What happens when the net energy is zero

Answer:

DNA sequences.

Explanation:

DNA sequences, I believe, are the best evidence of common ancestry since they share more traits with more closely related organisms. The similarities and variances in fossils, anatomy, and embryos are all due to DNA.

Answer

#1. A reduction in habitat for arctic seals will reduce the population of arctic seals. This will reduce the capture efficiency for killer whales preying on arctic seals because there will be fewer to capture. A reduction in habitat for arctic seals will lower the carrying capacity for arctic seals because there is less habitat. A reduction in arctic seals, the food for killer whales, will reduce the carrying capacity for killer whales, unless there is a substitute source of food.

#2. If there is another source of food for killer whales, the population of killer whales will probably remain the same, if they were at their carrying capacity and their habitat remains the same. If there is another source of food for killer whales, the population of arctic seals will still decrease, because the habitat for arctic seals has decreased, and habitat is independent of predator population.

#3. There are many limitations on any simulation. The computer only uses the parameters in the program, so changes in ocean temperature, weather patterns, salinity changes, food supply, habitat, interaction with other species and presence of plants and zooplankton are not considered. All of those can change and change the results.

Explanation:

I am a man of god

A reduction in habitat for arctic seals will reduce the population of arctic seals. This will reduce the capture efficiency for killer whales preying on arctic seals because there will be fewer to capture.

A reduction in habitat for arctic seals will lower the carrying capacity for arctic seals because there is less habitat. A reduction in arctic seals, the food for killer whales, will reduce the carrying capacity for killer whales, unless there is a substitute source of food.

If there is another source of food for killer whales, the population of arctic seals will still decrease, because the habitat for arctic seals has decreased, and habitat is independent of predator population.

The computer only uses the parameters in the program, so changes in ocean temperature, weather patterns, salinity changes, food supply, habitat, interaction with other species and presence of plants and zooplankton are not considered. All of those can change and change the results.

Therefore, A reduction in habitat for arctic seals will reduce the population of arctic seals. This will reduce the capture efficiency for killer whales preying on arctic seals because there will be fewer to capture.

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Answer:

Amino acid sequence and local low energy chemical bond between atom in both the polypeptides back bone and in animo acid side chain's

Explanation:

Protein structure plays key role in its function. If a protein loses it Shape at any structure level , it may no be functional

Otto Loewi was a pharmacologist who conducted an experiment in 1921 involving a frog's heart that led to the discovery of chemical neurotransmission. Loewi collected the fluid around a frog's heart and stimulated it with an electrical shock, causing the heart to slow down.

He then transferred this fluid onto another frog's heart, which also slowed down. Loewi concluded that the fluid contained a chemical that was responsible for the slowing of the heart rate.

This experiment demonstrated that nerve cells communicate with each other through chemical signals rather than just electrical impulses. Loewi's discovery paved the way for further research on neurotransmitters and their role in the nervous system.

Today, this experiment is often referred to as the "frog-heart experiment" and is considered a groundbreaking achievement in the field of neuroscience.

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The unique respiratory infection that is caused by a resilient bacterial organism that can remain dormant in the body is called tuberculosis (TB).

Tuberculosis (TB) is an infectious disease caused by the bacterium Mycobacterium tuberculosis (MTB). This disease primarily affects the lungs, but it can also infect other parts of the body like the brain, kidneys, or spine. MTB is a slow-growing bacteria that can remain dormant in the body for years, leading to latent tuberculosis infection (LTBI).

The symptoms of TB include a persistent cough, fever, weight loss, fatigue, night sweats, and coughing up blood. The diagnosis of TB is done using several tests such as skin tests, blood tests, sputum tests, chest X-rays, and CT scans. Once diagnosed, TB is treated using a combination of antibiotics for six to nine months to prevent the emergence of drug-resistant TB strains.

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The three commonly used types of pipettes in a lab are volumetric, graduated, and micropipettes.

1. Volumetric pipettes: These are used for the precise measurement of liquid volumes. They have a single calibration mark to indicate a specific volume, ensuring accuracy and precision. They are commonly made of glass or plastic and are used when working with solutions where volume accuracy is critical, such as in titrations or preparing standard solutions.

2. Graduated pipettes: Also known as measuring pipettes, these are used to measure and transfer variable amounts of liquid. They have multiple calibration marks along the stem, allowing for different volumes to be measured. Graduated pipettes are typically less accurate than volumetric pipettes but are more versatile due to their ability to measure varying volumes. They are useful for tasks that do not require the highest level of accuracy.

3. Micropipettes: These are precision instruments designed for measuring and transferring very small volumes of liquid, typically in the range of microliters. Micropipettes are adjustable and have a digital display indicating the set volume. They use disposable tips to prevent cross-contamination and ensure accuracy. Micropipettes are commonly used in molecular biology, biochemistry, and other research areas where precise liquid handling is essential.

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Answer:

chordata

Explanation:

chordata is a phylum that collet many animal whose same characteristic

The characteristic that is not shared by both methanogens and bacteria is: some methanogens have cell walls composed of peptidoglycan. The correct option is (c).

While bacteria generally have cell walls made up of peptidoglycan, methanogens have unique cell walls that are composed of pseudomurein, a type of molecule similar to peptidoglycan but with distinct differences in structure and composition.

This unique cell wall composition is one of the features that distinguishes methanogens from other microorganisms.

Option (a) is true as some methanogens possess flagella for locomotion, similar to bacteria. Option (b) is also true as some methanogens can form chains of large cells similar to filamentous cyanobacteria. Option (d) is also true as methanogens demonstrate diverse cell shapes such as cocci, rods, and spirals that are typically seen in bacteria.

Therefore, the correct answer is (c) some methanogens have cell walls composed of peptidoglycan.

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Answer:

the produces all genes and is passed down from parent to child and provides the "instructions" on the growth of the body, if the DNA is altered it can lead to things such as cancer, genetic mutations, etc.

Explanation:

Answer:

The answer is

That make up a living thing

Cysteine amino acid residue is involved in the bond that joins the α and β subunits of HGF. Hepatocyte growth factor (HGF) is made up of two cysteine residues that form a disulfide bond, which holds the and subunits together.

Cysteine amino acid residues include disulfide bonds, which are covalent connections made up of two Sulphur atoms. The cysteine residues in the extracellular domains of the and subunits of HGF form a disulfide link that helps to stabilize the protein's intricate structure. HGF, a growth factor involved in the control of cell growth, differentiation, and tissue regeneration, depends on this disulfide link for appropriate folding, stability, and activity.

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Answer:

Explanation: Three atmospheric processes modify the solar radiation passing through our atmosphere destined to the Earth's surface. These processes act on the radiation when it interacts with gases and suspended particles found in the atmosphere.

The three main atmospheric components that absorb radiation are ozone, carbon dioxide, and water vapour. The sun's UV energy, which is detrimental to the majority of living organisms, is absorbed by ozone. Without the atmosphere's protective barrier, sunlight would cause our skin to burn.

29% of the solar energy that strikes the Earth is returned to space as a result of reflection, largely from clouds but also from other brilliant surfaces and the atmosphere itself. Approximately 23% of the energy entering the environment is absorbed by atmospheric gases, dust, and other particles.

Therefore, The solar radiation that enters our atmosphere and is directed toward the Earth's surface is altered by three atmospheric processes. When radiation interacts with gases and suspended particles in the atmosphere, several processes impact the radiation.

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The origin is the term for the site where the muscle attaches that does not move when the muscle contracts.

It's simple to believe that muscle is muscle, and that the tissues in hearts, tongues, and arms are essentially the same. Mammalian bodies, however, are composed of three distinct muscle types: cardiac, skeletal, and smooth. Organs including our skin, blood arteries, and digestive tracts are made up of smooth muscles. The heart's muscles are called cardiac muscles. Despite how amazing and sophisticated these tissues are, the skeletal muscles are what carry out the bulk of the work.

The muscles that are a part of the skeletal system are known as skeletal muscles. They are voluntary muscles, as opposed to the hearts and stomachs, and one has cognitive control over them.

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Answer:

Migration happens as living beings move in and out of an range in a regular design. The entry makes an increment in populace estimate and the exit causes a diminish. In this way the populace measure increments and diminishes in a normal design.

Explanation:

Migration causes population size to change cyclically over time because the two components of migration vary with time.

There are 2 components of migration:

Hence, when the number of people coming into a population is more than the number of people leaving the population, the population size increases. On the other hand, when the number of people leaving a population exceeds the number of people coming in, the population size decreases.

Thus, migration causes population size to change cyclically because immigration and emigration rates vary with time.

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The correct answer is c. random differences in survival and reproduction among the individuals in a population.

Genetic drift is a mechanism of evolution that refers to the random fluctuations in allele frequencies within a population over time. It occurs when certain alleles become more or less common in a population due to chance events rather than natural selection. These chance events can include random differences in survival and reproduction among individuals in a population, which can lead to the random loss or fixation of alleles. Genetic drift is particularly influential in small populations where chance events can have a more significant impact on allele frequencies.

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Answer:

Ummmmmmm

Explanation:

Don't know

Answer:,,

Explanation:

Answer:

3 long and 1 short

Explanation:

3 of the squares have the dominant allele for long needles (L) therefore all 3 would all have long needles because in order for a cactus plant to have short needles it would have to have only the short allele (l) like the one on the bottom right corner

Answer:

Evolution

Explanation:

Nucleotides are components of DNA and RNA.

Definition. One of DNA and RNA's structural elements, or building blocks, is a nucleotide. The components of a nucleotide are a base (one of the four chemicals: adenine, thymine, guanine, or cytosine), a sugar molecule, and a phosphoric acid molecule.

With a lengthy chain of nucleotides, DNA is a double-stranded molecule. The shorter chain of nucleotides in RNA makes it a single-stranded molecule. Propagation. DNA is capable of self-replication and autonomous duplication.  RNA cannot duplicate itself on its own.

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Answer: Medicaid

Explanation:

The statement "an enzyme provides a lower-energy pathway from the substrate to product but does not affect the overall free energy change for the reaction" is true because enzymes work by lowering the activation energy required for a reaction to occur.

This provides a more favorable pathway for the reaction to proceed.

However, the overall free energy change for the reaction remains the same, as enzymes do not affect the thermodynamics of the reaction.

The free energy change of a reaction is determined by the difference between the free energy of the products and the free energy of the reactants.

Enzymes do not affect the free energy of the reactants or the products, but rather, they lower the activation energy required for the reaction to proceed.

This means that the reaction will proceed more quickly and with less energy input, but the overall free energy change will remain the same.

In summary, enzymes provide a lower-energy pathway from the substrate to product, but they do not affect the overall free energy change for the reaction, which is determined solely by the free energy of the reactants and products. The statement is therefore, true.

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Answer:

It is an essential vitamin for vertebrates, including humans. Vitamin A (retinol) and its metabolites serve as essential molecules in vision and influence gene expression in various types of cells, particularly epithelial cells.

Explanation:

Answer:

Fungi and bacteria

Explanation:

Answer:

Caldesmon is a basic protein associated with actin filaments.

Explanation:

Hope this helps you!!!

Answer:

Please see below  

Explanation:

A trend becomes apparent as we observe the data about cats falling from a certain number of stories. From story one to eight, there is an increase in the number of injuries that the cat suffers. Although in the last category, stories 9 to 32 (grouped together) there is a lower number of injuries.

Answer:

Explanation is a statement or account that makes something clear while a observation is the action or process of observing something or someone carefully or in order to gain information.

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When men enter fields that historically have been female-dominated, they tend to have a "glass escalator" effect.

The glass escalator refers to the phenomenon where men who work in traditionally female-dominated professions, such as nursing, teaching, or social work, often find themselves rapidly advancing to higher positions and earning more than their female counterparts. This occurs even when controlling for factors such as experience and education levels.

The glass escalator effect is a result of several factors, including societal expectations and gender stereotypes. Men are often perceived as more competent and better suited for leadership roles, which can lead to preferential treatment from employers and colleagues. Additionally, men may be more likely to actively pursue promotions and negotiate for higher salaries, further contributing to their upward career trajectory in these fields.

While the glass escalator can benefit men in female-dominated professions, it highlights the ongoing issue of gender inequality in the workplace. Addressing this imbalance requires challenging traditional gender norms, promoting equal opportunities for all employees, and fostering a more inclusive and diverse work environment.

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