Why do mutations that are harmful to cells occur more frequently than those that benefit cells?

Explanation:

Bryophytes are a proposed taxonomic division containing three groups of non-vascular land plants: the liverworts, hornworts and mosses. They are characteristically limited in size and prefer moist habitats although they can survive in drier environments. The bryophytes consist of about 20,000 plant species.

Answer:

The term Bryophyta came up from the word 'Bryon' which means mosses and phyton, meaning plants. These are the plants that grow in shady and damp areas and are small in size. They lack vascular tissues. They reproduce through spores instead of producing flowers and seeds.

Explanation:

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Based on a recent evolutionary tree, eukaryotes are more closely related to Archaea than to Bacteria.

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Based on observations of free-ranging chimpanzees, we now know that at least one of our two closest relatives, the chimpanzee, uses tools in a sophisticated manner.

This behavior was previously thought to be exclusive to humans and shows that chimpanzees have a level of cognitive and motor ability previously underestimated. Studies have shown that chimpanzees use tools for various tasks, such as fishing for termites, cracking nuts, and harvesting honey. This observations evidence has led scientists to re-evaluate the evolutionary relationships between humans, chimpanzees, and other primates, and has also shed light on the development of early human tool use and behavior. The discovery of observations tool use in chimpanzees has expanded our understanding of primate evolution and the origins of human behavior.

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The complete Question is:

Which of the following best describes what we have learned about our closest relatives based on observations of free ranging chimpanzees?

A. They are our only close relatives.

B. They are one of our two closest relatives.

C. They are not closely related to us.

D. Their behavior is not related to human behavior.

Nutritious foods like fruits and vegetables are one of the key food chains that are absent from the Galapagos Islands, and climate change may be to blame for this.

The term "food chain" refers to the flow of substance and energy in the form of food from one creature to another. The majority of food chains begin with green plants using solar energy to produce food, which is then consumed by an animal, which is then consumed by yet another species. As a result, the majority of the major food chains in the Galapagos Islands are composed mostly of nutrient-dense foods like fruits and vegetables, which may be a result of climate change.

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Answer:

Magnesium was the limiting nutrient in an experiment where you have a culture of algae that is growing pretty well in its current medium.

Explanation:

Quality and quantity of nutrients, light, pH, turbulence, salinity or salt content, and temperature are the primary regulating parameters for algal growth. In an experiment where two cultures are grown separately, one with nitrogen supply and the other with magnesium supply, shows good cultural growth in the one magnesium was added. Thus, rather than nitrogen, magnesium is the limiting nutrient.

The majority of algae need at least 17 critical elements to develop. The availability of these nutrients in relation to algal demand determines the nutrient that restricts algal growth in a water body. The limiting nutrient in most water bodies is either phosphorus or nitrogen, but in other systems, trace elements like iron and molybdenum may also be a problem.

The excessive algal growth in water bodies is referred to as eutrophication.

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The phenomena showed a ratio of 12, 3, 1 for combinations of two dogs (golden fur and black fur) as dominant epistasis.

The interаction between two dogs together, one with golden fur and one with black fur, color is recessive to no color аt one аllelic pаir. This recessive аllele must be expressed before the specific color аllele аt а second locus is expressed. Аt the first gene golden colored dog is dominаnt to the black colored dog, аnd the gene symbols аre G = golden аnd g = colored. Аt the second gene balck is dominаnt to golden, аnd the symbols used аre B = black, b = colored. If the dihybrid is selfed, three phenotypes аre produced in а 12:3:1 rаtio.

9 G_B_  Golden  Dominant golden allele negates effect of G allele

3 G_bb  Black  Dominant black allele negates effect of G allele

3 ggB_  Golden  Recessive color allele allows golden allele expression

1 ggbb  Black  Recessive color allele allows black allele expression

Becаuse the presence of the dominаnt G аllele mаsks the effects of either the B or g аllele, this type of interаction is cаlled dominаnt epistаsis.

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Answer:

so you know how much is it

Answer: The grease helped the loosen the chain. This is because of increased friction, and also because a rusty and dirty chain also means a rusty and dirty gear set and drive train, and imprecise shifting.

Explanation:

Answer:

a hydrocarbon chain

Explanation:

Answer: hydrocarbon

Explanation:

Answer:

Chromosomes are like a ball of yarn in the sense that there are multiple components that make up the structure. Genes can be in similitude of the smallest threads in the yarn and when a multitude of genes are put together they make a DNA strand or a long, thick thread of yarn. Lastly, when DNA is twisted together, it becomes bundled together, making a chromosome or a "ball of yarn".

