The right answer is Bacteria and Archaea.
A prokaryote is a unicellular organism (bacterium, cyanophyceae) that does not have a nucleus. The DNA is circular, usually unique and grouped in a nucleoid. This region contains the genetic material, but is not separated from the rest of the cell. This is precisely what separates the prokaryote from the eukaryote.
Archaea are prokaryotic unicellular microorganisms. Archaea, which often look like bacteria, have long been regarded as specific extremophile bacteria, until phylogenetic research on prokaryotes, begun in 19652, culminated in the publication in 1977 of a phylogenetic tree based on the sequences of the ribosomal RNA genes of the organisms studied, a tree in which the prokaryotes were split into two distinct domains, that of the bacteria and that of the archaea.
The domains that contain only one cell type are Bacteria and Archaea as all organisms within these domains are unicellular.
Explanation:In the context of biological classification, cell type is one way to categorize living organisms. The question refers to 'domains', one of the highest taxonomic ranks in this system. In terms of cell type, all organisms in the domains Bacteria and Archaea are unicellular, meaning they only have one cell type. However, other domains like Eukarya include both unicellular organisms (like some fungi and protists) and multicellular organisms (including animals, plants, and most fungi).
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What would you expect to find in all organisms?
A. The same genetic information
B. The same sequence of DNA nucleotides in the DNA molecules
C. The same percentages of DNA base pairs
D. The same four DNA nucleotides
__________ is an electrolyte that stimulates muscle contraction.
Answer:
Calcium
Explanation:
I just took a human nutrition quiz, this is the correct answer.
The rate at and the extent to which a vitamin is absorbed and used in the body is known as:
Identify the molecule that is a carbohydrate.
lipid
sucrose
propylene
methane
Answer:
Lipid Is the correct answer
Answer:
lipid
Explanation:
in what era did modern man first appear? Precambrian, Paleozoic, Mesozoic, Cenozoic
Which animal occupies a rainforest floor niche?
Pepsin is produced by cells lining the stomach. It catalyzes reactions needed to digest certain proteins. After leaving the stomach, food enters the small intestine. The pH of the small intestine is around 7. What would most likely happen to pepsin enzymes that traveled with the food from the stomach to the small intestines?
Answer:
irreversible denaturation
Explanation:
Pepsin is a monomeric protein with two domains with a beta barrel architecture. The active enzyme site contains two aspartate residues. To activate, one of these aspartate residues must be protonic, while the other must be deprotonated. This occurs between the acidic pH (pH 1-5) provided by the HCl in the gastric juice. This is how the transition from pepsinogen to active pepsin occurs. However, above pH 7, pepsin irreversibly denatures.
All amino acids have a central carbon with four components attached to it. One of these components is called the R group. Which of the following best describes the R group?
A.The R group is what stabilizes the amino acid.
B.The R group is the same in all amino acids.
C.The R group gives the amino acid unique characteristics.
Answer:
(C).The R group gives the amino acid unique characteristics.
Explanation:
Amino acids can be defined as compounds, having carbon, nitrogen, oxygen, and hydrogen atoms. Ech amino acid is made up of a carboxylic group, an amino group, a side R chain, and a hydrogen atom.
The R group provides specific characteristics to the amino acids and amino acids are classified into three categories, on the basis of their side chain or R group:
-Amino acids having non-polar R group (such as alanine and valine)
-Amino acids having uncharged, polar R group (such as tyrosine and serine)
-Amino acids having charged, polar r group (such as lysine and glutamate).
Thus, the correct answer is option (C).
A low return rate for a survey is likely to result in findings that are not generalizable to the entire population.
a. True
b. False
Answer:
True
Explanation:
Response rate is a term used to describe the provision of insights that determine whether a survey was done correctly with an accurate collection of relevant and important data for the correct completion of the survey, as well as for its application in society. This rate, therefore, refers to the number of individuals who participated in a survey divided by the number of individuals who make up the sample group. With that, we can conclude that if the response rate was low, this research is not appropriate to be applied to a population. This is because a low rate of return on a survey is likely to result in findings that are not generalizable to the entire population.
List the levels of biological organization in multicellular organisms from most simple most complex
Which environmental conditions are most favorable for hurricane formation?
