A heterozygous purple flowered plants is crossed with one that is while.

The stomach lining is able to heal itself the fastest, followed by the skin, and then the liver.

What do you mean by the stomach lining?

The stomach lining is the innermost layer of the stomach, made up of cells that produce digestive enzymes and secretions that help break down food. This layer also helps protect the stomach from the acidic environment within the stomach.

The stomach lining is able to heal itself quickly because it contains specialized cells that can quickly make new tissue to replace damaged cells. The skin is also able to heal quickly because it is made up of many layers of cells that can quickly reproduce to form new skin. The liver is able to regenerate itself, but it takes longer than the stomach lining or skin because the liver is made up of fewer cells and the process of regeneration is more complex.

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Domestication of many organisms, such as honeybees and livestock causes a decrease in the genetic diversity of the organisms.

Genetic diversity refers to the range of genetically different individuals that are present in the same species. Domestication is the process by which the wild animals as well as plants are adapted to the human environment.

Domestication of livestock and honeybees is often done for economic reasons. An unintended consequence of the process of domestication is the decrease in the genetic diversity of the species. This decreases leads to a decrease in the variation which reduces the survival advantage of these species.

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Chlorophyll absorbs energy from blue and red light waves during photosynthesis while reflecting green light waves, giving the appearance of a green plant.

Chlorophyll, a light-absorbing pigment found in the thylakoid membranes of the chloroplast, is what gives plants their green hue. Chloroplasts, which are tiny organelles found inside plant cells, are there to store solar energy.  Despite the fact that there are numerous steps involved in photosynthesis, there are primarily two stages: light-dependent reactions and light-independent reactions. The light-dependent reaction, as its name implies, occurs inside the thylakoid membrane and necessitates a constant supply of sunshine. The light waves' energy is captured by the chlorophyll and transformed into chemical energy in the form of the molecules ATP and NADPH.

The Calvin Cycle's light-independent stage, which takes place in the stroma, or region between the chloroplast and thylakoid membranes, does not require light, hence the name light-independent reaction. In this phase, carbon dioxide is converted into carbohydrates like glucose using energy from the ATP and NADPH molecules. However, not all types of photosynthesis are made equal. C3 photosynthesis and C4 photosynthesis are two of the various forms of photosynthesis. The majority of plants engage in C3 photosynthesis. It entails the Calvin Cycle producing 3-phosphoglyceric acid, a three-carbon molecule that later transforms into glucose.

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Smoking cigarettes and being exposed to secondhand tobacco smoke are leading causes of premature death.

death that occurs earlier than the typical death age for a population. The average death age is around 75 years old. The biggest causes of early death in the US are smoking cigarettes and being around people who smoke. They can make people more vulnerable to developing cancer, heart disease, stroke, lung disease, and a host of other illnesses. Injuries are another reason for early mortality.

Ischemic heart disease, which accounts for 16% of all fatalities worldwide, is the world's leading cause of mortality. This disease has shown the highest increase in deaths since 2000, with an increase of more than 2 million deaths to 8.9 million deaths in 2019. The second and third most common killers, stroke and chronic obstructive pulmonary disease, respectively account for 11% and 6% of all fatalities.

Lower respiratory infections remained to be the most fatal communicable disease worldwide, ranking as the fourth most common cause of death. However, there have been fewer fatalities; in 2019, it claimed 2.6 million lives, 460 000 fewer than it did in 2000.

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Sickle cell anemia, cystic fibrosis, and hemophilia are some of the hereditary diseases that occur because of changes in the genetic make of an organism.

Hereditary diseases usually referred to as inherited diseases or genetic disorders, are a group of genetic diseases that are brought on by changes in a person's genetic makeup (DNA). These changes are caused by mutation. This occurs when the normal bases in the DNA is replaced with the faulty base or mismatched base.  

Then, these illnesses are passed down from one generation to the next, or in other words, they are inherited from one set of parents to another. For example, sickle cell anemia, cystic fibrosis, and hemophilia are some examples of hereditary diseases.  

Because sickle hemoglobin requires two copies of the gene to be present, sickle cell anemia is referred to as a recessive condition. They must get one from each parent, which code for abnormal hemoglobin.

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Answer:

This question lacks options, options are:

a) indirect

b) mosaic

c) determinative

d) regulative

e) direct.  

