Which best describes the outcome of DNA replication?

1) The new DNA molecule is identical to the original DNA.

2) The new DNA molecule is synthesized from amino acids.

3) The new DNA molecule has a different number of codons.

4) The new DNA molecule is single-stranded.

Answers

Answer 1
1) the new DNA molecule is identical to the original DNA

Related Questions

Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.

Mark this and returnHow is energy related to the change of staterepresented by the model?O Atoms gain

Answers

The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.

What is Atoms?

A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.

The atoms in this process move from a higher-energy state  to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.

Therefore the correct option is d.

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At any given time, a 4-acre field contains an average of 200 kg dry weight of mallow plants. For these calculations, assume that the food chain shown below is isolated and that there are no other predators or sources of food involved. mallow plant- painted lady butterfly - phoebe- fox Assume that the dry weight of each animal is on average as indicated below Painted lady butterfly 0.1g Phoebe 48 Fox 1 kg (1000 g) a. Assuming that 10% of the biomass, as measured in dry weight, is transferred from one trophic level to the next higher level, calculate how many foxes the field could support at any given time. Show your work and include in your calculations how many phoebes and painted lady butterflies the field could support b. Construct a biomass pyramid diagram depicting the food chain described above. Include only the organisms of the food chain that the 4-acre field will support, and label the trophic level occupied by each organism. The units in your pyramid should be grams per square meter (g/m?) (Note: 1 acre = 4046.86 m).

Answers

a. The 4-acre field will support a total of 200 g foxes at any given time.

b. The pyramid is attached.

How to calculate support for food chain?

a. To calculate the number of foxes that the field could support at any given time, we need to work our way up the food chain, starting with the mallow plants:

200 kg of mallow plants x 10% = 20 kg available to painted lady butterflies

20 kg of painted lady butterflies x 10% = 2 kg available to phoebes

2 kg of phoebes x 10% = 0.2 kg available to foxes

Now to convert kg to g to make the calculations easier:

200 kg = 200,000 g of mallow plants

0.1 g per painted lady butterfly x 20 kg of painted lady butterflies = 2000 g = 2 kg

48 g per phoebe x 2 kg of phoebes = 96,000 g = 96 kg

1000 g per fox x 0.2 kg of foxes = 200 g

Therefore, the 4-acre field could support approximately 200 g of foxes at any given time.

b. The biomass pyramid diagram is attached below.

To convert from kg per acre to g per square meter, multiply by a factor of 24.711 (since there are approximately 4046.86 square meters in an acre).

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 At any given time, a 4-acre field contains an average of 200 kg dry weight of mallow plants. For these

What regulations does the United States’ National Environmental Policy Act (NEPA) lay down?

Answers

The (NEPA) is a United States environmental law that advances the upgrade of the earth and built up the President's (CEQ).

What is Section 102?

Section 102 in Title I of the Act requires government organizations to fuse natural contemplations in their arranging and essential leadership through an efficient interdisciplinary methodology.

In particular, every government organization is to get a sharp point by point proclamations evaluating the natural effect of and choices to significant administrative activities altogether influencing the earth.

Thus, The (NEPA) is a United States environmental law that advances the upgrade of the earth and built up the President's.

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The regulations laid down by the United States National Environmental Policy Act (NEPA) include the underlisted.

What are the NEPA regulations?

The regulations of the United States National Environmental Policy Act (NEPA) include the:

Creation and maintenance of conditions for the harmonious existence of man and nature.Promotion of environmental enhancement.Establishment of the President's Council on Environmental Quality.

Thus, the regulations of the United States National Environmental Policy Act (NEPA) require all branches of government to consider environmental impacts before making decisions.

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the table shows data collected on pH level of an Adirondack lake from 1989 to 1996.

describe the the trend in pH level in lake over this 16 year period.

___________________________________________________________________________

Year pH level

1989. 6.7
1984. 6.3
1986. 6.4
1988. 6.2
1990. 5.9
1992. 5.6
1994. 5.4
1996. 5.1

Answers

The lake's pH has become acidic; in 1989, it was 6.7; by 1996, it had dropped to 5.1. This shows that the increase in the acidity which has several bad impacts on the lake water ecosystem and its community.

What happens when the freshwater becomes acidic?

The freshwater ecosystem differs from the oceanic saltwater ecosystem in that freshwater contains phytoplankton, edible fish, and so on. The fresh water has a normal pH, but the pH decreases and induces acidity when the water is polluted with different chemicals, such as nitrogen oxide, sulfur dioxide, etc.

