HURRY PLS
Which of the following “Best Management Practices” is NOT a widely used sustainable farming practice?
A. crop rotation
B. precision agriculture
C. efficient irrigation
D. minimal fertilizer use
Answer:
the answer is D. minimal fertilizer use
Which evidence exists that endosymbiosis actually occurred? A. presence of RNA and DNAB. Plasma membrane found with cell wallC. The presence of a nucleolusD. Double membraned chloroplast
One evidence that endosymbiosis actually occured is the double membraned chloroplast.
One represents the membrane of the original prokaryotic organisms, and the outer membrane represents the vacuole of phagocytosis.
What’s the correct answer answer asap for brainlist
Answer:
A
Explanation:
Since the main source of phosphorus is found in rocks, the first step of the phosphorus cycle involves the extraction of phosphorus from the rocks by weathering.
14. The scientist(s) responsible for building the first model of the DNA double helixwasA. Watson and Crick.B. Rosalind and Franklin.C. Gregor Mendel.
Who are they (people in the options)?
• Watson and Crick, = Two scientists that discovered that the DNA is double-stranded and has a unique structure.
,• Rosalind Franklin, = She used x-ray crystallography to produce an image of DNA.
,• Gregor Mendel ,= He is an Austrian monk that experimented on garden peas and formulated the now known "Mendelian Genetics".
ANSWER: A. = Rosalind Franklin despite producing a photo of DNA through x-ray crystallography failed to make a model for the DNA. Watson and Crick made the model out of Rosalind Franklin's images.
What is the number one way described in the film for an individual to lower their environmental impact?
transportation accounts for 27% of all carbon emissions.
industry is responsible for the majority of greenhouse gas emissions. The primary contributor to transportation-related greenhouse gas emissions is the burning of fossil fuels for our cars, trucks, ships, trains, and airplanes.
You can use the following approach to lessen your transportation's carbon footprint.
Walking and bicyclingTake the public transitCarpoolBefore you drive, considerGet the perfect vehicleTake part in a car-sharing scheme.Limit idle timeFill up your tires.To know more about carbon footprint visit:
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When tomatoes are fully ripe, they develop bright red skins. William recently built a garden and decided to investigate tomato reproduction. He found that green tomatoes (not fully ripe) have an 18% chance of germinating while red tomatoes (fully ripe) have a 78% chance of germinating.Based on the data provided from the investigation, explain what characteristic(s) contributes to the probability of the tomatoes reproductive success and what factors (genetic or environmental) might impact the growth and development of the tomatoes. answer should be based on Claim:Evidence:Reasoning:
Environmental factors-Sunlight,Proper temperature,Moisture ,Air and nutrients.
This effect the growth of plant.When the plant get enough of all these factors,they grow well.Same in the case of more ripe red tomato.
Genetics-When a plant contain that DNA which contains the gene more strongly which can pass from one generation to another more easily,these are called as more strong gene or dominant gene.
So,the ripe plant have more these strong genes,so they are more grown.
Claim-The plant which getting better environmental and genetic factor are grown better.
Evidence-Based on the question and information given,the unripe plant grows lesser as compared to ripe plants.So,we have to find the evidence for these.
Reasoning-The main reason is genetics,is the presence of Strong gene/Dominant gene .
Environmental factor-Which affects a lot the growth of plant,which are explained above.
biology home work 8 questions
Simple diffusion and Facilitated diffusion are the two primary categories of diffusion.
Simple diffusionAn action where the substance passes across a semipermeable barrier or solution without the aid of transport proteins. For instance, bacteria use simple diffusion to transport minute nutrients, water, and oxygen into the cytoplasm.Facilitated diffusionFacilitated diffusion is the passive transfer of molecules from the area of higher concentration to the area of lower concentration across the cell membrane using a carrier molecule.
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What level of "virulence" is best for the rhinovirus?
2A (2Apro) and 3C (3Cpro) are the level of "virulence" is best for the rhinovirus.
What is Rhinovirus?
The rhinovirus (RV) variety is profoundly assorted, comprising of three species and more than 167 subtypes, using three distinct receptors for cell passage. This variety has been a snag to the advancement of compelling cross-receptive antiviral medicines or immunization systems. Gathering research recommends a potential relationship of infection species/subtypes with disease seriousness introducing the opportunities for antiviral methodologies focusing on unambiguous subtypes rather than all RVs.
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If mitosis stopped in your body, what effects would you see most rapidly? Which tissues would
be affected later? Which cells would never be directly affected?
