the process of obtaining energy from food and storing it in cells is an example of catabolism true or false

Biomagnification is the accumulation of non-essential chemicals in the oceans in the food chains as it goes upwards. zooplanktons and Eagle

It increases its concentration in the tissues of organisms as it travels up the food chain. As the toxicity increases and so the trophic levels, it also causes some organisms death. can also be defined as the trophic enrichment of contaminants within food webs.

example- when DDT is put into oceans-

DDT is accumulated in the zooplanktons, which is then consumed by small fishes and then large fishes and then by bird eating fishes ( eagle)

the concentration goes like

zooplanktons ( 0.04ppm)

small eating fishes (0.5ppm)

large eating fishes (2ppm)

eagles ( 25ppm) - this high level disturbs birds ca metabolism.

therefore,  two species are the best to compare to reveal possible biomagnification between them is zooplanktons and eagle to find out the difference between them in toxic levels.

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The food you eat is decreased in a number of ways as it passes through your digestive tract, water is taken in, nutrition is absorbed, some waste materials return to the bladder or intestines.

The digestive system is made up of the liver, pancreas, and gallbladder as well as the gastrointestinal tract, commonly known as the GI tract or digestive tract. From the mouth to the anus, the GI tract is made up of several hollow organs connected by a protracted, twisted tube. The stomach, small intestine, large intestine, and anus are the hollow organs that make up the GI tract. The digestive system's solid organs are the liver, pancreas, and gallbladder.

Three sections make up the small intestine. The duodenum is the name of the first section. The ileum is at the end, while the jejunum is in the middle. The cecum, colon, rectum, and appendix are all parts of the large intestine. A finger-shaped pouch connected to the cecum is the appendix.

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As cells are pushed from the deeper portion of the epidermis toward the surface Option C. They die.

Your epidermis is the outermost layer of skin in your frame. It protects your frame from damage, keeps your frame hydrated, produces new pores and skin cells and carries melanin, which determines the coloration of your pores and skin.

The dermis in the main consists of keratinocytes (proliferating basal and differentiated suprabasal), which include 90% of its cells, however additionally consists of melanocytes, Langerhans cells, Merkel cells, and inflammatory cells.

The dermis and its waxy cuticle provide a defensive barrier against mechanical harm, water loss, and contamination. Numerous changed epidermal cells alter transpiration, boom water absorption, and secrete materials.

Three primary populations of cells are living in the epidermis : 1)Keratinocytes,

2)  Melanocytes,

3)  Langerhans cells.

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Cynognathus fossils were important to Wegener's theory  They were found on lands now separated by a wide ocean .

Cynognathus fossils are an important evidence for  Wegener's theory as these were present over lands that are now separated by a wide ocean They also have iron particles that were present with in the Earth's magnetic field.

The important evidence that strongly supported the Theory of Continental Drift is the fossil record. Fossils record carries the evidence of similar types of plants and animals present on rocks of a similar age on the shores of different continents, suggesting that the continents were joined together.

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Under anaerobic circumstances, yeast cells may metabolize glucose to produce atp.

Even under aerobic settings, Saccharomyces cerevisiae yeast prefers glucose as a carbon source, and ferment is the main mechanism for energy generation. Anaerobic processes in yeast produce alcohol, whereas they produce lactic acid in your muscles. An anaerobic process called fermentation allows glucose to release energy even in the absence of oxygen. In addition to yeast cells, bacteria and animal muscle cells also undergo some sort of fermentation. When exposed to osmotic stress and ethanol as a carbon source, yeast cells accumulate dihydrate rather than glycerol. Two distinct wild type cultures, W303-1A and BY4741, were cultivated in shake-flasks throughout time to observe internal glycerol and trehalose buildup.

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The biological process responsible for the precise changes in CO2 that have been seen is photosynthesis (for both light and dark conditions). Carbon dioxide and water are the reactants of photosynthesis, and light energy transforms them into glucose and oxygen (the products).

Plants ingest water (H2O) and carbon dioxide (CO2) during photosynthesis from the soil and atmosphere. In contrast to carbon dioxide, which is reduced within the plant cell and gains electrons, water is oxidized within the partition of the plant. Due to this, carbon dioxide and water are converted into glucose and oxygen, respectively. Once the oxygen has been returned to the atmosphere, the plant stores energy within glucose molecules.

Accordingly, we can conclude that the biological process is responsible for the specific changes in CO2 that have been observed in photosynthesis. The reactants, carbon dioxide and water, are changed into glucose and oxygen by light energy during photosynthesis.

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The process which happens when ATP is abundant is the process of gluconeogenesis and glycogen synthesis.

Gluconeogenesis is the process of synthesis of glucose from non carbohydrate sources, the most important raw materials being pyruvic acid or oxaloacetate and dihydroxyacetone phosphate. When the intake of carbs from food is insufficient for the needs of the body, the body will turn glucose into energy to meet the needs of the body.

Glycogen synthesis: is the process of glycogen formation from sugar. When there is an increase in blood sugar, the insulin hormone will facilitate the glucose in the blood to store in the liver and muscle cells as energy reserve.

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When eukaryotic cell has started replicating its DNA, then following are true: a)near each of the origin of replication there are two replication forks b)telomerase is used to make sure that the lagging strand in the end of chromosome is complete.

Two replication forks are formed at the origin of the replication and they get extended in both directions as replication proceeds.

There are multiple origins of replication on the eukaryotic chromosome so that replication can occur simultaneously from other places in the genome.

Telomerase is large ribonucleoprotein complex responsible for progressive synthesis of telomeric DNA repeats at the 3′ ends of linear chromosomes, hence reversing the loss of DNA from each round of replication.

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There is direct relationship of yolks size to the development rate of the organism inside the egg because large size of yolk leads to the more speed of development rate.

The main font of nutrients for chicken embryo development is the yolk, which gives more than 90% of the nutrients and is dynamically consumed to supply essential elements for embryonic organ growth and tissue emergence. The yolk is the source of food for the embryo and takes all the fat in the egg. The small white spot on the yolk is called the germinal disc. The chicken yolk sac tissue supplies the functions of the intestine, liver, bone marrow, and thyroid, while the organs of the embryo evolve and mature.

So we can conclude that the yolk sac supplies food material to the embryo. The amnion, by enclosing the embryo provides protection.

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The three common patterns of population distribution are c. clumped, evenly spaced, and random.

organisms in a given population can display:

1) Uniform Dispersion: Uniform dispersion is the distribution of organisms within a population such that they are evenly spaced from one another and are more or less evenly distributed throughout an area.

2) Random dispersion- This is evident when the organisms in a population are dispersed randomly, meaning that there is no discernible pattern between them.

3)Clumped: This is a term used to describe creatures that create clumps or clusters when they are present.

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The powder form of polyacrylamide is neurotoxic in nature.

Polyacrylamide is a polymer of Acrylamide (ACR).

At room temperature, acrylamide (ACR) is a crystalline solid with the chemical formula C3H5NO and a molecular weight of 71.08. ACR is used in a variety of chemical and industrial processes in its monomeric form, which is a water-soluble powder.

Acrylamide (ACR) monomer is neurotoxic in humans and laboratory animals. This chemical's subchronic exposure results in neuropathies, numbness in the hands and feet, aberrant gait patterns, muscular weakness, ataxia, skin changes, and, in rare cases, cerebellar changes. Because of damage to the nerve terminal caused by membrane fusion processes and tubulovesicular changes, Acrylamide (ACR) neurotoxicity primarily affects the peripheral but also the central nervous system.

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In relation with carbohydrate absorption the correct statement is- maltose is transported through the portal vein to the liver.

The correct option is c.

Complex carbohydrates are first broken down into oligosaccharides by stomach and salivary enzymes, which are subsequently hydrolyzed to monosaccharides by particular disaccharidases situated at the enterocyte brush boundary.

The small intestine is where carbohydrates are chemically broken down instead of the stomach. The disaccharidases and pancreatic amylase complete the chemical cleavage of digestible carbs. The liver receives the monosaccharides once they are absorbed into the circulation.

Dietary lactose, sucrose, and maltose—all of which are sugars—diffuse in the small intestinal lumen and come into contact with the absorptive epithelial cells that line the villi. There, they interact with brush border hydrolases, which break down the sugars into two molecules of glucose by the enzyme maltase.

The complete question is:

Which of the following is incorrect concerning carbohydrate absorption? multiple choice

a. end products of carbohydrate digestion are transported through the portal vein to the liver.

b. disaccharides are digested to monosaccharides by enzymes that are attached to intestinal cells.

c. maltose is transported through the portal vein to the liver.

d. monosaccharides can enter the villi.

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The kind of this protist is plasmodial slime mold.

Thus, the correct option is B.

Protists аre simple eukаryotic orgаnisms thаt аre neither plаnts nor аnimаls or fungi. Protists аre unicellulаr in nаture but cаn аlso be found аs а colony of cells. Most protists live in wаter, dаmp terrestriаl environments or even аs pаrаsites.

Kingdom Protista is classified into the following:

Plasmodial slime molds (myxomycetes) are а group of fungus-like orgаnisms usuаlly present аnd sometimes аbundаnt in terrestriаl ecosystems. The myxomycete life cycle involves two very different trophic (feeding) stаges, one consisting of the uninucleаte аmoebаe, with or without flаgellа, аnd the other consisting of а distinctive multinucleаte structure, the plаsmodium.