When acid rain happens due to man-made pollution, this further adds acidity to the fresh water, and as a result, the species that live in the lake are not able to live and breathe properly due to a lack of oxygen. The acidity in the table increased year after year from 1989 to 1996.

Hence, the acidity of the lake increased and the pH decreased in these years, from 1989 to 1996.

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Which protein holds the sister chromatids together? Which protein holds the sister chromatids together?
a) securin
b) Mad
c) cohesions
d) Cdc20

Answers

Answer:

The correct answer is cohesin (which is close to cohesions in the option)

Explanation:

After DNA replication, the chromosome consists of two identical (long) threadlike strands called sister chromatids. These sister chromatids are double stranded  and are joined together at the centromere (in the centre by a protein complex called cohesin. The closest option to cohesin is option C.

According to the information in the text box above, salmonella disrupts the health of humans and animals by-

A. causing rot in plants that humans and animals consume.

B. causing human and animal immune systems to attack red blood cells.

C. causing water to accumulate in skin cells.

D. causing stomach problems and food poisoning.

Answers

The correct answer is D. Salmonella is a type of bacteria that causes food poisoning and various digestive symptoms when ingested by humans or animals. This can lead to dehydration, fever, abdominal pain, and in some cases serious illness. Salmonella infections can be caused by eating contaminated food or water or by handling infected animals

The complete metabolism of one molecule of stearic acid, a fatty acid with 18 atoms of carbon, would require ________ turns of the β-oxidation cycle.

Answers

8

In order to completely break down the fatty acid, a total of seven cycles of beta oxidation must take place. This generates a total of 8 acetyl-CoA molecules, 7 NADH molecules and 7 FADH2 molecules

the meaning of photosynthesis in paragraph​

Answers

Photosynthesis is a biological process that occurs in plants, algae, and some bacteria. It is the process by which these organisms convert light energy from the sun into chemical energy in the form of glucose (a type of sugar).

Photosynthesis is the process by which plants and other organisms convert light energy into chemical energy. This process involves the absorption of light by pigments such as chlorophyll, which is then used to convert carbon dioxide and water into oxygen and glucose. The oxygen is released into the atmosphere, while the glucose is used by the plant as a source of energy. Photosynthesis is essential for life on Earth, as it is the primary source of energy for most living organisms.

Order the following molecules in the order they are produced/used in the energy spending phase of glycolysis.Phosphorylated glucoseG3P (two of them)Glucose

Order the following molecules in the order they are produced/used in the energy spending phase of glycolysis.Phosphorylated

Answers

1. Glucose

2. Phosphorylated glucose

3. G3P (two of them).

Glycolysis refers to the process of breaking down glucose molecules into two three-carbon compounds generating energy.

In the first step, the glucose molecule is activated by adding a phosphate group, producing glucose-6-phosphate. In other terms, glucose is being phosphorylated. It is then converted into fructose-6-phosphate and another phosphate is being added. It produces fructose diphosphate and splits into two 3-carbon molecules. The next step is converting the (DHAP) to glyceraldehyde-3-phosphate resulting in two G-3-P's.

Which of the following processes releases carbon into the air? (5 points)

Answers

Answer:

Explanation:

Combustion of fossil fuels: Burning coal, oil, and natural gas to produce energy releases carbon dioxide (CO2) into the atmosphere.

Other processes that can release carbon into the air include:

Deforestation: Trees absorb carbon dioxide through photosynthesis, and cutting down forests can release the carbon stored in the trees and soil.

Volcanic activity: Volcanic eruptions can release carbon dioxide and other greenhouse gases into the atmosphere.

Decomposition: When organic matter such as plants, animals, and other living organisms decompose, they release carbon dioxide and other gases into the atmosphere.

Ocean outgassing: The ocean absorbs and releases carbon dioxide as part of its natural cycles, and some of this carbon can be released into the air.

It's important to note that while some of these processes are natural, human activities such as burning fossil fuels and deforestation have significantly increased the amount of carbon dioxide in the atmosphere, leading to climate change.

To classify an organism as an invasive species all of the following characteristics must be met EXCEPT:

O must be able to reproduce relatively quickly
must be non-native to that area

O must be likely to cause some type of harm

O must be spread through human actions alone

To classify an organism as an invasive species all of the following characteristics must be met EXCEPT:O

Answers

Answer:

Must be spread through human actions alone

Explanation:

Cause it's the only one that isn't true.

Which blood type can give to all the other blood types?

Answers

Answer:

Type O

Explanation:

Type O can donate red blood cells to anybody. It's the universal donor. Group AB can donate to other AB's but can receive from all others.

