HELP ME PLSS ILL GIVE U 25 POINTS!

1.When the right ventricle contracts, the valve between the upper and lower chambers is________ (open OR closed), What does this prevent?

2. Blood pumped out of the right ventricle goes (to the body OR to the lungs)

3. In the lungs, the blood gives up its (oxygen OR carbon dioxide) and picks up (oxygen OR carbon dioxide)

4. The bloodbe used by the cells.
(can OR cannot)

10. Where must the blood go before it can be sent to the entire body? ______

Osmosis is the spontaneous net movement or diffusion of solvent molecules through a selectively permeable membrane from a high water potential to a low water potential to equalize solute concentrations. Thus option (B) is correct.

Osmosis transports a solvent through a semipermeable membrane between two solutions of different solute concentration. Osmosis transfers solvent from low-solute to high-solute solutions.

Osmosis occurs in both the small and large intestines, with the majority of osmosis occurring in the large intestine. As your body processes food, it moves from the esophagus to the stomach and then to the small intestine. While there, your body absorbs important nutrients via osmosis.

Osmosis helps in stabilizing the internal environment of the organism by balancing the levels of water and intracellular fluids. Also, the nutrients and minerals enter the cell by osmosis which is necessary for the survival of cells.

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Answer:

A

Explanation:

And keep in mind that binary fission is asexual which is the opposite of sexual reproduction

stapedectomy is the surgical treatment for otosclerosis implants a prosthetic device that allows sound waves to pass to the inner ear.

Otosclerosis is a condition in which a patient suffers hearing loss because a u-shaped bone named stape in the middle ear is damaged. The stape helps transmit sound waves from the middle ear to the inner ear.

stapedectomy is a surgery performed to treat hearing loss caused by Otosclerosis. During the procedure, the surgeon replaces the stapes with an artificial device. It transmits the sound from the middle ear to the inner ear.

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Explanation:

Answer:

yes

Explanation:

Pretty much is only with breathing. If a person has asthma, the inside of these airways is irritated and swollen. Asthma can cause shortness of breath, wheezing, coughing, and tightness in the chest. For some people, asthma symptoms only appear when they are exposed to something that irritates their breathing. Others have a kind of asthma that makes breathing difficult all of the time.

Answer:

all functions

Explanation:

To survive, unicellular cells must carry out all functions.

Hope this helps!

Unicellular cells must carry out all functions of life. Thus, the correct option is A.

Unicellular cells may be defined as those organisms that generally consist of only a single cell. This single cell carries all the essential functions of life which are required in order to survive in nature.

The complexity of the genome in a such single-celled organism is very simple. The mechanism of compartmentalization is not found inside the cell of such organisms. All the functions are carried out by the same cell.

Examples of unicellular organisms are Bacteria, amoeba, Paramecium, archaea, protozoa, unicellular algae, and unicellular fungi. They possess a cell wall made up of peptidoglycan, chitin, or other forms of polysaccharides. This protect the inner content of the cell.

Therefore, unicellular cells must carry out all functions of life. Thus, the correct option is A.

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A locus with five alleles can possess a total of 15 different genotypes and 10 unique heterozygotes.

To find the number of genotypes, we can use the formula n(n+1)/2,

where n is the number of alleles. In this case, n=5,

so the number of genotypes is 5(5+1)/2 = 15.

To find the number of unique heterozygotes,

we can use the formula n(n-1)/2,

where n is the number of alleles. In this case, n=5,

so the number of unique heterozygotes is 5(5-1)/2 = 10.

Therefore, a locus with five alleles can possess 15 different genotypes and 10 unique heterozygotes.

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Answer:

this is a fake account to make u brainiest

Explanation:

The correct order of the steps of the scientific methods is Ask questions, Conduct background research, Construct a hypothesis, Test the hypothesis, Analyze the results, Draw conclusions, and Communicate the results.

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The statement "weight gain and obesity may be partly caused by certain gut microbial communities that" is D) produces more hydrogen gas by fermentation. so the correct option is D.

Producing more hydrogen gas by fermentation is not directly linked to weight gain and obesity. While hydrogen gas is a byproduct of microbial fermentation in the gut, its production alone does not contribute significantly to weight gain.

