which occurs during both DNA replication and protein production
A RNA leaves the nucleus
B DNA leaves the nucleus
C RNA unzips
D DNA unzips​

Answer:

malignant cells eventually acquire the ability to metastasize.

Explanation:

Cancerous tumors are called malignant neoplasms. When cells grow and divide more than they should, they can form tumors. Malignant neoplasms can spread to nearby tissues as well as to parts of your body that are far away.

A mass of aberrant tissue that develops when cells expand and divide faster than they should or do not die when they should. There are two types of tumors: benign, which do not cause cancer, and malignant (cancer).

Benign tumors have the potential to become quite large, but they do not metastasize (spread to neighboring tissues or other regions of the body) or invade.  Malignant tumors have the potential to metastasize, or spread to neighboring tissues and invade them. In addition, they have the ability to travel throughout the body via the circulatory and lymphatic systems. Also referred to as a neoplasm.

Cancerous bumps are big, hard, painless, and sudden. The bulk will develop steadily. Cancerous lumps can be felt on the breast, testicle, neck, arms, and legs.

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Food storage and digestion take place in an amoeba occur through food vacuoles.

Amoeba is a monocellular organism that shows holozoic nutrition. It absorbs nutrients and food from the surroundings by contracting the vacuole. It has pseudopodia a drizzle-like structure that moves food into the vacuole. Inside this vacuole, there are lysosomes that contain the hydrolytic enzymes. These enzymes perform the breakdown of food particles. The digested food is then directly absorbed through the cytoplasm. This is circulated to organelles and stored for energy. After assimilation, the undigested food and waste are excreted out by fusing of food vacuole with the cell membrane.

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Answer:

Explanation:Amoebas are single-celled organisms that belong to group protozoa.Food storage and digestion occur through process called phagocytosis. Due the presence of flexible membrane,they can change their shape,viz essential for their feeding mechanism.

Psuedopods are temporary projections of its cell membrane which is extended when it encounters a food particle. These pseudopods surround the food particle forming a small cavity called food vacoule.

Once the food particle is enclosed within the food vacuole, the membrane of the vacuole fuses and forms a (digestive vacuole)phagosome which contains the food particle and digestive enzymes. The digestive enzymes in phagosome breakdown the food particle into smaller molecules. The enzymes include proteases for protein digestion, carbohydrases for carbohydrate digestion, and lipases for lipid digestion.

Smaller molecules are gradually absorbed into the cytoplasm of the amoeba, where they can be utilized for various metabolic processes. The digestion products are transported across the membrane of the digestive vacuole into the cytoplasm through diffusion.

Any undigested or indigestible material is eventually expelled from the amoeba's body by process of exocytosis. During exocytosis, the residual waste material is packaged into a vesicle and then released outside the cell.

Food storage and digestion in amoebas involve

1: the engulfment of food particles through phagocytosis,

2: the formation of digestive vacuoles,

3: enzymatic breakdown of the food,

4:absorption of nutrients into the cytoplasm,

5: and elimination of waste materials through exocytosis.

Massive colonies of zebra mussels cause problems because:

Massive colonies of zebra mussels can cause multiple problems. They can destroy boat engines, block water flow through ducts, produce waste that pollutes the water, and consume large amounts of fish.

These issues can have negative impacts on ecosystems, water infrastructure, and industries reliant on water resources.

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A  situation in which an area with a high diversity index is healthier than an area with a low diversity index is an ecological niche filled with tall trees that has high richness in nutrients and also evenness in growth while  another ecological niche filled with the same trees that has only few species that has low richness and and low evenness.

An asexual method of making new organisms is budding. A new organism is created in this procedure from a tiny fragment of the parent organism. A newly created bud separates to grow into a new organism. As it continues to develop, the freshly formed organism is still attached.

The benefits of sexual reproduction include the offspring's genetic diversity. The species has a survival advantage because of its ability to adapt to new surroundings. A illness has a lower likelihood of affecting the entire population.

The Canada lynx (Lynx canadensis), which feeds on snowshoe hare, is an illustration of a carnivorous specialist.

An organism has a wide niche if it has adapted to a wide variety of environmental conditions in order to survive. The creature can exist in a variety of diverse situations based on its extensive range of adaptations and survival abilities.

