The hypothesis was regarding embryo self-inspection in early development is that viability of embryo metabolism is quite rather than active due to depletion and appearance of amino acids from culture medium.
Early embryo consist of remarkable plasticity which means ability of separated early blastomeres to produce a whole organism. This aspect was determined from flux of radiolabeled methionine, premises that extent of DNA damage, RNA and protein content of immature oocyte are key factors whether zygote progresses to blastocyst stage.
This hypothesis was obtained from human and mouse and could be equally applied to reproduction in livestock, to get models for humans.
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True or False: Earth contains many different cycles thatinteract with each other and they move through Earth'sdifferent spheres.
Earth's ecosystem can be divided into 4 spheres, which are the atmosphere, the biosphere, the hydrosphere, and the geosphere. These spheres interact with each other and a change in one of them may cause a change in the other three spheres.
Within the ecosystem, the substances, such as water, carbon, oxygen, and nitrogen, undergo biochemical cycles. Through this cycle, the substances revolve through all spheres and are distributed throughout the whole ecosystem.
The statement is therefore TRUE.
Is the surface ocean current relationship reinforcing or balancing?
The surface ocean current relationship is balanced.
what is Geostrophic current?
At the point when the water is pushed to the right it frames the slope we describe previously. In this way, when water is moved along by the breeze it needs to be gone to one side by the Coriolis force (in the northern half of the globe) yet it should battle against gravity (attempting to climb the slope of water framed by Ekman transport). A balance is met between the Coriolis and the gravity (pressure inclination force). This balance delivers a fair stream called a Geostrophic current.
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a home made protocol for animal tissue DNA extraction?
DNA (deoxyribonucleic acid) is the hereditary material in almost all living organisms. Most DNA is located in the nucleus.
For extraction of DNA we need 500 ml water,91% Isopropyl Alcohol (rubbing alcohol),Dishwashing liquid, Salt, Food coloring (dark colors recommended),3 clear plastic cups
Steps include Pour 500ml water in a plastic cup
2. Add one tablespoon of salt to the water
3.dissolved the salt completely
Transfer 2 tablespoons of salt water in a clear plastic cup
2. Vigorously trill the salt water
3. Spit salt water back into the same cup
When you trill the salt water, cheek cells will come out. Add 1ml of clear dishwashing soap to the salt .It will break open the cheek cells and their nuclei walls and this causes the DNA to be released into the salt water.
1. Pour 100 ml isopropyl alcohol plastic cup.
2. Add 3 drops of food coloring, and isopropyl alcohol in a separate clear plastic cup.
2. Add 3 drops of food coloring, mix them well
DNA is insoluble in isopropyl alcohol so it will promotes the clustering of the DNA, making them visible.
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How would you ensure you have valid data? PLS HELP IT’S DUE TOMORROW, 6th science
Make certain that your technique and measurement approach are high first-class and focused to measure exactly what you need to know.
Validity must be taken into consideration inside the very earliest levels of your research, while you decide how you'll gather your facts. Ensure that your method and dimension method are high great and targeted to degree exactly what you want to recognize. They ought to be thoroughly researched and based on present knowledge.
Legitimate information refers to statistics this is effectively formatted and stored. Dependable information, however, refers to statistics that may be a depended on foundation for evaluation and selection-making. legitimate facts is an important component of dependable information, but validity by myself does now not assure reliability.
The data ought to be the right type. As an example, users ought to enter quite a number in a total buy devices discipline. The information have to be constrained to viable values. as an instance, customers can most effective pick out a valid mortgage type by means of selecting the type from a list of options.
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How is looking at the carbon footprint or water footprint similar to looking at a biomass, energy,
or numbers pyramid?
The way that looking at the carbon footprint or water footprint similar to looking at a biomass, energy, or numbers pyramid is that indicates how much energy is stored as new biomass at each trophic level, and a pyramid of biomass shows how much biomass is stored as new biomass overall.
What is the carbon footprint of biomass?Of all energy sources, biomass energy has the fourth-highest carbon footprint. On a life-cycle basis, biomass fuel emits 230 grams of carbon dioxide (CO2) for every kWh produced. It is not as advantageous as it might seem, it contributes to climate change, and has other detrimental environmental repercussions.
Therefore, note that at higher trophic levels, organisms are often greater in size, but because there are fewer of them, there is less biomass produced. The total mass of all trophic level creatures is known as biomass.
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Over the last 540 million years, icecaps covered at least one of the Earth’s poles during three intervals.
The three final ice ages were within the periods between 450-420 mya, 360-260 mya, and 34 mya to show.
The ice age or serious wintertime term is caused by the variety within the time and concentration of Light. The light coming from the sun includes an exceptionally viable nature on earth's climate and by and large environment of the surface of the soil.
Andean-Saharan ice age (460 to 430 million a long time back)- It caused the mass termination of creatures, and after a brief term of time. The plants secured most of the surface of the soil. Because it too said that due to this tall number of plants another ice age was caused.
Karoo ice age (360 to 260 million years ago): karoo ice age worked much just like the same as that we are living in now. Antarctica solidifies over (14 million a long time back): Right now, we are living in this ice age. As the shafts of the soil are secured by ice caps.
The foremost latter is the Late Cenozoic ice age, beginning from 34 mya and still going on, in this way we are living in an ice age at the minute, fair that we are not in a period of glaciation.
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Although part of your question is missing, you might be referring to this full question:
Over the last 540 million years, icecaps covered at least one of the Earth’s poles during three intervals. When were those intervals?
Sitenem asserts that all woman’s issues in society stem from where
The Sitenem asserts that all woman’s issues in society stem from the se- x based myth.
The correct answer choice is option c.
How does women problems arise from same se- x based myth?It follows that in every society, there are always issues faced by the female gender which usually, frequently and most of the time results in the discrimination of their gender which does not favour them. Women are being discriminated against from all aspects of life such as education, career, politics and socially. It is on this premise that women issue originate from se- x based myth.
In conclusion, we can now understand that women are being faced face ld with the problem of se- x based myth
Complete question:
How does human human problems arise from same sex based might?
(a) The patriarchy
(b) Lack of constitutional protection
(c) Se- x based myths
(d) Se- xist laws
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Asexual reproduction provides for genetic diversity, the raw material for
evolution.
TRUE OR FALSE??
Answer: It is True
Explanation:
why are head or spinal injuries considered fatal
Answer:
The most extreme spinal twine injury influences the structures that alter bowel or bladder control, breathing, coronary heart fee and blood pressure. Most human beings with spinal twine injury journey continual pain.
what afe cells made of
Answer:
one of those could be the answer
Explanation:water, inorganic ions, and carbon-containing (organic) molecules.
27. In one part the ________ cycle, organic matter is buried underground andconverted to peat, coal, oil, or gas deposits.A. carbonB. nitrogenC. phosphorous
During the carbon cycle, organic matter can be used in multiple ways by different organisms, although, this chemical compound also can be buried underground and converted into peat, coal, oil, or gas deposits. This is possible due to organisms can store this material in their structures to grow, and eventually, when they decay, for example, when a tree or an animal dies, it begins to form part of the soil in which they were before. This is the reason why currently we can extract oil from underground sinks, because of those biggest organisms that lived millions of years ago, such as the dinosaurs and ancient plants.
Having this clear, we can say that the correct answer is the first one.
We can see the carbon cycle in this licensed image.
In mammals, X chromosome inactivation results in.
a total inactivation of both female X chromosomes
only the inactivation of the paternal X chromosome in females
only the inactivation of the maternal X chromosome in females
the random inactivation of either the paternal or the maternal X in females
the inactivation of the maternal X chromosome in males.
Answer:
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Question is in the image provided
C and D
The formation of some ATP molecules
The splitting of glucose molecules
why were Democritus ideas rejected by other philoshers of his time
2,500 years ago, Democritus suggested that all matter in the universe was made up of tiny, indivisible, solid objects he called "atomos." However, other Greek philosophers disliked Democritus' "atomos" theory because they felt it was illogical.
Once a cumulus cloud has formed, what needs to happen in order to produce a
thunderstorm?
A downdraft in the atmosphere needs to activate
the water droplets to begin falling.
Some of the accumulated water droplets need to
detach from th cumulus cloud.
Enough water droplets need to band together to
start falling back to earth as rain.
The temperature needs to increase rapidly before
anything will change.
Answer: Enough water droplets need to band together to
start falling back to earth as rain.
Explanation: I took the test
consider the table depicting the four major biomolecules of life. Then review the food web flow chart. One element is critical to building proteins as well as nucleic acids. What element is that? How does it get into the mix of biomolecule elements?
Considering a food web flow chart, one element critical to building proteins as well as nucleic acids is nitrogen.
It gets into the mix of biomolecule elements by means of the nitrogen cycle.
What are biomolecules?Biomolecules are large organic molecules found in living organisms. These biomolecules are essential for the fi=unctioning of living organisms.
There are four major biomolecules that are essential for life, they are:
proteins: proteins are the structural molecules of life. Proteins are composed of monomer units known as amino acids that are linked together by peptide bonds.lipids : lipids include the fats and oils which serve as energy stores as well as structural moleculesCarbohydrates : carbohydrates provide energy and also serve structural functions.Nucleic acids : nucleic acids are the DNA and RNA and they store genetic information.One element critical in the formation of both proteins and nucleic acids is nitrogen. Nitrogen is present in all amino acids as the amino groups as well as in the side chain of some amino acids.
Nitrogen is also an important element in the structure of the nitrogenous bases of nucleic acids.
By means of the nitrogen cycle, nitrogen is incorporated into biomolecules.
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transcribe 3’ TACCGTTAGGATATC 5’
Based on the sequence, the given sequence is the non-transcribed strand of DNA. I wrote a sequence of double-stranded DNA. The top strand indicates the transcription start site ATG. In messenger RNA, T or thymidine is replaced by U or uracil.
You can look up the codon table to give all possible amino acids where ATG, which encodes methionine, can be the first amino acid.
5'-A T G G G A A AT C A T C G G T G A-3'
3’-T A C C C T T T A G T A G C C A C T-5’
All mRNAs are read in the 5'-3' direction and polypeptide chains are synthesized from the amino terminus to the carboxy terminus. Each amino acid is specified by its three base codons in the mRNA, according to the nearly universal genetic code. The main enzyme involved in transcription is RNA polymerase, which uses a single-stranded DNA template to synthesize a complementary strand of RNA.
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Some bacteria contain a substance called nitrogenase. Nitrogenase
catalyzes the chemical reaction that converts atmospheric nitrogen
(N₂) into ammonia (NH3). Nitrogenase is an example of which
of the following?
A a sugar
B
an enzyme
Ca nucleotide
D
an amino acid
2
Answer:
B. an enzyme is answer og that question
7. How do mutations in DNA sequences affect a species?
Answer:
For mutations to affect an organism's descendants, they must: 1) occur in cells that produce the next generation, and 2) affect the hereditary material. Ultimately, the interplay between inherited mutations and environmental pressures generates diversity among species
Write an essay about your chosen job and the field of science it belongs to. Describe what that field of biology studies and how the job fits into that field. You should include information about a typical day in that job and the responsibilities and tasks of people in this profession. Be sure to include any important facts about how the job makes an impact in science and describe some of the significant discoveries that have been made in its field.
Working in molecular research would enable you to understudy the make up of materials.
Who is a molecular researcher?A molecular researcher, is one who is interested in being able to study the molecular composition of matter. This is one of the most fundamental areas of science as the scientists that work in this area are always trying to find out the molecules that compose matter. Recall that matter is anything that has mass and occupy space.
The area of molecular research is largely domiciled in the filed of biochemistry. Most of these molecules that are studied are of biological origin and can be found in the cell. During the pandemic, the molecular laboratories all over the word worked very hard to understand the nature of the corona virus.
Thus the field of molecular biology helps in the study of the DNA of living organisms as well us the understanding of the activities of enzymes. The greatest breakthrough of molecular research is the human genome project.
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In your own words, what was the purpose of the lab?
Which best explains the process of meiosis? PLEASE ANSWER!!!!
Answer:
Meiosis is a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes
Explanation:
Which means of particle transpoWhich means of particle transport requires input of energy from the cell?rt requires input of energy from the cell?
Active transport is the form of particle transport that requires input of energy from the cell.
Active transport is the one that makes use of energy for the transport of molecules across the membrane. It is further classified into two types: primary active transport and secondary active transport. Primary active transport directly uses the energy from ATP hydrolysis for the transport. Whereas, secondary transport involves cotransport system where the energy released from the downhill transport is used for the uphill transport of molecule.
Cell is the fundamental unit of life. It is the structural unit of all the organism. Cell can either be prokaryotic or eukaryotic.
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Which of the following are the products of the chemical equation
2H₂ + O₂ --> 2H₂O
H₂O
H₂
C8H18
0₂
Answer:
H20
Explanation:
Simply look at your right side of equation and product is always there.
What type of symbiotic
relationship occurs between
humans that provide a home to
gut bacteria that help break down
the human's food?
A. parasitism
B. commensalism
C. mutualism
Answer:
mutualism is the answer
Answer: C. mutualism
Explanation:
The Loch Raven Reservoir supports a variety of organisms at all times of the year. There is an algal bloom this year. How would the environment be expected to change?
It is expected that the algal bloom in the Loch Raven Reservoir would change by decreasing the amount of available biomass.
What is the direct consequence of an algal bloom?The direct consequence of an algal bloom is an increase in the amount of available oxygen in the aquatic system and a drastic reduction in the light that enters into this ecosystem, which reduces the amount of biomass because plants are unable to produce photosynthesis.
Therefore, we can conclude that the consequence of an algal bloom is a decrease in the biomass that supports the trophic chain in this aquatic ecosystem.
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What are the 4 nitrogenous bases that are represented by A, T, C, and G?
Please answer somebody right now
Answer: Muscle contraction occurs when the thin actin and thick myosin filaments slide past each other. It is generally assumed that this process is driven by cross-bridges which extend from the myosin filaments and cyclically interact with the actin filaments as ATP is hydrolysed.
Explanation: and this is what happens: The sliding of protein filaments is responsible for muscle contraction. When a motor neuron stimulates a muscle fiber, overlapping thick and thin filaments slide along one another and sarcomeres shorten. The combined shortening of many sarcomeres in many muscle fibers results in contraction of the whole muscle.
PLEASE NEED THIS RIGHT NOW PLEASE
WILL GIVE BAINIEST
what may happen to the population of pepper moths if they were relocated to a lush, green rainforest ecosystem. How would this impact natural selection and their struggle to survive?
Answer:
need more info, where r they now
Symbiotic relationships occur
between what types of
organisms?
A. Animals of the same species
B. Living and non-living things
C. Any two species that are living close together