In the video, there are eight unknown blood samples. Your job is to test samples 1-4 with each antibody tests and record your results. You will then identify the blood types of the four samples. You may use your results from the previous section to guide you.
Answers
In the context of blood typing, antibody tests are used to determine which blood type an individual has by identifying the presence or absence of certain antigens on the surface of red blood cells.
What is blood?Blood is a specialized bodily fluid that circulates through the arteries, veins, and capillaries of the body. It is composed of a liquid called plasma and various types of cells, including red blood cells, white blood cells, and platelets. The main functions of blood include transporting oxygen and nutrients to the body's tissues, removing waste products, regulating body temperature, and protecting against infections and injuries through its immune system components. Blood type is determined by the presence or absence of specific antigens and antibodies on the surface of red blood cells.
Here,
Antibodies are proteins produced by the immune system in response to an infection or the introduction of a foreign substance (such as a virus or bacteria). Antibody tests are often used to diagnose infectious diseases or to determine if someone has been exposed to a particular pathogen.
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PLEASE HELP AND GET POINTS!!
Drag each human activity to indicate which fossil fuel has influenced it. (1 point)
coal
natural gas
petroleum/crude oil
:: allowed people to refrigerate and cook food more easily :: increased people's use automobile transportation
:: made more efficient train locomotives :: allowed companies to build more factories
:: allowed people to store and package food and other products
Answers
The fossil fuels are as follows:
Use plastics to store food. - natural gas
Moving products. - Petrol
Supplying water heaters with electricity. - natural gas
Making steel for use in the building. - coal
How fossil fuel has influenced human activity?In sedimentary rock formations, which are collections of rock, dead plant and animal components, and layers of silt, coal is a substance that is frequently present.
Coal must contain more than 50% fossilized plant material, one type of sedimentary rock that holds oil in its natural state is shale.
Therefore, by heating, this substance, thick oil that may be utilized to generate gasoline is produced.
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Answer:
COAL: allowed companies to build more factories, made more efficient locomotives
NATURAL GAS: allowed people to refrigerate and cook food more easily
PETROLEUM/CRUDE OIL: increased people's use of automobile transportation, allowed people to store and package food and other products
Explanation:
Just took the test :)
bracketing is often the first step in a descriptive phenomenologic stufy. what is one method of facilitating bracketing?
Answers
One method of facilitating bracketing is content-loaded bracketing. Bracketing is the first step in a descriptive phenomenological study.
What is Bracketing?Bracketing is a systematic method of reflecting on preconceptions and prejudices in order to attain a more open attitude toward the experience being researched. In research studies, this technique is employed to ensure that the investigator's previous experiences and prejudices do not interfere with the outcomes of the study.
This technique aids in the discovery of the underlying meaning of an experience, which is essential in phenomenological inquiry. Content-loaded bracketing is one technique that may be used to encourage bracketing.
Content-loaded bracketing is a technique for making the content of an experience the focus of reflection. In this technique, the researcher is guided to reflect on the experience's context, specifics, and dynamics. The method assists researchers in becoming more aware of the various ways that experiences can be interpreted.
The method involves asking oneself what, where, and how questions about the experience's content. This procedure can be done during data collection or after data collection. During data collection, researchers can engage in content-loaded bracketing by noting their preconceptions about the experience being researched.
Researchers may reflect on their biases and opinions in the same way they do with the experience being researched. In this way, the study is more likely to result in a more objective understanding of the experience.
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Which particles have the same mass?
A. electron and neutron
B. all three particles
C. proton and neutron
D. proton and electron
Answers
What are the relationship between the Pied Cormorant and the Mosquito fish?
Answers
Answer: the western mosquitofish, Gambusia affinis, is a freshwater poecilid fish native to the southeastern United States but with a global distribution due to widespread human introduction. Gambusia affinis has been used as a model species for a broad range of evolutionary and ecological studies. We sequenced the genome of a male G. affinis to facilitate genetic studies in diverse fields including invasion biology and comparative genetics. We generated Illumina short-read data from paired-end libraries and in vitro proximity-ligation libraries. We obtained 54.9× coverage, an N50 contig length of 17.6 kb, and an N50 scaffold length of 6.65 Mb. Compared to two other species in the Poeciliidae family, G. affinis has slightly fewer genes that have shorter total, exon, and intron lengths on average. Using a set of universal single-copy orthologs in fish genomes, we found 95.5% of these genes were complete in the G. affinis assembly. The number of transposable elements in the G. affinis assembly is similar to those of closely related species. The high-quality genome sequence and annotations we report will be valuable resources for scientists to map the genetic architecture of traits of interest in this species. Copyright © 2018, G3: Genes, Genomes, Genetics.
