What are the three main products of cellular respiration?

Answer:

The correct answer would be TT and Tt.

According to the law of dominance, the trait which gets expressed in the heterozygous condition is termed as dominant trait.

The allele of a gene which is expressed in heterozygous condition is symbolized by capital letter.

For example, the allele responsible for tallness of a plant can be symbolized by "T".

Thus, the genotype of a gene responsible for the tallness of a plant can either be TT (homozygous) or Tt (heterozygous).

Final answer:

The correct statement is B) Atom A has one less proton and one more neutron than Atom B, given that both have the same mass number but different atomic numbers.

Explanation:

The correct statement regarding Atom A, which has an atomic number of 19 and a mass number of 40, and Atom B, which has an atomic number of 20 and a mass number of 40, is option B) Atom A has one less proton and one more neutron than Atom B. This is due to the fact that the atomic number represents the number of protons, and since Atom A has an atomic number of 19, it has 19 protons. In contrast, Atom B with its atomic number of 20 has 20 protons. Both Atom A and Atom B have a mass number of 40, which is the sum of protons and neutrons. Therefore, Atom A has 40 - 19 = 21 neutrons, and Atom B has 40 - 20 = 20 neutrons. Hence, Atom A has one more neutron and one less proton compared to Atom B.

Liver cells in a person suffering from chronic alcoholism can develop fatty liver disease, experience inflammation and swelling, or irreversible scarring (cirrhosis), all of which impede liver function. Increased cancer risk can also be a consequence.

In someone suffering from chronic alcoholism, significant changes could be observed in their liver cells. One expected alteration is the accumulation of fat in liver cells, a condition known as fatty liver disease. This occurs as the liver struggles with processing the excess alcohol, resulting in an overproduction of fat. Another change could be inflammation and swelling of the liver - a condition termed alcoholic hepatitis. Prolonged effects may lead to irreversible damage known as cirrhosis, characterized by scarring of the liver tissue and impeded liver function. Liver cells damaged this way can also have an increased risk of developing liver cancer.

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If a group of students are measuring the number of paper bags brought to a recycling center in a single day, they are collecting data.

Stating a hypothesis is making an educated guess as to how many bags would be brought to the recycling center each day.

Drawing a conclusion would be when all of the data has been collected and examined.

Analyzing data would be going back to look at the collected data from the research project to see if the hypothesis was correct, what determinations were made and if any discoveries were made.

The answer is PLANTS. Makes more since. Google what plants need VS what heterotrophs needs.

Final answer:

Nitrogen fixation is the process by which certain bacteria and archaea convert atmospheric nitrogen into ammonia, a form usable by plants and other organisms. These bacteria use an enzyme called nitrogenase to carry out the fixation process, which is key to the nitrogen cycle and vital for life on Earth. Symbiotic relationships between leguminous plants and nitrogen-fixing bacteria are particularly important in agriculture.

Explanation:

Nitrogen fixation is a biological process where certain bacteria and archaea, known as diazotrophs, convert atmospheric nitrogen (N₂) into ammonia (NH₃), making it accessible to plants and other organisms. This process is vital for life on Earth, as nitrogen is a key component of essential organic molecules like proteins, DNA, and RNA. However, the abundant nitrogen gas in the atmosphere is largely inert and unavailable to most forms of life. Through the action of specific enzymes, these bacteria are able to break the strong triple bond in molecular nitrogen and fix it in a form that organisms can use to synthesize proteins and nucleic acids.

One major pathway of biological nitrogen fixation involves the enzyme nitrogenase, which catalyzes the reduction of atmospheric nitrogen to ammonia. This reaction requires a significant amount of energy, usually in the form of ATP, and is sensitive to the presence of oxygen, with many nitrogen-fixing bacteria being anaerobic to avoid oxygen inhibition of nitrogenase.

Leguminous plants, which include important agricultural crops like soybeans and peanuts, have developed symbiotic relationships with nitrogen-fixing bacteria. These bacteria reside in root nodules, an environment that protects them from oxygen while allowing them to provide fixed nitrogen directly to the plant. In return, the plant supplies carbohydrates and other nutrients to the bacteria. This symbiosis is a key contributor to nitrogen cycling in ecosystems and plays a critical role in agriculture, as it reduces the need for synthetic fertilizers.

The cell structure that functions like a school principal's office is the nucleus.

In a eukaryotic cell, the nucleus is the control center and acts much like a school principal's office.

Answer:

Option (c).

Explanation:

Biomolecules are the important organic molecules that re present in the body of living organism. Four biomolecules of living organism are carbohydrates, proteins, lipids and nucleic acids.

Carbohydrates are the made of the polymers of glucose. Glucose is the important energy source of the body as the hum,an cells are permeable to the glucose molecule and generates ATP. Carbohydrate acts as an important vital fuel as it contains glucose units.

Thus, the correct answer is option (c).

The correct option is A which is they carry out all basic life activities.

Bacteria are simplest organism known to exist.

This simplicity is in their structure and somehow in function also.

It does not mean they have lack of metabolism or structural features.

Instead they carry all the functions and structure which distinguish them from non living organism.

Some of these structures are:

Metabolism of bacteria:

Final answer:

Sunflowers maintain homeostasis by using negative feedback mechanisms to regulate their inner environment. They adjust their physiological processes in response to environmental stimuli, like variations in temperature or water availability, and use the energy from photosynthesis to support growth and reproduction. The timing of flower maturity and sugar to fat conversions in seeds helps ensure survival.

Explanation:

Like all living organisms, sunflowers maintain homeostasis, the process of maintaining a stable internal environment despite changes in the external environment. Sunflowers use various strategies to regulate their internal conditions to ensure proper function and growth. One key example of a sunflower's ability to maintain homeostasis is their engagement in photosynthesis, using the C3 photosynthetic pathway. The sunflower is a photosynthetic autotroph that converts sunlight into the sugars needed for growth and reproduction.

The sunflower adjusts its mechanism based on internal and external stimuli through a process known as negative feedback. For instance, when there are fluctuations in certain environmental conditions, like water availability or temperature, the sunflower's physiological processes adapt to stabilize these conditions. Additionally, the sunflower's inflorescence also plays a role in this balancing act. The timing of flower maturity and the development of individual flowers work in a way that maximizes the chances for successful pollination and seed setting, which is crucial for the survival and reproduction of the species.

Finally, another aspect of a sunflower's homeostasis includes the control of matter and energy. Sugars produced via photosynthesis are transported as sucrose to developing seeds and used to create oils within the seeds. The energy for the conversion of sugars to fats is provided by the oxidation of sugars. Thus, through these complex feedback mechanisms, sunflowers regulate growth and reproduction while maintaining dynamic homeostasis.