Explanation:

When a thrombus moves from its original site and becomes lodged in a blood vessel at a new site, it is called an embolus.

An embolus can be a blood clot, a piece of fatty deposit, air bubble, or other material that travels through the bloodstream and obstructs blood flow to vital organs or tissues.

An embolus can cause serious complications depending on where it lodges in the body.

For example, if an embolus lodges in the lungs, it can cause a pulmonary embolism, which can be life-threatening. If an embolus lodges in the brain, it can cause a stroke, which can lead to permanent brain damage or death. Other possible sites for embolus lodging include the heart, kidneys, and limbs.

It is important to note that not all thrombi become emboli. A thrombus that remains in place without moving is called a stationary thrombus.

A stationary thrombus can also cause serious complications if it forms in a blood vessel that supplies blood to vital organs or tissues. The prevention and treatment of thrombus formation are essential in reducing the risk of embolism and related complications.

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Below is the response:

Germination is the first stage of a seed's development into a seedling. To germinate, seeds require the appropriate combination of temperature, oxygen, and water. In a state of suspended animation known as dormancy, seeds wait to germinate until the environment is favorable for their survival and growth.

The option missing in the query is:

Dry cotton wool

wet cotton wool

covered with water

The initial conditions needed for a seed to germinate are as follows:

warm temperatures are needed for effective enzyme operation.

water, where chemical reactions can occur.

oxygen, for breathing.

Observations:

Seeds planted here won't sprout because of the dry cotton wool. Since some of the prerequisites are not met, they won't exhibit any modifications. (Water isn't present.)

Seeds placed on wet cotton wool will germinate since all the circumstances are there for germinations to occur.

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the gases that kept different planta is A

Answer: it’s c

Explanation:

Answer: provide strength and durability to bone.

Explanation:

The fundamental structural element of the membrane is the phospholipid bilayer, which forms an impermanent barrier between two aqueous compartments.

Our cells' lipid bilayer is made up of hydrophilic head groups and hydrophobic tail groups. The chemical structure displays the hydrophilic head and hydrophobic tails. Lipid molecules can be classified into various groups. They are unable to identify the owner of hydrofluoric acid that contains a phosphate group, two tails made of fat, and an alcohol molecule. In this instance, we can observe that the oil and the liquid are both present in the water. This indicates that they have both hydro and hydrophobic regions. As a result, the bilinear shape behaves as a bilayer and is focused on the water-loving head rather than the tail.

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1. when an object is moving towards us the light from the object is known as blueshift.

2. As a wavelength increases in size, its frequency, and energy E decrease.

3. The frequency of a wave increases, and its wavelength decreases.

When an object is moving away from us the light from the object is known as redshift, and when an object is moving towards us the light from the object is known as blueshift. Astronomers use redshift and blueshift to deduce how far an object is away from Earth, the concept is key to charting the universe's expansion.

As the frequency of a wave decreases the wavelength increases as long as the wave's velocity remains constant. If the velocity of a wave does not change when frequency decreases, it means that a smaller number of crests or troughs pass a set point in a given amount of time.

Therefore, 1. when an object is moving towards us the light from the object is known as blueshift.

2. As a wavelength increases in size, its frequency, and energy E decrease.

3. The frequency of a wave increases, and its wavelength decreases.

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Answer:

If I’m correct it’s 15

Explanation:

Answer:

photosynthesis

Answer:

Panzola =x .... Pantra =Y ..... Neuralgia = Z

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The given statement "fluid filled space between the corpus callosum and the fornix" is false.

The fluid-filled space between the corpus callosum and the fornix is known as the third ventricle, not a specific space between the corpus callosum and the fornix. The third ventricle is a midline cavity within the brain that is filled with cerebrospinal fluid (CSF). It lies between the left and right thalamus and is situated below the corpus callosum and above the hypothalamus.

The fornix, on the other hand, is a bundle of nerve fibers that is located in the brain and plays a role in memory formation and recall. It is a part of the limbic system and connects the hippocampus to other brain regions.

Therefore, the statement that there is a fluid-filled space specifically between the corpus callosum and the fornix is not accurate. The third ventricle is the fluid-filled space that lies in that general region of the brain.

