I need help with this ASAP.

Answer:

Multiple alleles of a gene occupy the same locus on the chromosome. Multiple alleles are the alternative forms of the same gene so they influence the same trait. The wild-type allele is mostly dominant over the mutant alleles. The wild type is considered the standard and all other alleles are considered variants.

Enzyme- a substance, usually produced by plants and animals, which helps a chemical change to happen more quickly, without being changed itself. All living things have enzymes. Our bodies naturally produce enzymes.

The factors that impacts enzyme activity are:-

Temerature: Raising temperature speeds up a reaction, and lowering temperature slows down a reaction. However, very high temperatures can cause an enzyme to denature(lose its shape).

pH: When the pH value of the reaction medium changes, the shape and structure of the enzyme will change. Enzyme activity is at its maximum value at the optimum pH.

Substrate Concentration: As the substrate concentration increases so does the rate of enzyme activity. An optimum rate is reached at the enzyme's optimum substrate concentration.

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Answer: water has a pH of 6.5-8.5. If an acid is dissolved in the water, the pH will become more acidic, therefore dropping in number.

Seed germination is when enzymes and other chemicals are activated and energy is produced to start cell division.

The correct option is B.

A seed, spore, or even other reproductive body sprouts after germination, usually following a period of dormancy. The procedure may be started by the following factors: moisture damage, elapse of period, cooling, warming, availability of oxygen, and light exposure.

When soil temperature and moisture conditions are ideal for their growth, seeds typically "wake up" and germinate. However, not all seeds have the same germination needs, therefore it's essential to know what each variety of seed needs. To germinate, seed require the right combination of temperature, water, air, and light.

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The complete question is-

Seed _____ is when enzymes and other chemicals are activated and energy is produced to start cell division.

A)Photosynthesis

B)Germination

C)Respiration

D)Growth ​

Answer:

Because they have to use for the rate of the reaction rate of the chemical reaction like other temperature affect the reaction of the engine catalysis.

Answer:

Hydrogen peroxide separate to catalase to prevent reaction from starting before the desired temperature

Explanation:

Answer:

this method is known as vegetative method in which potatoes reproduce asexually

While performing a fermentation test with an unknown bacteria by using stab culturing technique. if the test result came out purple you can conclude that the culture is basic and your unknown bacteria cannot metabolize arabinose.

Originally sold as a sweetener, arabinose inhibits the action of sucrase, an enzyme in the small intestine that converts sucrose to glucose and fructose.

Agar plates and stab cultures are similar, except stab cultures are created in test tubes using solid agar. Inoculation needles or pipette tips are used to stab the agar's center, introducing bacteria. Then the bacteria flourish in the hole, the purple result means the bacteria present in the culture cannot consume the arabinose.

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Answer: The terrain of the great barrier reef =

The reef actually consists of some 2,100 individual reefs and some 800 fringing reefs (formed around islands or bordering coastlines). Many are dry at low tide; some have islands of coral sand, or cays; and others fringe high islands or the mainland coast of the reef.

The altitude =

The average sea bed level is approximately 40m. The highest point is 1,121m on Hinchinbrook Island. The Great Barrier Reef Marine Park Act 1975 applies to areas between 1,000m below the sea bed to 915m above sea level.

The humidity =

The temperatures are recorded as average maximums of (Celsius) 30 degrees and average minimums of (Celsius) 21 degrees. The Tropical North has an average rainfall of 2010mm (an average of 168mm per month).

Explanation:

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Answer:

A

Explanation:

because

why not

Answer:B.  bb

Explanation:

Answer: 7th graders man I'm in 10th grade, Heat, is thermal energy transferred from a hotter system to a cooling system that is in contact.

Explanation: Temperature is a measure of the average kinetic energy of the atoms or molecules in the system. would this help :P

The variable is being tested in this experiment is vitamins.

The correct option is C.

An experiment can be described as a procedure carried out to support or refute a hypothesis, or determine the efficacy or likelihood of something previously untried.

The factor Vitamin is being tested in this experiment. For an experiments to be valid,  it is necessary that we have an experimental group as well as a control group.

In this experiment under consideration, all other factors have the same experimental group as well as the same control group except for the factor vitamin.

The factor vitamin has a experimental group in which the particular vitamin is given to the  object of test and a control group in which the vitamin is not given to the object.

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Full question here:

Consider the following planned experiment.

Which variable is being tested in this experiment?

A. Housing

B. Type of food

C. Vitamins

D. Amount of water

The individual bacteria that cannot synthesize histidine in the culture are likely to be genotypically and phenotypically different from the rest of the culture.

Mutation refers to sudden changes to the DNA sequence of organisms. Mutation can be silent without producing any physical effect.

A mutation can also be harmful to organisms. Once a modification is made to the DNA of some individual organisms out of the entire population of the same organism, such individuals are said to be mutants.

If the mutation has physical manifestations, the mutants will be both genotypically and phenotypically unique from the rest of the population.

If the mutation is silent, the mutants will be genotypically unique from the rest of the population, not phenotypically.

In this case, some individual bacteria in the entire culture are not able to synthesize histidine. Thus, these individuals will be different from the rest of the population both in genotype and phenotype.

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Answer:

C, and D

Explanation:

Hope it helps!

The two ways in which plant cells use the sugar made in photosynthesis are C. to supply the plant with energy for life and D. to make other types of organic molecules.

C. to supply the plant with energy for life: The sugar produced during photosynthesis, typically in the form of glucose, serves as a primary source of energy for plant cells. Through cellular respiration, the sugar is broken down in the mitochondria, releasing energy in the form of ATP (adenosine triphosphate). ATP is the energy currency of cells and is used for various metabolic processes necessary for plant life, such as growth, reproduction, transport of molecules, and maintaining cellular functions.

D. to make other types of organic molecules: Plant cells utilize the sugar produced in photosynthesis as a building block for the synthesis of other organic molecules. Glucose serves as a precursor for the biosynthesis of complex carbohydrates, such as starch and cellulose, which are important for energy storage and structural support in plants. Additionally, the sugar is used to synthesize lipids, proteins, nucleic acids, and other biomolecules that are essential for various cellular processes, including growth, development, signaling, and defense mechanisms.

By using the sugar produced in photosynthesis to supply energy and as a source of carbon and energy for synthesizing other organic molecules, plant cells ensure their own survival, growth, and overall metabolic functions. This efficient utilization of sugars allows plants to carry out necessary processes and adapt to changing environmental conditions.

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The mutation that I think  has caused Calix’s calico fur coloring is Nondisjunction mutation.

"Chromosome segregation fails as a result of the mutation known as nondisjunction during cell division. One daughter cell will consequently contain an extra chromosome, whereas the other will be missing one."

This would make sense for Calix because Nondisjunction would account for the difference in mass and Calix's DNA per cell mass is larger than typical. Due to the fact that "point mutations do not modify the mass of DNA," we also know that it cannot be a point mutation.

However, chromosomal rearrangement is not the explanation since the amount of DNA in each cell of Calix does not match what it would be if Calix had a chromosomal rearrangement.

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Water, carbon dioxide, and sunlight-derived energy are the inputs, and glucose and oxygen are the products of photosynthesis.

In simple terms this process photosynthesis is where plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Light energy, the substance in the form of water received via the roots, and carbon dioxide absorbed through the leaves are the inputs to photosynthesis.

Herein Water and carbon dioxide are totally changed into oxygen and glucose during the process of photosynthesis. The plant consumes glucose and produces oxygen as this byproduct. Oxygen and glucose are exactly transformed into water and into carbon dioxide during cellular respiration.

By-products of this process includes a total of carbon dioxide, water, and ATP, which is turned into a kind of energy.

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Answer:

The bomb calorimeter is used to determine the calorific values of solid and liquid fuels. It consists of a strong steel shell known as a bomb. It consists of a base which supports the platinum crucible and is screwed to the body of the bomb. The top of the bomb carries an oxygen supply connection and a valve to release the product.

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A young woman suffering from prosopagnosia, an inability to identify faces, a disorder of object recognition associated with damage to the Occipital lobe of the brain.

The occiptal lobe is known as the visual processing area of the brain. In the brain, It sits at the back of the head. Part of it major functions are that: it is responsible for visual perception, including colour, form and motion. Damage to the occipital lobe can include: Difficulty with locating objects in environment. Difficulty with identifying colours (Colour Agnosia).

Prosopagnosia could occur when there is a damage to the occiptal lobe.

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Answer:

The answer is B

Explanation:

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Endosymbiotic theory explains about mitochondria and chloroplast in eukaryotic cells that were once aerobic bacteria that were absorbed by a large anaerobic bacteria . This theory define the ancestry of eukaryotic cells.

Endosymbiotic theory states that a prokaryotic cell was consumed or engulfed by a larger cell. By some unknown reason, the prokaryotic organelle was not consumed. Thus , these structure were not destroyed or removed . Mitochondria and chloroplasts provides evidence for their endosymbiotic origin by having their own DNA . It is one of the major determinable factor for origin of life that involves development of a molecule that can store information and catalyze reactions.

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Answer: Because the structures benefit the cells.

Explanation:

Answer:

B i think

Explanation:

just guessing it

They created stromatolites, which added oxygen to the atmosphere.

Prokaryotes that can reproduce independently produce organic compounds from carbon dioxide. Heterotrophic prokaryotes, in contrast, get their carbon from organic substances. The terminologies that describe how prokaryotes receive carbon and energy can be combined to further complicate the picture.

Phototrophs, which are autotrophic organisms that transform solar energy into chemical energy, first appeared within a billion years after the birth of the Earth.

Since plants can produce their own sustenance, they are referred to as autotrophs. Through the process of photosynthesis, plants create glucose using water, carbon dioxide, and solar energy. Some protist species also use photosynthesis to produce energy.

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Answer:

C

Explanation:

they should report it between 24-48 hours

Staff should be aware of whom to contact and how to do so when unfavorable circumstances happen, as well as the timeliness requirements. Thus, option C is correct.

What staff should report an unexpected adverse event?

Any serious adverse event, including those listed in the protocol or investigator brochure, must be reported to the sponsor by an investigator .

(if they are not sponsor-investigators) within 24 hours of learning about them, whether they are thought to be drug-related. The report must also include an evaluation of whether the event was drug-related.

The independent safety monitoring body (i.e., DSMB or Safety Officer) and the NIA must receive an accelerated report of an SAE within 24 hours.

The occurrence being reported to the Investigator or as defined in the DSMP. This report can be sent through phone, fax, or email.

Therefore, they should report it between 24-48 hours.

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The microscope is used differently when looking at objects under low power versus high power as you boost the magnification and the field of view narrows. On low power, you can make out more of an object.

The depth of focus diminishes each time you choose a greater power. As a result, at higher magnification, less of the material is in focus. The amount of light that penetrates your eye is greatest when the power is low. Resolving power, or the capability to discern two neighboring objects as distinct is diminished as you increase the power. Adjust the light to make up for the loss (sometimes called the iris diaphragm). 

The deepest attention is achieved on targets with the lowest power. The depth of focus diminishes each time you choose a greater power. As a result, at higher magnification, less of the material is in focus. Once more, this makes it simpler to focus on an object when using low power before moving to a higher power.

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Answer: Since each codon is translated into a single amino acid in the final polypeptide chain, changing one codon changed the type of amino acid that is placed in the polypeptide at this position. The new polypeptide is different (has a different sequence of amino acids) than the original polypeptide.

Explanation:

Mass extinctions is the terms that mean many species die out at the same time.

A species dying out or disappearing is referred to as extinction. Extinction occurs when a species becomes less numerous due to environmental factors (habitat fragmentation, climate change, natural disasters, overexploitation of species for human use).

The majority of species that have ever lived on Earth have gone extinct, but the fossil record reveals five particularly large extinctions, known as mass extinction events, that each resulted in the extinction of enormous numbers of species. The majority of extinctions, which happen continuously and are referred to as background extinctions, are distinguished from these glaring declines in diversity by the term "mass extinction."

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Answer: to help regulate the cells, if cells did not perform osmosis and diffusion they would become hypotonic and shrivel up, or hypertonic and burst, osmosis and diffusion help to keep cells isotonic, it also helps with the movement of molecules in and out of the cell and between cells

Explanation: