which of the following choices contains a nucleus?
a. bacteria
b. eukaryotes
c. prokaryotes

Answer:

Space describes the distance between objects

A, because anything that is in this world has space, for example in a ballon.

Answer: C

Why?

I know for sure that the largest sediment in the list is the boulder. There are only two options with a boulder as the greatest (A and C). The reason it can’t be A is because the pebble is the second biggest sediment. That is definitely not true. The order of C seems the most correct.

Answer:

Often used to produce the product Insulin

Explanation:

Google

Answer:

The woolly mammoth (Mammuthus primigenius) is a candidate for de-extinction using either cloning or genome editing.

Answer:

The answer is movement toward or away from Earth.

In astronomy, it is said that the Doppler effect tells Astronomers whether a star, or galaxy, is approaching or going away from us. It turns out the farther a galaxy is away, the faster it gets away from us - meaning that the Universe is expanding.

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The answer is a movement toward and away from earth

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Hi

Charles Darwin was the founder of Eveolution, and he had to conduct many observations to be sure of his conclusions, until he finally came up with the theory of evolution, which is that every anumal evolves over time slowly depending on the changes in the genes.

That is why Charles Darwin is a good example of how observations can lead to great scientific questions...

Hope this helped you

Have a blessed day :-)

Charles Darwin saw that tortoises on each Galapagos island (these islands had drastically different environments) were all different. Darwin observed that all the tortoises had different shells that helped with there survive in each unique environment. He wondered why this was the case and how tortoises from islands so close could be drastically different. This lead him to theorize the famous theory of natural selection. That environment effect survival for the ones who are the best suited for it.

Does this help?

Answer:

D. The rock that formed from lava would have smaller crystals than the rock that formed from magma.

Explanation:

The volcanic rocks, effusive or, more rarely, extrusive are those igneous rocks that were formed by the cooling of lava on the earth's surface1 or magma (mass of underground molten matter) at shallow depths.

The rapid cooling of magma or lava that turns into volcanic rock causes many small crystals, also called microcrystals or fine grains, to form on these rocks. Rapid cooling can also form volcanic rocks composed entirely or partially of glass.3 The most common volcanic rocks on Earth are basalt followed by andesite, while other volcanic rocks are rhyolite, dacite and trachyte to mention a few. .

Volcanic rocks constitute a small part of the rocks that originate from magma. It is estimated that during the Cenozoic an annual average of 3.7 to 4.1 km³ of volcanic rocks have been generated on Earth, a much smaller amount than the 22.1 to 29.5 km³ of plutonic rocks that are believed to have formed on average annually in the same period of time. weather.

Answer:

Option B, they negate each other

Explanation:

Electrical gradient force is more or less equal to the chemical gradient during an active transport. The number of electron produced during the establishment of chemical gradients, were transferred through the cellular circuit to produce electrical gradient of an equivalent amount in opposite path.

Thus, both electrical and chemical gradient are opposite to each other and hence they negate out each other.

Option B

Answer:

B) they negate each other

Explanation:

The combined effects of electrical and chemical gradients lead to  the formation of an electrochemical gradient. This simply means  that both an electrical gradient and a chemical gradient can have an  effect on the movement of substances, and that their effects may  combine (the chemical and electrical gradients encourage  movement in the same direction), or they may negate (one gradient  opposes another).

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Answer: Disease

Explanation:

The graph here shows the carrying capacity for two populations of salmon living in different ecosystems:Area A has more food resources than area B.Hence the answer is option D.

The graph here shows the carrying capacity for two populations of salmon living in different ecosystems:Area A has more food resources than area B.Hence the answer is option D.

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Answer:

122 days I think

Explanation:

A) humans and nature

Organisms change due to a combination of human activities and natural processes, which include both abiotic and biotic environmental factors. These changes occur over time and are influenced by genetic mutations and the dynamics of evolution, impacting all levels of biological organization.

The changes in organisms are a result of both human activities and natural processes, which include abiotic and biotic factors. For example, changes can occur due to the gradual effects of environmental factors over time, such as climate and the availability of resources, as well as through direct human actions like selective breeding. Genetic mutations and the dynamics of evolution also play significant roles in how organisms change. These changes can be seen at various biological levels, including cells, populations, and ecosystems, and they are the result of complex interactions that organisms have with their environment.

Moreover, the development of organisms is influenced by their external and internal environments, leading to growth and changes in their homeostasis. Lastly, events and processes such as succession in ecological communities also demonstrate the impact of both time and environmental factors on organismal change.

Answer:

A small structure within the cell that serves speciallzed functions.

Hope this helps

:D

Answer:

A. A small structure within the cell that serves specialized funtions.

Explanation:

The answer is A) Translation

The process shown in the diagram is transcription, where DNA is copied into RNA.

The process shown in the diagram is transcription. Transcription is the process by which the information contained in a DNA sequence is copied into an RNA molecule. Removal of non coding regions pertains to the process where introns (non-coding regions) are removed from the primary mRNA transcript to produce the final mRNA. Copying usually refers to DNA replication, a process where a DNA molecule is copied to generate two identical DNA molecules.

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The correct answer would be OO.

I Hope this helps!

Answer:

OO

Explanation:

Each square represents a segregated outcome. The missing square is a cross between O and O and could only produce OO, which would be known as simply O.

The presence of individuals within a species in a specific geographic location is referred to as population density. It is in other words, the number of people per square kilometer.

The population density can be calculated in three types and different methods used show various information about the pressure that the population exerts on the land.

The three methods are:

The population density is the number of people per square kilometer.

Thus, the correct option is A.

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Population density is defined as the number of people per square kilometer, so this is the answer that tells you about population density. The other answers may give information on other aspects, but not directly on population density.

The population density of a place is defined as the number of people per square kilometer. It is a measure of how crowded a certain area is, meaning it gives an average number of people living per unit of area. The number of frogs in a pond, births per year, or deaths per year do not directly tell you about population density. Instead, these details may give you information about the natural resources, birth rate, and death rate respectively. Therefore, the answer to your question, 'Which of the following tells you population density?', would be the number of people per square kilometer.

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Answer:

B

Explanation:

Mostly, terrestrial planets (which are mainly made up of rocks) are usually smaller in size and therefore have lower mass, in comparison to gas planets. An example, in our solar system, is Saturn and Jupiter are bigger than Earth, Mercury and Venus. Due to their low mass, their gravitational pull is not strong enough to retain an atmosphere of very light gas such as hydrogen and helium. These terrestial planets can retain heavier gas such as carbon dioxide and oxygen.

The terrestrial planets lack hydrogen and helium in their atmospheres because hydrogen and helium were blown away by solar wind.

The correct option is (C).

Terrestrial planets have a solid planetary surface, which distinguishes them from larger gaseous worlds.

Terrestrial planets are nearest to the sun, so the temperature in these planets are high.

Due to high temperature, hydrogen, and helium gases are blown away.

Hydrogen and helium are very light gases, that's why always go upside away from surface.

Thus, option (C) solar winds blow away hydrogen and helium is correct.

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Answer:

A. Some speculate that they were blown out to the islands by a massive storm

Explanation:

The common rosefinches are thought to have arrived on the Hawaii islands between 6 and 7 million years ago. As the common rosefinches are not big birds and they can not fly over very long distances, the scientists believe that it is a massive storm that blow some individuals to the Hawaii islands. This is nothing weird, as it has been witnessed numerous times how massive storms manage to carry some smaller birds to places where they are not able to fly on their own. Once there, the birds encountered suitable conditions for living and lot of open niches in the food chain. This resulted in quick diversification of the common rosefinches, with members of the species gradually adapting to a particular niche, experiencing changes to be more competent, and creating numerous new species after some time.

Answer:

A

Explanation:

It is believed that the moon was formed shortly (relative time) after the earth was newly formed. This occurred in a massive planet-sized collision that  ejected a huge chunk of the earth out into space. The chunk, still within earth gravitational reach, began orbiting the earth becoming the moon. Both earth and moon are slightly more than 4 billion years old.

Answer:

A. Earth and the moon are nearly the same age.

Explanation:

These hypotheses are consistent with the evidence that shows rock from the moon and the earth have nearly the same age and composition.

Answer:

DNA

Explanation:

A. DNA a ribosome how to assemble a protein

Ribosomes get their orders for protein synthesis from the nucleus, where portions of DNA (genes) are transcribed to make messenger RNAs (mRNAs).

An mRNA travels to the ribosome, which uses the information it contains to build a protein with a specific amino acid sequence.

Endoplasmic reticulum is a network of membranes inside a cell through which proteins and other molecules move. Proteins are assembled at organelles called ribosomes.

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It is called passive transport not active transport

In RNA, the four Nitrogen bases are A, U, G, C.

A pairs with U, and U pairs with A

G pairs with C, and C pairs with G

Answer:

A - U

U - A

A - U

C - G

G - C

C - G

Short-term human ecological change is caused by habitat destruction, deforestation, wildlife hazards, pollution and non-sustainable harvesting. ... Deforestation, climate change/global warming, ozone layer destruction, and the mass-extinction of plant and animal species. Not sure about your question, but I hope this helped

A PCR is used to amplify DNA. The heating breaks the hydrogen bonds and ensures that the double-stranded DNA helix is melted such that the two strand separate. The cooling ensures that the introduced DNA primers bind with the single strands so that elongation of the chain (to form a new double helix) can be possible by DNA polymerase.

Answer:

Clay is the least porous of all soil types. It is the opposite of porous in comparison to sand.

Answer:

The most prominent kind of pollution during 1989 was air pollution, as several of the country's national parks were hiding behind the air pollution curtains. The pollution started to decline biodiversity as various species were vacating the polluted regions for the cleaner ones, as they were not able to thrive in such circumstances. Due to this some plants even died like Jeffrey pine trees in Sequoia. The biological diversity was at threat as scientists had observed that acid rain and ozone depletion were making the things even worse.

The most abundant pollution in US national parks has been air and water pollution due to industrialization, increased population, and urbanization. This pollution affects aquatic life and can lead to 'dead zones', the reduction of biodiversity, and habitat destruction. Air pollution contributes to the deterioration of air and soil quality, causing harm to both animal and plant life.

The most abundant pollution in the US national parks has historically been a mix of air and water pollution. Industrialization, increased population, and urbanization have been the major sources of this pollution. In fact, in 1969, water pollution was so dire that the Cuyahoga River in Ohio actually caught fire.

These forms of pollution have significant impacts on park wildlife and ecosystems. Pollutants in the water can harm aquatic life, creating 'dead zones' unable to support life. As these pollutants travel up the food chain, they can harm predators that consume the affected organisms. Over time, the accumulation of water and air pollution can lead to habitat destruction and reductions in biodiversity.

In the case of air pollution, elements like lead and other harmful chemicals from the burning of fossil fuels can contaminate the air and soil, leading to the degrading health of both animals and plant life. The impacts of these forms of pollution are long-lasting and damage the natural beauty of these protected areas.

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Soil condition directly affects crop growth.

Soil is used faster than it is replaced.

The destruction of soil can take just minutes.

Soil cannot be replaced in a short time.

Answer: All.

Explanation:

The answers to the questions are as follows:

1) Clouds return the water in the cycle when it A) rains.

2) Evaporated water forms into B) clouds.

3) The first step of the water cycle is that water B) evaporates into the air.

