13 biochemistry in food makes it very difficult for us to determine best practices around food processing, food safety, sanitation, packaging, and food storage. a. true b. false

Hemosiderin is a storage protein for iron another term for ferritin

The correct answer is option C

Lysosomes and partly digested ferritin are the components of a complex that stores iron and is known as hemosiderin or hemosiderin. Heme breakdown leads to the production of biliverdin and iron. The body then catches the liberated iron and stores it as hemosiderin in tissues.

It only exists in cells and seems to be a combination of ferritin, denatured ferritin, and other compounds (as opposed to circulating in blood).

 Hemosiderin deposits have very little iron in them, although it may be added as needed. Hemosiderin may be identified histologically using Perls' Prussian blue stain. When potassium ferrocyanide is applied to hemosiderin, the iron turns from blue to black. Without using particular stains, hemosiderin deposits are frequently insignificant in normal animals because of their small size.

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Option (c) Temperate forest is the right answer

Temperate forest is the kind of vegetation that fertile, well-developed alfisols support.

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Answer:

I have learned that heredity is the passing of traits from parents to their children. These traits can be physical, such as eye color, or behavioral, such as a tendency to be shy. Heredity is determined by genes, which are passed down from parents to their children. Genes are made up of DNA, which is the blueprint for life.

Explanation:

Mutation is a source of new variation in a population.

B is the correct answer.

Within members of the same species, genetic variation refers to naturally occurring genetic differences. In the face of shifting environmental conditions, this variety enables adaptability and population survival.

Genetic variations that can exist in a human population include variances in skin colour, hair colour, freckles, dimples, and blood type. A few of examples of genetic variety in plants include the altered leaves of carnivorous plants and the emergence of flowers designed to resemble insects in order to attract pollinators.

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True. These mature cells in humans carry oxygen, have no nucleus, and lack cytoplasmic organelles.

The statement is true. The cells being described are red blood cells, also known as erythrocytes. Red blood cells are specialized cells in humans that play a vital role in transporting oxygen throughout the body. They lack a nucleus and most cytoplasmic organelles to make more space for the protein hemoglobin, which binds and carries oxygen. The absence of a nucleus allows for more efficient oxygen transport and flexibility of the cell's shape, enabling it to squeeze through narrow capillaries. Red blood cells are produced in the bone marrow and have a lifespan of about 120 days before being recycled by the body.

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Answer:

Building remnant in Francisco Leon destroyed by pyroclastic surges and flows during eruption of El Chichon volcano in Mexico 1982.

Explanation:

Building remnant in Francisco Leon destroyed by pyroclastic surges and flows during eruption of El Chichon volcano in Mexico 1982.

The correct answer is True. After fertilization, the zygote undergoes several rounds of cell division, resulting in a mass of cells called the morula. These cells then migrate and arrange themselves into a hollow ball of cells called the blastula.

This process is known as blastulation. The blastula is made up of an outer layer of cells, called the trophoblast, and an inner cell mass, which will eventually give rise to the embryo. As development continues, the inner cell mass will differentiate into the three germ layers, which will give rise to all the different tissues and organs of the body. The migration and arrangement of cells during blastulation are crucial for proper embryonic development and any disruptions in this process can result in developmental abnormalities.

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In plants most pollen grains are tricolpates, that is to say, they have three apertures, what's more there are a great number of different pollen shapes and apertures, this is quite dependent, on the species and pollen stigma dynamics.

Nonetheless, in the present case we have that those pollen grains with more aperture germinate faster, assuming that all repetitions belong to the same species we would be looking at a directional selection towards a higher aperture number, this could be due to a faster interaction of stigma secretions with pollen tube grow, pollen tube could take less time to nourish, interact and grow in the stigma. or could be a mutation in those pollen grains with three apertures that makes them less viable not so much is about germination speed maybe this with pollen with three apertures could be unfertile so the low percentage is not because of time but infertility. Another situation is that those pollen grains with three apertures have differences in pollen kit and receptors so there is no proper recognition stigma pollen, and so germination is slower or inhibited.