The human gut contains trillions of microorganisms, including bacteria, viruses, fungi, and other microbes, collectively known as the gut microbiota. The composition of the gut microbiota can vary among individuals, and studies have shown that obese individuals often have a different microbial profile compared to lean individuals.

Additionally, the gut microbiota can influence metabolism and the storage of fat in the body. Studies in animal models have shown that certain gut bacteria can affect the expression of genes involved in lipid metabolism and adipose tissue development. This suggests that specific microbial communities may promote fat storage and contribute to obesity.

Furthermore, the gut microbiota can influence appetite regulation and food cravings. Some gut bacteria produce signaling molecules that can affect the production of hormones involved in appetite control, such as ghrelin and leptin. Altered levels of these hormones can disrupt the normal regulation of hunger and satiety, potentially leading to overeating and weight gain.

It's important to note that while gut microbiota can play a role in weight gain and obesity, it is not the sole determining factor. Other factors such as diet, lifestyle, genetics, and environmental influences also contribute to weight management.

Nevertheless, understanding the interactions between gut microbiota and weight regulation may provide insights into potential strategies for preventing or treating obesity in the future. so the correct option is D.

The complete question is:

Weight gain and obesity may be partly caused by certain gut microbial communities that

A) absorb more vitamins and essential amino acids.

B) produce more volatile fatty acids by fermentation.

C) stimulate the gut endothelium to absorb more sugars.

D) produce more hydrogen gas by fermentation.

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The best thing to do after reading it is to (A) Read the company website to find out more about how the ions work. This will help to understand the science behind the claims made in the advertisement and whether or not the claims are actually supported by scientific evidence. Doing research will help make a more informed decision regarding the effectiveness of the product.

The process produces ATP, which is then converted into byproducts like water and carbon dioxide.In order to create ATP, cells employ photosynthesis to produce the glucose needed.

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Neurons preferentially react to either the right or left eye. This characteristic is known as ocular dominance.

Ocular dominance, also known as dominant eye, occurs when one eye is used more than the other, when one eye has greater vision, or when one eye has stronger focus. Determining which eye is dominant might be useful for tasks that demand concentration on a goal. Baseball is one of these activities.

Ocular dominance, also known as eye preference or eye condition, is the proclivity to favor visual information from one eye over the other. This is analogous to right-handed or left-handed laterality. The dominant eye side and dominant hand side, on the other hand, do not always correspond. Identifying your dominant eye is essential while participating in activities like baseball, shooting range, or golf. Photographers can also improve their images by using their dominant eye. Shooters can better aim their targets using their dominant eye.

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Answer: B. Radiation emitted from the sun contains one type of electromagnetic wave .

Answer:

okay I think it's

AAG - GGU - CUA - AAA

sorry if wrong ;)

It's both! Scientists really can't agree on it.

Answer:

Most biologists say no. Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.

Answer:

Turn a right on Mccallin Drive! Thank me later. ;)

Explanation:

Answer:

Is that another language

A bone marrow biopsy is often performed for diagnosing diseases like aplastic anemia, leukemia, and lymphoma. These conditions affect the bone marrow's ability to produce blood cells.

A bone marrow biopsy, which involves taking a sample of bone marrow tissue, is a valuable diagnostic tool for evaluating various blood disorders and conditions affecting the bone marrow. Among the diseases for which a bone marrow biopsy may be performed are aplastic anemia, leukemia, and lymphoma.

Aplastic anemia occurs when the bone marrow fails to produce sufficient blood cells, leading to a deficiency in red and white blood cells and platelets. Leukemia is a type of cancer that affects blood-forming tissues, including the bone marrow, leading to the production of abnormal white blood cells. Lymphoma is a cancer of the lymphatic system, which can involve the bone marrow in some cases. In these situations, a bone marrow biopsy can help confirm the diagnosis and guide appropriate treatment.

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An organism that cannot synthesize organic compounds from inorganic substances and therefore must take in organic food is called a consumer or  a Heterotrophs

A heterotroph is an organism that cannot chemically manufacture (i.e., produce) its own sustenance from inorganic molecules. Due to their incapacity to produce their own organic food, heterotrophs feed on other living things. You can also categorise an organism as a heterotroph depending on the makeup of the food it consumes to thrive. An organism is specifically a heterotroph if it feeds on organic substances (i.e. complex molecules found in living things).

These organic substances are typically utilised by the heterotroph to obtain energy for their own life. Important biomolecules like simple sugars, carbohydrates (also known as complex sugars), fats (sometimes referred to as lipids), proteins, and nucleic acids are created by heterotrophs using these chemical substances.

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To identify a target DNA cleavage site for CRISPR-Cas9 and design an sgRNA, you would first need to determine the DNA sequence of the target gene that you want to edit. Once you have this information, you can then use bioinformatics tools to search for potential target sites within the gene sequence that match the protospacer adjacent motif (PAM) sequence recognized by the Cas9 protein.

Next, you would need to design an sgRNA that is complementary to the target site sequence and contains the PAM sequence. This can be done using online tools or by manually designing the sgRNA sequence. It is important to ensure that the sgRNA sequence is specific to the target site and does not have any off-target effects.

Finally, you would need to test the sgRNA in vitro or in vivo to confirm that it is able to guide the Cas9 protein to the target site and induce cleavage. This can be done using various methods, such as PCR, sequencing, or functional assays. Once you have confirmed the specificity and efficiency of the sgRNA, you can then use it for CRISPR-Cas9-mediated gene editing.

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Sugar and oxygen are removed from the blood primarily in the cells of body tissues during cellular respiration.

During cellular respiration, sugar (glucose) and oxygen are combined in the presence of enzymes within the cells to produce usable energy in the form of adenosine triphosphate (ATP). This process occurs in the mitochondria, which are organelles found in most cells. The mitochondria are often referred to as the "powerhouses" of the cells because they generate ATP through the breakdown of glucose and the utilization of oxygen.

Within the mitochondria, a series of biochemical reactions take place, collectively known as the citric acid cycle and the electron transport chain. These processes break down the glucose molecule and transfer high-energy electrons to generate ATP. Oxygen acts as the final electron acceptor in the electron transport chain, enabling the efficient production of ATP.

As glucose is broken down and ATP is produced, carbon dioxide and water are generated as byproducts. Carbon dioxide is transported back into the blood and carried to the lungs, where it is exhaled. Oxygen is continuously supplied to the cells through the bloodstream, ensuring the availability of this crucial molecule for cellular respiration.

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The kinetic hypothesis states that matter particles are constantly in motion. Kinetic energy is the term for the energy of motion. Gas particles have the maximum kinetic energy, while solid particles have the least.

A solid's kinetic energy may be the least?

Solids have the lowest kinetic energy since they cannot move and can only vary in position relative to their mean. Although liquids have more kinetic energy than solids, they also have kinetic energy in their molecules due to convection.

What particle has the lowest energy?

When an electron and positron collided, a bottomonium particle was produced. This collision's energy resulted in the binding of a bottom quark and an anti-bottom quark.

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Answer:

14amu

Explanation:

Given subatomic particles:

  Number of protons  = 7

  Number of Neutrons  = 7

  Number of electrons  = 7

Unknown:

Atomic mass unit; amu of nitrogen

Solution:

The atomic mass unit of a substance is the number of protons and neutrons in such an atom;

     Atomic mass unit  = number of protons + number of neutrons

This is because the mass of an atom is concentrated in the nucleus;

   For the given specie;

        Atomic mass unit  = 7 + 7 = 14amu

Kevin is homozygous for his cleft chin as all other are heterozygous. So, the correct option is (D).

Homozygous is defined as having inherited the same allele for a genomic marker from each biological parent, so an individual who is homozygous for a genomic marker has two identical versions of that marker. Whereas an individual who is heterozygous for a marker has two different versions of that marker.

In a diploid species there are two alleles for each trait or gene in each pair of chromosomes at the same locus, or locus with one coming from the father and the other from the mother.

An allele is one of two or more alternative forms of a gene, and are found at the same locus on chromosomes, so homozygous refers to having the same allele for a particular locus. So, in this case cleft chin is homozygous as they have same allele as compare to others.

Thus, Kevin is homozygous for his cleft chin as all other are heterozygous. So, the correct option is (D).

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