Explain the changes in the whales skeletons during the transition in habitat according to the theory of natural selection. Will mark brainliest.

Endocytosis and Receptors are particular to the cells are the right selections .The immune system's white blood cells have specific functions.

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The Pelvic Gibson incisional approach is used for access to the lower ureter and may be used for donor kidney implantation.

Curvilinear incision made in descending quadrant of the gut comprehended as the "pelvic Gibson incision", affords somewhat atraumatic and suitable pass to the iliac fossa and bladder and thus is principally utilized for renal transplantation.

This incision supplies a forthright field for the lower ureter and bladder and is perfect if excision of the lower ureter and bladder cuff is needed. The Modified Gibson incision is a transverse incision above the pubis, often employed in gynecological and urological surgeries. This incision may be performed on either side of the midline, but often on the left.

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Answer:

A valve is a device that opens and closes to control the flow of liquids or gases.

Explanation:

Answer:

Metaphase

Explanation:

An anaerobic treatment cycle entails wastewater entering a bioreactor plug socket containing sludge, a thick semi-solid substance rich in anaerobic bacteria and other microorganisms that break down the organic contaminants in the wastewater.

Anaerobic digestion is a process in which bacteria break down organic matter in the absence of oxygen, such as animal manure, wastewater biosolids, and food waste.

Anaerobic digestion is the most commonly used sludge treatment method. In this process, a significant portion of the organic matter (cells) is broken down into carbon dioxide (CO2) and methane (CH4) in the absence of oxygen.

Thus, this is the way to treat wastewater anaerobically.

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Answer:

v = 5 m/s

Explanation:

Given that,

The distance covered by a runner, d = 400 m

Time, t = 80 sec

We need to find the runner's average speed. It is equal to total distance covered divided by time taken. It can be given by:

\(v=\dfrac{d}{t}\\\\v=\dfrac{400\ m}{80\ s}\\\\v=5\ m/s\)

So, the runner’s average speed is 5 m/s.

The common cold is caused by a virus, not bacteria. Therefore, antibiotics, which are designed to kill bacteria, is unhelpful for treating the common cold.

Explanation:

Because antibiotics only fight bacteria, and not viruses, and used for treating the common cold

hope this helps you

have a nice day

Answer:D

Explanation:

Answer:

d is the correct answer

Explanation:

The human body is a complex organism and understanding its structure and functions requires a thorough knowledge of directional terminology, body planes, and body movements. In this image, we can see a person performing a side plank exercise which is an effective core-strengthening exercise.

We can also use directional terminology to describe the person's movements. The person is performing a lateral flexion to the side while maintaining an isometric contraction of the core muscles. The movement involves the transverse axis of the body, which runs from front to back, perpendicular to the frontal plane.

In conclusion, this picture shows a person performing a side plank exercise, positioned on the frontal plane and performing a lateral flexion movement. The person is using their core muscles to maintain the position while one arm is supporting their weight and the other arm is extended towards the ceiling.

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The statement that erosion and subsidence occurs very slowly is generally correct. Geological processes such as deposition of sediments, their compaction, and subsequent compaction into rocks take considerable time, often spanning millions of years.

Observations of rock stratification pointing to different layers of stratification or sediments suggest that these layers were formed over a longer period of time. Each layer represents a specific sedimentation event that occurred over a specific time period.

The notion that the Earth is older than previously thought has been supported by extensive geological evidence and the field of geochronology. Geochronology determines age by identifying the age of rocks and minerals. Methods such as radiometric dating provide reliable estimates of rock ages and help establish geological timescales.

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The correct question is :

Erosion and sedimentation occur very slowly. At their current rate, the observed stratification in rocks must have taken millions of years. Question raised: is Earth older than we think?

Answer:

But around 8,000 years ago in what's now Turkey — just when humans were starting to milk newly domesticated cows, goats and sheep — mutations near the gene that produces the lactase enzyme started becoming more frequent. And around the same time, adult lactose

Explanation:

people started to build lactose tolerance

Substrate concentration raises Vo and continues to rise until it reaches V max, according to the graph of (S) versus Vo. When all enzymes are used up by substrates, Vmax is reached. When Vo equals 50% of V max, the substrate concentration is known as K m.

Vmax (maximum velocity) and Km (substrate concentration giving reaction rate of 1/2 Vmax) are indicated on the enzyme kinetics graph showing the rate of reaction as a function of substrate concentration.

Question B:

Proteosome, small molecule, or both .Ubiquitin is a tiny protein molecule that binds to a target protein and aids the proteosome in breaking down intracellular molecules.

By controlling protein degradation (via the proteasome and lysosome), coordinating protein localization, activating and inactivating proteins, and modifying protein-protein interactions, ubiquitination has an impact on cellular processes.

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Answer:

yes now mcq partner sso explain is nit nessesary

The chromosome format sig8 refers to a representation of genetic information using a binary encoding scheme known as Sigma-8. It is commonly used in computational biology and genetics to represent and manipulate genetic sequences. The Sigma-8 encoding scheme assigns 8 bits to each nucleotide base (A, T, G, or C) in a chromosome.

1. Chromosome Format: Chromosomes are structures found in the nucleus of cells that contain genetic information. They consist of DNA molecules tightly coiled around proteins. The format of a chromosome refers to the representation of its genetic sequence.

2. Sigma-8 Encoding: Sigma-8 is a binary encoding scheme used to represent genetic sequences. In this scheme, each nucleotide base (A, T, G, or C) is assigned a unique 8-bit binary code.

3. Binary Representation: In the Sigma-8 encoding, each nucleotide base is represented by a sequence of 8 binary digits (bits). For example, A might be represented as 00000001, T as 00000010, G as 00000011, and C as 00000100.

4. Chromosome Encoding: To represent a chromosome using the Sigma-8 format, the genetic sequence is divided into individual nucleotides, and each nucleotide is encoded using its corresponding 8-bit binary representation.

5. Manipulating Genetic Information: Once a chromosome is encoded in the Sigma-8 format, it can be manipulated using various computational techniques. This encoding allows researchers to perform operations such as mutation, recombination, and selection on the genetic sequences.

In summary, the chromosome format sig8 refers to the use of the Sigma-8 encoding scheme to represent genetic information. This binary encoding assigns 8 bits to each nucleotide base, allowing for efficient manipulation and analysis of genetic sequences in computational biology and genetics.

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The major component of breast milk is protein, while the second largest component is lipids. Option(e).

Breast milk is a complex fluid that provides essential nutrients and immune-protective factors for infants. Its composition can vary depending on various factors such as the mother's diet and stage of lactation.

However, in general, the major component of breast milk is protein, specifically whey and casein proteins. Proteins play a crucial role in the growth and development of the infant, providing amino acids for tissue synthesis and immune function.

The second largest component of breast milk is lipids, including fatty acids, cholesterol, and triglycerides. Lipids are a vital energy source for infants and are necessary for brain development and the absorption of fat-soluble vitamins.

Water is also a significant component of breast milk, aiding in hydration and overall fluid balance in the infant's body.

While breast milk also contains carbohydrates, such as lactose, they typically make up a smaller proportion compared to proteins and lipids.

In summary, breast milk is primarily composed of protein, followed by lipids, making them the major components essential for the infant's growth, development, and overall health.

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Answer:

( Going from left to right )

- Prophase -

- Telophase & Cytokinesis -

- Anaphase -

- Metaphase -

Explanation:

Prophase - Chromatin condenses making the chromosomes visible.

the nuclear envelope breaks down - makes it look like it has butterflies

Remember: The "PRO-phase" gets -butterflies- when it's about to start a race, but he lost so he starts to have a -break down-.

Metaphase - The chromosomes become aligned at the "center" or equatorial plane.

Remember: metaphase in Greek means "between" and "stage" and during this stage, the chromosomes stop moving back and forth, and also there are kept in the middle of the cell !!

Anaphase - sister chromatids separate and the resultant daughter chromosomes move toward the poles.

Remember: Sister Anna has a twin they both move out of their home and separate. One moves to the north pole and the other lives in the south pole.

Telophase - Daughter chromosomes reach the poles and form two new nuclei.

Remember: Anna and her twin settle in their new homes and both of the sisters throughout the year have two children or "nuclei" each, and also call each other on the "telephone" almost every day. :)

hope this helps <3

Answer:

A sound wave is a vibration.

Explanation:

Answer:

d

Explanation:

Active transport​ is used to move a molecule from a region of low concentration to a region of high concentration.

Active transport is a type of cellular transport in which substances (e.g. ions, glucose, and amino acids) are transported across a biological membrane towards the region that already contains a lot of such substances.

Because of this, active transport uses chemical energy (e.g. ATP) to move such substances against their concentration gradient.

In cellular transport known as active transport, molecules move against a gradient of concentration. This indicates that the direction is moving from a lower to a higher concentration area.

Therefore, Active transport​ is used to move a molecule from a region of low concentration to a region of high concentration.

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By having its products available in various places such as local grocery stores, a home organization retail chain, elementary school stores, and online platforms.

The primary purpose of distribution channels is to ensure that products or services reach the target customers effectively and efficiently. One of the key objectives of distribution channels is maximizing market coverage, which refers to making the products available in as many locations as possible to reach a broader customer base.

In the case of Blue Avocado, they have strategically chosen multiple distribution channels to sell their reusable lunch and food bags. By selling their products through three local grocery stores, a home organization retail chain, elementary school stores, and online platforms, they are leveraging various channels to maximize market coverage. This approach allows Blue Avocado to reach different customer segments through different retail outlets and cater to the diverse preferences and convenience of their target customers.

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Answer: A natural disruption occurs when ice blocks a lake during the winter, resulting in a decreased food source for fish.

Explanation:

Events or processes known as "natural disturbances" take place in the natural world without human interference and have a big influence on ecosystems. In this instance, the lake's capacity to support fish is constrained by the creation of ice throughout the winter. As a barrier, the ice keeps sunlight from penetrating the water and reduces photosynthesis, and this in turn has an impact on the development of algae and other main producers. As a result, the lake's food chain is thrown off, which has an effect on the number of fish and their capacity to locate enough food.

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Answer:

This question is incomplete as no structure is portrayed, however, the question can be answered based on general understanding. The answer is

C. sunlight, carbon dioxide, water

Explanation:

The structure being referred to in this question is CHLOROPLAST, which is an organelle in plant cells saddled with the responsibility of making food (sugar) via the process of photosynthesis. In order for the photosynthetic process to occur, three major components or raw materials are needed.

The three items that is relied upon by chloroplast in order to perform its photosynthetic function are sunlight, carbon dioxide (CO2), and water (H2O). The CO2 enters the plant from the atmosphere/air while the H2O is absorbed by the roots of plants. The light is absorbed by certain pigments in the chloroplast called CHLOROPHYLL.

Answer:

meiotic cell division replicates a cells dna once and then divides twice

Explanation:

Answer:

Explanation:

To send signals to control the body

Nerve cells: Transport signals around body

Tissue: Made of many cells

The main function of nervous tissue is C. To send signals to control the body. Nervous tissue is made up of specialized cells called neurons that are capable of transmitting electrical and chemical signals throughout the body. These signals allow the nervous system to control and coordinate various body functions, including movement, sensation, and thought processes. In addition to neurons, nervous tissue also contains support cells called glial cells that help to protect and nourish the neurons. Overall, nervous tissue plays a critical role in the functioning of the nervous system and the control of bodily functions.

The option that can lead to cancer is a disruption in the cell cycle (option A).

Cancer is a disease in which the cells of a tissue undergo uncontrolled (and often rapid) proliferation.

Cell cycle is the life cycle of eukaryotic cells from a quiescent beginning, growth, duplication of DNA followed by mitosis and division. The period of time in the cell cycle when nothing is happening is known as the G0 phase i.e. inactivity.

Cancer is a genetic disorder. It happens when genes that manage cell activity mutate and create abnormal cells that divide and multiply, eventually disrupting how the body works.

Therefore, disruption or alteration in the normal procedure of the cell cycle can lead to cancer.

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Answer:

To get attached to the host or any substance during its infection or idle condition (non-living state).

Answer:

pretty sure it would be B

Explanation:

Thats the only thing that could possibly be used for moving around. hope this helps you

The one way secondary succession differs from primary succession: Secondary succession is typically quicker than primary succession. The correct option is (A).

Secondary succession refers to the sequence of changes that occur in an ecosystem that has been disturbed or disrupted, but still retains its soil.

In this process, the existing community is destroyed or removed by a disturbance such as a forest fire, flood or human activities such as logging or farming.

However, the soil and seeds of plants remain, so the recovery process is quicker than primary succession.

On the other hand, primary succession occurs in an area where no life existed before, such as after a volcanic eruption or glacial retreat. The process of primary succession involves the creation of new soil, which takes a longer time to form and support plant growth.

The first organisms to colonize such areas are usually lichens and mosses, which gradually pave the way for more complex plants, leading to a longer and slower process.

In summary, secondary succession occurs in areas where an ecosystem has been disturbed, while primary succession occurs in areas where no life existed before, making it a slower and longer process.

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Answer:

A

Explanation:

B is slowing down

C is maintaining a constant speed so it is not increasing or decreasing speed this no acceleration