Answer: The urinary system

Explanation:

Answer:

Kidneys regulate the osmotic pressure of a mammal's blood through extensive filtration and purification, in a process known as osmoregulation. Kidneys filter the blood; urine is the filtrate that eliminates waste from the body via the ureter into the bladder.

Explanation:

The major organ of the body that physically separates the internal environment it protects and maintains from the exterior environment is the integumentary system. The epidermis, dermis, hypodermis, related glands, hair, and nails are all a part of the integumentary system.

Hormones are released into the bloodstream by endocrine glands. The endocrine hormones play a role in the regulation of mood, development, metabolism, and reproduction.

Apocrine glands enter the hair follicle and exit at the skin's surface.

The majority of the body is covered in Eccrine sweat glands, which open directly onto the skin's surface.

By evaporative heat loss, Eccrine sweat glands regulate body temperature. The body's internal temperature rises, causing sweat glands to leak water onto the skin's surface. At puberty, sex hormones stimulate the Apocrine sweat glands, which then begin to work.

Sebum is an assortment of complex oils, including triglycerides, esters, and cholesterol, that are produced and secreted by sebaceous glands as part of their regular activity.

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The type of learning in which organisms learn the association between two stimuli is called associative learning.

Associative learning is a type of learning where an organism learns to associate one stimulus with another. This can occur in two ways: classical conditioning and operant conditioning. In classical conditioning, an organism learns to associate a neutral stimulus with a reflex response, such as the famous example of Pavlov's dogs salivating at the sound of a bell. In operant conditioning, an organism learns to associate a behavior with a consequence, either a reward or punishment, which affects the likelihood of the behavior being repeated in the future.

Classical conditioning, also known as Pavlovian conditioning, is a learning process in which a neutral stimulus comes to evoke a response after being paired with a stimulus that naturally evokes a response. Through repeated pairings, the organism learns to associate the two stimuli and will begin to exhibit the same response to the neutral stimulus as it would to the naturally occurring stimulus. This type of learning was first observed by Russian psychologist Ivan Pavlov in his famous experiments with dogs and their salivation response.

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Answer:

scientific method can help resolve problems logically

Answer:

b. scientific

Explanation:

the method most talked about in science is the scientific method. I've never really heard of any of the other methods, they don't make sense with the question anyway.

hope this helps! lemme know if you need more

Answer:

true the are all organized

A biome is a sizable region distinguished by its flora, fauna, soil, and climate. Temperature and precipitation will be present in biome in an area.

A biome is a sizable region distinguished by its flora, fauna, soil, and climate.

Aquatic, grassland, forest, desert, and tundra biomes are the five main types, while some of these can be further broken down into more specialized groups.

Due to various elements, such as water and temperature change, which prevent other biomes from being more stable, the marine biome is the most stable. Since oceans don't have "seasons," there is always a supply of water, and temperature changes are often small.

Precipitation and temperature predicts the biome will be present in an area.

Therefore, A biome is a sizable region distinguished by its flora, fauna, soil, and climate. Temperature and precipitation will be present in biome in an area.

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Answer:

Ghana rose as result of good economy and fell as a result of losing its monopoly on profitable trade routes. Mail rose as a result of strong military leadership and fell when the empire became too large and too weak for the king to rule. And the same happened to Songhai.

Answer:Ghana rose as a result of a good economy and fell as a result of losing its monopoly on profitable trade routes. Mali rose as a result of strong military leadership and fell when the empire became too large for a weak king to rule. History repeated itself when the same happened to Songhai.

Explanation:

how I know that because tell me that.

Answer:

B

Explanation:

Giving the answer :)

The amount of different gases varies in environment. Just like oxygen and carbon dioxide, Water vapor also have different amounts in inhaled and exhaled air.

Breathing is the process of inhaling oxygen and removing carbon dioxide.

During breathing amount of inhaled air contains 21% of oxygen and 0.04% of carbon dioxide,while during exhalation 16.4% of oxygen and 4.4% of carbon dioxide is there.

The reason behind such variation is that cells use oxygen from the inhaled air to release energy and give out carbon dioxide as a byproduct.

Water vapor is also inhaled and exhaled in different amounts just like oxygen and carbon dioxide.

Thus, the correct option is C.

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TIGHT JUNCTIONS are the juntions which does not allow the molecules to pass through the membrane to the adjacent cells

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Answer:

OD. Hypotheses help identify the variables

Explanation:

Source: had the question before

The olfactory axons of cranial nerve I, also known as the olfactory nerve, pass through the anterior cranial fossa of the skull. The anterior cranial fossa is one of the three depressions in the floor of the cranial cavity that house the brain.

The passage of the olfactory axons through the anterior cranial fossa is provided by several bony structures. The cribriform plate of the ethmoid bone forms a part of the anterior cranial fossa and contains small perforations that allow the olfactory axons to pass through. The olfactory epithelium, where the olfactory receptors are located, is located in the superior portion of the nasal cavity and is in close proximity to the cribriform plate.

The olfactory axons pass through the cribriform plate and enter the olfactory bulbs, where they synapse with other neurons before relaying sensory information to higher brain centers. The cribriform plate provides a protective barrier between the nasal cavity and the brain while still allowing for the transmission of olfactory information.

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Answer:

eqqus

Explanation:

Equus—the genus to which all modern equines, including horses, asses, and zebras, belong—evolved from Pliohippus some 4 million to 4.5 million years ago during the Pliocene. Equus shows even greater development of the spring mechanism in the foot and exhibits straighter and longer cheek teeth

Osteocytes are located in the bone that functions for bone health

Osteocytes, which make up 90–95 percent of the adult bone cell population, are former osteoblasts that turn into an unmineralized matrix (osteoid) during bone development. Recent reviews have examined the intricate process of the transition from osteoblast to an osteocyte.

Osteocytes may respond to mechanical strain by signaling bone production or resorption to the surface of the bone, altering their microenvironment, and controlling local and systemic mineral balance, among other things.

Osteocytes actively contribute to bone resorption. Osteocytes are the mechanosensory cells of bone and are essential to the functional adaptation of bone due to their extensive cell-matrix contact surface, which is engaged in ion exchange.

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Answer:

This question lacks options, the options are:

1. an ecosystem completely out of balance

2. how ecosystems maintain stability over time

3. interaction between biotic and abiotic factors within an ecosystem

4. ecological succession

The answer is 2

Explanation:

An ecosystem comprises of biotic organisms, abiotic substances etc. that interact with one another. The biotic components of an ecosystem are known to feed on one another in order to obtain energy. However, stability of an ecosystem must be maintained between predators and prey or else there will be extinction of many species of organisms.

One way balance in an ecosystem is maintained over time is by the increase and decrease in population of predators and preys in an ecosystem. For example, If the population of hawks (predator) in an area increases, their prey populations might decrease because there will be less predation.

Also, at a later time, when there is a fewer population of prey, the hawk population might decrease because there is less food to eat. The prey populations might then increase.

An oxidation-reduction reaction, also known as a redox reaction, involves the transfer of electrons between two species. In such reactions, one species undergoes oxidation (loses electrons) while the other undergoes reduction (gains electrons). A common example of a redox reaction is the reaction between hydrogen and oxygen to form water:
2H₂ + O₂ → 2H₂O
In this equation, hydrogen is oxidized, losing its electrons to oxygen, while oxygen is reduced, gaining the electrons from hydrogen. Thus, the equation represents an oxidation-reduction reaction.

