Safety goggles are wise to wear during what process in screen printing?
Answers
Answer:
The basic process of screen printing involves creating a stencil on a mesh screen and then pushing the ink to create and imprint the design on the below surface. The most common surface used in screen printing is paper and fabric, but metal, wood, and plastic can also be used.
Explanation:
Related Questions
What would you need to add to your brain model in order to create a model of the central nervous system? To which brain area would you connect it?
And my second question is " 4. If you were to add the diencephalon to your model, where would it go? "
Answers
Answer:
First question:
To create a model of the central nervous system, you need to add the spinal cord and connect it to the brainstem in your brain model. The brainstem is responsible for many vital functions and helps integrate and regulate the body's functions.
Second question: The diencephalon goes above the brainstem in the model, contains important structures involved in various functions, and completing the central nervous system representation.
Explanation:
1. The spinal cord is connected to the brainstem, which is the lower part of the brain that is continuous with the spinal cord. Therefore, you would connect the spinal cord to the brainstem in your model of the central nervous system. The brainstem is responsible for many vital functions, such as breathing, heart rate, and blood pressure, and is also involved in the transmission of sensory and motor signals between the brain and the body.
By adding the spinal cord to your brain model and connecting it to the brainstem, you would create a model of the central nervous system that includes both the brain and spinal cord, and their integration and regulation of the body's many functions.
2. If you were to add the diencephalon to your model, it would go above the brainstem, in between the brainstem and the cerebral hemispheres. The diencephalon is a part of the forebrain, and it contains several important structures, such as the thalamus, hypothalamus, and epithalamus. These structures are involved in various functions, including sensory perception, regulation of autonomic processes, and control of the endocrine system. Adding the diencephalon to the model would provide a more complete representation of the central nervous system and its many functions.
Hope this helps! If not, sorry about that! If you need more help you may ask me! :]
HELP
A scientist is investigating two proteins. The first protein has a sequence of 20 amino acids. The second protein also has a sequence of 20 amino acids, but they are in a different order. Which BEST explains what the scientist will observe? A The proteins will have identical functions because all amino acids have the same structure. B The proteins will have different functions because the amino acids are in a different sequence. C The proteins will not be able to function because there are not enough amino acids in their sequences. D The proteins will have similar functions because the sequences contain the same number of amino acids.
Answers
Answer:
B
Explanation:
Amino acids fold to form the protein and give it its functionality. Different orders of amino acids fold differently and make a different shape. The shape of the protein defines its function. The function will vary wildly
The proteins will have different functions because the amino acids are in a different sequence.
Amino acids are transcribe into proteins which then perform there respective functions.
What are proteins?Proteins are the biomolecules made of amino acids linked by peptide bonds.The sequence of amino acid determine each protein's structure and function.Hence, B) option is correct.
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how do the peaks in the rna-seq read coverage track relate to mrna?
Answers
The peaks in the RNA-seq read coverage track represent regions of the mRNA that are highly expressed, indicating areas of high transcriptional activity.
RNA-seq is a powerful technique used to study gene expression by sequencing the RNA transcripts in a sample. In RNA-seq analysis, the coverage track is a graphical representation of the read depth at each position along the length of the mRNA.
The read coverage track is used to identify areas of high transcriptional activity, which are represented as peaks in the coverage track. These peaks correspond to regions of the mRNA that are highly expressed, indicating the presence of many RNA transcripts at that location.
The height of the peaks in the read coverage track reflects the level of expression of the corresponding region of the mRNA. Therefore, regions with higher read depth have a greater number of reads aligned to them and are likely to correspond to highly expressed genes or exons within a gene.
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How does the design of your experiment control for outside factors that may affect the results?
Answers
Answer:
It separate the inner environment from the outer environment.
Explanation:
The design provides the separation of the inner environment from the outer environment which is responsible to control the outside factors which directly affects the results of the experiment. The design provides control environment which is required for the experiment. In this control environment, the environmental factors will not affect the results of the experiment.
Large ecosystems always have higher biodiversity than smaller ecosystems.
True or False?
Answers
Which of the following best describes how the electron transport system (ETS) functions? A. NADH is pumped to the exterior side of the membrane, where it is reoxidized to release protons and electrons. B. Periplasmic NADH is oxidized to release protons and electrons, which enter the cytoplasm. C. Electron transport releases energy, which is used to pump protons across the cell membrane. D. Electrons remain as part of intact hydrogen atoms that become separated at the terminal oxidant to release energy. E. Protons entering the cell through membrane channels are coupled to the antiport of electrons
Answers
The correct answer is C. Electron transport releases energy, which is used to pump protons across the cell membrane.
