The "product(s)" is what is going into the process and the "reactant(s)" is the outcome of the process.

True
false

Answer:

1250

Explanation:

Mitochondria are organelles found in the cells of all living organisms. They are often referred to as the "powerhouses" of the cell because they are responsible for generating most of the cell's supply of energy in the form of a molecule called ATP (adenosine triphosphate).

The interesting thing about mitochondria is that they have their own DNA and are believed to have evolved from a symbiotic relationship between two different organisms. Scientists believe that early in the evolution of life on Earth, a primitive cell engulfed another organism and over time, the two became mutually dependent on each other. The engulfed organism eventually evolved into the mitochondria, while the host cell evolved into the nucleus.

In this symbiotic relationship, the mitochondria would provide the energy needed by the host cell to carry out its functions, while the host cell would provide a safe environment and nutrients for the mitochondria. This relationship was so successful that it has been passed down from generation to generation in most eukaryotic cells (cells with a nucleus).

In summary, mitochondria are organelles that play a crucial role in generating energy for the cell and have an interesting evolutionary history. They are believed to have originated from a symbiotic relationship between two different organisms and have been passed down from generation to generation in most eukaryotic cells.

The three molecules of the Calvin cycle are carbon dioxide, adenosine triphosphate, and ribulose bisphosphate.

The Calvin cycle is a set of chemical events that occur in plants as carbon dioxide is reduced or converted into glucose. This cycle happens in the stroma of the mitochondria.

It is also known as the Calvin-Benson-Bassham (CBB) cycle or the C3 cycle. The C3 cycle relates to photosynthesis's nighttime adaptation.

Therefore, the molecules of the Calvin cycle are carbon dioxide, adenosine triphosphate, and ribulose bisphosphate.

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Individual I-1 is heterozygous (Aa) for the dominant trait. This is because they have a child (II-1) who is homozygous recessive (aa). The only way for this to happen is if individual I-1 is heterozygous.

Pedigree analysis: A pedigree is a diagram that shows the inheritance of a trait from parents to offspring. In this pedigree, the dominant trait is represented by a solid symbol and the recessive trait is represented by an open symbol.

Genotype: The genotype of an individual is their genetic makeup, or the combination of alleles that they have for a particular trait. The phenotype of an individual is their physical appearance, which is determined by their genotype and the environment.

Heterozygous: An individual is heterozygous for a trait if they have one dominant allele and one recessive allele. This means that they have the potential to express the dominant trait, but they may also express the recessive trait if they are in an environment that is not favorable for the dominant trait.

Homozygous: An individual is homozygous for a trait if they have two copies of the same allele for that trait. This means that they will always express the trait, regardless of the environment.

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Answer:

The Hardy-Weinberg equilibrium is a principle that describes the genetic makeup of a population that is not evolving. When a population is in Hardy-Weinberg equilibrium, the frequencies of alleles and genotypes remain constant over time. This principle is based on five key conditions, which include no mutation, no gene flow, infinite population size, no natural selection, and random mating.

In the case of the PTC tasting and non-tasting alleles in North America, it is reasonable to assume that these conditions are being met. First, there is no evidence to suggest that the mutation rate of the allele for PTC tasting and non-tasting is high, and therefore, we can assume that this condition is met. Second, gene flow, which is the movement of alleles between populations, is not likely to have a significant impact on the frequencies of these alleles, given that North America is a large population and there are no significant barriers to migration within the continent.

Third, the population size of North America is indeed large, and so it can be assumed that the condition of an infinite population size is being met. Fourth, there is no known natural selection that would favor one allele over the other, and therefore, this condition is met as well. Lastly, random mating is expected to occur in North America, as individuals are likely to mate randomly without any preference for the ability to taste PTC.

Based on these five conditions, we can conclude that the frequencies of the allele for PTC tasting and non-tasting should remain constant for North America over the next 200 years, as the population is expected to be in Hardy-Weinberg equilibrium. This means that the proportion of individuals who can taste PTC versus those who cannot taste it is likely to remain constant, barring any unforeseen factors that would disrupt the equilibrium.

P.S Can I get brainliest for making a whole essay? haha

Answer:

There are 89 calories in 1 medium Red Delicious Apple.✨

Explanation:

How many calories are in a whole red apple?

89 Calories

Fat 0.3 g

Carbs 21.2 g

Fiber 3.5 g

Protein 0.4 g

have a great time

ecosystem..........