1) The water cycle involves several stages, one of which is the formation of clouds. Clouds are formed when water vapor in the air condenses into tiny droplets or ice crystals. This process typically occurs when air cools to its dew point, and the water vapor can no longer remain in a gaseous state. However, the question asks when clouds return the water in the cycle. This happens when the water droplets or ice crystals in the clouds become too heavy and fall to the ground as precipitation, which includes rain, snow, sleet, or hail. Therefore, the correct answer is A) rains.

2) When water evaporates from the Earth's surface, it turns from a liquid to a gas (water vapor). This water vapor rises into the atmosphere and cools, leading to condensation. The condensed water vapor forms tiny droplets that cluster together to form clouds. Therefore, the correct answer to the question about what evaporated water forms into is B) clouds.

3) The water cycle begins with the evaporation of water from the Earth's surface, which includes oceans, lakes, rivers, and even soil. The sun's energy causes water to change from a liquid to a gas, a process known as evaporation. This is the first step in the water cycle, where water B) evaporates into the air. Once in the atmosphere, water vapor can condense to form clouds, which eventually lead to precipitation, falling back to the Earth's surface to continue the cycle.

Answer:

A. the somatic and autonomic nervous systems

Explanation:

The two parts of the peripheral nervous system are the somatic and autonomic nervous systems

Answer:

Somatic and autonomic nervous systems.

Explanation:

The peripheral nervous system includes all the parts other than the central nervous system. The main functions of this system is to connect the central nervous system with the other system of the body.

The peripheral nervous system has been divided into the the autonomic nervous system and  somatic nervous system . Autonomic nervous system control the involuntary actions of the body further divided into two more systems that helps in the fight and flight mechanism of the body. Somatic nervous system controls the voluntary action of the body.

Thus, the correct answer is option (A).

Answer:

B. ATP & NADPH

Explanation:

fruits and vegetables are full of energy. Energy in the form of glucose. The energy from sunlight is briefly held in NADPH and ATP, which is needed to drive the formation of sugars such as glucose.

As Melvin Calvin discovered, carbon fixation is the first step of a cycle. The Calvin cycle transfers energy in small, controlled steps. Each step pushes molecules uphill in terms of energy content. Recall that in the electron transport chain, excited electrons lose energy to NADPH and ATP. In the Calvin cycle, NADPH and ATP formed in the light reactions lose their stored chemical energy to build glucose.

The Calvin Cycle uses ATP and NADPH to produce glucose. These energy carrying molecules are created during the light reactions of photosynthesis.

To produce glucose during the Calvin Cycle, the molecules ATP (Adenosine Triphosphate) and NADPH (Nicotinamide Adenine Dinucleotide Phosphate) are utilized. These two molecules are vital energy carriers and are produced during the light reactions of photosynthesis. The energy they carry is used to convert carbon dioxide which is absorbed by the plant into glucose (a type of sugar). For example, substances like Glyceraldehyde-3-phosphate (GA3P) are produced as part of the Calvin Cycle. GA3P is effectively half a glucose molecule and through two cycles of the Calvin Cycle one molecule of glucose is generated utilizing the energy from ATP and NADPH.

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Final answer:

Nonscientific questions include those about neighborhood pet preferences and astrology. Scientific plausibility involves looking for evidence and reproducibility. Physics deals with universal laws, whereas biology focuses on the diversity of life.

Explanation:

Nonscientific Questions

Regarding the questions listed, the following are nonscientific questions:

Evaluating Scientific Plausibility

To decide whether a report about spirit forces influencing the weather is scientifically plausible, one could ask:

Science and Free Will

If "science" suggests free will is an illusion, it wouldn't necessarily be wise to start behaving like a machine as human behavior is complex and influenced by a multitude of factors, not just neurological determinism. Personal experience and societal norms play significant roles in how we behave.

Differences Between Physics and Biology

While both physics and biology utilize scientific thinking, physics often focuses on universal laws that apply to all matter and energy. In contrast, biology deals with the diversity of life, its processes, and the many variables that can affect living organisms.