The correct answer is d.

Explanation:

The egg (ovum) like the embryo during the first embryonic divisions, do not possess any sign of polarity. This development mechanism can be called regulative development(in contrast to the mosaic model) since the fate of the cells that originate is not fixed and can be modified during development. In regulative embryos, part of the embryo can be removed and the remaining cells can compensate for the loss and give a complete individual as the final product.The strongest evidence that continues to support this regulatory model is based on the plasticity or potential that mammalian cells possess before implantation. It is known that the blastomeres produced by the first divisions can be replaced with each other or even can be eliminated without apparently altering the embryonic development and therefore they are equivalent (without polarity).

The best description for an unintended environmental consequence of aquaculture fish-farm enclosures located in estuaries is: (D) Aquaculture enclosures can harbor parasites that can negatively affect wild populations that breed in estuaries.

Estuaries are the coastal water bodies where the freshwater from rivers and salt water from the oceans mix together. Estuaries are the partially covered water bodies that act as transition zones. Hence they form an example of ecotone.

Aquaculture is the farming, breeding and raising of the aquatic animals as well as plants. The process of aquaculture is inclined towards the commercial supply of seafood and other products.

The given question is incomplete, the complete question is:

Which of the following statements best describes an unintended environmental consequence of aquaculture fish-farm enclosures located in estuaries?

(A) Fish farms create waste that contaminates potential drinking-water resources for coastal communities.

(B) Aquaculture can decrease pressures on overexploited fisheries, increasing fish populations.

(C) Cultivated fish can escape and breed with wild populations, increasing the population size of wild fish in coastal waters.

(D) Aquaculture enclosures can harbor parasites that can negatively affect wild populations that breed in estuaries.

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Escherichia coli, Staphylococcus, and Clostridium perfringens (E. coli; toxic strain). They undermine health by causing illness and hastening aging. When you are healthy, opportunistic microbes do not present a problem.

They are to blame for a number of infectious ailments, including tooth decay, diphtheria, syphilis, tuberculosis, and pneumonia. Certain bacteria break down cellulose, destroying textiles, wooden things, and canvas.

Bacteria can occasionally grow so quickly that they crowd out host tissues and impair normal function. Sometimes they actually kill tissues and cells. Sometimes they produce poisons that can paralyze, dismantle the metabolic machinery of cells, or trigger an enormous immunological response that is also toxic.

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The same categories of services and goods that would normally be deductible as medical costs on your yearly income tax return make up qualified medical expenses. Medicare also covers certain Qualified Medical Expenses, such as doctor visits, lab tests, and hospital stays.

Qualified Medical expenses include all costs required for the diagnosis, mitigation, or treatment of disease or injury. Medical expenses include things like health and dental insurance premiums, doctor and hospital visits, co-pays, prescription and over-the-counter medications, glasses and contacts, crutches, and wheelchairs, to name a few.

Taxpayers may use the Section 80DDB deduction for the cost of treating themselves or dependents for a few specific ailments. Section 80DDB allows residents of India who are individuals or HUFs to deduct certain expenses. Only those with specified ailments or their dependents are eligible to claim this deduction.

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Autotroph- b, heterotrophs- f, producers- A, consumer- k, foodweb- g, biomagnification I,  decomposer- h, biomass- D, tropic level- j,  energy- pyramid - e, food chain- c.

An autotroph organism makes its own food, heterotrophs obtain energy to eat another organism, and producers produce energy for other organisms and also for themselves.

Consumer organism which consumes any other organism, foodweb levels of organism shares relation with each other and to the primary source of energy.

Biomagnification is a concentration of a substance, a decomposer breaks down dead organic matter.

Biomass amount of organisms in a given area or volume, a tropic level diagram showing the interrelationship.

Therefore, an energy pyramid is a flow chart that shows the amount of energy transferred to different tropic levels, food chain shows the eating behavior.

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Answer:

parasitic

Explanation:

when species 2 population is higher, species 1 is lower, meaning that species 2 harms species 1.

Answer:

Parasitic relationship

Explanation:

The well being on one specie affects the other adversely.

Answer:

Glycogen

Explanation:

Hope this helps

The controlled variable to the science experiment 'are fingerprints inherited' may include the use of molecular markers of known molecular size.

