What do lungs, a plant leaf, and our digestive system have in common?

Answer:

Rotavirus

Explanation:

I assume your answer choices are:

Giardia organisms

Shigella organisms

Rotavirus

Salmonella organisms

A viral pathogen is a pathogen caused by a virus.

Therefore It is not Giardia or Salmonella because both are bacterial pathogens, not viral.

And it is not Shigella because Shigella is uncommon.

Answer:

1. Recycle

2. Plant trees

3. Save water and electricity

Explanation:

Hope this helps!

Answer:

Three ways you can help the environment while at school are put paper and plastic in recycling bin, turn off lights in rooms not being occupied or use half the lights in a room instead of all on at once, and turning off sinks that may be left on in restroom.

Explanation:

True: Transmembrane proteins move ions or molecules across a membrane against their concentration gradient.

Transmembrane proteins function as gatekeepers by allowing or preventing the entry or exit of the ions or molecules across the cell membrane. The transmembrane proteins can function on both sides of the bilayer membrane and transport solutes across it. The transport of ions or molecules across a membrane against the concentration gradient of the transmembrane proteins is done by active transport.

The transfer of proteins by transmembrane proteins or transporters is performed by two mechanisms: facilitated diffusion or active transport. Facilitated diffusion allows molecules to pass through the membrane without the use of greater energy by simple diffusion. Whereas, active transport uses the energy in the form of ATP and forces the molecules or solutes to pass through the membrane against the concentration gradient.

We can now say that transmembrane proteins move ions or molecules across a membrane against their concentration gradient. This transport is generally aided by a mechanism called active transport.

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Explanation:

When satellites are launched into orbit, they are able to orbit around planets due to the gravitational force of attraction between the satellite and planet (usually there is no apparent change in motion of the planet because of its relative huge size than the satellite)

This gravitational force is in a different direction than the satellite's motion, therefore it keeps it orbiting around planets and does not continue moving in a straight line.

Plants provide shelter and shade from the sun which support the emergence of land animals. Therefore, option (B) is correct.

The area of the planet that is home to all forms of life, including animals, plants, and microorganisms, is referred to as the biosphere.

Because they are the main creators of all other organisms, plants have a significant place in the biosphere. This indicates that these organisms are the ones responsible for the production of organic compounds, which are then taken in by other creatures. They do this via a process known as photosynthesis, which utilises the light energy provided by the sun.

They provide shelter to many birds and animals like a home. Also, they provide food for birds, animals and human beings in the form of leaves, vegetables, fruits and roots

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Answer:

His work was not accepted at the time because during that time DNA had not yet been discovered.

Answer:

1. fossil fuel

2.natural gas

RNA polymerases are the enzymes involved in transcription. RRNA makes up the majority of a RNA in cells; mRNA makes up about 3-5% of a cell's total RNA.

To create a fresh, complementary RNA molecule, RNA polymerase employs a single Stranded dna (the template to make) as a template. Termination is the procedure that puts a stop to transcribing. The RNA sequences that indicate that the translation is finished rely on termination. Where does the transcription of a gene to mRNA by RNA polymerase start? It begins following a certain nucleotide pattern known as a promoter. What role does RNA polymerase play? The expanding strand of RNA receives nucleotides as the double helix is unwound. RRNA genes are transcribed by RNA polymerase I, mRNA, miRNA, snRNA, or snoRNA genes are transcribed by RNA polymerase II, while tRNA & 5S rRNA genes are transcribed by RNA polymerase III. Answer and justification Comparisons between DNA and RNA A Template dna strand is needed for polymerases.

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Answer:

A) to supply appropriate amino acids for translation

Explanation:

tRNA act as a soluble RNA or transfer RNA which brings amino acids.

Answer:

We have not explored everything

Explanation:

We haven't explored about 95% of the ocean, and haven't been able to explore more land due to different tribes that may alert danger or we've never seen before

Answer:

D/ last one

Explanation:

please give brainlest need 2 more

It mixes the chromosomes of the two parents. Therefore, option (A) is correct.

Sexual reproduction involves the fusion of genetic material from two parent organisms, typically through the combination of their gametes (sperm and egg). Each parent contributes a unique set of chromosomes to the offspring, resulting in a mixing or recombination of genetic material.

This process introduces new combinations of alleles (variations of genes) that were present in the parents, leading to increased genetic diversity in the offspring. By shuffling and recombining genetic information, sexual reproduction allows for the creation of novel gene combinations, increasing the potential for variation within a species.

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Answer:

Since the selectively permeable character allows required components to pass in and out of the cell.

Answer:

TANONGIN MO SI SLING

MARIE'S

Explanation:

BECAUSE IT GIVES ANSWER

Answer:

identical daughter cells

Explanation:

Mitosis occurs in somatic cells. When a liver cell divides to create new liver cells it will create identical daughter cells.

Approximately 55% of obese children remain overweight as adults.

Correct option is B.

This means that more than half of all children who are obese in their youth, will continue to be overweight into adulthood. This statistic is concerning for health professionals and families, as obesity is a major risk factor for many serious diseases, such as diabetes, heart disease, and some forms of cancer.

It is important to start taking steps to address obesity early on, so that children can be taught healthy habits and behaviors that will help them maintain a healthy weight throughout their lifetime. This includes maintaining a balanced diet, incorporating physical activity into daily life, and learning the importance of sleep.

Correct option is B.

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Answer:

what are the answers? if I knew the answers I could tell ya

Answer:adaptions

Explanation:

Based on the model of cellular transport, the conversion of ATP to ADP provides a mechanism for sodium ions to move against their gradient. This process is essential for maintaining proper ion balance within cells. Hence option B is the correct answer.

Cellular transport consists of various mechanisms that enable the movement of molecules and ions across cell membranes. One such mechanism is active transport, which uses energy in the form of ATP (adenosine triphosphate) to move ions against their concentration gradient. This means ions are transported from an area of lower concentration to an area of higher concentration, which is an energy-requiring process. The conversion of ATP to ADP (adenosine diphosphate) releases energy that is used for this purpose.

In the context of the sodium-potassium pump, which is a primary example of active transport, ATP is utilized to move sodium ions (Na+) out of the cell and potassium ions (K+) into the cell. This process maintains the proper balance of ions within cells and ensures that cells can maintain their electrical charge and function properly. While potassium ions also play a role in this process, the conversion of ATP to ADP specifically provides the energy required for the movement of sodium ions against their concentration gradient, as stated in option B.

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Although clostridium perfringens endospores are ubiquitous in dust and dirt, contamination of wounds with this organism rarely leads to gangrene because the organism grows only in conditions. Clostridium perfringens endospores are indeed ubiquitous in dust and dirt, but they only grow and cause gangrene under specific anaerobic (low or no oxygen) conditions. In most wounds, there is sufficient oxygen supply from blood circulation, which prevents the growth of Clostridium perfringens and the development of gangrene.

What is Gangrene?

Gangrene is a serious medical condition that occurs when the blood flow to a specific area of the body is interrupted, causing tissue death. Clostridium perfringens is a type of bacteria that can cause gangrene, but it is not the only cause. When diagnosing gangrene, doctors will look for signs of tissue death, such as skin discoloration, a foul odor, and a lack of sensation in the affected area.

Treatment for Gangrene:

Treatment for gangrene typically involves surgical removal of the dead tissue, antibiotics, and wound care. While clostridium perfringens endospores are commonly found in dust and dirt, contamination of wounds with this organism rarely leads to gangrene because the bacteria require certain conditions to grow and multiply, such as low oxygen levels and damaged tissue. In summary, although Clostridium perfringens endospores can contaminate wounds, gangrene is rare because the organism requires anaerobic conditions to grow. Proper wound care, treatment, and diagnosis can further reduce the risk of gangrene.

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Consider the skeleton materials your teacher has supplied, or the image of a human skull in the lab appendix, and mark (or name) the following important cranial characteristics:

External auditory (acoustic) meatus: The aperture or canal in the temporal bone of the skull that connects to the middle ear is referred to as the external auditory (acoustic) meatus. It serves as the entrance for sound waves to the ear.

Mental protuberance: On the front of the mandible (lower jaw), there is a bony elevation known as the mental protuberance. It stands out as a chin feature.

Mastoid process: On the temporal bone of the skull, the mastoid process is a noticeable bony protrusion found behind the ear. It acts as a point of attachment for several neck muscles.

Alveolar process; The bony ridge in the upper (maxilla) and lower (mandible) jaws that houses the tooth sockets (alveoli) is referred to as the "alveolar process."

Foramen magnum: At the base of the skull, there is a sizable aperture called the foramen magnum. The spinal cord may pass through and join with the brain thanks to it.

Occipital condyle: On the base of the occipital bone of the skull are rounded protuberances known as occipital condyles. The head can nod thanks to the joint motion with the first vertebra (atlas) of the spinal column.

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Answer:

It has allowed them to share their information amongst the other biologists and they can study more and discover more and more facts due to the increasing level in/of technology.

Explanation:

Answer:

There are many different kinds of microscopes. A magnifying glass is a simple microscope. The term microscope commonly refers to a compound microscope. These Microsoft are called compound because they are made of several glass lenses in a tube. The total magnifying power of a microscope is the product of the magnifying power of the lens is in the ips and the magnifying power of the lens in the objective.. Most compound microscopes can magnify a specimen up to 400 times as real size. Microscope allow you to see fine details. Space is between objects that are closer together than 0.1 mm can be seen. The ability of a microscope to separate small distances is called resolving power. If the resolving power is not good the image will be blurred. When you look into the eye piece of microscope the circular area you see is the field of view when a ruler is placed across the opening of the stage the field of view can be measured in millimeters. Sharpening an image under high magnification used the Find adjustment knobs. The part of the microscope that holds the Microscope slide is called the stage.

Answer: In DNA, each base occurs in a complementary pair with another base: adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G). Since the percentage of T in the sample is 22%, we know that the percentage of A, which pairs with T, is also 22%.

The total percentage of the four bases in DNA must add up to 100%, so we can use this information to find the percentages of the other two bases, C and G. Since A and T make up 44% of the sample, we subtract 44 from 100 to get the percentage of the remaining two bases:

100% - 44% = 56%

The remaining 56% of the sample must be divided evenly between C and G, since they always pair with each other. So we divide 56% by 2 to get the percentage of each base:

56% / 2 = 28%

Therefore, the percentages of the four bases in the DNA sample are:

Adenine (A): 22%

Thymine (T): 22%

Cytosine (C): 28%

Guanine (G): 28%

Explanation:

Answer:

V= Frequency X wavelength

Explanation:

A) wavelength would decrease with frequency

B) wavelength would increase

Meiosis is a type of cell division that is responsible for producing gametes or sex cells in sexually reproducing organisms. The process involves two consecutive rounds of cell division known as meiosis I and meiosis II.

Meiosis I vs Meiosis II:

Meiosis I: It is the first stage of meiosis and is responsible for separating homologous chromosomes. It involves four phases - prophase I, metaphase I, anaphase I, and telophase I. Meiosis I results in two daughter cells, each containing half the number of chromosomes as the parent cell.

Meiosis II: It is the second stage of meiosis and is responsible for separating sister chromatids. It involves four phases - prophase II, metaphase II, anaphase II, and telophase II. Meiosis II results in four daughter cells, each containing half the number of chromosomes as the parent cell.

Replication of DNA:

DNA replication occurs during the S-phase or synthesis phase of the cell cycle, which is part of the interphase. During this phase, the cell prepares for cell division by duplicating its genetic material. The process of DNA replication involves the separation of the two strands of the DNA double helix and the synthesis of new complementary strands.

Factors contributing to allele variety:

There are several factors that contribute to the variety of alleles in each new generation, including:

1. Genetic recombination during meiosis: The process of meiosis involves crossing over and independent assortment of homologous chromosomes, resulting in the exchange of genetic material between homologous chromosomes and the shuffling of genes.

2. Mutation: Mutations are random changes in the DNA sequence that can create new alleles.

3. Random fertilization: The fusion of gametes during fertilization is a random process, resulting in the combination of different alleles from each parent.

4. Gene flow: Gene flow refers to the movement of alleles from one population to another, resulting in the introduction of new alleles into a population.

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The return phase to the starting position (lowering back to the floor) of the abdominal curl-up is controlled by a(n) eccentric contraction of the rectus abdominis, external oblique abdominal, and internal oblique abdominal

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Answer:

glycogen substances can be classified as a carbonhydrate