The phosphorus cycle is a kind of biogeochemical process.
The phosphorus cycle is a kind of biogeochemical process in which phosphorus moves through the environment, including the biosphere, hydrosphere, and geosphere. The process is driven by both natural and human factors, and it is closely connected to other biogeochemical cycles such as the carbon and water cycles.
In the natural process, Phosphorus enters the ecosystem through weathering of rocks and minerals, and it is taken up by plants through the roots. Then, the phosphorus is passed along the food chain from plants to herbivores to carnivores. Once the organisms die, the phosphorus is returned to the soil through decomposition by microorganisms, and the cycle continues. Human activities such as agriculture and mining can also affect the phosphorus cycle by releasing or removing large amounts of phosphorus from the ecosystem.
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DNA sequences can act as "tape measures of evolution." Some highly-conserved regions of the human genome (similar to comparable regions in other species) don't code for proteins. Why?
1. Such regions coded for proteins in genomes of distant human ancestors, but over time they became noncoding; however, conserving their sequence remained unchanged.
2. Such regions play a significant role in gene regulation. That is why they remain conservative under the influence of natural selection.
3. Such regions are the sites of DNA recombination. They should remain conservative to provide an accurate recombination process during cell division.
4. Such regions remain conservative because the mutation rate differs along the genome. In other words, such regions remain conservative accidentally.
Answer:
2. Such regions play a significant role in gene regulation. That is why they remain conservative under the influence of natural selection.
Explanation:
Within the genome there are many non-coding regions that control the expression of master developmental genes such as, for example, Hox major transcription factors (TFs) in animals and MADS-box TFs in plants. These gene regulatory regions (e.g., promoters and enhancers) are generally evolutionarily conserved within certain taxonomic groups. In consequence, such non-coding regions are well known to be conserved and interact in a sequence-specific manner with major transcription factors in order to regulate developmental pathways.
Which describes a single enzyme? A. Exists in many different shapes and sizes. B. Takes part in only one type of chemical reaction. C. Slows down the process of chemical digestion. D. Is involved in many types of chemical reactions.
Answer: B takes part in only one type of chemical
Kerstin is getting ready to graduate high school. She wants to become a cardiac perfusionist. Which best describes the path she should take to her career?
Answer:
four-year degree , master’s degree , certification exam from ABCP
Explanation:
Answer:
She should do a four-year degree , master’s degree , certification exam from ABCP
Explanation:
How are the chromosomes sorted during meiosis
Answer:
During meiosis l, homologous chromosomes pair up with each other.When the homologs are divided into daughter cells,the chromosomes are sorted randomly into daughter cells.if alleles of different chromosomes,then they assort indepently
Tides are caused by gravity of the__
1. Earth and sun
2.earth and moon
3.moon and stars
4.sun and moon
Answer:
the answer to your question is number 2
Which component of the endomembrane system is responsible for packaging and preparing exist proteins in vesticles?
Answer: Golgi apparatus
Explanation: The Golgi is responsible for packaging sorting tagging and distribution.
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As a cell grows in size, transporting the materials in and out of the cell becomes more difficult. Which process would help a cell to efficiently transport more materials into the cell as it grows?
Grupo de escolhas da pergunta
A) The cell develops a thinner cell membrane.
B) The cell undergoes a mutation.
C) The cell stores more materials in its vacuoles.
D) The cell divides into two cells creating more space for materials.
ASAP
Answer: D
Explanation: I answered the question
When the process would helps a cell to efficiently transport more materials into the cell as it grows: The cell divides into two cells creating more space for materials.
How does a Cell Grow?
When a Cell growth is not to be confused with cell division or the cell cycle, which are distinct processes but they can occur alongside cell growth during the process of cell proliferation,
whereas a cell, it is known as the "mother cell", Also, when grows and divides to produce two " daughter cells ".
Therefore, The correct option is 'D'. The cell divides into two cells creating more space for materials.
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Please help me answer this bro lol
Answer:
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
Explanation:
Describe how proteins form (polypeptide)
Answer: Atoms were created after the Big Bang 13.7 billion years ago. As the hot, dense new universe cooled, conditions became suitable for quarks and electrons to form. Quarks came together to form protons and neutrons, and these particles combined into nuclei.
