Answer: It makes the DNA molecules split up into two separate strands of DNA.
An enzyme is a protein that facilitates certain cell processes makes the DNA molecule split up into two strands.
What does this enzyme (helicase) do to the DNA molecule?
DNA moves the nitrogenous bases, helping them to attach to the proper molecule. Complete the 2 molecules of DNA by dragging nucleotides to their corresponding locations.
The DNA enzyme helicase unzips the DNA strand in order that one side is often used as a template to form a replacement strand. DNA polymerase is another enzyme that takes nucleotides from the solution and bonds them to other nucleotides.
DNA helicase unwinds the double helix at the replication fork.
Therefore, the DNA molecule split up into two strands.
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what are the four layers that make up the earth?
Answer: The 4 layers that make up the earth is the crust, mantle, inner core and outer core.
Explanation: The crust, which is a main layer is where we live on. Without the crust, we'll be standing on the mantle! The temperate of the crust is 392 Fahrenheit! The crust is 30 km thick. The mantle is the second layer of the earth. It's below the crust and it's hot, dense and semi-solid. It's mostly made of iron, magnesium and silicon. It can reach as hot as 1000 Celsius (1832 Fahrenheit)! It's about 2900 km thick! Anyone who standing on it will melt! The inner core is the 3rd layer. It's below the mantle and made out of liquid iron (molten iron) and nickel. It is about 5,200 Celsius (9392 Fahrenheit). Now that is hot! Hotter than a fire even a heater! The last layer is the outer core. It's made out of liquid iron and nickel, like the inner core. The outer core can be as hot as 5500 Celsius (8132 to 9932 Fahrenheit!)
The unit measure that we use for Acceleration is....
What is the term for a series of two cell divisions where a specialized diploid cell becomes four
haploid daughter cells?
O binary fission
O fertilization
O reduction division
O mitosis
Plz help me
Answer: isn’t it meiosis ?
Explanation:
a process that forms a sedimentary rock?
Genetic engineering is best described as:
A. changing the RNA of a living thing to change its characteristics.
B. using certain genes to accomplish engineering tasks.
C. using genetic structures as examples for modern engineering practices.
D. changing the DNA of a living thing to change its characteristics.
Answer:
D. changing the DNA of a living thing to change its characteristics.
Explanation:
Genetic engineering is the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism. Traditionally, humans have manipulated genomes indirectly by controlling breeding and selecting offspring with desired traits.
Genetic engineering is the field of science that changes the DNA of the living organism to alter its original characteristic. Thus, option D is correct.
What is Genetic engineering?Genetic engineering is the manipulation and modification of genetic makeup like the DNA of the organism by deleting, altering, and adding the nucleotide bases.
It uses various techniques and tools to alter the DNA and hence, modify its characteristics. It uses RDT and another process to manipulate the genome and produces desired traits by controlled breeding.
Therefore, genetic engineering changes the DNA of a living organism.
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Which statement describes the role of chlorophyll in the production of food during photosynthesis?
Answer:
Green substance in producers that traps light energy from the sun, which is then used to combine carbon dioxide and water into sugars in the process of photosynthesis Chlorophyll is vital for photosynthesis, which helps plants get energy from light.
Explanation:
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4. (a) Describe a situation in which knowledge of
climate zones and ecozones would be useful
to you.
(b) Who else might benefit from these
classification systems?
Why is it difficult for scientists to study the inside of planet Earth?
Answer:
The deeper you go into the planet, the hotter it gets. Everything scientists use will eventually melt.
Explanation:
How are the cormorants found on the Galapagos Islands different than ones in South America?
Answer: galapagos cormorants are flightless
Explanation: flight is energy expensive. Cormorants in a remote archipelago don’t have anywhere to fly to. Natural selection favours energy efficiency.
In an energy pyramid, what organisms have the most energy available? *
1.) herbivores
2.) producers
3.) carnivores
4.) top predator
Answer:
I think producers
Explanation:
In an energy pyramid, producers have the most energy available. The correct option is 2.
What is energy pyramid?A graphic that depicts the biomass or bioproductivity at each trophic level in an ecosystem is called an ecological pyramid.
An ecosystem's energy transfer from one trophic, or feeding, level to the next is depicted by an energy pyramid.
The model is a figure that contrasts how much energy different trophic levels of species use. Kilocalories are the units used to measure the energy in an energy pyramid (kcal).
The producers are located in the base of the pyramid, which is also its greatest level.
The amount of energy diminishes and the levels get smaller as you progress up the pyramid, via the trophic levels to primary, secondary, and tertiary consumers.
Thus, the correct option is 2.
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Why is diversity important in nature and in
agriculture?
Answer:
Biodiversity is the basis of agriculture and our food systems. ... Agricultural biodiversity also performs ecosystem services such as soil and water conservation, maintenance of soil fertility, conservation of biota and pollination of plants, all of which are essential for food production and for human survival.
Explanation:
Hope this helps and have a great day!!!
9. Which of the following statements explains how the process of photosynthesis and
cellular respiration cyde matter?
A. The outputs of photosynthesis are the inputs for cellular respiration.
B. The inputs of photosynthesis are the inputs of cellular respiration
C. The inputs of cellular respiration are the inputs of photosynthesis.
D. The outputs of cellular respiration are the outputs of photosynthesis.
Answer:
Did you mean: . Which of the following statements explains how the process of photosynthesis and cellular respiration cycle matter
pleasssseeeee answer
A sample of DNA is collected from an organism. It is analyzed and determined that 20% of the DNA is made up of the base adenine. Based on this information, which of the following correctly lists the amounts of the three remaining bases for this sample
A 20% cytosine, 20% thymine, 20% guanine
B 30% cytosine, 209. thymine, 30% guanine
C 10% cytosine, 30% thymine. 40% guanine
D 30% cytosine, 30% thymine, 20% guanine
Explanation:
According to the Chargaff's rules the DNA from any cell of all organisms should have a 1:1 ratio (base Pair Rule) of purine bases [for the DNA cytosine, thymine and for the RNA uracil] and pyrimidine bases [guanine and adenine for RNA and DNA]. The amount of guanine should be equaled to cytosine and the amount of adenine should be equaled to thymine. You can follow this rule in both strands of the DNA.
According to the information given above, the amount of the three remaining bases for this sample is 30% cytosine, 20% thymine, and 30% guanine. Thus, the correct option is B.
What are Bases?Bases may be defined as the monomer of nucleic acids such as DNA or RNA. These nucleotide bases are composed of a pentose sugar, and a phosphate group.
There are four types of nucleotide bases that are generally found in any nucleic acid sequence. They are adenine, guanine, thymine, and cytosine. But in RNA, Thymine is replaced by Uracil.
According to Chargaff's rule, the amount of adenine is always equal to the amount of thymine, while the amount of guanine is always equal to the amount of cytosine.
∴ A = T : G = C.
If the amount of adenine is 20%, the amount of thymine is also 20%. Together, they constitute 40% of DNA, now the remaining is 60%.
This 60% is then equally divided into two parts between 30% cytosine and 30% guanine.
Therefore, the amount of the three remaining bases for this sample is 30% cytosine, 20% thymine, and 30% guanine. Thus, the correct option is B.
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How are human adaptations different from other animal adaptations?
Answer:
We are different because we don't have to eat from outside and we have different features.
Explanation:
carbon dioxide + water energy glucose oxygen
1. What process is shown in the diagram above
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Describe the types of matter and energy that are transferred or converted during each of these processes (photosynthesis and cellular respiration). Make sure to specify the process involved with each transformation or conversion.
Answer:
plasma gun and kfc
Explanation:
Which represents the size of a population?
the birth rate
number of species in an area
the death rate
number of indivduals in a species
Answer:
d.
Explanation:
[character limit thing]
Answer:
d
Explanation:
The molten layers of Earth were created when Earth heated up because of
Answer:
Explanation:
There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core material sinking to the center of the planet; and (3) heat from the decay of radioactive elements.
Mutations and variations are
1:willed into existence
2:random
Answer:
2:random
Explanation:
Mutations are RANDOMLY caused by mistakes in the DNA replication process there is no telling when they will happen, nor is there a way to force mutations!
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There are some clouds forming in the sky on a hot day, but inside the clouds, there are freezing temperatures. Which form of precipitation would you expect?
A) Hail
B) Rain
C) Sleet
D) Snow
Answer:
C) Sleet is the correct answer
I hope it's help for you
Have a nice day
Answer:
Hail - A
Explanation:
The temperature outside of the clouds is very hot which caused the colder water in the clouds to condensate. When the clouds got colder, the water began to freeze which would cause tiny drops of ice, i.e, hail to fall to the ground. Hope this helps :)
What is the temperature of a location at sea level?
Answer:
"These warm waters are needed to maintain the warm core that fuels tropical systems. This value is well above 16.1 °C (60.9 °F), the long term global average surface temperature of the oceans."
Explanation: Source: WiKIPeDiA
which best describes that earliest land plants
Answer:
they didn't grow very tall
Answer:
The earliest land plants were the ones which did not have deep roots. They were the non-vascular plants and included mosses, hornworts, and liverworts. i.e., the bryophytes. They reproduced through spores.
The unique properties of water enable life to exist on Earth. Which of these
is a property of pure water?
A,it dissolves many substances.
B,Itis slightly more acidic than air.
C,Its solid
form is more dense than its liquid.
D,It has a low heat absorption capacity.
Answer:
A
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One of the unique properties of water is that it has the capacity to dissolve many substances. The correct option, in this case, would be A.
Water is often referred to as a universal solvent. This is because the liquid has the capacity to dissolve more substances than any other liquid known to exist in nature.
The ability of water to dissolve a wide range of substances has been linked to its chemical and physical properties, especially its polar nature. Water molecules are polar with slightly positive and negative charges, Thus, they are able to attract other types of molecules
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What piece of evidence supports the theory that volcanic eruptions formed Earth's early atmosphere?
O Volcanoes expel gases with chemical compositions which closely match the ratios of gases in air not caused by photosynthesis.
O Volcanoes are clustered near the equator, so their gas output spreads over Earth's surface.
O Volcanoes expel a mixture of gases consisting almost entirely of water vapor and oxygen
Volcanic eruptions are inversely proportional to local atmospheric pressure.
Answer: Volcanoes expel a mixture of gases consisting almost entirely of water vapor and oxygen
Volcanic eruptions are inversely proportional to local atmospheric pressure.
Explanation: I think
Volcanoes expel a mixture of gases consisting almost entirely of water vapor and oxygen.
What is volcanoes?
Volcanic eruptions are inversely proportional to local atmospheric pressure.
An opening in the crust of a planet or moon known as a volcano allows molten rock, heated gases, and other things to erupt. As layers of rock and ash accumulate from numerous eruptions, volcanoes frequently take the form of a hill or mountain.
There are three types of volcanoes: active, dormant, and extinct. Active volcanoes have recently erupted; they are likely to do so once more. Volcanoes that are dormant have not erupted in a very long time yet could do so in the future. It seems unlikely that extinct volcanoes will erupt in the near future.
Therefore, Volcanoes expel a mixture of gases consisting almost entirely of water vapor and oxygen.
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Describe the structure of the nucleus, and explain the advantages that the nucleus can provide for the cell.
Answer:
here you go
Explanation:
As the DNA is present in the nucleus, it is organized, and the process becomes more efficient without the interaction of external bodies, like mitochondria, Golgi apparatus, etc. . The membrane of the nucleus protects the DNA from injuries.
what part does subduction play in the rock cycle
It pulls rocks deep into earth.
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3.) An organism's pre-birth stage of development?
A.) Fossil Record
B.) Embryo
C.) Coral
D.) Gastropod
Answer:
it is the embryo 100% I am sure of it
Answer:
B
Explanation:
Embryo is an organism in the earlier stages of development; in humans, usually the cell growth up to the end of the seventh week in utero
Worth all the points I have- Can anyone help me on this. My teacher told me I did it completely wrong :( I really need help ASAP
Answer:
if you f her she will let you get straight A+
Explanation:
ik becuase ive done it
Which two countries make up 1/3 of the world's population?
Answer:
china and india
Explanation:
The world's two most populated countries, China and India, together constitute about 36% of the world's population.
The two countries that make up 1/3 of the world's population are China and India. They are the most populated countries.
What is population density?The population density, or the number of people divided by the area's size, is determined by the number of people who reside there. Many different creatures' distribution, growth, and migration can all be described using population density.
The average number of people in a population per unit of area or volume is known as population density. For instance, the density of a colony of 100 insects living in a 100 square meter area is 1 insect per square meter.
It should come as no surprise that China and India, both of which now have populations well over a billion, are the two most populous nations in the world.
Therefore, China and India together account for one-third of the world's population. They have the highest populations.
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