Hail starts as liquid water and then is swept up and down in the clouds, building
many solid layers before it falls to Earth.
True
False

Answer:

Daughter cells resulting from mitosis are diploid, while those resulting from meiosis are haploid. Daughter cells that are the product of mitosis are genetically identical. Daughter cells produced after meiosis are genetically diverse. Tetrad formation occurs in meiosis but not mitosis.

Explanation:

Brain-List?

Answer: Atomic nuclei combine to form a larger nucleus.

When The student touches a piece of metal to a hot object, causing the metal to heat up. The thermal energy transfer process the student demonstrated is conduction.

There are basically three methods of heat transfer:

Heat transfer by conduction requires real movement of the medium's molecules.

When a student touches a hot object with a piece of metal, molecules of the hot object move to the piece of metal. This type of heat transfer is called conduction.

Therefore, we can conclude that the thermal energy transfer process demonstrated by the student is conduction.

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Answer: The answer would be 25% because their are 4 offspring and 50%(2/5) of the offspring are carriers while 25%(1/4) has the disease and the other 25%(1/4) doesn’t.

Answer:

Severage water is most desasterous thing of urbun areas.

noise pollution also damage species

Explanation:

severage water contaminates rivers,canals and other water reserviours that can be harmfull for fish comunity moreover animal may drink water from that water bodies that causes problems in them.

contaminated water from industries also effects water bodies.

noise pollution disturb mental life of man as well as animals .

Eukaryotic cells pass through the G1/S cell cycle checkpoint to enter the DNA synthesis phase from the first gap phase (G1) (S). This checkpoint is crucially regulated by two cell cycle kinases, CDK4/6-cyclin D and CDK2-cyclin E, as well as the transcription complex containing Rb and E2F.

Cell cycle advancement depends on the production and activation of particular enzymes known as cyclin-dependent kinases (Cdks), which join forces with their regulatory subunits, the cyclins, to create holoenzymes. Cdk/cyclin complex activation is prevented by cyclin-dependent kinase inhibitors (p27Kip1 and p21Cip1).

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is the B is correct the letter (B)

Water will move to the side with more solutes (from right to left) therefore, option (B) is correct.

Diffusion is the movement of particles or molecules from an area of higher concentration to an area of lower concentration. It is a natural process that occurs in liquids, gases, and solids and is driven by the tendency of particles to move from areas of higher concentration to lower concentration in order to achieve equilibrium.

Diffusion is a vital process in living organisms, as it helps to distribute nutrients, oxygen, and other substances throughout the body. It also plays a role in the movement of gases in and out of cells and in the regulation of temperature and pH within cells.

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Answer:

B. Doctoral degree

Explanation:

Answer:

In the process of cellular respiration, it occurs in both animals and plants. Cellular respiration has the main job of making energy for the organism. The organelle involved in cellular respiration is the mitochondria. The 2 inputs needed for cellular respiration are oxygen and food. The 3 outputs from cellular respiration are water, carbon dioxide, & ATP).

Answer:

it changes from solid water to liquid water.

Explanation:

A hypotonic solution is one that has a lower concentration of solutes than the cell itself. When a plant cell is immersed in a hypotonic solution, it absorbs water by osmosis.

This causes the cell to swell and can lead to cell lysis, which is when the cell membrane ruptures due to the increased pressure from the water influx. Once the cell membrane ruptures, the cell's contents are released into the environment, leading to the death of the cell. The reason for this is that the cell does not have a built-in structure to counter the pressure of the incoming water.

As a result, the cell membrane is unable to withstand the pressure and ruptures. To maintain its internal environment, a plant cell must be placed in an isotonic solution, which has the same solute concentration as the cell itself. This will allow the cell to remain in a state of equilibrium, avoiding the risk of cell lysis.

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Answer:

The correct answer is A.Predation

Pea plants are a wonderful option because they grow quickly and are simple to take care of. They also have a number of distinguishing features that can change.

He selected peas because they are simple to grow, have been used in comparable trials, and can be sown every year. Stamen and stigma, the male and female reproductive organs of the pea flower, are both present. Before the flowers open, self-pollination takes place, resulting in the production of offspring from a single plant.

The garden pea's blooms seal securely during self-pollination to minimize inadvertent or unintentional fertilizations that would have decreased the precision of Mendel's data, which is one of the reasons it was a great choice of model system for studying heredity.

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The heart is made up of four different types of tissues. The four tissues that support the function of the heart are as follows:

1. Epithelial Tissue

2. Muscle Tissue

3. Nervous Tissue

4. Connective Tissue

The Epithelial Tissue forms the lining of the blood vessels and the inner surface of the heart valves. This lining helps to reduce friction and increase blood flow.

The Muscle Tissue is responsible for contracting and relaxing the heart muscle, which pumps blood through the body. The Nervous Tissue coordinates the beating of the heart and helps to regulate its function. The Connective Tissue provides structural support and helps to hold the heart in place.

The tissues in the heart work together to ensure that blood is pumped efficiently through the body. The epithelial tissue helps to keep the blood flowing smoothly through the heart, while the muscle tissue contracts and relaxes to pump the blood.

The nervous tissue ensures that the heart beats at the right rate and rhythm, while the connective tissue provides the structural support necessary to keep the heart in place. All four tissues work together to support the function of the heart.

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Answer:

a. states the presence of a phenomena

Explanation:

A scientific law states the presence of a phenomenon on the basis of repeated experiments or observations.

A scientific law sometimes not completely accepted by the community because of some ethical issues.

Hence, the correct answer is "a. states the presence of a phenomenon".

The Great Barrier Reef, also known as GBR, is the world's biggest coral reef and is home to numerous corals and marine life. Diuron is mostly to blame for the GBR water's ability to prevent algal formation.

The GBR contains the uncontrollable insecticide diuron. Diuron is extremely harmful, persistent, and has a long range. Diuron prevents the electron transport, which disrupts photosystem II. A significant membrane protein complex called PSII is essential for oxygenic photosynthesis. Therefore, any disruption of PSII will disrupt the synthesis of ATP and NADPH.

However, the following effects of paraquat and high temperatures on algae may occur:

In addition to being a herbicide, paraquat is hazardous to living things. Paraquat exposure caused serious cell damage and hindered cell development.

One of the main global challenges is extreme heat. All creatures, whether terrestrial or aquatic, are under risk as a result of global warming.

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The cell found in bone that functions to deposit the bony matrix, resulting in the growth of bone tissue, is the osteoblast. Osteoblasts are specialized bone-forming cells that play a crucial role in bone development, repair, and remodeling. The correct option is B.

When bone tissue needs to be formed or repaired, osteoblasts are activated. They synthesize and secrete the organic components of the bone matrix, primarily collagen fibers, along with other proteins and growth factors. These organic components form the initial framework upon which mineralization occurs. Osteoblasts also regulate the mineralization process by controlling the deposition of calcium and other minerals, transforming the organic matrix into a hardened, mineralized structure.

As osteoblasts lay down the bone matrix, they become surrounded by it and eventually become entrapped in their own secreted matrix. At this stage, they are termed osteocytes. Osteocytes are mature bone cells that reside in small spaces called lacunae within the mineralized bone matrix. They maintain and monitor the surrounding bone tissue, playing a role in maintaining bone health and responding to mechanical stress.

In contrast, osteoclasts are responsible for bone resorption, the process of breaking down and removing old or damaged bone tissue. Progenitor cells are undifferentiated cells that have the potential to differentiate into various cell types but are not specific to bone formation.

In summary, osteoblasts are the bone cells primarily responsible for depositing the bony matrix, promoting bone growth and remodeling. They synthesize and secrete the organic components of the bone matrix, initiating the mineralization process. Osteoblasts are essential for bone formation and play a vital role in maintaining skeletal integrity throughout life.

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Answer:

The presence of appropriate receptor dictates which cells will be receptive to a particular signal.

Explanation:

Some cells only respond to certain molecules because they have receptors to accept those molecules. Hence, due to this, only some molecules can be accepted by the cells.