Answer:
A. Warm ocean air rises and condenses, pulling up hot air from the ocean surface.
B
Cold ocean water merges with warm ocean water through undersea currents.
C
Water vapor from the poles is pulled toward the equator through wind currents.
D
Plates beneath the ocean shift, causing swirling waves that turn into water vapor.
Explanation: i don't know
An eating disorder characterized by a pattern of binge eating and purging in an attempt to lose weight and maintain low body weight is ___________.
Feather color in a certain species of bird is controlled by a pair of alleles that exhibit incomplete dominance. if birds that are homozygous for one allele are black and birds that are homozygous for the other alleles are white, then heterozygous birds would be:
Use the diagram to answer each question. Table of Classification Labels Classification Level Aardwolf Gray Wolf Coyote Lion Blue Whale Kingdom Animalia Animalia Animalia Animalia Animalia Phylum Chordata Chordata Chordata Chordata Chordata Class Mammalia Mammalia Mammalia Mammalia Mammalia Order Carnivora Carnivora Carnivora Carnivora Cetacea Family Hyaenidae Canidae Canidae Felidae Balenopteridae Genus Proteles Canis Canis Panthera Balaenoptera Species Proteles cristatus Canis lupus Canis latrans Panthera leo Balaenoptera musculus Which of the organisms in the table is least similar to the others? Explain.
Neural tracts that convey information to the brain concerning temperature and pain would be ________.
If a lawn is fertilized and it doesn't rain, the grass often dies. why?
Grass often dies after fertilization without rain because it cannot absorb necessary nutrients, may suffer from osmotic stress, and salt buildup can become toxic to the roots.
Explanation:Grass often dies when a lawn is fertilized and it does not rain due to several interrelated factors. Fertilizers often contain high levels of nitrogen, which is crucial for plant growth, but without sufficient water, the grass cannot absorb these nutrients. Additionally, rain is essential because it helps dissolve and distribute the fertilizer nutrients in the soil, making them accessible to the grass roots. Without rain, the fertilizer can actually draw out moisture from the soil in a process called osmotic stress, further parching the grass. Furthermore, the lack of water after applying fertilizer can lead to a buildup of salts, which can be toxic to the grass roots, exacerbating the damage and potentially leading to the death of the grass.
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The ________ nervous system is responsible for stimulating digestion and causing the bladder to contract
Answer:
Parasympathetic nervous system.
Explanation:
Parasympathetic nervous system is one of the division of the autonomic nervous system, that regulates the proper functioning of the body.
Parasympathetic nervous system controls the process of digestion, conserves energy and slows the heart rate of the organisms. This nervous system causes relaxation of the sphincter muscles of the digestive tract. The bladder contraction is also caused the stimulation of the parasympathetic nerves.
Thus, the answer is parasympathetic nervous system.
A condition caused by some strains of staphylococcus and streptococcus in which toxic enzymes produced by the bacteria digest the connective tissue and spreads into muscle layers is called
The condition that is being described above is necrotizing fasciitis. This is an infection that occur because of the bacteria in which are namely, streptococcus and staphylococcus and that this infection has the ability of destroying the skin or the fat of the individual who possess it.
Explain why water use is a concern and how freshwater is vital to human life.
Without fresh water you will die in just a few days. Plain and simple, no sugar coating, it is a simple morbid fact that helps drive the point across, water equals life. Most of us learn this along the way, so why are you complacent when you see fertilizers, oil and other pollutants pour into rivers and streams each time it rains? Would you eat a fish with some weed killer marinade, or drink water with a nice motor oil sheen on top?
Using less water keeps money in your pocket. By utilizing basic water conservation techniques you are able to save thousands of gallons of water each year. You do the math, use less water and the water company charges you less money. That sounds like a good deal all around.
Protecting our natural eco-systems from further damage is critical, especially for the survival of some endangered species. The oceans, streams and lakes that are the lifeblood of so many local eco-systems are used as dumping grounds, hurting everything that relies on these water sources. The great pacific garbage patch is a great example of the worst side of our wasteful practices.
