Cerebral Spinal Fluid (CSF) is produced by the arachnoid villi and absorbed by the choroid plexuses of the ventricles of the brain.true/false

Answer:

1. The process in which organisms find and colonize a near lifeless area.

2. They are different from each other because secondary supports life, as primary does not.

3. Pioneer species is a hardly classified species which establish themselves in  a disrupted ecosystem and trigger the process of ecological succession.

4. Biotic factors support life and the aspects. Abiotic factors involve external life. They interact with each other when the abiotic provide for the biotic.

Hope this helped! Please mark brainliest!

Answer:

c.protein kinases

phosphorylation of molecules by enzymes known as kinases.

The termination of a cell signal is most likely caused by protein kinases. The correct option is c.

Cell signaling is a process of transfer of signal or any information from the cell surface to the cytosol and then to the nucleus which leads to a gene expression.

Termination is the last process, in which those signals or sequences have been transferred, that stops the process of transcription or translation. When a process is completed, termination codons are given to stop the process.

Protein kinase is the substance that transfers the phosphate group to other proteins to change their structure. They help in energy metabolic processes and cell cycling processes.

Thus, the correct option is c. protein kinases.

To learn more about cell signaling, refer to the link:

https://brainly.com/question/15459841

#SPJ2

The statement that best describes an advantage of using stem cells from a yew tree to produce paclitaxel is option A:Stem cells can be grown and reproduced in a laboratory.

Old yew trees' drooping limbs can take root and grow new trunks where they contact the ground. As a result, in Celtic culture, the yew came to represent both death and resurrection. The toxicity of the tree's needles in particular will also have been known to the Celts.

Note that Yew trees were seen as both omens of doom and symbols of immortality. Yew branches were traditionally carried on Palm Sunday and during funerals for many centuries and can be grown in the laboratory.

Learn more about yew tree from

https://brainly.com/question/6698198
#SPJ1

See full question below

Q.

The yew tree is a rare and slow-growing tree. Paclitaxel is an anticancer compound obtained from the bark of the yew tree. The extraction of the compound is expensive and damages the yew tree. Scientists have isolated and grown stem cells from a yew tree that could be used to produce paclitaxel.

Which statement describes an advantage of using stem cells from a yew tree to produce paclitaxel?

answer choices

Stem cells can be grown and reproduced in a laboratory

Stem cells can differentiate into cells of a different species.

Stem cells from plants are more useful in producing animal protein.

Stem cells from plants are less likely to cause unfavorable mutations than stem cells from animals.

Answer:

selective breeding...

that's it

Answer:

-8-2=-10

+9-1=8

-12-48=-60

Explanation:

Answer:

Can you please post a picture I would love to answer!

Based on the image and the scenario described, the most likely harm resulting from continued forest fragmentation due to new housing developments in nearby areas would be the local wildlife and biodiversity.

Forest fragmentation refers to the breaking up of a continuous forested landscape into smaller, isolated patches or fragments. It occurs when human activities, such as urbanization, agriculture, or infrastructure development, create clearings or barriers within a forested area. These clearings can be roads, agricultural fields, or built-up areas like housing developments.

Forest fragmentation disrupts the natural habitat and connectivity for various species, leading to habitat loss, reduced populations, and increased risks of extinction for sensitive or specialized species. It can also negatively impact ecosystem functions and services, such as pollination, nutrient cycling, and water regulation.

For more details regarding forest fragmentation, visit:

https://brainly.com/question/6145053

#SPJ1

Particles that are both solid and liquid, as well as some gases that are suspended in the air, are what produce air pollution. These gases and particles can be produced by factories, volcanoes, wildfires, dust, pollen, and vehicle and truck emissions.

The largest causes of air pollution come from industrial sources, power plants that provide electricity, and fossil fuel powered cars. The constant combustion of fossil fuels emits chemicals, emissions, and air pollutants into the atmosphere.

Terrible consequences of air pollution

Heart and respiratory issues. Alarming impacts of air pollution. Children's health issues. Even before you take a breath, air pollution is bad for your health.