Explanation:
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Part E: Estimate Greenhouse Gas Emission
You’ll design your eco-friendly home to reduce the use of carbon dioxide compared to the average home in the state. Estimate greenhouse gas emissions for your house. Use these three government tools to generate the data you need.
First, go to the US Energy Information Administration and click “Average monthly residential electricity consumption, prices, and bills by state.” Find your state and the average kilowatt-hours of electricity used per month in your state. Multiply that number by 12 to get the amount of energy used in one year.
Then visit the EPA's Greenhouse Gas Equivalencies Calculator and enter the kilowatt-hours of energy for one year into the “If You Have Energy Data” box. Select kilowatt-hours of electricity and click Calculate. The kilowatts converted into emissions equivalents (such as miles driven and average household energy). This information will give you a better perspective on the greenhouse gas emissions for the average home in your state.
Finally, click the EPA's Power Profiler and enter the ZIP code. Choose one of the electrical companies listed (any one will work) and press Enter. Scroll down to see how much of the energy in this ZIP code comes from renewable energy and nuclear energy (a nonrenewable, cleaner energy source) compared to fossil fuel sources (oil, coal, and gas). You’ll also see bar graphs that compare your ZIP code’s energy profile to the national average.
Based on the data you gathered, answer the following questions:
What conclusion can you draw about the emissions of greenhouse gases for the average home in your state or ZIP code? What factors do you think contribute to this emission rate?
How do the emissions in your ZIP code compare to greenhouse gas emissions across the nation? Even if it’s better than the national average, is there room for improvement?
Answers
The greenhouse gas is harmful for the earth's environment, and this happens when there is a maximum amount of carbon dioxide released to the atmosphere, which is caused by a lot of human usage of fossil fuels for electricity, etc.
What are the negative effects of green house gases?Several gases are released into the atmosphere, and as a result, the atmosphere warms, negatively impacting many living things such as animals and plants. To reduce the negative consequences of this warming, the emission of carbon dioxide should be decreased.
Hence, the greenhouse gas is harmful for the earth's environment, and this happens when there is a maximum amount of carbon dioxide released to the atmosphere, which is caused by a lot of human usage of fossil fuels for electricity, etc.
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What structures allow plants to readily take up carbon dioxide from the atmosphere?.
Answers
Identify the cells and structures associated with the seminiferous tubule in this micrograph by clicking and dragging the labels to the correct location.
Answers
Seminiferous tubules are the specific site of sperm production, also known as spermatogenesis, and provides the necessary microenvironment to support this process. The micrograph parts shown in the First diagram are:
Seminiferous tubulesBasement MembraneSpermatogenic cellsSpermatogoniaSperm CellsInterstitial CellsThe second diagram shows:
Theca FolliculiiNucleusNucleolusZona PellucidaPrimary oocyteStratum GranulumPrimary FollicleGranulosa CellThe seminiferous tubule is lined by a complex stratified epithelium containing two distinct populations of cells, the spermatogenic cell that develops into spermatozoon, and the Sertoli cell that plays a supportive role.
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how an atom change if all of its electrons are removed
Answers
Answer:
If all the electrons of an atom are removed, it will change to become a positively charged ion called a cation. Additionally, the loss of all of its electrons means there is no negative charge to balance the positive charges of the protons.
Explanation:
Which of the following is an example of a biological system
Answers
Answer:
the answer is a: the heart, lungs, and blood vessels working together to carry oxygen throughout the body.
Answer:
The heart, lungs and blood vessels working together to carry oxygen throughout the body
Explanation:
A biological system is a group of entities/organs that work together to perform a particular function.
DNA is very small, one complete turn of a DNA helix is about _______.
Answers
Explanation:
DNA is very small, one complete turn of a DNA helix is about ___3.4 nm___.
DNA is very small, one complete turn of a DNA helix is about 3.4 nm or 34 Angstrom long.
What is DNA?DNA stands for Deoxyribonucleic acid. DNA may be defined as a molecule that is composed of two polynucleotide chains that coil around each other to construct a double helix.
This molecule is also thought to carry genetic information based on the individuals and deliver instructions for the development, functioning, growth, and reproduction of all known living organisms and many viruses.
One complete turn of a DNA helix consists of 10 base pairs. So, the pitch of the helix is found to be 3.4 nm and the two strands are right-angled coiled.
The distance between the two base pairs in a helix is 0.34 nm.
Therefore, DNA is very small, one complete turn of a DNA helix is about 3.4 nm or 34 Angstrom long.
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PLEASE HELP!!
Which sector creates the most fossil fuel emissions?
agriculture
transportation
electricity generation
industry
Answers
Answer:
Transportation
Explanation:
...............
3. Gwen has blue eyes. She got one allele from her blue-eyed mother and another allele from her brown-eyed father. What is Gwen's phenotype?
brown eyes
blue eyes
green eyes
blue and brown eyes
Answers
Answer: Her phenotype is Option 2: Blue Eyes.
Dictionary Definition of Phenotype: The set of observable characteristics or traits of an organism.
Explanation: The genes that make her eyes blue came from dominant alleles.
Answer:
brown eyes
Explanation:
The brown eye form of the eye color gene (or allele) is dominant, whereas the blue eye allele is recessive.
What is the purpose of the stigma?
Answers
The female part of the flower called the stigma is essential to attract pollen grains. It also provides a good environment essential for pollen grain.
The stigma is one of the female parts (gynoecium) of the flower. The female parts also contain an ovary and style. It is a sticky bulb-like structure found at the center of the flower. It's the part where the pollen grains land on it.
This structure carries the pollen grains before it travels toward the ovary to start the fertilization process. It is branched or elongated and feathery. This structure is compact and sticky enough to accommodate the pollen grains.
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List two functions of the skeleton (2)
Answers
Answer
The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and stores minerals. The skeletal system is also called the musculoskeletal system.
Explanation:
_____ attach muscle to bone and provide an anchor for muscles to produce force.
Answers
Tendons attach muscle to bone and provide an anchor for muscles to produce force. Tendons are strong, fibrous connective tissues that transmit the force generated by muscle contraction to the bone, allowing for movement of the skeletal system.
Tendons are composed primarily of collagen fibers, which provide strength and flexibility. They are found throughout the body, including in the hands, feet, and limbs, and are critical for both movement and stability. Tendons are subject to injury, particularly in athletes or people who engage in repetitive activities that put stress on the tendon. Common injuries to tendons include tendonitis, or inflammation of the tendon, and tendon ruptures, which can occur when the tendon is subjected to too much stress. Rehabilitation and physical therapy are important components of treatment for tendon injuries, and in some cases, surgery may be necessary to repair the tendon.
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Which mutation changes the number of chromosomes in the cell
Answers
Answer: aneuploidy
A gain or loss in the number of chromosomes from the normal 46 is called aneuploidy. A common form of aneuploidy is trisomy, or the presence of an extra chromosome in cells. "Tri-" is Greek for "three"; people with trisomy have three copies of a particular chromosome in cells instead of the normal two copies.
What was the main advantage of using space shuttles, instead of rockets, for space exploration? A. Scientists could study other planets. B. Permanent orbits could be established. C. The same vehicle could be used multiple times. D. Items could be brought back to Earth from space.
Answers
Answer:
Space shuttles protect you from a lot of things which other forms of space technology cannot, like how spacesuits can't resist the micrometeorites but space shuttles can, and also the features of the space shuttles are cool and they help you survive.
Explanation:
Is Atom a pure substance
Answers
Yes an atom is a substance.
Answer:
yes an atom is a substance
Explanation:
Which method(s) of regulating eukaryotic gene expression is NOT used in prokaryotic cells? A. all of these answers are regulatory mechanisms used by both prokaryotes and eukaryotes B. controlling which mRNAs get translated into protein by the ribosomes C. controlling how often a gene is transcribed D. controlling how an RNA transcript is spliced E. controlling how rapidly proteins are destroyed once they are made
Answers
Regulating gene expression is a key process in both prokaryotic and eukaryotic cells. Controlling how an RNA transcript is splicedis NOT used in prokaryotic cells.
Here, correct option is D.
In prokaryotic cells, gene expression is regulated by controlling which mRNAs get translated into proteins by the ribosomes, controlling how often a gene is transcribed, and controlling how rapidly proteins are destroyed once they are made. In eukaryotic cells, these are all regulatory mechanisms used as well, but there are additional methods of regulating gene expression that are not found in prokaryotes.
These include controlling how an RNA transcript is spliced and regulating the rate of transcription through the use of transcription factors. Splicing involves the removal of introns from a pre-mRNA molecule, resulting in a mature mRNA molecule that can be translated into a functional protein.