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Answer:

Bacteria use the same RNA polymerase to transcribe all of their genes. Like DNA polymerase, RNA polymerase adds nucleotides one by one to the 3′-OH group of the growing nucleotide chain.

Explanation:

During transcription, one nucleotide is added to the growing RNA Chain, extending the RNA chain in the 5′-to-3′ direction.

The DNA helix is unwound right before the active site for polymerization by the RNA polymerase, exposing a fresh area of the template strand for complementary base pairing. This process extends the RNA chain in the 5′-to-3′ direction by one nucleotide at a time.

An RNA strand that is complementary to a DNA template is created by RNA polymerase. While reading the template DNA strand in the 3' to 5' direction, it synthesizes the RNA strand in the 5' to 3' direction. The RNA and DNA strands of the template are antiparallel.

Therefore,  in the 5′-to-3′ direction in the RNA chain, it extended by one nucleotide at a time.

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Answer:

The correct answer is - habitat and niche.

Explanation:

The spider monkey gets a place to live in rain, and fruit to eat, and also protection from predators like the jaguar and large snakes from the big forest trees. All these characteristics are the characteristics of the habitat of an organism.

It also explains the position of the spider monkey in the ecosystem and explains how it interact in the ecosystem which is the characteristic of the niche of an organism.

Answer:

A

Explanation:

you collect information based on what you are doing and how it is responding. therefore you are collecting data

the total number of pushes all together will be 8N

Answer:

A

Explanation:

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can i have brainest? please? anways hope i helped

Answer:

The correct answer will be acquired traits can be passed to offspring.

Explanation:

Lamarck is known for his idea of "inheritance of acquired traits" by studying neck size of giraffes and stated that:

1. New organs or traits can be produced by long use during lifetime as response to external environment,

2. characteristic is inherited to the next or succeeding generations.

3. Organ can disappear if not used.

Scientists were not able to find and explain evidence for the theory for example :

1. The blacksmith’s arm- enlarges when used continuously against external resistance like weight of the hammer but it is not necessary that the smith’s children at birth would have large arms or later in his life.

2. Skilled Hands of a musician- skillful hands of a musician causes no increase in the size of the fingers and this trait might be passed to musician’s children and they also play instrument skillfully with no practice.

Thus, acquired traits can be passed to offspring  is the correct answer.

Answer:

What are the Similarities Between Cellular Differentiation and Cell Division? Cellular differentiation and cell division are two important processes occurring in living organisms, especially in multicellular organisms. Both take place in cells. Also, both are controlled processes.

Explanation:

and i the other guy copied me

Cell differentiation produces somatic cells, while mitosis refers to the cell division of somatic (body) cells.

In conclusion, cell differentiation produces somatic cells, while mitosis refers to the cell division of somatic (body) cells.

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The correct option is (d) keratin. Keratin is a proteinaceous material found in the outermost layer of the skin, known as the epidermis.

It plays a crucial role in providing protection from abrasions, water damage, and microorganism entry. Keratin forms a tough, flexible, and waterproof barrier on the surface of the skin.

This barrier helps prevent the entry of harmful microorganisms, such as bacteria and fungi, into the body. Additionally, keratin helps protect the skin from physical damage by acting as a shield against abrasions, cuts, and scrapes.

Furthermore, the presence of keratin in skin cells helps reduce water loss through the skin. It acts as an impermeable layer, preventing excessive evaporation and maintaining the hydration of the body. This is particularly important in preventing water damage to the skin, keeping it supple, and preventing dryness.

In summary, keratin is the material in skin cells that provides protection from abrasions, water damage, and microorganism entry. Its structural properties and ability to form a protective barrier make it an essential component for maintaining healthy and resilient skin.

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Answer:

It will be (cementation).

That's the correct answer.

The process that binds together sediment to form new rock is cementation. The correct option is A.

Cementation is the process of mineral materials precipitating in the pore spaces to harden and weld clastic sediments (those generated from preexisting rock pieces). It is the final phase of sedimentary rock formation.

Through cementation, sediments become sedimentary rock. In the spaces between the sediment particles, this action causes the precipitation of minerals.

Examples of cementing include carbonate hard ground and beach rock. Black rock is a particular kind of rock that develops along the shore and is composed of a wide variety of sediment types and sizes that have been cemented together.

Therefore, the correct option is A. cementation.

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