Learn more about Air pollution

https://brainly.com/question/609967

#SPJ9

The assignment wants to know how you interpret the argument and how you develop an essay. For that reason, I can't write your essay, but I'll show you how to write it.

Below you can see an example of how your introduction might be written.

Terra Snider is an activist and co-creator of the movement formed by parents and teachers who seek a change in school schedules. Snider says that classes should start later, as they would optimize students' sleep and promote a series of positive effects.

Learn more about writing essays:

https://brainly.com/question/8407102

#SPJ1

Answer:

An example of osmosis is slowly learning how to sew after sitting next to an experience seamstress. ... An example of osmosis is when red blood cells, which have a high concentration of protein and salt, are placed in a lower concentration fluid like water, the water will rush into the red blood cells.

Explanation:

Habitat 1: Forest

Species observed:

Eastern gray squirrel (Sciurus carolinensis)

White-tailed deer (Odocoileus virginianus)

Red-tailed hawk (Buteo jamaicensis)

Genetic variation observed:

The Eastern gray squirrels had variation in their fur color, with some individuals having darker or lighter shades of gray.

The White-tailed deer had variation in their antler size and shape, with some individuals having larger or more branched antlers than others.

The Red-tailed hawk had variation in their feather coloration, with some individuals having darker or lighter shades of red on their tails.

Negative impacts on the habitat:

Deforestation and habitat loss due to human activities such as logging and urban development can negatively impact the forest habitat of these species.

Pollution, including air and water pollution, can also negatively impact the health of the forest ecosystem and the species that depend on it.

Habitat 2: Coral reef

Species observed:

Clownfish (Amphiprioninae)

Blue tang (Paracanthurus hepatus)

Green sea turtle (Chelonia mydas)

Genetic variation observed:

The Clownfish had variation in their coloration, with some individuals having brighter or darker stripes than others.

The Blue tang had variation in their fin shape, with some individuals having longer or more pointed fins than others.

The Green sea turtle had variation in their shell pattern, with some individuals having more or fewer scutes (the bony plates that make up their shell).

Negative impacts on the habitat:

Climate change and ocean acidification can negatively impact the health of coral reefs, which in turn can affect the species that depend on them.

Overfishing and destructive fishing practices can also damage coral reefs and reduce the populations of fish and other species that depend on them.

Answer:

No image of the cell has been provided.

Explanation:

Answer:

Label A

✔ Vacuole

Label B

✔ Cell wall

Label C

✔ Chloroplast

Label D

✔ Mitochondrion

Explanation: this is right on endgenuity, i just completed this question.....hope this helps! (but keep in mind our picture may be labled different so im sry in advance)

It is either reflected off snow, ice, or other surfaces or it is absorbed by the Earth's surface.

Answer:

It is absorbed or reflected as it travels to Earth’s surface.

Explanation:

With all multicellular organisms all the cells that are dividing do not undergo the process of passing genetic information. . Basically all the cells are passing out the genetic information except the RBC and the cornified cells.  

It is the information that is passing to the genomic interpretation of a living organism what to code or what not to especially for the protein.

All the cells contain the genetic information even the cells which undergo differentiation are responsible for passing out the property of an assigned function contain the nuclear DNA as well.

RBC cells are the cells which do not contain DNA and the genetic information is not stored in these cells thus these are the cells which do not have the property as discussed in the question.

Learn more about RBC at :

https://brainly.com/question/13733676

#SPJ1

Answer:

Organic evolution is the theory that more recent types of plants and animals have their origins in other pre-existing forms and that the distinguishable differences between ancestors and descendents are due to modifications in successive generations.

Explanation:

Answer:

Organic evolution is the theory that more recent types of plants and animals have their origins in other pre-existing forms and that the distinguishable differences between ancestors and descendents are due to modifications in successive generations.

Explanation:

What is an example of organic evolution?  of Organic evolution produces genetic modifications in a species or inside a cluster of species with time. Examples of this phenomena are Evidence of missing links in Archaeopteryx, wings of birds and insects – analogous organs.