Hormones are secreted by endocrine glands into the blood. The endocrine glands, such as the pituitary gland, secrete their hormones directly into the blood, but not all cells of the body can bind to the molecule and perform the cellular functions.

The cells' surface has receptors for molecules such as peptide molecules or polar hormones that can't directly enter the cell. Hence, they bind to the cell surface receptors and send signals with respect to those hormones.

A hydrophobic hormone can directly enter the cell as it can easily pass the plasma membrane. After entering the cell, it has some receptors in the nucleus or in the cytoplasm. This hormone can perform functions such as gene activation after binding with them.

Hence, after binding with receptors, they show their performance, and not every cell has the same receptors for a single molecule.

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Answer:

A Globally

Explanation:

i took the quiz and got it right.

Answer:

globally

Explanation:

They are spread out

Answer:

cells

Explanation:

cells makeup every single living thing on Earth including us humans they are the main structure of every human thing on earth will every living thing on Earth including us humans

Answer:C

Explanation:

Answer:

.........

Explanation:

They get possessive of their mates

They get restless

and in the case of humans they start getting cheesy and flirting

for other references...if you have Wattpad read the princes soulmate and the princes fiancee....to know more

The true statements concerning chromosomes are:

1. Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.

2. Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.

3. Homologous chromosomes contain the same genes and the same allele combination.

4. DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made, and each of these copies is called sister chromatids.

5. After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.

6. The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell's genes to the next generation of cells within the body.

1. Chromosomes are composed of DNA and histones, which are proteins that help in packaging the DNA. This packaging allows the long DNA molecule to fit tightly into the nucleus of a cell.

2. Genes are located on chromosomes. They are segments of DNA that contain instructions for building functional products like proteins. These genes serve as the units of inheritance, carrying genetic information from one generation to the next.

3. Homologous chromosomes refer to the two copies of each chromosome in a diploid cell. While they contain the same genes, they may have different alleles, or versions of those genes, which contribute to genetic variation.

4. DNA replication occurs before the cell cycle. During replication, each chromosome's DNA is copied, resulting in two identical sister chromatids attached at a central region called the centromere. This ensures that each daughter cell receives a complete set of chromosomes during cell division.

5. Sister chromatids are exact copies of each other because they are formed through DNA replication. They contain identical allele combinations since they originated from the same chromosome.

6. The purpose of sexual reproduction and the replication of chromosomes is to pass on a copy of the cell's genes to the next generation of cells within the body. This ensures the transmission of genetic information, allowing for the development of new individuals with unique combinations of genes.

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The statement that is true about the food web in the picture is that the deer is a primary consumer. That is option C.

A food web is defined as the representation of various food chains that are associated with each other at various levels.

The food web is different from a food chain because a primary consumer can have more that one secondary consumer.

From the given picture, the squirrel is a primary consumer which is being eaten by two secondary consumers such as the vulture and the tiger.

Also from the picture, the deer is a primary consumer because it feeds directly on primary producers such as the scrubs.

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The phylum that includes the most organisms. Phylum is a taxonomic rank used in a hierarchical classification system to classify species.

It comes in at number two in the hierarchy of living things, above class but below kingdom. The Greek word "phylon," which means "tribe," is where the word "phylum" comes from. Phylum is a taxonomic rank used to categorize living things. Below Kingdom and above Class, it holds the third-highest taxonomic rank. A phylum is broken down into smaller groups known as classes in the classification of living things. The phrase has biological sciences usage and is connected to the Grand Division rank in botany.

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increases vocabulary, insight

glimpse on other's problems

hope it helps...!!!

The size of the pSKII plasmid after it is digested by EcoRI and XhoI and the cldnk gene is inserted depends on the size of the cldnk gene. Generally, the size of the plasmid should be larger than the cldnk gene that is inserted.

he EcoRI and XhoI restriction enzymes will cut the pSKII plasmid at specific sites, creating sticky ends for the insertion of the cldnk gene. The size of the resulting plasmid will be the original size of the pSKII plasmid plus the size of the cldnk gene. Without knowing the size of the cldnk gene, it is not possible to determine the exact size of the resulting plasmid.

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