Examples of structural adaptations include an organism's physical traits, such the bill of a bird or the fur of a bear. The remainder consists of behavioral modifications. Behavioral adaptations are used by organisms to help them survive. Calls and migration are two examples of behavioral adaptations in birds.

Because natural selection is the process that leads to this, the adaptation is suitable for a certain niche. A species' nature gradually changes as a result of natural selection in order for it to fit into the niche. If a species becomes extraordinarily well adapted to its habitat and the environment does not change, it can survive for a very long time before going extinct.

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Answer:

paraffin

Explanation:

There is little sunlight at high latitudes during the winter, so few crops can grow even if temperatures are regulated. To address this problem, special lamps can be used in greenhouses. These lamps allow plants to grow during the winter months. The scientific knowledge of the topic 'the colors of light that plants require for photosynthesis' was necessary to solve this problem.

The plants only use a specific wavelength or color of light from the sunlight, whereas the rest of the light is reflected back and is not used. The specific wavelengths that are required by green plants for photosynthesis are present in violet and red light.

However, red light does not have energy hence it is the violet light that is most actively involved in the process of photosynthesis.

In the scenario above, although moderate temperatures were provided to plants at high altitudes, they couldn't get enough wavelengths from sunlight that were required for photosynthesis. The usage of specific lamps allowed them to filter colors and use the ones that were needed for photosynthesis.

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Answer:

droplet consists of exposure to larger, smaller and particles when a person is close to a infected person. airborne consist of smaller droplets even for greater distance

Answer:

False

Explanation:

Epidermal growth factor hormone does NOT stimulate the migration of basal cells, but rather, the migration of basal cells triggers the release of the hormone.

Answer: B

Explanation:

Answer:

Explanation:

Protein

Gene horizontal transfer All of these evolutionary strategies played a significant role in the evolution process of eukaryotes by engulfing other cells.

Cells are the essential building blocks of all living things. There are many thousands of cells in a human body. They provide the body structure, absorb nutrients from meals, turn those calories into electricity, and perform certain tasks.

Scientists used to think that nonliving substances spontaneously gave rise to life. It is now recognized that life originates from prior life and that cells originate from preexisting cells as a result of experiments and the discovery of the microscope. The smallest cell is Mycoplasma gallicepticum. The size of a mycoplasma is 0.2–0.3 m. The tiniest living things on earth are mycoplasma.

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The multiregional continuity hypothesis suggests that the transition to modernity occurred regionally and without involving complete replacement.

According to this hypothesis, archaic Homo sapiens migrated out of Africa and gradually replaced Neanderthals in Europe. Modern Homo sapiens, on the other hand, first evolved in Africa and then spread to Asia and Europe, eventually replacing archaic Homo sapiens populations. It is proposed that Homo erectus populations also migrated out of Africa, potentially replacing archaic Homo sapiens in certain regions.

The multiregional continuity hypothesis proposes a more complex and interconnected pattern of human evolution compared to the Out of Africa theory, which suggests a single origin of modern humans in Africa with subsequent migrations and replacements. According to the multiregional continuity hypothesis, different hominin populations across regions interbred and shared genetic traits, leading to a gradual transition to modern humans. This hypothesis emphasizes the ongoing genetic and morphological continuity between different populations over time.

It is important to note that the multiregional continuity hypothesis is a subject of ongoing debate and research within the field of human evolution. The availability of new archaeological and genetic evidence has led to revisions and alternative interpretations of human evolutionary history.

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Answer:

C - heated water from nuclear power plants are deposited into the aquatic ecosystem.

To keep equilibrium. Since lizards have cold blood, the environment affects how hot or cold they are.

Lizards and other creatures with chilly blood soak up the light to stay warm. A recent study reveals that they also do it for the vitamin D. It has long been believed that lizards exclusively bask in order to regulate their body temperatures.

Animals, particularly birds, reptiles, and insects, use the thermoregulatory or comfort behavior of sunning or basking, sometimes also referred to as sunbathing, to help raise their body temperature, lower the energy required for temperature maintenance, or for comfort.

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Answer:

Although it is true that a car has its parts in an organized system and it uses fuel of some sort to run, a car doesn't have the characteristics of what classifies something as a living thing.