Answer:
Within a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. Peptide bonds are formed by a biochemical reaction that extracts a water molecule as it joins the amino group of one amino acid to the carboxyl group of a neighboring amino acid.
How do individual’s affect environmental systems?
Answer:
Humans impact the physical environment in many ways like overpopulation
Explanation: pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. and many more ways.
Answer:
Humans impact the physical environment in many ways like overpopulation
Explanation:
pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. and many more ways.
Which is the primary source of stem thickening in plants? xylem vascular cambium internal phloem
A football is kicked by a player. The ball travels 50 m, to the west when it is caught by another player and that player travels 50 m, south. Create a vector diagram that shows both displacement vectors and the resultant displacement vector of the football.Use the scale of 1 cm of the graph paper = 10 m of motion.
Answer:
The football will hit the ground 2.11 seconds later.
Explanation:y = y0 + v0yt + ½ayt
2
0 = v0sin t + ½ayt
2
0 = t(v0sin + ½ayt)
t = 0 or v0sin + ½ayt = 0
½ayt = – v0sin
=
−20sin
=
−2(18.0)sin(35.0°)
−9.8
Would the answer to this be C or would it be A?
Answer:
I'm thinking maybe A
Explanation:
PLEASE HELP IM DOING A TEST RN!!
Which of the following describes how the pollen must travel in order for pollination to occur?
Question 18 options:
. from the stigma to the anther
from an anther to the style
from an anther to the stigma
from the stigma to the pollen tube
Answer:
from an anther to the stigma
Explanation:
Answer:
Anther to stigma!
The anther is where the pollen is granulated, and the stigma is the part where they reproduce.
Can someone help me fill in the blanks. Thank you.
Answer:
1) fungi
2) tubers
3)bulbs
4) unequally
5) cuttings
6)equally
7)root
8) mitosis
this my knowledge on this questions...hope i helped!
1. What do DNA Replication and Cell Division have in common?
2. Define Cell Differentiation in your own words.
3. Why are stem cells consjdered unique?
Answer:
1: During every cell division, a cell must duplicate its chromosomal DNA through a process called DNA replication. The duplicated DNA is then segregated into two "daughter" cells that inherit the same genetic information. This process is called chromosome segregation.
2: Cellular differentiation is the process in which a cell changes from one cell type to another. Usually, the cell changes to a more specialized type. Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
3: Stem cells have unique abilities to self-renew and to recreate functional tissues. Stem cells have the ability to self-renew. Unlike muscle cells, blood cells, or nerve cells—which do not normally replicate— stem cells may replicate many times.
Explanation:
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The picture shows an organ system in the human body
Brain
Nerve
-Spinal
cord
w
do these organs do in the human body?
O A. They filter pathogens and dead cells out of lymph before it returns
to the blood.
B. They monitor and react to changes in the body and its
environment
C. They release hormones that control the activities of cells and
organs
O D. They identify and destroy things that are foreign or harmful to the
body
Answer:
B
Explanation:
because the nerval system is for sending and capturing signals from the brain to monitor if you had a broken bone so your brain and nerves say you are feeling pain. on rare occasions the nerves will totally skip the pain part and send different information to your brain, like if you broke your finger, it would skip the pain and all you would see is a weird finger.
Please help me with this biology question...........
Chloroplasts are present in some plant cells only Give an example of plant cells that do not contain chloroplasts and explain why
Answer:
Chloroplast is specific to plant cell because plants are the autotrophs which can prepare their food by conversion of light energy to chemical energy. It is the vital photosynthetic pigment in leaves as it involves the conversion of light energy into chemical energy.
hope it is helpful.
Answer:
Please let me no if you still need help on this
Explanation:
I will glady help!
When there is a constant unbalanced force applied in the opposite direction as the motion, speed will ___________________ and acceleration will ________________________.
Answer:
When there is a constant unbalanced force applied in the opposite direction as the motion, speed will decrease and acceleration will increase.
Explanation:
An opposing force should slow something down, decreasing the speed, and acceleration is just change in speed or direction.