People with type O- blood are called universal donors because their donated red blood cells have no A, B or Rh antigens and can therefore be safely given to people of any blood group.

What happens in an ad hominem persuasive technique? A limited number of options are presented. A person is attacked rather than an argument. Loaded language is used to appeal to emotions. A quick judgment is made without the use of evidence.

Answers

Answer: B

Explanation:edg2021

In an ad hominem persuasive technique a person is attacked rather than give an argument.

What is an ad hominem argument?

An ad hominem reasoning argument is a type of argumentation where its validity is not based on an attribute.

An ad hominem argument is fallacious because it does not involve verifiable information to be proved.

This type of argumentation occurs when one person is attacked based on feelings of prejudice and or fallacious commentaries.

In conclusion, a person is attacked rather than give an argument in an ad hominem persuasive technique.

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The theory of endosymbiosis proposes that eukaryotes descended from a primitive combination of both archaea and bacteria. What evidence supports this theory?

Answers

Simplified answer:
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.

Explanation:
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.

Mitochondria and chloroplasts contain some of the same enzymes and transport systems as bacteria, and are similar in size and shape to bacteria. In addition, they both reproduce by binary fission, similar to bacteria. The presence of double membranes around mitochondria and chloroplasts also supports the theory of endosymbiosis, as this suggests that the organelles were engulfed by the host cell and retained their own membranes.

Finally, mitochondria and chloroplasts have their own DNA, which is circular like bacterial DNA. The DNA of mitochondria and chloroplasts also lacks histones, which are present in eukaryotic DNA, and is more similar to bacterial DNA in terms of gene expression and replication.

Together, these lines of evidence support the theory of endosymbiosis and suggest that mitochondria and chloroplasts were once free-living bacteria that were engulfed by a host cell and evolved into the organelles found in eukaryotic cells today.

How do antibiotics work?

A.Damaging bacteria cell walls
B.Killing Fungus
C.Making your immune system stronger

Answers

Answer:

A

Explanation:

Antibiotics are shaped like Y's they destroy the cell wall and stop it from duplicating itself.

Answer:

a damaging bacteria cell walls

Explanation:

took the quiz

aneuploidy can result due to which type of mutation(s

Answers

A major cause of aneuploidy is “chromosome instability.

Does aneuploidy cause mutation?

Aneuploidy impairs the karyotype and thus the species, independent of mutation because it buys highly conserved teams of proteins that segregate, synthesize and repair chromosomes. Likewise, it destabilizes genes.

We conclude that the transition of stable diploid to rocky aneuploid cell species is the primary cause of preneoplastic and neoplastic genomic insecurity and of cancer and that mutations are secondary.

So we can conclude that Aneuploidy: Extra or absent chromosomes. Changes in a cell's genetic material are called mutations.

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How is energy "lost" by organisms?
A.heat
B.cellular respiration
C. egested waste
D.biomass

Answers

Answer:

The think your answer is option B

Answer:

Heat energy lost by organism.

Explanation:

I think no A is the answer

A
Newton's 3 Laws can describe and
predict the --------- of just about any
object.
il
Volume
ORANGE
Mass
YELLOW
Motion
RED
3

Answers

Answer:

motion

Explanation:

there isn't any explanation I can think of

What is an invasive species?

Answers

Answer:

An invasive species is an organism that causes ecological or economic harm in a new environment where it is not native.

Explanation:

Invasive species can harm both the natural resources in an ecosystem as well as threaten human use of these resources. An invasive species can be introduced to a new area via the ballast water of oceangoing ships, intentional and accidental releases of aquaculture species, aquarium specimens or bait, and other means.

Invasive species are capable of causing extinctions of native plants and animals, reducing biodiversity, competing with native organisms for limited resources, and altering habitats. This can result in huge economic impacts and fundamental disruptions of coastal and Great Lakes ecosystems.

What distinguishes an amniotic egg from eggs laid by other animals, including fishes, amphibians, and invertebrates?

Answers

Answer: Structure

Explanation: Im pretty sure that the eggs from different living organisms may have different structures and features to it. Ofc there would be similarities but also differences in growth etc.

What are the stages of bee development (eggs,larvae,pupae)

Answers

The stages of bee development are egg, larva, pupa, and adult. Eggs hatch into larvae, which then transform into pupae. Finally, adult bees emerge and undergo further maturation.

The stages of bee development are:

1. Egg: The bee life cycle begins when the queen bee lays an egg in a honeycomb cell.

2. Larva: The egg hatches into a larva, which is a legless, grub-like creature. The larva is fed a special diet called royal jelly, which stimulates its growth.