The electron transport system (ETS) functions by transferring electrons from electron donors (such as NADH) to electron acceptors (such as oxygen) through a series of electron carrier molecules embedded in the cell membrane or mitochondrial inner membrane. As the electrons move through the electron transport chain, energy is released and used to pump protons (H+) across the membrane, creating a proton gradient. This proton gradient is then utilized by ATP synthase to produce ATP through a process called chemiosmosis.
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how are various components of the blood adapted to function
Answers
smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the .
Answers
Smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the Latch State.
Latch State- Dephosphorylating myosin's RLCs prevents the formation of cross-bridges with actin, but doing so after myosin has already been bound to actin slows down its off rate and produces the so-called "latch state." While enduring low rates of ATP hydrolysis, smooth muscle retains tension in the latch state.
ATP hydrolysis- Energy released that has been stored in adenosine triphosphate is released whenever the elevated phosphoanhydride bonds break, as happens, for instance, in muscles. ATP hydrolysis is the name given to this process.
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which technique first produced unequivocal support for the neuron doctrine of the nervous system (as opposed to the reticular theory)?
Answers
The neuron doctrine of the nervous system, which states that the nervous system consists of individual cells, or neurons, was first unequivocally supported by the Golgi stain technique developed by Camillo Golgi in 1873.
This technique allowed for the visualization of individual neurons within a tissue sample, thus providing direct evidence for the neuron doctrine.
The Golgi stain technique involved treating a tissue sample with a silver chromate solution, which resulted in the staining of randomly selected neurons.
This allowed for the visualization of the individual neurons within the tissue, as well as their dendrites, axons, and other features.
The distinctness of the stained neurons provided evidence of the neuron doctrine, as opposed to the reticular theory which proposed that the nervous system was a continuous web-like structure.
This technique is still used today to gain insight into the structure and function of the nervous system.
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How is the 7th Street Public Market helping farmers to further develop their careers?
Answers
Answer:
By celebrating the food culture and promote local and regional farmers.
Explanation:
the 7th Street Public Market helping farmers to develop their careers because this market aim is to promote local and regional farmers, food artisans and entrepreneurs by celebrating the food culture of the Carolinas. 7th Street Public Market is an urban food destination located in the center of Charlotte's Center City. So by promoting local and regional farmers, the development of careers of farmers occurs.
Which is a biological sign of aging?
O A. Considering whether to keep working
OB. Retiring from work
O C. Experiencing a decline in height
O D. All of the above
Answers
The provided option claims that a decrease in height is a biological indicator of aging.
What does aging biologically look like?Because the thickness and density of a bone are diminished with age, the bone becomes weaker and is more susceptible to fracture. You may even grow a little bit shorter. Your equilibrium, stability, and coordination may be affected as a result of the normal deterioration of muscles in regards to strength, endurance, and flexibility.
Which are the top 5 biological explanations for aging?Wear and tear, error catastrophe, free radical theory, DNA damage hypothesis, loss of adaptive cellular mechanism, and mitochondrial theory are examples of stochastic theories.
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If you put a cell in pure water, will the cell shrink, stay the same size, or swell? Why?
Answers
Answer:
swell
Explanation:
the cell will swell and become turgid as more water will be absorbed into said cell. this process is called osmosis, where water passes through a partially permeable membrane.
Francine is developing a model of the carbon cycle, which involves the movement of carbon among various Earth systems. She begins by drawing the diagram shown below.
Her friend Byron evaluates the model and suggests that she thicken the arrow leading from fossil fuels to the atmosphere. His reasoning is that fossil fuels are being burned at a much faster rate than natural processes are restoring them.
Label the model to show where it represents photosynthesis, cellular respiration, and the burning of carbon-containing materials.
Answers
Answer: in the upper box on the black arrows above the forest is photosynthesis and on the other one in that same circle is cellular respiration. Burning goes on the longest white arrow that goes from fossil fuels.
The labelling of the model is in the image.
The Model describe the carbon cycle in which there is a diagrammatical representation of how carbon is exchanged among the biosphere, hydrosphere, geosphere and atmosphere.What is a carbon cycle?
It is a biogeochemical cycle by which carbon is exchanged among various spheres of the Earth.
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Identify whether each item is a reactant or a product of cellular respiration.
glucose
carbon dioxide (CO2)
water (H2O)
will give brainliest
Answers
Answer: cellular respiration is a metabolic process that converts glucose and utilizes oxygen to generate the energy needed to carry out system processes, specifically ATP. The by-products produced from the process includes water and carbon dioxide.
glucose-reactant;co2 & water-products
Explanation:
which of the following methods could be used to detect the presense of viable but nonculturalbe celss of a pathogen in a water or food specimen? a) culture on enriched agar; b) use of enrichment techniques; c) polymerase chain reactions; d) culture on selective agar
Answers
The following techniques are used to find DNA: Analysis of one UV- Vis Spectrophotometric Fluorometric evaluation. Precipitation of DNA Electrophoresis of DNA gel Polymerase chain reaction.
As a result, even with a tiny amount of sample (such as one taken from a crime scene), we may still detect the presence of DNA. DNA might be present in our sample if the 260/280 ratio was between 1.77 and 1.88.
Rapid microbial methods (RMMs), also known as alternative microbiological methods or alternative microbiology test methods, are technologies that allow users to get results from microbiology tests more quickly than with traditional culture-plate procedures. Miller: "Faster" refers to in a matter of hours as opposed to, in some circumstances, days or weeks.
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Difference between inspire and expire air
Answers
Answer: Inspired gas is the gas we take in during breathing which mostly contains oxygen in adequate amount whereas expired gas is the gas we breathe out which is mostly carbon dioxide.
What are structural adaptations? How do these structures increase the survival rate of a species?
Answers
Answer:
Anatomical or morphological features that improve an organisms ability to cope with abiotic and biotic factors in their environment. This increases there chances of survival and reproduction
Explanation:
What is the best energy source for the east coast?
Answers
Answer: Petroleum-fired
Explanation:
The best energy source would be Petroleum-fired.
CCC Analyze Proportional Relationships In
each species, compare the upper arm to lower arm,
or compare fingers to metacarpals. Can you find any
equivalent ratios?
Answers
Answer:
In order to find equivalent ratios, we would need to measure the length of the various bones in each species and then divide the length of one bone by the length of another bone. This will give us the ratio of the two bones, and if this ratio is the same in different species, it would indicate a proportional relationship.
Explanation:
For example, if in species A, the length of the upper arm is 8 inches and the length of the lower arm is 10 inches, the ratio of the upper arm to the lower arm would be 8/10 = 4/5. If in species B, the length of the upper arm is 12 inches and the length of the lower arm is 15 inches, the ratio of the upper arm to the lower arm would be 12/15 = 4/5. Since both species have the same ratio, we can conclude that the upper arm and lower arm are proportional in both species.
Similarly, you could compare the length of the fingers to the length of the metacarpals to find if there is a proportional relationship in different species.
the primary cortex contains a map of the body based on the importance of sensory input from different parts of the body. a. somatosensory b. visual c. auditory d. motor please select the best answer from the choices provided a b c d
Answers
The primary somatosensory cortex contains a map of the body based on the importance of sensory input from different parts of the body.
Thus, the correct option is A.
The somаtosensory system is a pаrt of the sensory nervous system. The somаtosensory system is а dynаmic system of sensory neurons and neurаl routes, which respond to chаnges аt the inside or surfаce the body. Its function is the cаpаcity to understаnd the feeling from different parts of the body. There аre different forms of such аs touch, tension, vibrаtion, temperаture, scrаtch, tickle, and pаin.
The somаtosensory system is а three-neuron system which relаys sensаtions in the periphery and trаnsmits them to the sensory cortex in the pаrietаl lobe through pаths thru the spinаl cor", the brаin stem and the thаlаmic relаy nuclei.
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3 These diagrams show where seeds from two different
plants were found
A. Which plant uses the wind to spread its seeds?
B. Which plant's seeds are most likely to be spread
by animals? .....
Answers
Answer:
A: plant A
B: plant B
hope it helps you
A scientist claimed that an E. coli strain had either a mutated trpR gene or a mutated operator. Which of the following observations most likely supports the claim?
A.Transcription from the operon occurred only in the presence of abundant tryptophan.
B.The strain of E. coli required more tryptophan for its metabolic processes than does a strain of E. coli with typical tryptophan regulatory con
C.Enzymes required for the synthesis of tryptophan were continuously produced whether tryptophan was absent or present in large quantities.
D.The cells died when they were grown in nutrient medium that lacked tryptophan.
Answers
The observation that supports the claim is A.Transcription from the operon occurred only in the presence of abundant tryptophan.
In absence of tryptophan, the trpR gene generates a repressor protein that binds to an operator region of the trp operon and stops the transcription of the genes responsible for tryptophan synthesis. The expression of the tryptophan synthesis-related genes may be activated even in the presence of tryptophan if the trpR gene is altered, making the repressor unable to bind to the operator.
Alternately, if operator is altered, repressor protein could not recognise it, enabling gene transcription necessary for tryptophan synthesis to occur even when tryptophan is present. Option A shows transcription from operon only happened when there was a lot of tryptophan and supports scientist's conclusion. This discovery is consistent with a trpR gene or operator mutation, which would eliminate the repressor protein's ability to control the operon.
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Study the image.
What type of weather are the upper part of Africa and the lower half of Asia most likely experiencing, based on the image?
rainfall
dry heat
cold breezes
thunderstorms
Answers
Based on the map, the type of weather that the upper part of Africa and the lower half of Asia are most likely experiencing is: B. dry heat.
What is a weather map?A weather map can be defined as a type of map that is typically used by metorologists to provide various information about the average atmospheric condition of a geographical region (area) over a specific period of time.
Based on the weather map, we can deduce that the type of weather that the upper part of Africa and the lower half of Asia are most likely experiencing is dry heat due to an increase in the level of temperature and lower than normal precipitation.
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Where does the blood go when its pumped out of the right ventricle?
Answers
Answer:
the right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.
two genes, a and x, exhibit incomplete linkage. the parental chromosomes are ax and ax. if the frequency of each parental gamete is 45%, what is the approximate frequency of the ax gamete?
Answers
If the frequency of each parental gamete is 45%, the approximate frequency of the ax gamete is 50%.
Incomplete linkage means that the two genes, a and x, are located on the same chromosome but are not tightly linked, and recombination can occur between them during meiosis. The parental chromosomes AX and ax are the original chromosomes before recombination, and the frequency of each parental gamete is 45%, which means that each parental gamete (AX or ax) is produced in 45% of the total gametes produced.
The recombinant gametes (Ax and aX) are produced by recombination between the a and x alleles during meiosis and will make up the remaining 10% of the total gametes. Since there are only two possible recombinant gametes, the frequency of each recombinant gamete is approximately 5% (10% divided by 2).
The ax gamete is produced by either the parental chromosome AX or the recombinant chromosome ax, so the frequency of the ax gamete can be calculated by adding the frequencies of the AX and ax gametes:
Frequency of ax gamete = frequency of AX gamete + frequency of ax gamete
Frequency of ax gamete = 45% + 5% = 50%
Therefore, the approximate frequency of the ax gamete is 50%.
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3.
How does mass extinction affect species that survive?
There are no surviving species if a mass extinction occurs.
They fill new roles in the changed environment.
They will soon become extinct.
They combine gene pools.
Answers
Answer:
They fill new roles in changed environment
Explanation:
Which resource is renewable?
Responses
petroleum
oil
wind
coal
Answers
Answer: Wind
Explanation:Wind is a renewable resource since there is an unlimited supply of it.
Based on current climate trends, which technological innovation could help solve an environmental issue that is likely to threaten Australia in the future?
A.
Water catchments could help stop overfishing.
B.
Water catchments could help slow climate change.
C.
Using electric cars could help slow climate change.
D.
Using electric cars could help lessen droughts.
Answers
The technological advancement that might help Australia overcome its drought problem would be "Catchments for water would slow climate change".
A protracted deficit in a region's water supply is referred to as a drought. Lack of air, surface, or groundwater causes droughts. Therefore, water catchments could help slow climate change" would be the technical advancement that could assist in resolving an environmental problem that is projected to endanger Australia inside the future based on existing climatic trends.
Therefore, the correct answer will be option (B).
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help please this is so harddd
What is the role of tRNA during translation?
Answers
Which mutation would NOT cause a change in an organism's phenotype?
Answers
Answer:
B)TAT becomes TAC
Explanation:
since thymine(T) pairs with adenine(A), thymine(T) is replaced with uracil(U) in the RNA and guanine(G) pairs with cytosine(C)
we can find the complementary codons for each strand
the codon for TAT is AUA which codes for methionine
the codon for TAC is AUG which also codes for methionine
that means the phenotype (methionine)remains unchanged for different genotypes(TAT and TAC)
Answer:
A silent mutation does not produce a phenotype change. Explanation: In point mutations, a base pair of the DNA sequence is altered.
Explanation: