Answer:
adding nucleotides one by one
Explanation:
A typical primer is about five to ten nucleotides long. The primer primes DNA synthesis, i.e., gets it started. Once the RNA primer is in place, DNA polymerase "extends" it, adding nucleotides one by one to make a new DNA strand that's complementary to the template strand.
Which of these disorders is when the pancreas does not produce enough insulin?.
A very small infectious agent composed of DNA or RNA surrounded by a protein coat and that can only reproduce within a host cell is called a
Answer:
virus
Explanation:
Environmental Impact Assessment #1
5
Considering the country's resources and its goals (for example, to minimize CO2 production), which of the following would be the most
environmentally sound energy choice for them as they build new power plants for more electricity generation?
O Anthracite coal, because they already know how to operate a plant that runs on it and they can buy coal from their neighbors.
O Hydroelectric, because it produces no CO2 and they have many rivers of their own that they could dam.
Wood, because
they have lots of forests which are potentially renewable and people could make money by cutting wood and selling it to the
power company.
Natural gas, because it produces less CO2 than any other fuel and they could purchase it from neighboring countries,
The country's resources and goals depend on the nature of electricity generation, CO2 emission, solar production, development of dams, etc.
What do you mean by Resources?Resources may be defined as useful or valuable possession or the quality of a country that are consumed as stocks.
Considering the country's resources and its goals, the most environmentally sound energy choice for them as they build new power plants for more electricity generation is that it produces no CO2 and they have many rivers of their own that they could dam.
Therefore, it is well described above.
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The graph represents the population trends for insects and the climatic factors during each month in an ecosystem.
Which conclusion does this graph support?
A The number of insects was fewer in October when there was a drop in the relative humidity and rainfall.
B The number of insects was higher in February when there was a drop in the average temperature and rainfall.
C The number of insects was fewer in December when there was a rise in the average temperature and relative humidity.
D The number of insects was higher in March when there was a rise in the average temperature and relative humidity.
Answer:
B
Explanation:
I would say B is the only one this supports. A is incorrect because there is not a drop in relative humidity in October. C is incorrect because there is not a rise in humidity. D is incorrect because the number of insects isn't higher in March, it's lower.
the chart below shows many traits found in pea plants. what would be the genotypic ratio for seed color in the F2 generation
The chart here is not found but is possible to determine phenotypes and genotypes by calculating the gametic combinations through a Punnet square.
What is a Punnet square?A Punnet square is a specific diagram used in genetics to calculate phenotypic and genotype frequencies.
A Punnet square is constructed by using the possible gamete combinations that will give rise to offspring.
The phenotypic frequencies obtained from a Punnet square depend on the type of inheritance mechanism.
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I need help with those two questionsss
Answer:
5 is c
4 is b
You would use pediatric aed pads for which children?.
Answer:
Pediatric defibrillation pads differ from adult pads by adjusting the energy level that is put out by the AED. These pads should be used for children under 55 lbs (typically under 8 years old), while adult pads should be used for individuals over 55 lbs (older than 8 years old).
Explanation:
. A piece of wood is collected from the sediments of the Mississippi Delta. A sample from the wood originally had one million (1,000,000) C 14 atoms. Now it only has 125,000 C 14 atoms. How old is the sample?
The wood sample is 17190 years since the carbon-14 isotope has undergone 3 half-lives.
What is the halflife of a radioactive element?The Half-Life of a radioactive element is the time taken taken for half the atoms present in the nucleus of that element to disintegrate.
The half life of carbon-14 is 5730 years.
Initial amount of carbon-14 in the wood sample = one million (1,000,000) atoms.
Now it only has 125,000 C 14 atoms.
Number of half-lives undergone = 3 half-lives
Age of the wood sample = 3 × 5730 = 17190 years
Therefore, the wood sample is 17190 years old.
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Which name is most accurate, a cougar, a puma, a mountain lion, or a panther?
Actually, all of these are common names for this animal. So why is it best for
scientists to use the scientific name from the standardized taxonomic system when
discussing Puma concolor?
All scientists will be using one name for mountain lions is why it is best for scientists to use the scientific name from the taxonomic system.
What is Taxonomic system?This involves the process of naming, defining and classifying organisms based on shared characteristics.
Mountain lions having just one name helps to prevent confusion and is why it is best to use the scientific name from the taxonomic system.