A controlled variable in a science experiment is any condition that remains constant along the experiment and thus serves to make comparisons with the target experimental groups such as in this case the use of samples of individuals containing molecular markers of known molecular size, which allow us to identify the alleles of polymorphism in the sample after electrophoresis agarose gel and visualization under UV light.

Therefore, with this data, we can see that a controlled variable in a science experiment is any condition that stays the same in the experiment, and therefore it can be used to determine the presence or absence of a given allele in a DNA fingerprint.

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Answer:

it will eventually dry out

Answer:

It will eventually evaporate.

Explanation:

if you have more water evaporating (turning into clouds) than precipitating (raining) than eventually the whole lake will be evaporated. Because there will be no more water to evaporate if the rate stays the same.

Answer:

Question c.

H^C H^S - 2/4 or 1/2 (simplified) - 50%

H^S H^S - 2/4 or 1/2 (simplified) - 50%

The non-poisonous viceroy butterfly gains protection by looking like the bad tasting monarch butterfly, which is a protective device known as Mimicry.

Mimicry is a biological phenomenon that occurs by superficial resemblance of two or more organisms that are not closely related taxonomically. The resemblance gives an advantage such as protection from predation upon one or both organisms by which the organism deceive the animate agents of natural selection.The predator interacts with the similar organisms and gets deceived by their similarity.

The discovery of Mimicry in butterflies was in the mid 19th century by Victorian naturalist H.W.Bates. Mimicry in butterflies are of two types- Batesian mimicry and Mullerian mimicry.

The Batesian mimicry is when a non-poisonous animal mimics the pattern or coloration of a poisonous or unpalatable animal without actually producing any toxins themselves.

The Mullerian mimicry is when two poisonous or unpalatable animals have the same coloration and patterns.

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Answer:

the 2nd one i believe

Explanation:

hope this helps :)

Answer:

Number 2

Explanation:

Answer:

b i beleive

Explanation:

Answer:

Composting is an effective manure management tool that reduces volume, kills pathogens and weed seeds, and also improves soil health and fertility. However, soil and compost should be tested for nutrients

Neurotransmitter molecules penetrate the synaptic cleft and attach to receptor proteins on postsynaptic cells.

Synapses can be thought of as converting an electrical signal (the action potential) into a chemical signal in the form of neurotransmitter release, and then switching the signal back into an electrical form when the transmitter binds to the postsynaptic receptor.

These stimulate the production of "neurotransmitters," which pass the impulse across the "synapse to the next neuron." After a nerve impulse releases "neurotransmitters," these "chemical messengers" travel over the tiny "synaptic gap" and are taken up by specialized receptors on the surface of the next cell.

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Answer:

Option A ( Smog ) .......

Answer:

a

Explanation:

Control of gene expression ,

1)Transcriptional control : controls when and how often the gene is being transcribed.

2)Post-transcriptional control :

- RNA process control determines how often RNA is been processed.

- RNA transport and location control : selection of mRNA to be transported to  

   cytosol.

- mRNA degeneration control ; selection of which mRNA is getting         destabilized.

3)Translational control ; section of which mRNA is being translated.

4) Protein activity control / post-translational control ; regulation of proteins by activation , deactivation, degeneration, compartmentalization and modification of protein.

Gene expression control the proteins that are made by the cell. So, the correct option is A.

Gene expression is the procedure through which a gene's information is used to create a functioning gene product, allowing it to produce end products like proteins or non-coding RNA and ultimately have an impact on phenotypes.

A finely controlled process called gene expression enables a cell to react to its changing surroundings. It serves as both a headphone jack that raises or lowers the level of proteins produced as well as an on/off switch to regulate when proteins are created. Transcription and translation are the two essential processes that go into the creation of a protein. Gene expression control the proteins that are made by the cell.

Therefore, the correct option is A.

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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:

During prophase of the cell cycle, the cell condenses its chromosomes and breaks down the nuclear envelope.

A cell cycle, also known as a cell-division cycle is defined as a series of events which take place in a cell as it is growing and dividing in order to form two daughter cells. A cell cycle has a few different stages namely prophase, metaphase, anaphase and telophase.

Prophase is the first stage of both mitosis as well as meiosis. In the prophase, the chromatin which is present in the cell is condensed in order to form chromosomes. The nuclear envelope, which is the membrane which surrounds the nucleus of the cells also starts breaking done.

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