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Answer:

The formation of oil begins in warm, shallow oceans that were present on the Earth millions of years ago. ... It is this sediment on the ocean floor that then forms oil over many years. The energy in oil initially comes from the Sun, and is energy from sunlight that is trapped in chemical form by dead plankton.

Explanation:

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Answer: oil is formed by bones they decompose after hundreds of years of time

Explanation: btw it’s Alex

Answer/Explanation:

ATP is consumed for energy in processes including ion transport, muscle contraction, nerve impulse propagation, substrate phosphorylation, and chemical synthesis. These processes, as well as others, create a high demand for ATP.

Answer:

b. Great saphenous vein

Explanation: is correct/post protected

Answer: Flexion

Explanation:A muscle that crosses on the anterior side of a joint produces flexion. A muscle that crosses on the posterior side of a joint produces extension.

Answer: Flexion

Explanation:

Answer:

92 sister chromatids, in 46 pairs that are connected by a centromere

Explanation:

A human skin cell contains 46 chromosomes (23 paternally inherited and 23 maternally inherited). Before mitosis, the product of the replication is 92.

Cell division occurs during mitosis. All eukaryotic cells go through the process. There are four stages to the process. The cell divides during the procedure. A daughter cell that is identical to the parent cell is created.

A total of 46 chromosomes make up the 23 pairs of homologous chromosomes that make up human somatic cells. Since there is no genetic recombination during mitosis, unlike the meiotic cell division, which results in the production of haploid gametes, the daughter cells formed during mitosis are identical.

So, before mitosis, 46 + 46 = 92 chromosomes.

Therefore, the product of the replication is 92.

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Answer:

Efectivamente, una neurona puede ser a la vez presináptica y postsináptica y de hecho, esto es lo que sucede habitualmente en el Sistema Nervioso, formado por una intrincada red de neuronas que establecen multitud de contactos sinápticos entre sí y que a veces se consideran presinápticas, y otras, postsinápticas. Estos términos hacen referencia a la neurona que en un determinado momento envía la información (presináptica) y a la neuronas que la recibe o receptora (postsináptica). Si en una sinapsis química la neurona presináptica libera un neurotransmisor que se une a los receptores de la membrana postsináptica, se producirán cambios eléctricos en el potencial de membrana de la neurona receptora. Si la suma de todos estos cambios eléctricos (sumación espacial y temporal) supera el umbral de excitación de esa neurona postsináptica, se desencadenará un potencial de acción en su axón que se propagará a lo largo de él hasta llegar a los botones terminales, donde provocará de nuevo la liberación de un neurotransmisor. Así, la neurona postsináptica se convierte en presináptica enviando información a otras neuronas, que serán en este caso, neuronas postsinápticas.

Explanation:

The postsynaptic membrane depolarizes when Na+ reaches the postsynaptic cell. This depolarization induces an excitatory postsynaptic potential, which increases the likelihood of an action potential being triggered by the postsynaptic neuron (EPSP).The membrane potential can so surpass the barrier required to generate an action potential.

One postsynaptic potential's amplitude at the instant the next one starts will algebraically sum with it to create a bigger potential than the sum of the individual potentials. As a result, the membrane potential can cross the threshold necessary to produce an action potential.

Therefore, If a postsynaptic neuron is stimulated to threshold by spatial summation, this implies that (the postsynaptic cell has many synapses with many presynaptic neurons).

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Answer:

a. The thin filaments slide past the thick filaments.

Explanation: is correct/post protected

Answer:

b

Explanation:

Answer:

template strand in both bacteria and eukaryotes

Explanation:

Answer:

Binary fission

Explanation:

The cell division process of prokaryotes, called binary fission, is a less complicated and much quicker process than cell division in eukaryotes. Because of the speed of bacterial cell division, populations of bacteria can grow very rapidly.

Answer:

FALSE

Explanation:   Correct is Systolic OVER Diastolic

Answer:

A central line-associated bloodstream infection (CLABSI) is a serious infection that occurs when germs (usually bacteria or viruses) enter the bloodstream through the central line.

Explanation:

The frequency of a wave is the number of waves that pass a point in a given amount of time. It is measured in hertz (Hz), which is equal to one wave per second. The wavelength of the waves is 12 meters, the speed of the waves is 6 meters per second, and the time between wave crests is 2 seconds.

The wavelength of a wave is the distance between two consecutive wave crests or troughs. It is measured in meters. The speed of a wave is the distance that it travels in a given amount of time. It is measured in meters per second.

Frequency = 0.5 Hz

Wavelength = 6 meters

Wavelength = Speed / Frequency

Wavelength = 6 meters / 0.5 Hz

Wavelength = 12 meters

Speed:

Speed = Wavelength × Frequency

Speed = 12 meters * 0.5 Hz

Speed = 6 meters per second

The time between wave crests:

Time between wave crests = 1 / Frequency

Time between wave crests = 1 / 0.5 Hz

The time between wave crests = 2 seconds

Therefore, the wavelength of the waves is 12 meters, the speed of the waves is 6 meters per second, and the time between wave crests is 2 seconds.

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Answer:

As wind or an ocean current moves, the Earth spins underneath it. ... The Coriolis effect bends the direction of surface currents to the right in the Northern Hemisphere and left in the Southern Hemisphere. The Coriolis effect causes winds and currents to form circular patterns.

Explanation:

Answer:

I think that there are genes that are inherited from both parents offspring personalities? sorry if this did not help!

Given our understanding of Radioisotopes and ionizing radiation, we can confirm that they allow us to develop high-resolution images of some tissues, as well as induce apoptosis in cancerous tissues.

As we know, Ionizing radiation can be dangerous to humans and when used, must be used will all the proper safety procedures in place. This kind of radiation has enough power to cause mutations on a genetic level. However, this radiation also allows us to use X-ray imaging to obtain high-resolution images of bone tissue.

As stated before, ionizing radiation and radioisotopes are powerful enough to cause mutations on a genetic level. At times, these mutations can be so severe that they trigger apoptosis in cells. Scientists have been using this technology in order to induce apoptosis in cancer cells on command, with mixed results.

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Answer:

d. All of the above

Explanation: is correct. post protected

Answer:

Extinction occurs when an entire species cannot adapt to a long-term environmental change.

A population that cannot find food after a flood may migrate to survive.

Over many generations, the buildup of favorable adaptations in a population may lead to speciation

Explanation:

I did this assignment on edge!! 100% correct :)

Extinction occurs when an entire species cannot adapt to a long-term environmental change. A population that cannot find food after a flood may migrate to survive.

Extinction is the eventual devastation of a certain class of organism  when  they become unable to adapt to the environmental changes. Extinction can occurs through natural calamities such as flood, earthquake etc. or by human activities which destroys the habitats of the organisms.

A population that cannot find food after a flood may  migrate to survive. They may travel over distances to gather food or water or to shelter somewhere.

Over many generations, the buildup of favorable adaptations in a population may lead to speciation. It is the process by which a new species is originated. They find better adaptation to reproduce and make their population common.

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Answer:If she get x chromosomes from both parents, then shes XX

Explanation:

Typically, females have two X chromosomes (XX) and males have one X chromosome and one Y chromosome (XY).

Answer:

im pretty sure it's A correct me tho if I'm wrong

Answer:

The pituitary gland

The pituitary gland is vital to sleep because it secretes growth hormones. Sleep is essential for growth because it triggers the release of several hormones.

Our brain's pituitary gland is a structure that creates specialized hormones, including growth hormone (also referred to as human growth hormone or HGH). Growth hormone (GH) is released in pulses during the course of a 24-hour cycle.

Early sleep, in temporal conjunction with the beginning of the first period of deep slow-wave sleep, is when normal adult participants have the most consistent and frequently largest GH pulse (SWS).

Therefore, sleep, stress, exercise, and low blood glucose levels all raise growth hormone levels, released by the pituitary gland.

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Answer:

Genetically modified (GM) foods contain at least one ingredient coming from a plant with an altered genetic composition.16 Genetic modification, also known as genetic engineering, often introduces new, desirable characteristics to plants, such as greater resistance to pests. Many U.S. crops are grown using genetically engineered seeds, including a large share of the soybean, corn, cotton and canola crop. As a result, the majority of processed foods in the U.S. contain at least one genetically modified ingredient.About one-in-six (16%) Americans care a great deal about the issue of GM foods. These more deeply concerned Americans predominantly believe GM foods pose health risks. A majority of this group also believe GM foods are very likely to bring problems for the environment along with health problems for the population as a whole.A number of observers have suggested that Americans’ limited familiarity with genetically modified foods suggests that people’s opinions about GM are “soft” and, therefore, more likely to change over time and, potentially, to be sensitive to differences in survey question wording.

Explanation:

Genetically modified foods are made in such a way that their less effective or diseased genes are eliminated and beneficial genes are overproduced.

Genetically modified crops may be defined as those crops or foods which are derived in such a way that their genetic material does not occur naturally.

The concerns of GM foods outweigh the benefits and genetically modified foods should not be used. Some of the reasons are given below:

Therefore, the concerns of GM foods outweigh the benefits and genetically modified foods should not be used.

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Sedimentation has been identified as a primary stressor for the existence and recovery of coral species and their habitats. Sediment deposited onto reefs can smother corals and interfere with their ability to feed, grow, and reproduce.

Answer:

Antibiotics save lives but any time antibiotics are used, they can cause side effects and lead to antibiotic resistance.

Since the 1940s, antibiotics have greatly reduced illness and death from infectious diseases. However, as we use the drugs, germs develop defense strategies against them. This makes the drugs less effective.

Antibiotics fight germs (bacteria and fungi). But germs fight back and find new ways to survive. Their defense strategies are called resistance mechanisms. Bacteria develop resistance mechanisms by using instructions provided by their DNA. Often, resistance genes are found within plasmids, small pieces of DNA that carry genetic instructions from one germ to another. This means that some bacteria can share their DNA and make other germs become resistant.

Answer:

oxygen and sugar(glucose)

human consumes oxygen

animal that eats plants benefit from the sugar

The answer is glucose and oxygen.

There's a product other than glucose that comes out of photosynthesis: oxygen. Animals breathe oxygen every minute of every day, and we breathe out carbon dioxide.

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide.

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