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Answer:
All scientists will be using the same name no matter where they live is your answer.
Explanation:
It is because it is a universal language among scientist (binomial nomenclature) It is important that everyone calls animals the same name (in science) so they dont get confuesed and waste time when they could be making discoveries.
30. The Asian country Georgia had a 2008 birthrate
of 11 and a death rate of 10. What was the PGR
of Georgia in 2008?
A. 1 percent
C. 1.1 percent
B. 0.11 percent
D. 11 percent
Answer: 1 percent
Explanation: Natural decrease occurs when death rate is greater than birth rate. This means that more deaths occur in a population than babies are born so population numbers decline. For several important causes of death, rising incomes and a variety of social programs have accompanied significant reductions in mortality. Higher incomes make possible the use of expensive medical technology and are correlated with less smoking than lower incomes.
Name three adaptations that helped plants survive on land, and describe how each of them helped.
Answer:
Plants have evolved several adaptations to life on land, including embryo retention, stomata, and vascular tissue
What is change over time?
A. adaptation
B. evolution
C. mimicry
D. fitness
Answer:
evolution
Explanation:
Organizations and agencies are a result of _______ in environmental protection issues. a. contingency plans b. hunting regulations c. government involvement d. all of the above
Organizations and agencies are a result of government involvement in environmental protection issues.
What is the organization protecting the environment?The organizations are made to protect the environment.
These organizations protect the trees, and animals and make rules to conserve the environment.
The saving environment is important to protect mankind.
Some organizations are worldwide fund, PETA, department of environment, food and rural affairs, etc.
Thus, the correct option is c. government involvement
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Answer: C. government involvement
What might result for a eukaryotic organism that lacked functional telomerase?.
Which of the choices below is not an essential role of salts in the body?.
the analogy are are working on comparing viral and replication with the making a product in a factory. In what ways does the analogy not hold true?
The analogy does not hold true for the control of virus multiplying, in the viral replication with the making of product in a factory.
What is viral replication?The development of biological viruses throughout the infection process in the target host cells is known as viral replication. Before viruses replicate, they must first enter the cell. The virus keeps infecting new hosts by producing several copies of its DNA and packaging these copies.
Thus, the analogy does not hold true for the control of virus multiplying, in the viral replication with the making of product in a factory.
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What is the difference between an introduced and an invasive species?
a) An introduced species is new to the ecosystem; an invasive species has been there a long time.
b) An introduced species is brought in on purpose; an invasive species is brought in by accident.
c) An introduced species is not necessarily harmful to the environment; an invasive species has a negative effect.
d) An introduced species is added in by humans; an invasive species enters new ecosystems on its own.
An introduced species is added in by humans; an invasive species enters new ecosystems on its own.
What are generated during the Krebs cycle?
A)pyruvate molecules
B)glucose molecules
C)electrons
D)electron carriers
Answer:
Pyruvate molecules should be the answer
What causes the red pigment to escape from beetroot cells?
Answer:
These pigments are a useful indicator of membrane fluidity as they are typically contained within the vacuole of intact beetroot cells. An increase in membrane fluidity will cause the pigment to leak out of the cell, and the amount of pigment can be measured simply by using a colorimeter.
Viruses are composed of Group of answer choices proteins, RNA and ribosomes single stranded DNA double stranded DNA and RNA Single stranded RNA RNA or DNA, but never both, and a protein coat
Answer: Viruses are composed of eight proteins. RNA. And ribosomes. Vi single stranded DNA. C. Double stranded DNA. And RNA. D. Single stranded RNA. A. E. RNA or DNA. Never both and a protein coat. It's a great answer. Here is e so virus has two components that all of them have nucleic acid and a protein caps it so this is their genetic material. It can be RNA or DNA. It can be single stranded or double stranded of Eva. But it's never a mixture of DNA and RNA. So it's one or the other and they have a protein caps it here the protein coats. So all viruses have these two components some also have a lipid envelope and those are called enveloped viruses. All of them have these two components. They don't have ribosomes. They need to use the host ribosomes translate their genes. There. I'm RNA is they may have single stranded DNA but they'll also have the protein caps it. And they could be R. N. A. Same for single stranded RNA. They could be single stranded DNA. Or double stranded DNA. And that MRS. For protein. And see it cannot be because this is a mixture of nucleic acids. And also another edition is they can have proteins that come along with them. For example. HIV will bring along reverse transcriptase inside the very um but they all at least definitely have RNA or DNA but not both. And a protein coat. All viruses will have that
Laws of inheritance
Explain the difference between a theory and a
law.