To categorize each term, we can determine if it is typical of a scientific theory, a scientific hypothesis, or both

Makes predictions about future events: Scientific Hypothesis. Based on observations of natural phenomena: Both Scientific Theory and Scientific Hypothesis. A tentative statement used to guide scientific investigations: Scientific Hypothesis. A well-established, highly reliable explanation: Scientific Theory

A scientific hypothesis is a tentative statement or prediction that can be tested through scientific investigation. It is based on observations of natural phenomena and can make predictions about future events.

A scientific theory, on the other hand, is a well-established and highly reliable explanation supported by a substantial body of evidence. It goes beyond individual observations and hypotheses, providing a comprehensive understanding of a particular phenomenon or set of phenomena.

Both scientific theories and hypotheses can be tested by many independent researchers to ensure the validity and reliability of the findings. Therefore, the term "Can be tested by many independent researchers" applies to both scientific theories and scientific hypotheses.

By categorizing the given terms, we can see that "Makes predictions about future events" corresponds to a scientific hypothesis, "Based on observations of natural phenomena" applies to both scientific theories and scientific hypotheses, "A tentative statement used to guide scientific investigations" refers to a scientific hypothesis, "A well-established, highly reliable explanation" represents a scientific theory, and "Can be tested by many independent researchers" applies to both scientific theories and scientific hypotheses.

For more such answers on Scientific Hypothesis

https://brainly.com/question/896413

#SPJ8

Answer:

symbiosis.

Explanation:

The term that you are referring to is symbiosis. (a symbiotic relationship)

Symbiosis is a proximate and often long-term interaction between two or more different biological species.

FALSE. X-rays and gamma rays are examples of ionizing radiation, but they do not cause the formation of thymine dimers.

Thymine dimers are a type of DNA damage that occurs when two adjacent thymine bases in DNA become covalently linked to each other, forming a dimer. This can occur when DNA is exposed to ultraviolet (UV) radiation from the sun or other sources. The formation of thymine dimers distorts the normal structure of DNA, causing errors during DNA replication and transcription, which can lead to mutations, cell death, or cancer. Thymine dimers are one of the most common types of DNA damage caused by UV radiation, and they play a significant role in the development of skin cancer.

UV radiation has a shorter wavelength than X-rays and gamma rays and is non-ionizing, meaning it does not directly ionize molecules. Instead, UV radiation causes chemical reactions in molecules, including the formation of thymine dimers in DNA.

To know more about thymine dimers, visit:

https://brainly.com/question/29517510

#SPJ1

Answer:

sorry I don't know answer

Explanation:

RNA growth is always in the 5′ → 3′ direction: in other words, nucleotides are always added at a 3′ growing tip, . Because of the ANTIPARALLEL nature of the nucleotide pairing, the fact that RNA is synthesized 5′ → 3′ means that the template strand must be oriented 3′ → 5′.

hope it helps you mark me brain list

Answer:

Upon germination, the tube cell forms the pollen tube through which the generative cell migrates to enter the ovary. During its transit inside the pollen tube, the generative cell divides to form two male gametes (sperm cells). Upon maturity, the microsporangia burst, releasing the pollen grains from the anther.

Answer:

the 3rd one would be most relative

Explanation:

The forest community each with 100 individuals distributed among four different tree species (W, X, Y, and Z)  would have the most relative abundant option as correct 25W, 25X, 25Y, 25Z.

Diversity is described because of the unique types/sort of lifestyles paperwork gift at the earth. Diversity plays an amazing position with the aid of using Maintain the stability of nature, law of weather, cleansing of air and water, carbon sequestration and international weather change, organic productivity, vitamins cycling, stabilize earth from erosion, and lots greater function.

Species are frequently described as the biggest organization of organisms wherein any people of the ideal or mating kinds can produce fertile offspring, normally through reproduction. Other approaches to defining species encompass their karyotype, DNA sequence, morphology, behavior, or ecological niche.

Thus it is clear that forest communities would have the most relative abundance are 25W, 25X, 25Y, 25Z.