Answer: If mitosis stopped in your body, then you would start to have a heart attack, and every cell in your body would cease to duplicate itself therefore, you might suffer severe consequences especially because the heart would have to beat itself, and so forth. Your brain would not be directly affected or your bones, however your blood cells would be affected.
Cell division during mitosis is necessary for replacing damaged or dying cells, as well as repairing damaged or worn-out cells that occur naturally. The main mechanism behind growth is this kind of cell division.
What are the consequences if mitosis stopped in the body?Without mitosis, there wouldn't be any cell division or growth. The fact that genetic information cannot be passed on is most essential. All cell processes would be significantly impacted.
You might also suffer serious consequences, as your heart would have to beat by itself, among other things. Your bones or your brain wouldn't be immediately impacted, but your blood cells would.
Therefore, Every cell in your body would stop replicating itself if mitosis halted, which would induce a heart attack.
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What is the name of this instrument called
thats a rain gauge, so it should be c
A world crisis has caused a paradigm shift for health disparities and social justice; what are your suggestions for positive change?
700 word essay
Determine the paradigm centerpiece you wish to change and then you can write down your goals and further cultivate the thoughts that lead towards influencing the paradigm shift are the suggestions that can influence in bringing about a positive change.
What causes a Paradigm shift?A paradigm shift may happen with as a result of a series of anomalies or some pieces of evidence that cast some doubt on the status quo, as well as from a ground-breaking innovation or a kind of discovery.
For research on health disparities, the mantras of translational, transdisciplinary, and transformational research have the potential to change the game.
We now have a better grasp of the health disparities among racial, ethnic, and low socioeconomic level groups as a result of a wealth of study findings employing these three methodologies.
When combined, these diverse but linked research fields have distinctive contexts that can advance the study of health inequalities.
The National Institutes of Health (NIH) is the main federal organization in charge of carrying out and funding biomedical research that aims to enhance well-being and prolong lives.
Reducing socioeconomic and racial/ethnic disparities in health was deemed a top priority for public health practice and research by the NIH in 1999.
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A student observes a cell under a microscope. She thinks it might be an animal cell. What is the best question she could ask to distinguish the observed cell from the other cell types?A. Does it have a cell wall?B. Does it have a vacuole?C. Does it have a nucleus?D. Does it have chloroplasts?
The student would certainly observe all of those features. However having a nucleus would only say if it is an eukaryotic or a prokaryotic cell. Big vacuoles and chloroplasts are characteristics of plant cells, so the absence of them could help understand if it really is an animal cell. However, the easiest way to see in a microscope if it is not a plant cell, is to detect if there is a cell wall present. Cell walls are easier to observe as they are structures that surround the plasma membrane, and this is easier to detect by seing the cell under a microscope than organelles inside the cell that would have to be differentiated from other organelles (like vacuoles or chloroplasts).
Therefore, the correct answer is A. Does it have a cell wall?
Think about trying to explain a house to someone by showing them an exemplar. Which of the following is a negative instance of a house?
Question 11 options:
The dream home you’d like to buy.
The log cabin your grandfather had.
The home you grew up in.
A tent you used as a child.
What do you notice about the number of energy levels or shells as you move down a group or column in the
periodic table?
1. Analyze the food web. To which trophic level does the coyote belong? Why does it belong to that trophic level? (2 points)
Coyote belongs to the third trophic level. At the third level, the primary carnivores, or meat eaters that are the coyotes in this food chain, eat herbivores.
What is Food Web?A food web is the natural interconnection of food chains. This is a graphical representation of what eats what in an ecological community. Food web is also known as the consumer-resource system
A food web consists of all the food chains in a single ecosystem where every living thing in an ecosystem is a part of this multiple food chain.
For above given information, Grass is eaten by mouse as well as Deer which is at first trophic level, Acorn is also at the first trophic level which is eaten by mouse, squirrel and deer who is at second trophic level further all these three is eaten by Coyote who is at third trophic level which is eaten by Cougar who is at fourth trophic level i.e . highest trophic level while Cougar also eats deer in that food chain Cougar is at third trophic level.
Thus, Coyote belongs to the third trophic level. At the third level, the primary carnivores, or meat eaters that are the coyotes in this food chain, eat herbivores.
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What is the main function of environmental policy? a. prevent the use of natural resources b. reduce human impact on the environment c. prevent nature from having a harmful effect on humans d. reduce the use of natural resources Please select the best answer from the choices provided A B C D Mark this and return
List and describe the substrates and products of glycolysis
Answer:
Major Steps of Glycolysis:
Glycolysis involves a sequence of steps that can be grouped into three important reactions: phosphorylation of glucose, splitting of the six-carbon molecule into two three-carbon molecules, and the energy harvesting reactions.
Answer and Explanation: 1
The products of Glycolysis are as follows:
Pyruvic Acid
Two molecules of NADH (Nicotinamide Adenine Dinucleotide)
Two molecules of ATP (Adenosine Triphosphate)
Although 4 ATP are produced, 2 ATP are spent during phosphorylation of glucose (conversion of glucose to fructose 1,6-bisphosphate), thus, there is a net gain of only 2 ATP molecules.
write an equation for y-=-5(x+1) in slope- intercept form
The equation of a y = -5 ( x + 1 ) line in the slope intercept form is y = (-5)x + (-5).
The equation of line in the slope intercept form can be written as,
y = mx + c
Here m = slope of line and c = intercept
As per the question we are provided with the equation mentioned below,
y = -5 ( x + 1 )
We need to write this equation in the slope intercept form. So, to convert given equation in slope intercept form we can follow the steps written below;
y = -5 ( x + 1 )
⇒ y = -5x - 5
⇒ y = (-5)x + (-5)
Slope = m = -5
Intercept = c = -5
Thus we can write that the equation of y = -5 ( x + 1 ) line in the slope intercept form is y = (-5)x + (-5).
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Which Plateau leader was believed to have the power to heal the sick and change the weather?
the tribal chief
any elder
medicine men and women
any council member
The tribal chief was the Plateau leader believed to have the power to heal the sick and change the weather.
Shamanism, in which a religious figure known as a Shaman served as a bridge between the physical and spiritual realms, likewise dominated the religion, ceremonies, and beliefs of the Great Basin Indians. The Shamans possessed unique abilities, medicines, and magic to cure the ill, direct the hunt, and foretell the future.
The earliest European explorers in the area noted that the Plateau people wore a bark breechcloth or apron and a twined bark poncho that fell just below the waist. During the cold season, men wrapped their legs in fur, women wore hemp leggings, and people used robes or blankets made of rabbits or other furs.
In general, native North American faiths and plateau religions share a number of characteristics. One of these was animism, the idea that every living thing—human, animal, plant, and object—was home to a spirit. The notion that people might directly communicate with the spirit realm was another.
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Which of these early conservationists was a professor at the University of Maryland?
Hint: They taught marine biology.
A
Aldo Leopold
B
Rachel Carson
C
John Muir
D
Rosalie Edge
Answer:
Rachel Carson
Explanation:
Rachel Louise Carson was an American marine biologist, writer, and conservationist who is credited with advancing the global environmental movement through her influential book Silent Spring and other writings.
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How are the NADPH and DA3P molecules made during photosynthesis similar
Both of these things are byproducts of photosynthesis. They both serve as photosynthesis's building blocks. Both of these are made from carbon dioxide.
What is photosynthesis?Photosynthesis is defined as the process through which plants convert carbon dioxide, water, and sunshine into oxygen and sugar for energy.
It is a method used by plants and other living things to change light energy into chemical energy that can then be released through cellular respiration to power the organism's activities.
The characteristics of photosynthesis are:
It is a process that only happens in plants that contain the chlorophyll, a green pigment used in food preparation. The necessary elements are sunlight, water, and oxygen, where two processes take place: one that depends on light, the other that doesn't.Thus, both of these things are byproducts of photosynthesis. They both serve as photosynthesis's building blocks. Both of these are made from carbon dioxide.
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What chemical are destroying the ozone layer? Where is this destruction most visible?
Chlorine and bromine atoms in the stratosphere react with ozone molecules to destroy them.
One chlorine atom has the ability to obliterate more than 100,000 ozone molecules before it is removed from the stratosphere. Over Antarctica and in the polar regions is where the thinning is most obvious.
A number of chemicals release chlorine or bromine when they are subjected to the intense UV radiation prevalent in the stratosphere. Because they contribute to the ozone hole, these pollutants are known as ozone-depleting ones (ODS). ODS that creates chlorine include methyl chloroform, carbon tetrachloride, hydrochlorofluorocarbons (HCFCs), and chlorofluorocarbons (CFCs). ODS, that release bromine include halon and methyl bromide. ODS is created at the surface of the Earth, but it can take them up to five years to ascend to the stratosphere.
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Which of these wavelengths of light, if missing, would prevent the most efficient capture of energy for
photosynthesis?
orange
violet
green
yellow
Green wavelengths of light the most efficient capture of energy for photosynthesis.
