An earthquake originated in New York State. The P-wave travel time for this earthquake was recorded in the data table below for four widely separated seismic stations, A, B, C, and D If the first P-wave arrived at seismic station A at 10hrs:22min:30sec, what was the origin time for the earthquake?

Salmon that have been genetically engineered have generated debate because of worries about the potential environmental and health effects if they were to escape and interact with native populations.

Canadian researchers patented genetically altered (GM) salmon after introducing a promoter—the genetic equivalent of a "on-off" switch—from an ocean pout and a gene that controls growth hormones in Pacific Chinook salmon into the genetic makeup of an Atlantic salmon.

All Atlantic salmon, including genetically modified (GM) salmon, is farmed salmon. Because Atlantic salmon is an endangered species, there is no natural fishery.

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CHILE DO U GO TO BLAIR HIGH SCHOOL

Answer:

1. Parent 1 is TTgg

2. Parent 2 is TtGg

3. The genotype ratio is 1:1:1:1

4. The phenotype ratio is 2:2

5. 50% has tall and yellow seeds

6. Genotype for tall and green seed is TTGg, TtGg

Explanation:

The parent 1 is homozygous tall, yellow seeds, therefore the genotype is TTgg, While parent 2 is herezogous for both traits, therefore the genotype is TtGg.

Crossing the two parents gives children with the following traits:

Parent 1 gamete: Tg                           Parent 2 gamete:     TG   Tg   tG   tg

TTGg, TTgg, TtGg, Ttgg

The cross gives: TTGg, TTgg, TtGg, Ttgg

Therefore, 2 is tall and green, 2 is tall and yellow

The phenotype ratio is 2:2

The genotype ratio is 1:1:1:1

1. Parent 1 is TTgg

2. Parent 2 is TtGg

3. The genotype ratio is 1:1:1:1

4. The phenotype ratio is 2:2

5. 50% has tall and yellow seeds

6. Genotype for tall and green seed is TTGg, TtGg

Answer:

Traits acquired during an organism's lifetime cannot be passed

Explanation:

The law of use and disuse of organs as postulated by Jean Lamarck was wrong due to the fact that environmentally acquired characters cannot be passed to offspring.

Changes to organisms that are not the level of the gene cannot be passed to the offspring. For example, a wrestler that got big muscles due to constant work out cannot pass big muscles to his offspring. The offspring will need to work out in order to have big muscles. This is because big muscles in the wrestler is environmentally acquired.

Only changes that happen to the genome of an organism (mutation) can be passed to offspring.

Answer:

The best method to reduce the threat of overfishing would be to limit the harvest of particular fish species.   The risk of oil spills could be reduced by increasing the use of  renewable energy sources  , which should help decrease oil consumption .  . If an oil spill does occur, bioremediation could be used to help remove the oil so the ecosystem may more quickly recover.

Explanation:

African penguins, which inhabit the coasts of southern Africa, were classified as an endangered species in 2010. Two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. Overfishing depletes the food supply of African penguins.

The best method to reduce the threat of overfishing would be to____

1. Construct a corridor to connect penguins and fish

2. Limit the harvest of particular fish species

3. perform a population survey on several fish species

 The risk of oil spills could be reduced by increasing the use of

1. Natural resources

2. Renewable energy sources

3. Nonrenewable energy sources

, which should help______ oil consumption

1. Increase

2. Decrease

. If an oil spill does occur, __________ could be used to help remove the oil so the ecosystem may more quickly recover.

1. Bioremediation

2.reforesation

3. recycling

Overfishing can be prevented by formulating policies to limit the harvest of fishes on the basis of species they belong to.

Opting for renewable energy, such as solar or wind energy, would greatly reduce the dependence on non-renewable energy sources such as fossil fuels. Reduction in oil dependence will in turn reduce the risk of oil spillage into the environment. as well as reduce oil consumption.

Spilled oil can be removed from the ecosystem by relevant bioremediation processes. Bioremediation involves the use of biological species to clean up pollutants (such as spilled oil) from the environment.

Answer:

blank 1-  limit the harvest of particular fish species

blank 2- renewable energy sources

blank 3- decrease

blank 4- bioremediation

The best method to reduce the threat of overfishing would be to limit the harvest of particular fish species.   The risk of oil spills could be reduced by increasing the use of  renewable energy sources  , which should help decrease oil consumption .  . If an oil spill does occur, bioremediation could be used to help remove the oil so the ecosystem may more quickly recover.

Explanation:

Answer:

El fitoplancton se basa en la cadena alimentaria marina. Sin embargo, el fitoplancton significa mucho más porque forman la base y la base de la cadena alimentaria marina. Se les conoce como fitoplancton porque dependen de la luz para el crecimiento y el sustento de la vida fuera del hábitat marino. Se sabe que son responsables del 50% de la fotosíntesis de la Tierra, por lo tanto, son cruciales para la supervivencia humana. Las algas son un grupo importante de fitoplancton. Otros ejemplos incluyen cianobacterias y diatomeas.

Explanation:

Answer:

A

Explanation:

the best choose is A..........

Answer:

A double helix

Explanation:

if some apeks users have the same answer choice as me

Answer: mutualism

Explanation:

According to the information given in the question, the relationship between a crocodile and a leech is an example of Commensalism.

Species interaction may be defined as a type of biological phenomenon through which the population of one species interacts with populations of other species that live in the same locality. There are various types of species interaction that can commonly be found in the nature and ecosystem.

According to the context of this question, the individuals of leeches attached to the tongue of a crocodile consume the crocodile's blood as food. In this way, the population of leeches gets benefits from the crocodile by taking their blood as a source of food and energy.

The Egyptian Plover is a bird that flies into the mouth of the crocodile and eats the leeches the crocodile does not harm the plovers. In this way, crocodiles do not get any harm or benefit from the population of leeches. So, this type of + and 0 interaction is known as Commensalism.

Therefore, the relationship between a crocodile and a leech is an example of Commensalism.

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Answer:

B

Explanation:

took the quiz

Have a good one

Electrons flowing along a protein pathway help produce ATP, according to the best description of what happens within the inner mitochondrial membrane. The correct option is B.

The electron transport chain is a collection of four protein complexes resulting in an electrochemical gradient that leads to the formation of ATP in a process known as oxidative phosphorylation.

It occurs in mitochondrial membranes during both cellular respiration and photosynthesis.

Thus, the correct option is B.

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Answer:

The answer is option A

Kreb's cycle take place in mitochondria

Whereas electron transport chain in the inner membrane

And glycolysis occurs in cytoplasm

Explanation:

The steps of cellular respiration that occur in the mitochondria are:

A. Krebs Cycle

C. Electron Transport Chain

Cellular respiration can be defined as series of metabolic reactions typically occurring in all living cells, so as to produce energy in the form of adenosine triphosphate (ATP).

Basically, there are three (3) main steps involved in cellular respiration and these include:

Krebs cycle is an aerobic reaction that occur in the mitochondria of both prokaryotic and eukaryotic cells and in the presence of oxygen, to produce carbon dioxide (), two (2) adenosine triphosphate (ATP), six (6) NADH, and two (2) FADH.

Similarly, electron transport chain is also an aerobic reaction that occur in the mitochondria.

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Answer:

The molecules are attracted to their less negative side.

Explanation:

The Oxygen in the water molecule will share or the hydrogens lone atom leaving the hydrogen with a more positive charge like in the picture I've added. This happens with all water molecules leaving the oxygen with more electrons and ultimately the more negative side. And positive and negative forces attract, so the now "positive" hydrogens will bond with the now "negative" oxygens. They form bonds using polarity, and use a very strong dipole dipole effect.

Answer:

High surface tension or just Surface tension

Answer:

Water and carbon dioxide

Explanation:

Water and carbon dioxide in the presence of light, enter the cells of the leaf, where, in the presence of chlorophyll, photosynthesis takes place and sugar and oxygen are produced.

Answer:

gamma rays

Explanation:

Energy released by fusion in the sun is initially in the form of gamma rays.

[A gamma ray designates the high frequency electromagnetic radiation of a photon whose wavelength is less than 1 picometer which corresponds to frequencies greater than 300 exahertz.]

Answer:

gamma rays

Explanation:

Answer:

Warm climates favor chemical weathering.

Cold climates favor mechanical weathering.

Chemical reactions occur faster at higher temperatures.

Answer:

1. Soluble

2. Catalyze

3. Denatured

Explanation:

1. We eat in order to obtain energy. However, this food is often in a complex state and needs to be broken down into its simplest form. The process of digestion ensures this occurs in living organisms. Digestion is the process of breaking down large food molecules into a much more simpler molecule that can be passed on to the blood stream for absorption by cells. These simpler molecules must be SOLUBLE in water for them to be transported into each cell via the bloodstream.

2. The breaking down of food molecules described above is facilitated by certain proteinous chemical agents called ENZYMES. Enzymes are biological catalysts i.e. they help speeden up the rate of biochemical reactions in living systems. In the case of digestion, specific enzymes chemically acts on specific food molecules. For example, amylase acts on carbohydrates, protease acts on proteins etc.

3. As stated above that enzymes are proteinous, it means they possess the characteristics of proteins. One of those characteristics is the ability to get denatured by increase in temperature. High temperature causes an enzyme to lose its specific 3D shape, affecting its functionality. Hence, the enzyme is said to be DENATURED.

Answer: Photosynthesis and the food chain.

Answer:

Hydrogen bonding

Explanation:

The nitrogenous bases form hydrogen bonds between opposing DNA strands to form the rungs of the twisted ladder or double helix of DNA.

Answer: Those questions that can be answered using experimentation procedures and observations can be answered through science and those that cannot be answered by experimentation cannot be answered through science.

Explanation:

1. It cannot be answered through science because right or wrong to use genetic engineering may be dependent on other parameters like ethical basis.

2. This can be answered through science. This can be answered while placing the resistant species to insects and observing the effect.

3. This cannot be answered through science. This can be answered on qualitative comparison which does not require scientific experimentation.

4. This can be answered scientifically by tracing the primitive life forms and using the residues to develop a new organism with the help of biotechnology.

5.  This cannot be answered through science. This is because social factors must be looked upon to understand how they are responsible for producing accomplished artists.

6.  This can be answered through science by analyzing the fossil record with respect to the strata were they were found beneath the earth.

Answer: trite a hypothesis

Explanation:

The basic idea of a hypothesis is that there is no pre-determined outcome. For a hypothesis to be termed a scientific hypothesis, it has to be something that can be supported or refuted through carefully crafted experimentation or observation.

Answer:

0.0139- frequency of heterozygotes in the population

Explanation:

Let q to the power of 2 represents the frequency of the homozygous recessive (aa) = 1/20000 = 0.00005

This, q = √q^2 = √0.00005 = 0.007

Since p + q = 1

p = 1 - 0.007 = 0.993

Using the formula: p^2 + 2pq + q^2

Where 2pq represents the frequency of the heterozygotes, thing we have

2 x 0.007 x 0.993

= 0.0139

Answer:

Explanation:

Nucleotides are building blocks of nucleic acids (DNA and RNA). A nucleic acid contains a chain of nucleotides linked together with covalent bonds to form a sugar-phosphate backbone with protruding nitrogenous bases. For example, DNA contains two such chains spiraling round each other in the famous double helix shape.

Answer:

its carbon and nitrogen

Explanation:

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Carbon and nitrogen are two substances that have parts of their cycles in which the substance must be "fixed". Thus, the correct option for this question is D.

A cycle may be defined as the series of steps that regularly run in a repeated manner to deliver the needs of organisms. Examples include the carbon cycle, the water cycle, etc.

Carbon is found as a solid in all of their isotopes but nitrogen is typically a gas that is present in 78% of the earth's atmosphere.

Option D is missing in the question which is carbon and nitrogen.

Therefore, the correct option for this question is D.

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Answer:

Unlike protons that have a positive charge, and electrons that have a negative charge, neutrons are neither positive nor negative; they are neutral. Neutrons and protons are what make up the nucleus of the atom

Answer:neutron

Explanation:

From the word neutron means its doesn't carry any charges .

Answer:

Not exactly, Domestication is the process of adapting wild plants and animals for human use.

Explanation:

domestication is not the process where animals are trained to do tricks useful for human needs instead it is the process of adapting wild plants and animals for human use.

Answer:

karyotype. A display of the homologous chromosome pairs of a cell arranged by size and shape. hemophilia. -bleeding disorder where the blood fails to clot properly.

Explanation:

If the father has the pattern than more likely the son will get the gene. Same goes for the mother and daughter.

Answer:

3rd

Explanation:

Answer:

How you should explain so it wont look plagerized:

Explanation:

I believe that the most important part of a plant is the roots and the stem because the roots carry the nutrients and the stems process it so the plant stays healthy and alive!

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