Answer: Lithosphere and geological
Explanation: The phosphorus is not as abundant as carbon because it does not occurs in the form of gas.
The phosphorous cycle is completed in the lithosphere as well as geological process which takes time. It is contained in the rocks and gets run off through water after weathering.This is how the plants get phosphorous from soil and water.
The run off then flows towards ocean and sea and gets deposited in the ocean. This is how phosphorous cycle takes place.
Phosphorus is crucial for life but isn't as abundant as nitrogen or carbon because it's found primarily as phosphate, which moves through the environment very slowly. It's leached from rocks and makes its way into bodies of water, where it can stay for thousands of years.
Explanation:Phosphorus is an essential nutrient for living processes; it's a major component of nucleic acid and phospholipids, and, as calcium phosphate, makes up the supportive components of our bones. Phosphorus is often the limiting nutrient, necessary for growth, in aquatic ecosystems. Phosphorus occurs in nature as the phosphate ion (PO4³-).
In addition to phosphate runoff as a result of human activity, natural surface runoff occurs when phosphate is leached from phosphate-containing rock by weathering, which sends phosphates into rivers, lakes, and the ocean. The movement of phosphate from the ocean to the land and through the soil is incredibly slow, with the average phosphate ion having an oceanic residence time between 20,000 and 100,000 years. Consequently, the abundance of phosphorus is relatively low when compared to elements like nitrogen or carbon.
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during one interval of the game of fetch, a dog ran 27 meters in 9 seconds.
What was the dog's speed for this interval of the trip?
A.
0.3 m/s
B.
3.0 m/s
C.
9.0 m/s
D.
30.0 m/s
The formula for speed is: v=x/t, where v is speed, x is distance, and t is time.
v=27/9
v=3
B) 3 m/s
Hope this helps!!
Final answer:
The dog's speed is calculated using the formula speed = distance/time, which gives us a speed of 3.0 m/s for the interval mentioned.
Explanation:
Speed is calculated as distance divided by time. In this case, the dog ran 27 meters in 9 seconds. Therefore, the speed is 27m / 9s = 3m/s.
To calculate the dog's speed for the interval during which it ran 27 meters in 9 seconds, we use the formula for speed which is speed = distance/time. In this case, the distance is 27 meters and the time is 9 seconds.
Speed = 27 meters / 9 seconds = 3 meters/second
Therefore, the dog’s speed for this interval of the game of fetch is 3.0 m/s, which corresponds to option B.
Drag each tile to the correct location
Anne, an intern in a microbiology lab, was observing the characteristics of various specimens of protists Match each specimen to the category of
protist to which it belongs
Answer:
Top two images are animal-like and bottom two images are plant-like
Explanation:
Paramecium and Amoeba are animal-like protists. They are unicellular eukaryotes.
Diatoms and brown seaweed are plant-like protists. They are producers of the aquatic ecosystem.
Answer:
Top left animal
Top right animal
Bottom left plant
Bottom right plant
Explanation:
What is the difference between the two cities in July?
The temperature is different. St. Louis is hotter by approximately 10 degrees
Why does the moon rise and set 50 minutes later each night.
Answer:
The Moon rises and sets every day, like the Sun. ... But the Moon is orbiting around the Earth; every day, it moves eastwards (further left from the Sun) by about 12 degrees. This means that it increasingly lags behind the Sun, by about 50 minutes a day. i hope this helps
Explanation:
Recombinant DNA is a method used in ?
Answer:
Recombinant DNA (rDNA) molecules are DNA molecules formed by laboratory methods of genetic recombination (such as molecular cloning) to bring together genetic material from multiple sources, creating sequences that would not otherwise be found in the genome.
SOURCE FROM: https://en.wikipedia.org/wiki/Recombinant_DNA
Which is a density-independent factor?
A. Food sources
B. Hurricanes
C. Space
D. Shelter
Answer:
B. Hurricanes
B. Hurricanes
That is the answer
18. Substances that absorb light convert it to
Answer
During this reaction, carbon dioxide and water are converted into glucose and oxygen. The reaction requires light energy, which is absorbed by a green substance called chlorophyll. Photosynthesis takes place in leaf cells. These contain chloroplasts, which are tiny objects containing chlorophyll.
What is a centriole?
A minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
A centriole is a cylindrical organelle composed mainly of a protein called tubulin found in most eukaryotic cells. The main function of the centriole is to help with cell division in animal cells. The centrioles also help in the formation of the spindle fibers that separate the chromosomes during cell division. They are made of nine triplets of microtubules arranged in a cylinder.
Hope this helps!
Describe how the functions of proteins differ from the functions of carbohydrates ( 150 words)
Component molecules assemble in different ways to form the basic units of carbs and protein. In carbs, that basic unit is a saccharide, another word for sugar. Monosaccharides are single-unit sugars, the simplest carbs. These can link up with each other to form two-unit sugars -- also known as disaccharides -- or polysaccharides, which can be hundreds of units in length. In contrast, amino acids are the basic units of proteins. Approximately 20 types of amino acids act as your body's primary protein building blocks. They can assemble in very complex ways to form helices, pleated sheets, globules or even multi-unit protein structures.
While protein's primary role is structural, carbohydrates primarily serve as an energy source. In fact, glucose -- one of the simplest carbohydrates -- is your body's preferred energy currency. Whenever your body derives energy from protein because of a low supply in carbs, protein components must undergo a number of biochemical changes to be useful in energy production. Proteins serve above all as your body's building blocks. Every cell needs them for structure, but they also play important roles as molecule transporters, hormones, disease-fighting agents and enzymes Some carbs -- namely fiber -- are important for bowel health and waste elimination
Carbohydrates are the major source of energy to our body while proteins are the building blocks of our body.
How the functions of proteins differ from the functions of carbohydrates?The main source of energy of our body are carbohydrates on the other hand, proteins act as the building blocks of our body. Carbohydrates and proteins are important macromolecules. Carbohydrates are composed of simple sugars and proteins are composed of amino acids.
Carbon, hydrogen and oxygen are the main elements of carbohydrates and proteins contain Carbon, hydrogen and oxygen, Sulphur or Nitrogen. Carbohydrates are broken down to make glucose to fuel the body and all enzymes, many hormones and many neurotransmitters are proteins.
As a result, this is how functions of proteins differ from the functions of carbohydrates.
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Most aquatic organisms can survive only within a specific pH range. An increase in the number of hydrogen ions (H+) in a lake with many aquatic organisms would cause
A.
the acidity of the lake to decrease.
B.
no change in the pH of the lake.
C.
the water in the lake to evaporate.
D.
the acidity of the lake to increase.
Answer:
D. The acidity of the lake to increase
Explanation:
Fun fact: did you know tomatoes are acidic because they have a pH value lower than 7?
Answer:
Option D, the acidity of the lake to increase.
Explanation:
The increase of hydrogen ion in lake water increases the acidity of the lake. The acidity of lake is associated with pH of the water which depends on the hydrogen ions concentration as established by the equation given below –
pH[tex]= - log H^+\\[/tex]
The hydrogen ion concentration is directly proportional to the acidity of the lake water. Thus, higher the H+ ion concentration, the higher will be the acidity of water.
Which structural characteristic is seen in RNA but not in DNA?
Which structural characteristic is seen in RNA but not in DNA?
Answer:a single strand
Answer:
The correct answer is the difference in the nucleotide constituents.
Explanation:
Both DNA and RNA are the nucleic acid present in the organisms but both show certain structural differences in their nucleotide as followed :
1. Sugar- sugar in RNA is known as ribonucleic acid whereas nucleic acid in DNA lacks OH group at 2' carbon position and is known as de-oxy ribonucleic acid.
2. Nitrogenous base- four types of bases bond with each other namely adenine, cytosine, guanine and thymine in DNA similar to RNA but RNA has "uracil" present in their sequence instead of thymine.
Thus, the difference in the nucleotide constituents is the correct answer.
why do some researchers prefer to use embryonic stem cells in medical research
Answer:
Cell therapies would use stem cells, or cells grown from stem cells, to replace or rejuvenate damaged tissue. Scientists also want to use stem cells to understand disease and find drugs that might treat it. Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury.
Researcher's preference for embryonic stem cells is attributed to their totipotency and capacity to differentiate into any cell type, which is key in medical research and therapy development. Cloning techniques can create tissue matches to avoid transplant rejection. Nevertheless, ethical issues arise from the destruction of embryos in the process.
Researchers prefer to use embryonic stem cells in medical research due to their unique characteristics. These stem cells are totipotent, which means they have the potential to develop into any type of cell in the body, leading to significant medical applications such as the study of human embryonic development and the creation of therapies for replacing damaged tissue. Cloning techniques that employ embryonic stem cells may also enable the growth of tissue matching the donor DNA exactly, eliminating issues of tissue rejection in transplants.
Moreover, they can be grown in culture, allowing researchers to harvest and amplify these cells. Significant progress has been made in the field; for example, scientists like Freda Miller and Elaine Fuchs discovered stem cells in skin that assist in its repair, potentially aiding treatments for skin diseases and nerve damage. However, this field is accompanied by ethical concerns due to the destruction of embryos during cell harvesting, leading to moral, religious, and philosophical objections.
If the mRNA reads AGC, what will be the tRNA anticodon?
Answer:
I believe the answer will be UCG.
Explanation:
When the DNA is translated to RNA, the codon T becomes U, and since A and T go to together normally, U would now go with the A codon. So, I believe the answer is UCG. Sorry if I'm wrong, it's been a little while. :)
Choose all the answers that apply.
The sun _____.
is the only star in our solar system
is the largest star in the Milky Way galaxy
is made mostly of hydrogen and helium
will continue to release light and heat forever
has a solid core made of iron and nickel
C is the correct answer. > is made mostly of hydrogen and helium
VY Canis Majoris is the largest star in the galaxy, not the Sun.We know the Sun will eventually die, it will not emit light and heat forever.The matter at the Sun's core is plasma, not nickel or iron.Answer:
B, C
Explanation:
B,C
Based on the body structures of these animals, which two conclusions are scientifically sound?
Answer:
either A , D
Explanation:
all for have a vertabrae,although the gorilla and the chimpanzee do show signifacant same structure.
Answer: The correct answers are A and D
Explanation:
Two organism appears to be similar because they share more recent common ancestor. The body structure of the chimpanzee and gorilla appear similar because they share most recent common ancestor.
The organism frog, dog, gorilla and chimpanzee have vertebral column which means that all the four organism share the common vertebral ancestor.
The Cretaceous-Paleogene was a mass extinction event in which nearly every single large, land-dwelling dinosaur went extinct. Which of the following did not result from this extinction event?
A.
Diverse species of animals began to evolve.
B.
Meteorites struck the region that Mexico now occupies.
C.
Clouds of dust and gas billowed into Earth's atmosphere.
D.
Ecological niches were left empty but with the potential to be filled.
Answer:
B. Meteorites struck the region that Mexico now occupies
Explanation:
The meteorite or comet that struck in the area where Mexico is located in the present is not part of the consequences of the extinctions event. The reason why it is not part of the consequences is that it is the factor that caused the consequences, so it can not be both the thing that caused something and also the consequence of it. This meteorite or comet managed to create such a huge explosion, that it managed to wipe out pretty much all large and medium sized land dwelling animals. And that was not caused only by the explosion itself, but also because it drastically changed the climate with the huge amounts of ashes and dust released into the atmosphere, as well as the triggering of the volcanoes around the world. This mass extinction though opened up the gates for the evolution of the mammals which soon became the dominant animals on the planet.
The Cretaceous-Paleogene mass extinction resulted in the extinction of large, land-dwelling dinosaurs. It led to the evolution of diverse species and left empty ecological niches to be filled in the future.
Explanation:The Cretaceous-Paleogene mass extinction was caused by a cataclysmic impact of a large meteorite, or asteroid, off the coast of what is now the Yucatán Peninsula. This impact led to the extinction of nearly every single large, land-dwelling dinosaur. The extinction event resulted in diverse species of animals evolving and ecological niches being left empty but with the potential to be filled. However, meteorites striking the region that Mexico now occupies and clouds of dust and gas billowing into Earth's atmosphere were not direct results of this extinction event.
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Which structures pump the blood from the heart?
ventricles
atria
arteries
veins
Ventricles pump the blood outa heart...
Left ventricle pumps it through aorta to organs
And right ventricle pumps it to lungs to get oxygen
Answer:
Answer: A ventricles
Explanation:
:)
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why are the seminal vesicles important for human reproduction?
A.
They allow the sperm to travel to the urethra to be released.
B.
They produce sperm cells that will fertilize the egg.
C.
They allow the sperm to be stored and help the sperm mature.
D.
They produce the materials needed by the sperm to travel to the egg.
Why are the seminal vesicles important for human reproduction?
This might help:
The seminal vesicles (Latin: glandulae vesiculosae), vesicular glands, or seminal glands, are a pair of simple tubular glands posteroinferior to the urinary bladder of some male mammals. Seminal vesicles are located within the pelvis. They secrete fluid that partly composes the semen.
They pass through the prostate, and open into the urethra at the seminal colliculus. During ejaculation, semen passes through the prostate gland, enters the urethra and exits the body via the urinary meatus.
I believe that the answer is:
A.
They allow the sperm to travel to the urethra to be released.
What was the greatest step toward the discovery of cells?
Discovery of DNA
Cloning
Invention of the microscope
The idea of spontaneous generation
discovering dna was the greatest step in celld3
Invention of Microscope was the greatest step toward the discovery of cells.
Option C
Explanation:
The major step anybody have taken in the cellular studies is the invention of microscope. ''Anton wen Leeuwenhoek'' is the first man who discover a cell with life under the microscope. The first cell which was taken under the vision of microscope in 1674 was of an algae. Microscope is the instrument which helps to see the organism in minute size under the clear lens, this helps the study of the cell easier because of which the tiny cell organelles were easier to study.
20 POINTS! FIRST PERSON WHO ANSWERS THIS WILL GET BRAINLIEST, THANKED, AND 5 STARS!
Select Earthquakes and Major Plates on the World Geology map and observe earthquake activity around the South American plate. Based on your observations, what can you conclude about lithospheric motion of the South American plate with the Nazca plate and the African plate? EXPLAIN YOUR ANSWER!
Based on my observations, I can conclude that lithospheric motion of the South American plate with the Nazca plate and the African plate causes the earthquakes to engage nearest to volcanic activity causing it to either erupt the volcano, or increase the damage caused by the volcano.
Why is the top layer of the ocean the warmest?
The top layer of the ocean is the warmest because it absorbs most of the sunlight, resulting in a less dense water that stays at the surface. This layer, mixed by winds and currents, is called the mixed layer. Below this, temperature decreases rapidly in the thermocline, and deep layers receive no sunlight, remaining cold and stable.
Explanation:The top layer of the ocean is the warmest because it is most directly affected by the sun's energy. The sunlight efficiently heats the ocean's surface, resulting in a warm, less dense layer of water. This layer is referred to as the mixed layer, which has a uniform temperature due to the mixing effects of surface winds, waves, and currents. Beneath this mixed layer is the thermocline, a zone where the temperature drops rapidly with increased depth. Deeper parts of the ocean are substantially cooler because sunlight cannot reach them, and water here has minimal interaction with atmospheric temperatures.
The density of seawater, which is determined by its temperature and salinity, contributes to the ocean's stratification, with denser (colder and saltier) water lying below lighter (warmer and less salty) water. Human activities have increased the temperature at the ocean's surface, and satellite observations have confirmed the expansion of low-productivity areas in the ocean due to reduced vertical mixing and nutrient supply caused by this increased stratification.
Furthermore, the ocean absorbs a significant amount of the Earth's heat, with most of it concentrated near the surface. This is due to the ocean's high specific heat capacity, which allows it to absorb a lot of energy with only a small increase in temperature. Overall, the ocean's top layer remains the warmest due to a combination of sunlight absorption, wind-induced mixing, and the high heat capacity of water.
When the blending of traits occur, it is referred to as the principle of_______.
A. Hereditary
B. Complete Dominance
C. Incomplete Dominance
D. Hybridization
C. Incomplete Dominance
Incomplete dominance
The embryo's development as seen here represents which processes in the development of any multicellular organism?
A) meiosis followed by mitosis.
B) mitosis and cell differentiation.
C) meiosis and cell differentiation.
D) protein synthesis followed by meiosis.
Answer:
B) mitosis and cell differentiation.
Explanation:
Embryonic development of a multicellular organism has several stages.
