wild animals have frequently been given human emotions and behavioral characteristics.To know more about behavioral check the below link:
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A blood platelet drifts along with the flow of blood through an artery that is partially blocked by deposits. As the platelet moves from the narrow region to the wider region, it experiences.
1. A potometer is made using a glass U-tube, filled with water and mounted on a
stand. In one end of the U-tube, a shoot of a plant is placed and in the other end, a
pipette is placed which can be used to measure the decrease in water level. The
diagram below shows the potometer being used in an experiment.
Both the potometers are placed in well-lit rooms.
All the other conditions except for the conditions mentioned are the same for both
potometers.
For which of these purposes is a potometer likely to be used?
1. To measure the rate of transpiration
2. To measure the rate of photosynthesis
3. To estimate how long a plan can survive without roots
4. the growth of plants under different conditions.
A potometer is made using a glass U-tube filled with water and is a device used to measure the rate of transpiration that is present in Option 1. It measures the rate of water loss.
What is transpiration?The process of transpiration is one in which water is lost from the plants, and this process is important for the environment as it maintains the water cycle of the ecosystem. Devices are there to measure this, such as the potometer, which measures the water loss by the plant.
Hence, A potometer is made using a glass U-tube filled with water and is a device used to measure the rate of transpiration that is present in Option 1. It measures the rate of water loss.
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which of the following most accurately describes biomass energy? select one: a. energy produced with nuclear atoms are split. b. energy produced from burning recently living organisms. c. energy produced from heat stored deep within the earth. d. energy produced from burning ancient, fossilized remains of organisms.
Option B. Energy produced from burning recently living organisms, most accurately describes biomass energy.
Energy created or generated by living or formerly living organismsis known as biomass energy. Plants like the aforementioned corn and soy are the most prevalent types of biomass energy that are utilized for energy. These organisms energy may be used to generate electricity or be burnt to provide heat. biomass energy . When organic material is burnt as a fuel source, electricity can be produced. biomass energy is the term for these fuels, which can be anything from plants to wood to organisms . Crop wastes, for example, are a source of biomass, a sustainable energy source made from organisms ,forest waste. Purpose-grown grasses.
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The offspring of two true-breeding parents that differ in a single character are called single-character hybrids, or.
The offspring of two true-breeding parents that differ in a single character are called single-character hybrids, or monohybrids.
A monohybrid cross occurs when fertilization takes place between two true-breeding parents that only vary in one trait, and the offspring are monohybrids as a result.
A monohybrid cross is a cross between two homozygous individuals, which produces the opposite phenotype for a certain genetic characteristic. "A monohybrid cross is a cross between two monohybrid characteristics (TT and tt)." The monohybrid cross is in charge of passing one gene on.
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