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Answer: Resistance

Explanation:

The antimicrobial disk had no effect on the growth of the microbe indicating that the microbe is resistant to that specific antimicrobial.

Answer: A, carboxyl group

Explanation:

The large number of antibodies that can be produced in a single individual is a result of a single B cell: (3) making a unique antibody from all other B cells by genomic rearrangement.

Antibodies are the proteinaceous structures that form an essential part of the immune system. Each antibody is  Y shaped structure that consists if 2 small light chains and 2 heavy chains. They are joined together by disulfide bonds. They are produced by the B cells.  

B cells are also called the b lymphocytes that are a type of white blood cells. They provide humoral adaptive immunity to the body. The B cells are developed as well as matured inside the bone marrow.

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Answer:

It's a and b tho

Explanation:

The car is red because, it absorbs and reflects red light

Before DNA replication can occur, the double-stranded DNA must first  be transcribed into RNA.

The first two processes of DNA replication are initiated sequentially. A so initiation protein first releases a little section of the DNA quadruple helix. The two DNA strands are then pulled apart by helicase, a protein that binds to and dismantles the hydrogen bonds holding the bases on the DNA strands together.

The stretch of the double helix that is about to be duplicated must first be unwound already when replication could take place. Additionally, the weaker hydrogen bonds between the coupled bases must be broken in order to distinguish the two strands, much like the opposite wings of a zipper.

Therefore, the correct answer will be option (A).

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1/2 is the proportion of their sons expected to be g6pd. When your body doesn't produce enough glucose-6-phosphate dehydrogenase enzyme, a hereditary condition known as G6PD develops.

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Answer:

  D. There is increasing pressure to include the cost of externalities in evaluations of the economy of agriculture

Explanation:

You want to know an accurate representation of the relationship between externalities and agricultural economics.

Externalities are costs or benefits that accrue to third parties not involved in the production or use of products of agriculture. They include impacts on natural resources, wildlife and ecosystem biodiversity, and human health, among others. A 2004 study estimated the costs in these areas in the US to be between $29 and $96 per hectare of cropland.

These costs are borne by society at large, and are rarely charged back to farmers or agricultural supply companies.

As public awareness increases regarding these costs, pressure tends to be put on growers and livestock suppliers, and their suppliers, to reduce the adverse effects of their operations. That is ...

... there is increasing pressure to include the cost of externalities in evaluations of the economy of agriculture

Answer:

I think the answer is Exposure to nature not only makes you feel better emotionally, but it also contributes to your physical well-being, reducing blood pressure, heart rate, muscle tension, and the production of stress hormones.

Explanation:

I hope this helps

The easiest way to ensure that happens is to register my intentions into my state's first-person consent register.

Tissue donation is the process by which a dying person gives away pieces of their body (such as skin, heart valves, ligaments, bones, veins, corneas, etc.) to be used in transplants to treat different deformities, wounds, and other conditions.

The following human tissues which can be considered and utilized during tissue donation in several surgical procedures: nerves, tendons, heart valves, veins, skin, and musculoskeletal tissue.

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Conductivity is the capacity of a cell to carry a electrical charge. sometimes referred to as responsiveness

The main structural component of your body is the skeletal system. It is made up of bones & connective tissue, such as ligaments, tendons, and cartilage. Other name for it is skeletal system.

A typically rigid framework that serves as an organism's support system or layer of protection. Particularly: something stripped to its most basic form or constituent elements, such as the bony or just about cartilaginous framework that supports the soft tissues and safeguards the internal organs of the a vertebrate.

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As stated in the previous sentence, conductivity is the capacity of a cell to transfer an electrical current.

What do all the bones represent?

In the human body, there are five different kinds of bones: bone length: The majority of the bone fragments in the limbs are among them, which are primarily compacted calcium with little marrow. These bones typically aid in movement and weight bearing. Short bones, including the ankle and wrist bones, have only a thin covering of dense bone.

What are the bones' structures?

Bone Gross Anatomy. A long bone's diaphysis and epiphysis are its two primary halves. The flat, tubular shaft which it connects the proximal and the distal corners of the bone is known as the diaphysis. The medullary resides inside the diaphysis.

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The answer for why all of the white-eyed flies are males is that a gene exists on the X chromosome.

A generation is the collective term for all individuals who were born and are still alive at around the same period. The average time frame, commonly regarded to be between twenty and thirty decades, in which children are born, grow up, becoming adults, and start having children is another way to put it.

The Silent Generation supported "working within the system," in contrast to the preceding generation, who had pushed for "changing the system." They achieved this by putting in long hours of work and gaining the reputation of being "quiet."

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