In principle, cell multiplication occurs through the mitosis process in which each cell produces two identical daughter cells, in this phase the number of cells that make up the embryo is gradually increased.
The next phase corresponds to the cell differentiation in which by means of modifications in the gene expression, the cells acquire the morphology and the functions of a specific cell type and different from the rest of cell types of the organism
Which phrases describe the atmosphere? Check all that apply. protects Earth’s surface contains a mixture of gases and particles includes organisms in the air, on land, and in water consists of rocks, minerals, landforms, and Earth’s interior comprises oceans, lakes, rivers, streams, and groundwater
The correct option(s) are : 1 and 2. Or in letter form (A and B).
I just took this on my cumulative review test!
Good luck to the future people taking this:)
Answer:
Options (1) and (2)
Explanation:
The atmosphere is defined as the gaseous envelope that surrounds the earth. It is comprised of various gases which are found to be present at a certain amount, and this amount can also be increased or decreased depending on the processes and activities that take place on the earth's surface.
The atmosphere is helpful because it protects the lives present on earth from the harmful incoming UV radiations emitted from the sun. It also protects the water present on earth from getting evaporated into the atmosphere.
Thus, the correct answers are options (1) and (2).
Which organism is the producer in the following food chain?
Plant>Caterpillar>Lizard>Snake
the answer is plant because it produces it's own food source, and is also provides nourishment for herbivores and other animals.
Answer:
A. Plant
Explanation:
A producer is any organism that serves as a source of food for other organisms in a food chain, such as plants. With the definition of Producer in mind we can then understand that a caterpillar is a consumer and a lizard is a insectivore and/or carnivore and a snake is a carnivore, this leaves a plant as a producer.
what structures inside plant cells help with photosynthesis?
Answer:
Photosynthesis takes place in chloroplasts; cell walls allow plants to have strong, upright structures; and vacuoles help regulate how cells handle water and storage of other molecules.
Final answer:
Chloroplasts, with their chlorophyll and other pigments arranged in an antenna complex, are the main structures that facilitate photosynthesis in plant cells. The process also involves the stomata for gas exchange and the mesophyll layer which houses the chloroplasts.
Explanation:
The structures inside plant cells that help with photosynthesis are called chloroplasts. These chloroplasts contain chlorophyll, the pigment responsible for the green color of plants, and are the sites where photosynthesis occurs. Chloroplasts consist of a double membrane enclosing an inner fluid called the stroma, which contains coin-like thylakoids stacked in grana. The thylakoids have a specialized membrane that embeds the chlorophyll and accessory pigments, organized in an antenna complex that captures solar energy and transfers it to a reaction center. Additionally, the process of photosynthesis in leaves involves cellular structures such as stomata regulated by guard cells for gas exchange, and the mesophyll layer where the chloroplasts are largely located.
Use this portion of a dichotomous key for tree identification to answer the question. 1a. Needlelike leaf ® Step 10 1b. Broad leaf ® Step 2 2a. Compound leaf ® Step 3 2b. Simple leaf ® Step 7 7a. Leaf bases attached opposite each other on branch ® Step 8 7b. Leaf bases attached staggered on branch ® Step 11 8a. Leaves lobed ® Maple 8b. Leaves not lobed ® Step 9 9a. Leaves heart shaped ® Catalpa 9b. Leaves not heart shaped ® Dogwood Which best describes dogwood leaves?
Answer:
(if these are your choices)
A. They are lobed, simple leaves and are attached staggered on the branch.
B. They are not heart shaped and are attached staggered on the branch.
C. They are compound, broad leaves and are attached oppositely on the branch.
D. They are nonlobed, simple leaves and are attached oppositely on the branch.
the correct answer is D.
Explanation:
Answer: D
Explanation:
Can someone please help I promise to mark brainlest!!!
Answer:
the 2nd one
Explanation:
Answer: you answer is b sorry if wrong home dog
Case study: How Do Beacteria Become Resistant? - Answer key
Answer:
when you don't take care of your self by not eating healthy, not exercising, and smoking or any kind if adult-like thing you see
Explanation
Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm. ... Antibiotics kill or inhibit the growth of susceptible bacteria. hope this helps
Which continent lies almost completely within the temperate zone?
Australia
North America
Antarctica
Africa
I took the class I think it’s Antarctica