Answer:

Population

because it's not a community because a community contains living and no living things.

it's not a biosphere because it's a biome with all of its consists.

it's not an ecosystem, because an ecosystem represents more than one community.

have a nice day

The nuclei from the approaching sperm and egg are called C. pronuclei

Pronuclei are the nuclei from the sperm and egg that are approaching. When the sperm and egg combine during fertilization, each one contributes a haploid pair of chromosomes. The sperm and egg nuclei are initially distinct. The nuclei from the sperm and egg undergo alterations after fertilisation and are referred to as pronuclei.

The sperm and the egg are the sources of the male and female pronuclei, respectively. A diploid zygote is created when these pronuclei eventually unite as they travel towards the centre of the fertilised egg. The process of embryonic development starts with the fusing of the pronuclei.

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Answer:

When two or more atoms link up, they create a molecule . A molecule of water is made of two atoms of hydrogen (H) and one atom of oxygen (O). The molecular mass is the sum of the masses of all the atoms in the molecule. A collection of molecules is called a compound.

Explanation:

hope this helps :D

Answer:

See explanation

Explanation:

A precipitate is formed when a mixture of two soluble substances results in the formation of an insoluble product. It usually happens during a double decomposition reaction.

The two clear liquids combined both contain soluble substances. These interact to yield an insoluble product also known as a precipitate which is black in colour and settles on the bottom of the beaker.

Answer:  b. aortic baroreceptors and carotid baroreceptor

Explanation: Baroreceptors are sensory receptors that detect changes in blood pressure and are located near the heart. T hey play a crucial role in regulating blood pressure and ensuring it stays within a normal range.

By monitoring blood pressure and providing feedback to the brain, both the aortic baroreceptors and carotid baroreceptors help maintain homeostasis and ensure proper blood flow to the organs and tissues of the body.

Aortic baroreceptors: These baroreceptors are found in the aortic arch, which is a curved blood vessel located near the heart.  They monitor the blood pressure in the aorta, the largest artery in the body that carries oxygenated blood from the heart to the rest of the body.  When blood pressure increases, the aortic baroreceptors detect the change and send signals to the brain to initiate appropriate adjustments to lower the blood pressure.

Carotid baroreceptors: These baroreceptors are located in the carotid sinus, which is a small dilation in the carotid artery in the neck.  The carotid artery supplies blood to the brain. The carotid baroreceptors monitor the blood pressure in this artery. Similar to the aortic baroreceptors, they detect changes in blood pressure and send signals to the brain to regulate blood pressure.

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Explanation:

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The process that is most likely going to occur in the swimmer's muscle cells during the competition is C. The cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.

The main molecule for storing and transferring energy in cells is adenosine 5'-triphosphate (ATP). It is frequently referred to as the cell's energy currency and is like the money that is kept in a bank.

The ATP (Adenosine triphosphate) will be impaired if the swimmer is unable to breathe in enough oxygen to power through the sprint. The body will employ anaerobic respiration to make ATP under these circumstances. Without oxygen, anaerobic respiration takes place. In the respiratory cycle, it substituted the electron acceptors for oxygen. However, anaerobic respiration produces less ATP than aerobic respiration.

Therefore, the cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.

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endoplasmic reticulum

Protein folding occurs in a cellular compartment called the endoplasmic reticulum. This is a vital cellular process because proteins must be correctly folded into specific, three-dimensional shapes in order to function correctly.

The organelle responsible for folding proteins in a cell is the endoplasmic reticulum (ER).

There are two types of ER: Smooth and rough ER. The rough endoplasmic reticulum (RER) is studded with ribosomes that synthesize new polypeptide chains. As the polypeptides are synthesized, they are translocated into the RER lumen, where they undergo folding and post-translational modifications, such as glycosylation and disulfide bond formation.

The RER is thus responsible for the quality control of proteins and ensuring that they are properly folded before they are transported to their final destination within or outside the cell.

Thus, the organelle responsible for folding proteins in a cell is the endoplasmic reticulum (ER).

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Answer:

all of the answers are correct

The O2 required for cellular respiration is supplied by breathing.

Cellular respiration is a metabolic process that occurs in all living cells, in which cells convert glucose and oxygen into usable energy called ATP (adenosine triphosphate) while also releasing waste products such as carbon dioxide and water. Cellular respiration takes place in the mitochondria, which are organelles found in most eukaryotic cells. The O2 required for cellular respiration is supplied by breathing, as oxygen from the air is inhaled into the lungs and diffused into the bloodstream, where it is transported to cells throughout the body to be used in cellular respiration. The waste CO2 produced by cellular respiration is then transported back to the lungs to be exhaled out of the body.