Conserving water can also save energy. In order to pump the water from a central facility into your home or office, energy is required to run that equipment. For example, studies have shown that in California alone, 6.5 percent of all energy consumed goes towards moving water from one place to another. So saving water means using less energy which reduces your carbon footprint and helps the country become more energy independent
For our friends in Florida and other areas prone to sinkholes, water conservation can actually reduce the occurrence of sinkholes. When the natural aquifers run low, it leaves a gap where water once was. Simple gravity pushes the ground downward since there is now a void and voila, you have a sinkhole.
Answer:
I did this on my eng and it worked I got 100%
Explanation:
The use of water is constantly increasing every day and the amount of freshwater able to be used for daily use is less than 1%. There are a number of things going on in this 1% of available freshwater. There is a giant amount of earths water that cannot even be used because of the salt in it. Most of the water wasted is freshwater, which is a high concern. This water is used for brushing, bathing, agriculture, ect. Water should be used in a sustainable manner to fulfill the demand of present generation and save for the future generation because life is impossible without freshwater.
Due the effects of alcohol on your __________, you may experience tunnel vision.
Answer: Peripheral vision
Explanation:
Whenever there is loss of peripheral vision without their affect on central vision then tunnel vision occurs. In tunnel vision , a person is only able to see what directly lies in front of the eyes but the object in the periphery is not visible. There are many reasons why tunnel vision may occur and this is one of the many detrimental effects of alcohol.Thus, a decreased peripheral vision results in the tunnel vision due to alcohol.
What are the two catabolic pathways that lead to cellular energy production?
Which two students correctly described organic compounds?
students 2 and 3
students 2 and 4
students 3 and 4
students 1 and 2
2 and 3 students correctly described organic compounds.
What is organic compound ?Organic compounds are chemical structures that have one or more carbon atoms in their structures and are linked covalently to the hydrogen atom.
Organic compounds are chemical formulas that can be synthesized artificially in laboratories. Organic compounds like carbohydrates, lipids, proteins and nucleic acids are the chemical compounds that can be synthesized in laboratory conditions.
A compound to be organic must have both carbon and hydrogen atoms linked in their structures, only the presence of the carbon atoms does not make an organic compound.
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Anaerobic glycolysis is an energy system that uses:
Paper is made from wood pulp. what carbohydrate makes up paper? starch glycogen cellulose sucrose
I believe the answer is CELLULOSE.
True or false: the question “how much precipitation is needed to increase the amount of water in a lake by 2 feet?” Can be answered using a scientific approach
As a result of habitat destruction, the size of the Florida panther population has been drastically reduced. It is estimated that there are only 100 to 160 Florida panthers in the wild. Which statement best explains why the Florida panther population may not continue to evolve?
There is no longer a chance of mutations occurring in the population.
There is a lack of competition for limited environmental resources.
There is no longer a chance of a trait providing a reproductive advantage to the population.
There is a lack of genetic variation for selection to act upon.
Answer:
The most appropriate answer would be "There is a lack of genetic variation for selection to act upon.".
Evolution is a gradual and natural process by which the characters of a population changes over several generations with the help of natural selection.
Reduction of population size up to 100 to 160 decreases overall genetic diversity of the population due to which the efficiency of natural selection decreases.
Consequently, the population of panthers may no continue to evolve.
Answer:
Option D , There is a lack of genetic variation for selection to act upon.
Explanation:
According to Darwin's theory of natural selection , when an organism undergo uncontrolled mating or sexual intercourse with other organism of the same species it gets an opportunity to produce offspring of varied genetic characteristics that are more fit to sustain in a given environment depending on the available gene pool . Now, in this case when panthers are killed ruthlessly, the number of panthers will reduce and so the gene pool will also shrink.
Therefore, the mating panthers will not get the benefit of selection as to produce a fit offspring that could sustain in a given environment and hence they would not evolve further.
Thus, option D is correct
Earth’s axis passes through the North and South Poles. It takes Earth 24 hours to rotate once around its axis. Earth revolves once around the Sun in _ days during a non-leap year.
Answer:
365 days on a non leap year
Explanation:
Petroleum and natural gas form from _____. the remains of plants and animals buried in seas long ago heating and cooling of magma in underground chambers plant material that collected millions of years ago in swamps the decay of radioactive sediments under ground
When assessing a client's interior eye structures with an ophthalmoscope, which action should the nurse use?
How many atp are made in the chemiosmosis part of cellular respiration?