Have a great day!
If a middle level species were removed from the community, how might the flow ofenergy be affected? Explain your answer.
When we doing Strawberry Extraction, why do we need to remove the air as much as possible before seal the bag?
to keep it preserved and delicious
Answer:
Why do we need to cool the mixture? DNases or restriction enzymes that destroy DNA are present in the cell's cytoplasm. They are there to protect the cell from invasion by viruses. Once the nuclear membrane is destroyed by the soap, the DNA is now susceptible to the DNases and will quickly be degraded.
Explanation:
When you added the salt and detergent mixture to the smashed strawberries, the detergent helped lyse (pop open) the strawberry cells, releasing the DNA into solution, whereas the salt helped create an environment where the different DNA strands could gather and clump, making it easier for you to see them.
SOMEONE PLEASE HELP ME WITH THIS I REALLY REALLY REALLYYY NEED IT ILL GIVE BRAINLY IF U GET IT RIGHT
Answer:
i like trains and turtles
Explanation:
Germs that cause diseases?
Answer:
There are two main types of germs which can cause disease in humans and animals. These are bacteria and viruses. Bacteria are larger than viruses.
Explanation:
Based on your knowledge of the relationship between CO2 and photosynthesis explain why CO2 cycles throughout the year.
Answer:
we breath in Oxygen and breath out CO2 and CO2 destroys the atmosphere
Magma is molten (liquid) rock under Earth’s surface. Based on the image, how do you think magma turns into extrusive igneous rock?
Answer:
Magma come out of volcanoes that cools down and later on hardens up into rocks.
Explanation:
Magma come out of volcanoes that cools down and later on hardens up into rocks.
What is Magma?The existence of magma is essential to comprehending the geology and morphology of the mantle because the majority of the mantle and crust are solid.
Different types of magma form as a result of variations in the mantle's and crust's structural features, pressure, and temperature. Decompression Melting The mainly solid mantle of the Earth moves higher during decompression melting.
Convection causes this hot material to rise to a place with lower pressure.
Therefore, Magma come out of volcanoes that cools down and later on hardens up into rocks.
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SOMEONE PLEASE HELP ME WITH THIS I REALLY NEED HELP I WILL GIVE BRAINLY IF U GET IT RIGHT
I would say C is the answer
Scientists determined that an unknown organisms was a eukaryote and not prokaryote. Which characteristic would have allowed them to make this determination?
Grupo de escolhas da pergunta
A) Nuclear envelope
B) Cell wall
C) DNA
D) Flagella
ASAP
Answer:
cell wall would have allowed them to make this determination
Scientists would have determined that an unknown organism was a eukaryote and not a prokaryote based on the presence of a nuclear envelope (Option A).
What is a nuclear envelope?The nuclear envelope is a double-membrane structure that surrounds the nucleus in eukaryotic cells and separates the genetic material (DNA) from the rest of the cytoplasm. Prokaryotes, on the other hand, do not have a distinct nucleus or a nuclear envelope. Instead, their genetic material is dispersed throughout the cytoplasm and is not separated from the rest of the cell
Options B, C, and D (cell wall, DNA, and flagella) could also be used to determine whether an organism is a prokaryote or eukaryote, but the presence of a nuclear envelope is a key characteristic that definitively separates the two types of organisms.
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Anyone know this question?
Answer:
Its below in the explanation
Explanation:
the
AA is Hh
Bb is Hh
Cc-Hh
Dd-Hh
Ee-Hh
ff-HH
GG-HH
HH-HH
ii-Hh
Jj-Hh
kk-HH
Ll-Hh
Mm-Hh
nn-HH
oo-HH
Pp- Hh
Please help me, really need it
Answer:
they r more sever for them because they r a mixed blood type
sumtimes it is very rare for anyone of a mixed blood type to be more vunarable to a diesise rather than a full a or b
Explanation:
Answer:
I believe it is because having two x chromosomes gives the genome a fail safe as it can use the other x chromosomes' non-mutated sequences
Explanation:
How are all animal cells alike?
Answer:
Animal cells have centrosomes and lysosomes