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Answer:

C

Explanation:

My teacher told me to go back to my test to redo it and i didn't get that question wrong.

Answer:

The reason there are different numbers of nucleoli in the cells is that the nucleus in the cell is the primary cell structure responsible for making the DNA, and protein synthesis.

Explanation:

Microscopes play a crucial role in helping us learn about the structure and function of both unicellular and multicellular organisms. These specialized instruments magnify small objects, allowing scientists to observe.    

Analyze the detailed characteristics of living organisms that are otherwise invisible to the eye. For unicellular organisms, such as bacteria and protozoa, microscopes enable researchers to study their shape, size, and internal structures, which are vital for understanding how these organisms function, reproduce, and interact with their environment. The knowledge gained from these observations has significant implications for fields like medicine, environmental science, and biotechnology. In the case of multicellular organisms, microscopes allow for the examination of various cell types, tissues, and organs. This helps scientists understand how cells work together to perform specific functions and maintain the overall health of the organism.

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Answer:

The procedure is given below.

Explanation:

First we record the data of the pollutants that is releasing from the factory. Record the population of the coral reef which are not affected from these pollutants then take the data again and record the population of coral reef that is affected from the pollutants. If the population of coral reef that is affected from that pollutants increases it means that the pollutants damaged the coral reef population at higher rate. The purpose of this lab is to find out the negative effects of pollutants that is released from the factory on coral reef.

Answer:

The environment has the greatest effect on the expression of genes when which of the following occurs? relies on meiosis, a process that promotes recombination of genes, for the production of gametes. The ability for people to roll their tongue is dominant to people who cannot.

Explanation:

Answer:

That young people loved it. They found it much more motivational, much more exciting than traditional education. In this environment, I could learn how to get out of my comfort zone and become more successful in the things I'm passionate about.

Answer:

kinetic energy to generate electricity

The primary physical, biological drive to find and eat food, that is mostly regulated by internal cues to eating is called hunger. The hunger drive is influenced by numerous factors, including hormonal, physiological, and psychological processes.

To satiate the hunger, the brain is prompted to consume food that it perceives as satisfying and to drink liquids as a part of homeostatic mechanism.

Most people are aware of the concept of hunger, but many are unaware of the biological mechanisms that control this drive. Hunger is influenced by a variety of factors, including psychological, physiological, and hormonal processes.

The hunger drive prompts the brain to consume food that is perceived as satisfying and to drink liquids as a part of homeostatic mechanism.There are a number of hormones that regulate hunger. Ghrelin is one such hormone that is released by the stomach when it is empty, signaling to the brain that it is time to eat.

Another hormone, leptin, is released by fat cells and signals to the brain that the body has enough energy stores and can stop eating. In addition, many psychological factors can influence hunger, including stress, mood, and environmental cues. Hunger is a complex process that involves multiple biological and environmental factors.

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Answer:

because there is no enough police men in your village

C.Every year, the Sierra Nevada & Coast Mountain Ranges change elevation and descent by a few millimeters. due to groundwater pumping during the summer and winter in the Central Valley of California.

Geophysicists have calculated that the annual increase in these mountain ranges is caused by the progressive depletion of a Central Valley aquifer brought on by groundwater pumping. Every year, the Sierra Nevada & Coast Mountain Ranges change elevation and descent by a few millimeters. Approximately the depth of a dime, with a 150-year growth of upwards to 15 cm in total (ca. 6 inch). due to groundwater pumping during the summer and winter in the Central Valley of California. As a result, the state's faults are stressed and the likelihood of an earthquake is increased by Coast Range, the Central Valley, as well as the Sierra Nevadas.

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If the chromosome number were not reduced during meiosis, it would result in polyploidy, the condition of having multiple sets of chromosomes in an organism's cells. Polyploidy can occur through autopolyploidy, where an organism has multiple sets of chromosomes from the same species, or allopolyploidy, where an organism has multiple sets of chromosomes derived from different species.

Polyploidy can have significant consequences for offspring in successive generations. It often leads to larger and more robust individuals with increased vigor and adaptability. Polyploidy can cause reproductive isolation between polyploid and diploid individuals, potentially leading to the formation of new species.

It can also result in altered gene expression, changes in reproductive behavior, and reduced fertility due to meiotic problems. Polyploidy has played a role in plant speciation and can contribute to the genetic diversity and adaptability of populations.

Overall, if chromosome number were not reduced during meiosis, the occurrence of polyploidy would have far-reaching effects on the phenotype and evolutionary potential of offspring, influencing their reproductive success, genetic interactions, and potential for adaptation to changing environments.

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