Quitzzthe endosymbiotic theory proposes that mitochondria in eukaryotic cells arose from question 5 options: endosymbiotic eukaryotes that were photosynthetic. endosymbiotic eukaryotes that metabolized oxygen. endosymbiotic prokaryotes that metabolized oxygen. endosymbiotic prokaryotes that were photosynthetic.
To safeguard against groundwater contamination, sanitary landfills are ________. to safeguard against groundwater contamination, sanitary landfills are ________. located on slopes so water runs downhill located on industrial sites where groundwater is not used for drinking or agriculture lined with cement lined with plastic and compacted clay located in unpopulated areas
Sanitary landfills are safeguarded against groundwater contamination by being lined with plastic and compacted clay and being located in areas where the groundwater isn't used for drinking or agriculture.
Explanation:To safeguard against groundwater contamination, sanitary landfills are constructed with specific features. They are lined with plastic and compacted clay to act as a barrier between the trash and the natural soil below. This liner prevents potential contaminants in the waste from seeping into the groundwater.
Moreover, landfills are typically built in places where the geography or land use won't interfere with the natural flow of water in the area. They may be located on industrial sites where groundwater is not tapped for drinking or agricultural purposes, reducing the risk of trash pollutants seeping into water sources used by humans. Therefore, the location and construction materials used for sanitary landfills are both essential to protect groundwater resources.
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Plants can most readily utilize the ______ form of nitrogen.
Why do eukaryotic cells undergo mitosis?
Which term describes the nondigestible form of complex carbohydrates that occurs naturally in plant foods such as leaves, stems, skins, seeds, and hulls?
Coastal region deserts are most likely near ocean currents that are ________.
Which term best describes the difference in colors of the birds below?
Natural selection. Reproduce maturity Genetic variation.
Genetic drift
Ans.
The birds given below are showing a population with different color feathers. These variations are known as genetic variation that involves difference in DNA sequence or genotype between the organisms within a population. Difference in genotype leads to difference in their phenotypic characters (physical appearance).
Thus, the correct answer is option). 'genetic variation.'
Why have biologists changed many of linnaeus's original classification of organisms?
Answer:
They were originally classified based on visual characteristics that could be seen on the outside of the organism, however with the advancement of technology and science scientists realized that other characteristics (molecular, structural, etc.) should be considered.
Explanation:
If today nature has an order in the eyes of man, this is due to the work of the Swedish naturalist Carl Lineu, who in the 18th century, when comparing reproductive organs and structures of animals and plants, formulated the system of binomial classification of species. That is, if we can now call ourselves homo sapiens, such nomenclature of genus and species, respectively, is the result of Lineu's work. His contributions did not stop there, since in addition to the species' names, the naturalist grouped them into a hierarchical classification system. Thus, Kingdoms, Philos, Classes, Orders and their subcategories were born.
However, Lineu's classification system was originally established based on visual characteristics that could be seen on the outside of the organism, however with the advance of technology and science scientists realized that other characteristics (molecular, structural, etc.) should be considered.
What best defines a population?
What do the brackets around a chemical mean, like for [h + ]?
In chemistry, the brackets surrounding a chemical symbol or formula indicate the concentration of that substance.
Explanation:In chemistry, the brackets surrounding a chemical symbol or formula indicate the concentration of that substance. For example, [H+ ] represents the concentration of hydrogen ions in a solution.
Ray fears closed-in places. he will not enter elevators and only lives and works in places that can be reached easily or by stairs. ray suffers from
Final answer:
Ray's fear of closed-in places and avoidance of elevators indicate that he likely suffers from claustrophobia, an anxiety disorder characterized by fear of enclosed spaces.
Explanation:
Ray's fear of closed-in places and his avoidance of entering elevators are symptoms of a specific phobia called claustrophobia.
Claustrophobia is an anxiety disorder characterized by an irrational fear of enclosed spaces or situations that might make one feel trapped or unable to escape. It can lead to significant distress and avoidance behavior like the one exhibited by Ray.
People with claustrophobia often feel anxious, experience panic attacks, and may go to great lengths to avoid closed spaces or situations that trigger their fear.
A 65-year-old client with a recent history of head trauma and a long-term history of hypertension presents to the emergency department due to changes in mental status. mri reveals that the client has experienced a subarachnoid hemorrhage. what is the most likely cause of this type of stroke? aneurysm
What is the European Union’s most important water pollution act called
Answer: The European Union's most important water pollution act is called Water Framework Directive.
The demand for clean lakes and rivers, coastal beaches and groundwater by the environmental organizations and the citizens the commission made water conservation a chief priority under which the Water Framework Directive was made. The Water Framework Directive has some of key objectives like expansion of the scope of water protection for all types of water sources, water managements on the basins of rivers, ensuring proper quality standards, involvement of citizens and correct pricing etc.
Alcohol consumption during pregnancy is only dangerous during the first trimester.
a. true
b. false
How might optimization be expressed in older adults' sexual activity?
Optimization refers to the activity of making the most or best efficient use of a resource of situation. Optimization suggests that it is probable to sustain performance in some areas via spontaneous practice and the application of new technology.
The older adults get involved in numerous sexual activities, companionship is essential to age individuals. The optimization in older adults’ sexual activity can be expressed by getting involved in more kissing, cuddling, and fantasizing in comparison to intercourse for satisfying the sexual activity.
The movement of air pollutants via evaporation and winds from tropical and temperate areas to polar regions is referred to as ____.?
Air pollutants are the chemical and hazardous particles that contaminate the quality of the air and degrade it. The atmospheric air can get contaminated by human interference and many other reasons.
The grasshopper effect is the movement of air pollutants.
The grasshopper effect can be explained as:It is a geochemical process that carries and transports the chemicals and pollutants from warm towards the colder regions of mountains and poles.It is also called global distillation and is caused by the entrapment of the particles and pollutes that gets carried to the colder region by evaporation and winds.Therefore, the correct blank is the grasshopper effect.
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what happens to the ovule after it is fertilized
Which gastrointestinal secretion has a component that is required for the intestinal absorption of vitamin b12?
Drinking five ounces of wine is better for the body than drinking twelve ounces of beer because there's less pure alcohol in a glass of wine. please select the best answer from the choices provided. t f
The given statement is False.
The concentration of alcohol in beer is 4-5% and the concentration of alcohol in wine is 12-14%. Which means there is less pure alcohol in the beer as compared to that of wine.
Drinking beer is more beneficial for the body as compared to that of wine. It has more health benefits compared to that of wine.
The given statement is false because there is more pure alcohol in wine than in beer.
Which of beer or wine has a higher alcohol percentage?Wine and beer are both alcoholic beverages, however the percentage of alcohol on wine is greater than that in beer.
Beer contains alcohol of about 4 to 5% while wine contains alcohol of about 12-15%.
Therefore, there is more pure alcohol in wine than in beer and the given statement is false.
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what tissue is responsible for holding together the intestines
Urine and solid waste leaves the frog's body through an opening called the
Large, rotating low-pressure storms that get their energy from the evaporation of warm water from tropical oceans are called
Answer:
Tropical cyclones.
Explanation:
Cuz I cheated on the test and fealt that I should help a brotha' out.
Animals that feed primarily on arthropods and other soft-bodied invertebrates are called
Using the amino acid codon chart, what will happen to this protein sequence if the mutation shown occurs?
Original sequence mRNA: CAG GGA GCA UUA
Mutated sequence mRNA: CAG UGA GCA UUA
A)The seqence will stop at gln, because UGA is a stop codon. B)The sequence will change from gln-gly-ala-leu to gln-thr-ala-leu C)The sequence will remain gln-gly-ala-leu, because GGA and UGA both code for gly. D)It cannot be known what will happen, because there is not enough information to know.
The protein sequence will stop at gln, because UGA is a stop codon.
Let's break down the sequences step by step using the amino acid codon chart:
Original sequence mRNA: CAG GGA GCA UUA
1. CAG codes for glutamine (gln).
2. GGA codes for glycine (gly).
3. GCA codes for alanine (ala).
4. UUA codes for leucine (leu).
So, the original sequence is gln-gly-ala-leu.
Now, let's analyze the mutated sequence mRNA: CAG UGA GCA UUA
1. CAG codes for glutamine (gln).
2. UGA is a stop codon, which signals the end of translation. Therefore, the mutated sequence will stop at gln.
The correct answer is: A) The sequence will stop at gln, because UGA is a stop codon.
A neural ___ it, chemical messenger, travels across the synapses and binds to a neural
Heather has to solve this system of equations using elimination. what should be her first step?
To which reptiles, living or extinct, are crocodiles and alligators most closely related?
Final answer:
Crocodiles and alligators, which are part of the Crocodilia order, are most closely related to birds. Both are the only known living descendants of dinosaurs, with birds being descendants of dinosaurs that developed wings. Crocodilia originated around 84 million years ago, and their terrestrial ancestors appeared at least 220 million years ago.
Explanation:
Crocodiles and alligators are part of an order of large reptiles known as Crocodilia, which also includes creatures like caimans and gharials. These reptiles are most closely related to birds, which may seem surprising, but both groups are the only known living descendants of the dinosaurs. The ancestors of birds were actually dinosaurs that evolved wings and took to the skies. Hence, crocodiles and alligators look like they might be small dinosaurs because they share a common ancestry with these ancient creatures.
The Crocodilia lineage arose about 84 million years ago during the late Cretaceous period. Crocodilians are found in a variety of habitats in the tropics, such as rivers, lakes, and sometimes saltwater environments. They show diverse behaviors, including providing parental care, which is depicted in one example as the Siamese crocodile (Figure 15.43a). These reptiles spend substantial time in the water but also have the capacity for semi-erect locomotion on land. Among modern reptile orders, turtles originated around 250 million years ago, while ancestral crocodilians evolved at least 220 million years ago.
A dangerous cargo manifest is most commonly associated with which mode of transportation
A dangerous cargo manifest is most commonly associated with the Water mode of transportation. Anyone who would like to ships any materials that are hazardous in a vessel must arrange a Dangerous Cargo Manifest (DCM) or sometimes called the stowage plan for those hazardous materials.
The relatively sudden appearance of many new species when niches and habitats are made available as a result of mass extinction
The relatively sudden appearance of many new species when niches and habitats are made available as a result of mass extinction is adaptive radiation.
What is Adaptive radiation?The evolution of a group of animals or plants into numerous forms that are adapted to different lifestyles is known as adaptive radiation. The strongest examples of adaptive radiations are seen in populations that are closely related and have only recently evolved.
A striking example is the evolution of primitive mammalian species into those that can run, jump, climb, swim, and fly starting in the Paleogene Period (66 million years ago).
The evolution of a group of animals or plants into numerous forms that are adapted to different lifestyles is known as adaptive radiation.
Therefore, The relatively sudden appearance of many new species when niches and habitats are made available as a result of mass extinction is adaptive radiation.
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In contrast to adults, cardiac arrest in children is usually caused by