1. A car is not made up of cells. Living things are made of cells.

2. A car doesn't respond to its environment. Living things respond to their environment.

3.  A car cannot grow and develop.  Living things grow and develop.

4. A car cannot reproduce. Living things reproduce.

Lymphatic capillaries are generally more permeable than blood capillaries, and there are several reasons for this difference in permeability:

The increased permeability of lymphatic capillaries allows them to efficiently collect and transport various substances, including excess fluid, proteins, fats, and immune cells, from the interstitial spaces in tissues. This fluid, known as lymph, is then carried through the lymphatic vessels and eventually returned to the bloodstream.

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The amount of DNA that needs to be extracted for a given analysis depends on the type of analysis being performed and the quality of the DNA sample.

In general, the more DNA that is extracted, the better the data will be. However, there is a point of diminishing returns, where extracting more DNA than is necessary does not significantly improve the data.

For example, for PCR-based techniques, such as quantitative PCR (qPCR) or restriction fragment length polymorphism (RFLP) analysis, as little as a few nanograms (ng) of DNA may be sufficient.

For sequencing-based techniques, such as whole genome sequencing (WGS) or targeted sequencing, at least micrograms (µg) of DNA are needed. However, the amount required can vary depending on the type of sequencing technology used and the coverage desired.

For most applications, it is recommended to extract at least 1-5 micrograms of DNA. This amount would ensure that there is enough DNA for downstream applications such as PCR-based techniques and sequencing-based techniques, and it would also provide a good buffer in case of DNA degradation or loss during the extraction process.

Complete question:

How much DNA must be extracted to provide sufficient data for a specific analysis or study?

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Answer:

C. Provides movement of the body

Answer:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion

Explanation:

Transport proteins generally perform two types of transport: “facilitated diffusion,” where a transport protein simply creates an opening for a substance to diffuse down its concentration gradient; and “active transport,” where the cell expends energy in order to move a substance against its concentration gradient

An ecologist calculated that there were 1,600 star-nosed moles (Condylura cristata) per square mile in one woodlot and 800 in another. The   comparisons that  ecologist made are density of star-nosed moles

The ecologist was comparing the density of star-nosed moles (Condylura cristata) between two different woodlots, specifically the number of moles per square mile.

The ecologist estimated that there were 800 star-nosed moles per square mile in one woodlot and 1,600 per square mile in another woodlot.

The term "density" refers to the number of individuals of a particular species per unit area or volume of habitat, and it is an important metric for understanding population dynamics and ecology.

By comparing the densities of star-nosed moles between the two woodlots, the ecologist may be able to identify factors that contribute to differences in population size, such as variations in food availability, predator abundance, or habitat quality.

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All of the organisms go to the bottom of the lake, as surface tension causes the lake to only freeze partly because of the pressure.

Beneath the frozen top layer, the water stays in its fluid form and does not freeze.

Furthermore, oxygen is entrapped under the layer of ice.

As a mark, organisms discover it possible to live comfortably in the frozen lakes.

Thus, All of the organisms go to the bottom of the lake.

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Regulate DNA accessibility and chromatin shape, thereby regulating patterns of gene expression.

Ultraviolet is a shape of electromagnetic radiation with wavelength from 10 nm to 400 nm, shorter than that of seen mild, but longer than X-rays. UV radiation is present in sunlight and constitutes approximately 10% of the overall electromagnetic radiation output from the sun.

Ultraviolet UV mild has shorter wavelengths than seen light. despite the fact that UV waves are invisible to the human eye, some bugs, including bumblebees, can see them. that is just like how a dog can pay attention the sound of a whistle simply out of doors the hearing range of people.

UV radiation is widely utilized in commercial tactics and in clinical and dental practices for an expansion of purposes, which includes killing micro organisms, growing fluorescent results, curing inks and resins, phototherapy and suntanning. special UV wavelengths and intensities are used for one-of-a-kind purposes.

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The main biomolecules present in the meal are carbohydrates but there are also proteins and lipids.

First of all starch will be hydrolysed in the mouth.Saliva contains an enzyme called amylase that turns starch into dextroses and maltose.

In the stomach the HCl will activate the pepsinogen and it will become pepsin that will hydrolise proteins to albumoses and peptones.