3. Pupa: The larva undergoes metamorphosis and transforms into a pupa. Inside the sealed cell, the pupa undergoes various changes, developing into an adult bee.

4. Adult Bee: After completing the pupal stage, the fully developed adult bee emerges from the cell. The bee then undergoes further maturation, such as its exoskeleton hardening, wings expanding, and adult coloration appearing.

It's important to note that there are three castes of bees: queen, worker, and drone. The development process for each caste is similar, but the diet and size of the cells they are raised in differ, leading to their distinct roles within the colony.

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3. What is this called?
Please I NEED TO KNOW

3. What is this called?Please I NEED TO KNOW

Answers

Answer:

wavelength i think

Explanation:

wavelength!! hope it helped

What is one way humans return nitrogen to the soil for the nitrogen cycle?

Answers

Answer:

In general, human activity releases nitrogen into the environment by two main means: combustion of fossil fuels and use of nitrogen-containing fertilizers in agriculture. Both processes increase levels of nitrogen-containing compounds in the atmosphere.

Explanation:

hope this helps

In general, human activity releases nitrogen into the environment by two main means: combustion of fossil fuels and use of nitrogen-containing fertilizers in agriculture. Both processes increase levels of nitrogen-containing compounds in the atmosphere.

Which of the options is NOT a reasonable concern about CRISPR-Cas9's ability to edit human cells?
A. Off-target cutting could lead to cancer.
B. Genetically altered plants could make it into the human food chain.
C. Edited genes could affect the future gene pool.
D. Any edits made in germ-line cells will be passed onto the offspring.

Answers

Option B, Genetically altered plants could make it into the human food chain is not a  reasonable concern about CRISPR-Cas9's ability to edit human cells.

Large DNA deletions at target locations caused by CRISPR/Cas9 are a significant safety concern. These substantial deletions can have a base-pair range human cells of several hundred to several thousand . It is yet unknown what process led to the formation of these significant deletions. 1) the extent to which CRISPR usage should be allowed; 2) access to CRISPR applications; and 3) if a regulatory framework (or frameworks) for clinical research involving human subjects should include all forms of human genome editing, including editing of the human cells.

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Which of the following is the best explanation of the physiological reaction to the length of daylight hours often referred to as photoperiodism? Group of answer choices Plants will only flower during long day periods when the day length exceeds their necessary photoperiod. Plants are able to respond to photoperiodism, but animals are not. Migration is triggered by temperature change and not by photoperiodism. Hibernation is often triggered by photoperiodism.

Answers

Answer:

A. Plants will only flower during long day periods when the day length exceeds their necessary photoperiod

Explanation:

Photoperiodism is a phenomenon that refers to the response of an organism to the length of day. This phenomenon causes a physiological change in the organisms involved (plants or animals). However, the best studied example of change caused by photoperiodism is that of FLOWERING IN PLANTS.

Different plants flower at different times in response to the day length. Certain plants called LONG DAY PLANTS e.g. spinach and potato etc only flower when the length of day exceeds their photoperiod (threshold), which is usually 12 hours. These plants require very short periods of darkness to flower.

Hence, according to the question, FLOWERING response in plants is the best explanation to describe photoperiodism.

What was the climate like prior to the extinction ?

Answers

Answer:

The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.

E. Coli is a bacterium that lives in the gut of humans. The human provides the ideal habitat for e coli reproduction and the e coli provides the extra vitamin K that we use.

Group of answer choices

Parasitism

Predation (Predator-Prey)

Mutualism

Commensalism​

Answers

Answer:

The correct answer is - Mutualism.

Explanation:

E. coli and humans have a parasitic relationship as these organisms cause harm to the Humans while they reproduce themself, however, E. coli also have a mutualistic relationship with humans that are present in the gut of the human's digestive tracts.

These bacteria help in providing vitamin k and nutrients to humans that is essential for the clotting of blood and the human provides the ideal habitat for E. coli reproduction.

Why do you get dehydrated from anaratic

Answers

Answer:

Because it get really cold

Explanation:

What is the answer with exampltion please

What is the answer with exampltion please

Answers

the percentage of offspring is 75%

Explanation:

3/4 ×100=75%

Which of the following helps protect biofilms from issues such as drying out and predators

a.) Extracellular polymeric substances



b.) Quorum sensing



c.) Becoming sessile



d.) Autoinducers

Answers

Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A

Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.

One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.

EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.

Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.

While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.

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