Therefore, correct option is D.
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How do adaptations change gene flow in an environment ?
Answers
Answer:
The classic view is that gene flow hinders local adaptation by introducing maladaptive alleles (gene variants) into populations adapted to different environmental conditions than dispersers.
Explanation:
At the time Hutton proposed his ideas about the age of rocks, how old was Earth believed to be by most people in Scotland?
Answers
Answer:
In the late eighteenth century, when Hutton was carefully examining the rocks, it was generally believed that Earth had come into creation only around six thousand years earlier (on October 22, 4004 B.C.
James Hutton was a Scottish naturalist and geologist who discovered the age of the earth. The earth was believed to be 6000 years old by the Scottish people.
Who was James Hutton?
James Hutton is the father of modern geology and was involved in the discovery of the earth's age and the soil formation from the parent rocks. He made his contribution to discovering the age of Earth based on his observation rather than on assumptions.
Before he discovered the earth age, it was believed by the Scottish people that the planet was six thousand years old. He discovered the process of soil formation by weathering the parent and bog rocks that accumulated as sediments over years and allowed the discovery of the planet's age.
Therefore, it is believed that the earth was 6000 years old.
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What is the name for a large body of ice slowly moving across the land, pushing sand and rocks and changing the Earth's surface?
A glacier
B canyon
C volcano
D earthquake
Answers
can someone tell if these are true or false? plssss
Answers
Human development begins with a(n)
____, which is created when ____
join and the first cell division takes place.
Answers
Answer:
a zygote, which is created when a male and a female gametes join…
Explanation:
Answer:
first: embryo
second: gametes
third: to perform specific functions for the body
Explanation:
Evolution assessment- Which data best supports your claim? Why are these data important to scientists in determining common ancestery
Answers
Scientists use various types of data to determine common ancestry, including anatomical, molecular, and fossil evidence
. Anatomical evidence involves comparing the physical structures of different species, while molecular evidence involves analyzing DNA or protein sequences to determine genetic relationships between species. Fossil evidence involves examining the physical remains of ancient organisms to determine their relationships to present-day species.
What is Evolution?All of the above types of data are important to scientists in determining common ancestry because they provide different perspectives and information on the evolutionary history of a particular group of organisms. For example, molecular data can reveal genetic relationships that may not be evident from anatomical or fossil evidence.
Fossil evidence can provide a record of the physical changes that occurred over time, while anatomical evidence can help identify homologous structures and reveal evolutionary relationships.
Therefore, By combining multiple types of data, scientists can construct a more complete picture of the evolutionary history of a group of organisms and make more accurate inferences about common ancestry.
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I need helpppp ASAP!!!!!!
Answers
Answer: D
Almost completely sure it is D
Explanation:
Since the rats are the main source of food, then there will be a decrease in all the species the base off of that one source of food.
the rat is the producer/prey
While hiking in the mountains, a scientist sees a unique flower. What is the
best way for the scientist to share this observation with another scientist for
the purpose of identifying the plant?
O A. The scientist can memorize the flower's appearance.
B. The scientist can take and email a photograph of the flower.
O C. The scientist can cut off a tiny piece of the flower to examine
using a microscope.
O
D. The scientist can use a tape measure to make precise
measurements of the flower.
Answers
Answer: B. The scientist can take and email a photograph of the flower
Explanation:
What structure do the roots have to increase the surface area in order to absorb more water?
A.Guard cells
B.Root hairs
C.Phloem
Answers
Answer:
b
Explanation: jkhfuwhfirjvirwhjwrhfejdewbchgf vchdbcjdcnjbrcbruec
Which chemical components may be parts of a molecule of transfer RNA?
A) ribose, phosphate group , uracil base
B) deoxyribose, phosphate group , guanine base
C) glucose, amino group, thymine base
D) maltose, carboxyl group, uracil base
Answers
Answer:
A) ribose, phosphate group , uracil base
Explanation:
tRNA nucleotides (monomers) have:
1 ribose sugar 1 phosphate group1 nitrogenous baseDeoxyribose = sugar found in DNA only
Thymine = nitrogenous base found in DNA only
Uracil = nitrogenous base found in RNA only
Maltose = complex sugar that has nothing to do with genetic material
Carboxyl group = not found in genetic material
Where do plants take in carbon dioxide for photosynthesis? (1 point)
O roots
O flowers
O stem
O leaves
Answers
Answer:
leaves
Explanation:
it goes through tiny pores called stomata