A chemical reaction is considered an oxidation-reduction reaction if there is a transfer of electrons between the reactants. The equation representing an oxidation-reduction reaction will have at least one element that undergoes an increase or decrease in oxidation state. For example, the reaction between magnesium and oxygen to form magnesium oxide can be represented by the equation:
2Mg + O2 -> 2MgO
In this equation, magnesium undergoes oxidation by losing electrons and oxygen undergoes reduction by gaining electrons. This reaction is an example of an oxidation-reduction reaction.

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The polypeptide chain that is produced from the translation of the mRNA molecule is as follows:

The process of protein synthesis is known as translation.

In the process of protein synthesis, the mRNA template is read in groups of three nucleotides known as codons.

Each codon codes for an amino acid.

The mRNA molecules are read in the ribosomes, and complementary anticodons corresponding to an amino acid are brought and added to the growing polypeptide chain.

For the given mRNA molecule, the complementary anticodons and the corresponding amino acid attached are as follows:

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Answer:

Carbon, carbohydrates, energy, Polysaccharide, glucose, C6H12O6.

Explanation:

All organic matter must contain carbon in its composition then it can be considered as organic compound. Carbohydrate is composed of starches and sugars are generally used in cells as a source of energy. If a carbohydrate has more than one sugar, it is considered as a Polysaccharide. The single subunit of a polysaccharide is a glucose. An example of a monosaccharide is glucose and its formula is C6H12O6 . If a carbohydrate has one sugar, it is considered as a Monosaccharide whereas If a carbohydrate has two sugar, it is considered as a Disaccharide

The correct words for the given blanks are:

1. All matter, must contain carbon to be considered organic. Organic compounds are those compounds that have carbon and hydrogen bonds.

2. Carbohydrate is composed of starches and sugars are generally used as a source of energy. Starch is a stored form of energy in plants, whereas humans have glycogen as the stored form of energy.

3. If a carbohydrate has more than one sugar, it is considered a polysaccharide. Polysaccharides are starch, glycogen, and maltose.

4. The single subunit of the polysaccharide is a monosaccharide. It is the basic form of polysaccharides, which are combined by glycosidic bonds to form oligo or polysaccharides.

5. An example of a monosaccharide is glucose. Glucose is the primary substance required for the production of energy. Its formula is \(\rm C_6H_{12}O_6\).

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Organisms avoid competing for the same limiting factor by using different resources or adapting to different niches within the ecosystem.

A limiting factor is a resource or environmental condition that limits the growth, distribution, or abundance of an organism or population in an ecosystem. Examples of limiting factors include food, water, shelter, space, and temperature.

Competition for limiting factors can lead to the dominance of certain species or the extinction of others, which can disrupt the balance of an ecosystem. In some cases, competition can also lead to the evolution of new adaptations and behaviors that allow organisms to better utilize or avoid the limiting factor.

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Based on the definition of "serious bodily injury" in the Texas Penal Code, none of the injuries listed (sprained ankle, dislocated toe, bloody nose, and painful shoulder) would necessarily meet the criteria for "serious bodily injury." Here option E is the correct answer.

Under the Texas Penal Code, "serious bodily injury" is defined as an injury that creates a substantial risk of death or that causes serious permanent disfigurement or protracted loss or impairment of the function of any bodily member or organ. Based on this definition, it is difficult to determine definitively which of the injuries listed would meet the criteria for "serious bodily injury."

A sprained ankle, dislocated toe, and bloody nose are all injuries that, while painful and potentially debilitating, do not necessarily create a substantial risk of death or cause serious permanent disfigurement or protracted loss or impairment of the function of a bodily member or organ.

However, a painful shoulder could potentially meet the criteria for "serious bodily injury," depending on the severity and extent of the injury. If the shoulder injury caused significant and prolonged loss or impairment of the function of the shoulder joint, it could be considered a serious bodily injury under the Texas Penal Code.

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Complete question:

Of the following injuries, which meets the definition of "serious bodily injury" as defined in the Texas Penal Code?

A - sprained ankle

B - dislocated toe

C - bloody nose

D - painful shoulder

E - none of these