To learn more about the communities refer to the link :

https://brainly.com/question/25689052

Answer: buuu

Explanation:

4. Mediators induce systemic acute syndrome D) All of the above.

5.  The best definition of inflammation D) Local reaction of the tissues to an injury.

6. The ultimate purpose of the inflammatory response is to: C) Localize, destroy, neutralize, and remove injurious agents in preparation for the process of healing.

7. The reactions occurs in an acute inflammatory response B) Arterioles in the area dilate to produce active congestion.

Locally released mediators, cytokines, and prostaglandins can all contribute to the systemic acute syndrome that can occur during inflammation.

5. Inflammation is a local response of the body's tissues to injury, infection, or other sources of irritation.

6.  The ultimate purpose of the inflammatory response is to eliminate or contain injurious agents and initiate the healing process.

7.  During the acute inflammatory response, arterioles in the affected area dilate, which increases blood flow and produces active congestion. This leads to the characteristic redness and warmth associated with inflammation.

Read more on systemic acute syndromehere https://brainly.com/question/30532379

#SPJ1

Answer:

See the answer below

Explanation:

First, there is a need to know that protists are unicellular, animal-like living organisms while fungi are unicellular/multicellular, achlorophyllous, and heterotrophic decomposing organisms.

A typical protist may have a plant-like cell wall or just an animal-like cell membrane without a cell wall. This is unlike fungi whose structure includes a rigid, chitin-containing cell wall.

Most protists also have locomotive structures that enable them to be motile. For example, the amoeba has pseudopodia, the paramecium has cilia, while the euglena has flagella. Fungi generally are immotile, that is, they do not have any locomotive structure that enables them to move.

Some protists have two vacuoles - contractile and food vacuoles - which assist them in essential functions such as osmoregulation and nutrition. Unicellular fungi such as yeasts only have a single vacuole.

Some protists such as the euglena have chloroplast which enables them to photosynthesize in addition to other forms of nutrition. Fungi generally, however, are achlorophyllous. They lack chloroplast/chlorophyll in any form.

Answer:

It is the seed of a plant because both have to break open to start a life. Hope this helps please reward brainlist.

Answer:

Some have lifelong relationships with other organisms, called symbiotic relationships. There are three different types of symbiotic relationships: mutualism, commensalism, and parasitism. Commensalism: only one species benefits while the other is neither helped nor harmed

Answer:

Nematode parasites can cause significant damage to crops and reduce yield, so it is important for farmers to take effective control measures. Here are some recommendations that farmers can consider:

1. Crop rotation: Farmers can rotate their crops with non-host plants to break the nematode life cycle. This helps to reduce the population of nematodes and prevent them from building up in the soil.

2. Soil solarization: This involves covering the soil with a clear plastic sheet during the hot summer months to increase the temperature of the soil and kill nematodes.

3. Biocontrol agents: Certain predatory microorganisms and beneficial nematodes can be effective in controlling plant parasitic nematodes. These biocontrol agents can be applied to the soil to help suppress nematode populations.

4. Nematicides: Chemical nematicides can be used to kill nematodes, but they should be used judiciously as they can have negative environmental impacts and may harm other organisms in the soil.

5. Sanitation: Farmers should practice good sanitation practices such as removing infected plant debris and cleaning tools and equipment to prevent the spread of nematodes.

6. Resistant varieties: Planting resistant crop varieties can help reduce the damage caused by nematodes.

7. Soil improvement: Maintaining soil health through practices such as adding organic matter can improve soil structure, fertility, and water-holding capacity, making it less hospitable to nematodes.

By implementing these control measures, farmers can effectively manage nematode infestations and protect their crops from damage.

Answer:

Explanation:

ome effective control measures against nematode parasites, such as crop rotation, use of resistant crop varieties, biological control methods, soil solarization, and chemical control using nematicides. Here are some links for further reading:

Brainliest pls

Answer:

90.71g

Explanation:

multiply 4.7 time 19.3 to get 90.71grams