How does photosynthesis take place?Light energy is used in oxygenic photosynthesis to convert water (H2O) absorbed by plant roots into CO2 and generate carbohydrates. In this process, the water is "oxidized," or loses electrons, while the CO2 is "reduced," or gains electrons. Carbohydrates are generated along with oxygen.
What makes photosynthesis so important?It is important because photosynthesis is the process through which plants use sunlight to change carbon dioxide into oxygen. For living, animals need oxygen, while plants clean the air by eliminating harmful carbon dioxide. Photosynthesis is an endothermic reaction.
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What advantage does each of the following evolutionary advances give a plant?
Vascular tissue
Xylem:
Phloem:
The evolutionary advances of the Vascular tissue, Xylem, and Phloem of a plant.
Vascular tissues:- due to their vascular tissues, stems maintain even tall plants provided with water so they don't dry out in the air. Vascular flora evolved leaves to accumulate sunlight. at the start, leaves have been tiny and needle-like, which helped lessen water loss.
The vascular tissues of plant life, which can be composed of specialized undertaking tissues, xylem, and phloem, form non-stop systems thru the plant frame and offer delivery pathways for water, vitamins, and signaling molecules and guide a plant body against mechanical stresses.
Xylem:- transports and stores water and water-soluble vitamins in vascular plants. Phloem is accountable for transporting sugars, proteins, and different organic molecules in vegetation. Vascular vegetation is capable of growing higher than other plants because of the rigidity of xylem cells, which assist the plant.
The phloem:- transports sucrose and amino acids up and down the plant. that is known as translocation. In trendy, this happens between where these materials are made and where they're used or saved (the sinks.
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Which of the following cells do not kill cells directly?
In order to digest a particle, the cell engulfs it and secretes digestive enzymes. Phagocytosis is the name of this process.
The protective cell in our body is called a white blood cell. They protect the body against invading infectious agents or disease-causing bacteria because they are present in the blood. According to the presence or absence of granules, WBCs are split into two groups:
(I) Granulocytes: The cytoplasm of these cells is granular. Even parasites can be killed by them. Phagocytosis is one of their functions. Neutrophils, eosinophils, and basophils make up the granulocytes.
Agranulocytes lack granules in the cytoplasm
(II). The lymphatic system contains them. They produce antibodies that help the body fight sickness. Parasites are not killed by them.
Lymphocytes and monocytes are the two types that exist.
(i) Macrophages: These immune system cells are in charge of capturing and eliminating foreign particles.
(ii) Mast cells: These are the protective cells found in our bodies that phagocytose germs. The bone marrow produces them.
(iii)RBCs are nucleated red blood cells that are present in the blood (iii). Gas transportation is their primary duty.
Therefore, the right response is (B). RBCs are not naturally phagocytic.
The macrophages that are already in our bodies are intended to serve as our body's initial line of defence. These cells identify the antigens and take them in. They reduce the foreign particles into smaller proteins, which T cells then react to.
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2.Why do introduced species often disrupt an ecosystem?
Introduced species
Ecosystems are complex systems that are in dynamic equilibrium with constant interactions between their parts.
When a new species is introduced, new interactions will occur, generating new components of the system and also competing with the previous interactions between the species already present in the system, which normally ends up generating an imbalance in the ecosystem mentioned, i.e a disruption in it.
"Survival of the fittest" means the survival of those organisms-
A) that can best cope with existing environmental conditions and live to reproduce
B) that live the longest
C) with the largest teeth
D) that have the greatest number of matings
E) which are the largest of the species
Answer:
the answer is A.) that can best cope with existing environmental conditions and like to reproduce
Hello can someone please help me.
The conservation of genes that encode specific morphological characteristics between different species gives an evidence that supports understanding of evolution.
What is conservation of genes and how it supports evolution?Conservation of genes is the phenomena in which genes are conserved for understanding the process of evolution better.Gene is the smallest unit of genetic information encoded in a human body.Each gene encode specific morphological characters between different species. Different genes encoding different morphological characters are responsible for different functions.To know more about gene visit:
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Doing a word search puzzle. The question is: a single building block
Answer:
Carbon or monomers
Explanation:
Carbon is the building block of life. It is present in all living things.
If that is incorrect then it could be a monomer, which makes up macromolecules, and is often seen as building blocks.
How can an invasive species impact a local ecosystem?A)crowding out native species B)improve ecosystem stabilityC)increasing biodiversityD)increases available habitat for native species
Invasive species can impact a local ecosystem by crowding out native species (option A), this is the case when the invasive species share the niche with native species and has the advantage of the luck of predators in that new habitat.