DONE
Answer:
Although theories and laws explain various concepts in science, there is a definitive difference between theory and law. Theory explains why something happens whereas law describes what happens when certain conditions are present. This is the key difference between theory and law.
Explanation:
i hope i was helpful
How can evidence of evolution be determined from a fossil record.
Answer:
Fossils provide solid evidence that organisms from the past are not the same as those found today; fossils show a progression of evolution. Scientists determine the age of fossils and categorize them all over the world to determine when the organisms lived relative to each other.
Explanation:
Which option best describes the steps of the scientific method after performing an experiment?
A. gather and analyze data → draw conclusions → alter or form a new hypothesis
B. share data → form a hypothesis → draw conclusions
C. make an observation → form a hypothesis → analyze data
D. draw conclusions → share data → alter or form a new hypothesis
Answer:
A. gather and analyze data → draw conclusions → alter or form a new hypothesis
Explanation:
After you perform an experiment you gather and analyze your data, then you draw conclusions based on your evidence, and with that evidence you form or alter a new hypothesis.
Which action would best help a person prepare for a hurricane?
A. Dressing warmly
B. Making an evacuation plan
C. Stocking up on reading materials
D. Making a healthy meal plan
Answer:
B. Making an evacuation plan
hope this helps
healthy soil is able to provide all the nutrients that support plant growth and to do so year after year what biotic or a abiotic factor directly supplies these nutrients
Answer:
Expl A. Microorganisms that live in the soil or on plant roots
B. Water from rain or melted snow
Explanation: Soil is the base for plants to grow. A soil is termed as healthy soil which contains all the biotic and abiotic factors that are essential for the plant growth.
Biotic factors : Biotic factors include all the necessary living organisms that promote plant growth. Biotic factor mainly include bacteria , fungi , protozoa , algae etc.
Microorganisms made Symbiotic relationship with plant. They provide plant essential nutrients and plant provide them shelter.
Abiotic factors : Abiotic factors include non living factors such as air , water , sun light etc.
Water is most important abiotic factor for healthy soil. Water helps plant to transport essential nutrients present in soil through the plant. Water also gives plant stability in the soil.
Melted snow can also be used in place of water.anation:
Evidence of which structure or characteristic would be most surprising to find among fossils of the ediacaran fauna?.
Answer:
The formation of anterior and posterior (head and tail) ends promoted a phenomenon called cephalization.
Explanation:
What do the respiratory system and cellular respiration have in common? question 2 options: oxygen plays a key role in both. they both rely on the heart. they both expel oxygen as a waste product. they have nothing in common.
answer: A. Oxygen plays a key role in both.
Explanation: I took the quiz.
areas of cover that connect isolated habitat are called __
a. habitat connectors
b. patch links
c. tree belts
d. wildlife corridors
Answer:
d. wildlife corridors
Explanation:
Answer:
d. wildlife corridors
After 38 years of state protection, the Florida black bear is joining a list of more than
60 animals that have been removed from the state's endangered species list. The
Florida Fish and Wildlife Conservation Commission (FWC) voted unanimously that
the species had regained a healthy population and is no longer in peril. Which of the
following most likely led to the change in the Florida black bear's status?
After 38 years of state protection, the Florida black bear is entering a list of more than 60 animals Florida Fish and Wildlife Conservation Commission (FWC) voted unanimously.
What is status of Florida black bear?The Florida black bear is recorded as a Recovered species; they are no longer regarded a protection concern. Both the human and black bear people in Florida have lived rising since the 1980s. They are, however, protected by the Bear Conservation Rule.
Thus, the Florida black bear is recorded as a Recovered species; they are no longer felt a conservation concern, watched by the Bear Conservation Rule.
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I will mark brainiest
Answer:
A
Explanation:
Not written in good English, and uses the comparative or superlative adjective wrongly.
Answer:
A.
The correction to A. is Georgia was the youngest of the choir. because it uses the word most which is not nessescary to put there unless we are saying something like this example, That is the most retorical question I've ever heard, Anna.