Also in the stomach an enzyme called gastric lypase is present which turns lipids into glycerol and fatty acids.

In the duodenum:The pancreas releases pancreatic amylase which turns starch into maltose. It releases pancreatic lypase which turns lipids into fatty acids and glycerol. It releases proteolytic enzymes(trypsin, chemotrypsin, carboxypetidase, elastase, collagenase) which turn proteins, albumoses and peptones into oligopeptides(3-4 aminoacids) and aminoacids.

In the rest of the small intestines enzymes secreted by the cells that line the small intestine work. Oligopeptidases turn oligopeptides into aminoacids. Maltase turns maltose into 2 molecules of glucose. Sucrase turns sacrose into 1 molecule of glucose and one of fructose. Lactase turns lactose into 1 molecule of glucose and 1 of galactose. The intestinal lypase turns lipids into glycerol and fatty acids.

Mouth

1.Starch----(salivary amylase)--->maltose+dextrose

Stomach

2.lipids---(gastric lypase)---->glycerol+fatty acids

3.proteins---(pepsin)--->albumoses and peptones

Duodenum

4.Starch---(pancreatic amylase)--->maltose

5.lipids--(pancreatic lypase)--->glycerol+fatty acids

6.proteins+albumoses+peptones---(trypsin,chemotrypsin,carboxypeptidase,elastase collagenase)--->oligopeptides+AA

Small intestine(Jejunum and ileon)

7.maltose---(maltase)--->2glucose

8.sacrose---(sacrase)--->glucose+fructose

9.lactose---(lactase)--->glucose+galactose

10.lipids---(intestinal lypase)--->glycerol+fatty acids

11.oligopeptides---(oligopeptidase)--->amino acids

Because they contain different ddNTPs. (ddGTP, ddCTP, ddTTP, ddATP to identify the bases that's why these four reaction tubes differ from each other.

the use of dNTP throughout the extension phase presents single bases ready to go into DNA and double it, like constructing blocks. since the reason of the approach is to synthesize new DNA, dNTP presents nucleotides to the “unzipped” strand using the template of a unmarried side.

Deoxynucleoside triphosphates (dNTPs), the substrates for DNA polymerizing enzymes, have long been recognized to be restrained in their concentration in cells due to the fact the enzyme that synthesizes deoxynucleotides from ribonucleotides, ribonucleotide reductase (RNR), is synthesized and enzymatically activated as cells

All dwelling organisms are notion to make use of deoxyribonucleoside triphosphates (dNTPs) as substrates for genome replication by means of DNA polymerases, which are liable for each replication and repair of mobile DNA.

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How do these four reaction tubes differ from each other?

a. They contain different dNTPs.

b. They contain different primers.

c. They contain different polymerases.

d. They are all the same but four are prepared because a lot of reaction is required.

e. They contain different ddNTPs.

The basic structure of a proteoglycan consists of a core protein and a glycosaminoglycan (GAG) chain.

The core protein provides the backbone for the proteoglycan molecule, while the GAG chain extends out from the protein core and gives the molecule its unique properties. GAGs are long, linear chains of repeating disaccharide units that are highly negatively charged, due to the presence of sulfate and carboxyl groups. This negative charge allows proteoglycans to interact with positively charged molecules, such as growth factors and cytokines, and play important roles in cellular signaling, extracellular matrix organization, and tissue development and repair.

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Answer:

no

Explanation:

Answer:

Image result for What would be different about earth today if Pangea never broke

The rain which comes from the ocean wouldn't be able to travel far enough inland — leaving parts of Pangea practically uninhabitable by humans and other species. And weather up north would be different too, with Russia being much warmer than it is today.

Explanation:

Answer:

The world would just be a large clump of land with little to no space between country's

Explanation:

This could result in many situation, like more fighting over land, less need for boats, and many other situations

Answer:The ocean plays a critical role in carbon storage, as it holds about 50 times more carbon than the atmosphere. Two-way carbon exchange can occur quickly between the ocean's surface waters and the atmosphere, but carbon may be stored for centuries at the deepest ocean depths.

Explanation:

In the image, we can see antibodies with antigens attached.

The antibodies help us to fight pathogens by binding and recognizing pathogens (C and D), the binding can tag the pathogen to let know other cells of the immune system or it can directly deactivate the pathogen.