Im stuck in this question if you know please comment

Because of its abundance in both arterial and venous systemic blood, oxygen does not affect respiration until its blood levels get abnormally low.

Hypoxia refers to the internal conditions where the number of oxygen molecules transported by the blood cell is abnormally low, which may trigger health problems.

Oxygen is a fundamental molecule obtained from gas exchange in the respiratory system which is required to carry out the metabolic process of cellular respiration in the cells.

In conclusion, because of its abundance in both arterial and venous systemic blood, oxygen does not affect respiration until its blood levels get abnormally low.

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Answer:

a) is the correct option

If two heterozygous Yy pea plants are crossed, the proportion of offspring that will be the dominant color yellow is 75% or ¾.

Heterozygous in genetics means that an organism has two different alleles of a given gene.

According to this question, a gene coding for pea color is involved. Yellow color is dominant over green.

This means that the yellow (dominant) color will be encoded by allele Y, while the green (recessive) color will be encoded by allele y.

Hence, if two heterozygous genotype crosses i.e. Yy × Yy, the offsprings will be as follows:

Therefore, if two heterozygous Yy pea plants are crossed, the proportion of offspring that will be the dominant color yellow is 75% or ¾.

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BENIGN PROSTATIC HYPERPLASIA(BPH) is the most common prostate problem for men older than age 50.

As men age, a condition known as benign prostatic hyperplasia (BPH), or enlargement of the prostate gland, becomes more prevalent. Uncomfortable urinary symptoms, such as a bladder blockage, might be brought on by an enlarged prostate gland. It may also result in issues with the kidneys, urinary system, or bladder.

Prostate gland enlargement can be effectively treated with a variety of drugs, minimally invasive therapies, and surgical procedures. Your symptoms, the size of your prostate, any additional medical conditions you may have, and your preferences will all be taken into account when deciding which choice is best for you.

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Cebus and the atelines are the groups of monkey that use its tail to hold its body as it moves through the trees.

Two groups of monkey that use its tail to hold its body as it moves through the trees are the Cebus and the atelines. These monkeys have a long tail which is used as hand for movement.

So we can conclude that Cebus and the atelines are the groups of monkey that use its tail to hold its body as it moves through the trees.

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The small intestine assists the digestive system with the absorption of dietary.

The digestive system simply refers to the system of the body that breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair. In order words, digestive system helps in the digestion of food substances.

Small intestine is the upper part of the intestine, between the stomach and the large intestine, divided into;

Large intestine is the second to last part of the digestive system, comprising the

So therefore, the small intestine assists the digestive system with the absorption of dietary

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Answer:

d mutations and competition

The statement which is not true about the reefs is that they contain dinosaur fossils

Reefs simply refers to chain of rocks or coral near the surface of water

Some few examples of reefs are as follows:

So therefore, the statement which is not true about the reefs is that they contain dinosaur fossils

Complete question:

Transgression of the Kaskaskia sea promoted reef formation in what is today Western Canada; which of the following statements is NOT true about these reefs.

A. They contain calcium carbonate

B. They contain dinosaur fossils.

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The statement " In catabolism complex carbohydrates, proteins, and other molecules are disassembled" is true.

The process by which relatively big molecules in living cells are broken down or degraded or disassembled is known as catabolism.

These big molecules like complex polysaccharides, nucleic acids, proteins and some other molecules can be disassembled into smaller molecules like glucose, nucleotides, amino acids etc.

Anabolism is a group of metabolic processes that builds compounds from smaller building blocks.

In simpler form

Catabolism : Complex molecules ----Disassembled----> Simple molecules

Anabolism :   Simpler molecules ------Combined----->  Complex molecules

Anabolism is a productive metabolism, whereas catabolism is destructive.

Therefore, catabolism provides the chemical energy required for cell upkeep and growth.

Hence, The statement " In catabolism complex carbohydrates, proteins, and other molecules are disassembled" is true.

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The researcher in the virtual lab was using waste from a fish farm to provide nutrients for the algae. Algal growth utilizes carbon-di-oxide (CO₂) and converts it into useful byproducts thereby reducing CO₂ levels in the environment.

Feeding algae with the waste from the fish farm would enhance algal growth. Algae come under the group of organisms that are capable of performing photosynthesis.

Algae utilize CO₂ from the environment for photosynthesis and convert it into biomass and oxygen (O₂). This biomass produced can be used as an eco-friendly source of biofuel in the city.

Therefore, algae growth is utilized to trap CO₂ and replace it with O₂ in the environment.

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The weight of cholesterol is 0.6 g.

Here use the concept of molarity.

The amount of a substance in a specific volume of solution is known as its molarity (M). The moles of a solute per liter of a solution is known as molarity.

Molarity = no. of moles/volume (in L)

Given,

Molarity, M = 5.0 mM = 5 × 10⁻³ M

Volume, V = 315 mL = 315 × 10⁻³ L

To calculate,

Weight of cholesterol =?

We know that,

Molecular mass of cholesterol, C₂₇H₄₆O = 386

No. of moles = weight/ molecular mass

The formula is modified as,

Molarity = weight of cholesterol/ (molecular mass) (Volume)

Put the values in the formula,

5 × 10⁻³ = weight of cholesterol/ (386) (315 × 10⁻³)

Weight of cholesterol = 5 × 10⁻³  (386) (315 × 10⁻³)

                                    = 0.6 g

Hence, the weight of cholesterol is 0.6 g.

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If the G2 phase accidentally failed to work during experimentation. The cell continued to divide uncontrollably to create more damaged cells.

1. DNA damage: Particular proteins gather at the locations of DNA breaks. The cell won't divide if these proteins are present.

2. DNA replication: If not all DNA strands have been fully duplicated during DNA replication, the cell will stop dividing.

3. Evaluation of the state of the cell: Enough proteins, organelles, and other structures must be present.

Thus if the G2 phase gets damaged then the cell will divide uncontrollably to create more damaged cells.

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Gregor Mendel formulated key principles of genetics before DNA, genes, and chromosomes were discovered.

Mendel explained how features are passed down from one generation to the next and occasionally skip generations. Mendel created three laws of inheritance that characterised the transmission of genetic features through pea plant breeding before anybody knew genes even existed. Mendel's revelation significantly increased our understanding of how genes are passed down and inspired the creation of novel experimental techniques.

Mendel's laws, sometimes known as the laws of inheritance, are as follows:

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When epiphyses fuse to the diaphysis, full adult height is attained.

The epiphysis is just the round end of a very long bone, which is located at the joint with the bone that is close to it (s). The metaphysis, which includes the epiphyseal plate, can be found in the long bone between the epiphysis and the diaphysis (the long middle region of the long bone) (growth plate). At the joint, the epiphysis is covered by articular cartilage; below a certain covering is a zone called subchondral bone that is identical to the epiphyseal plate. The epiphysis is composed of red bone marrow, which is responsible for the production of red blood cells.

There is a developing zone of cartilage that sits between a long bone's diaphysis and both of its epiphyses (the epiphyseal plate). When a child reaches skeletal maturity, which typically occurs between the ages of 18 and 25, all of the cartilage is replaced by bone, and the diaphysis and both epiphyses become fused together (epiphyseal closure). This process involves the active osteoblasts that deposit bone structural proteins replacing the hyaline cartilage that was previously present in the epiphyseal area.

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To assess if an organism expressing a dominant characteristic is homozygous or heterozygous, a test cross can be used.
Back crosses are made between F1 generation plants and any of the parent plants, whereas test cross is made between F1 generation plants with dominant phenotypes and the homozygous recessive parent.

The phenotypes of the children can be used to identify the unknown genotype. If combining the recessive phenotype individual with the unknown dominant phenotype (PP or Pp genotype) results in solely dominant phenotypes (no recessive), then the unknown individual is homozygous dominant.
No matter if you are examining one gene or several genes, test crosses work on the same principle: you are pairing a person with a dominant phenotype but an unknown genotype with a person who is homozygous recessive for all relevant genes.

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When carbohydrate supplies are depleted in cells, amino acids from proteins can enter aerobic respiration after nitrogen is removed from the amino acids and excreted.

Before proteins from food can be utilized by your cells, your body must first break them down into amino acids.

Some amino acids will be broken down for energy through cellular respiration if there are more amino acids than the body requires or if cells are starved.

Amino acids must first have their amino group removed in order to enter cellular respiration.

As a waste product from this process, ammonia is produced. In mammals like humans, the ammonia is transformed to urea and eliminated from the body through urine.

Different amino acids enter the cellular respiration pathways at various stages after being deaminated.

Hence, when carbohydrate supplies are depleted in cells, amino acids from proteins can enter aerobic respiration after nitrogen is removed from the amino acids and excreted.

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More blood vessels are stimulated to vasoconstrict more than vasodilate because blood vessels contain more alpha receptors than beta receptors.

This is the process which involves the narrowing of the blood vessels through their muscle wall.

They contain more alpha receptors such as Alpha-adrenoceptor agonists than beta receptors which mimicks the effects of sympathetic adrenergic nerve activation to the blood vessels.

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Answer: Increase

Explanation: This is because trans fats increase LDL cholesterol and decrease HDL cholesterol, which can increase the risk of heart attack or stroke.

Amy's teacher is explaining math concepts to the class. amy cannot help paying attention to the teacher's colorful sweater. in this example, amy is focusing on salient stimuli.

By giving visual stimuli attentional priority, visual information is selected, and this process can be managed in a variety of ways. When attentional selection reflects the observer's expectations and objectives, it is said to be top-down, and when it reflects the saliency of the stimuli, it is said to be bottom-up.

In this scenario prior to listening  to the conceptual talk, attention is initially drawn to the prominent colour distractor. However, the salient element unintentionally drew attention to itself rather than the audio element.

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The problem which led to the bursting of the cell is osmosis. This is specifically due to endosmosis which occurs because the cell failed to maintain its internal environment and thus expands and bursts.

Potassium ions are essential for cellular metabolism. Potassium ions are necessary for regulation of membrane potential and polarization and depolarization of the cell membrane.  If a cell has too much potassium ions, the inside of the cell becomes hypertonic, with respect to its surrounding. This destabilizes the internal environment and leads to water entering the cell(endosmosis). As endosmosis occurs the cell starts to expand due to excessive water. This leads to expansion and tears and cracks in the cell. The further expansion of the cell leads to the bursting of the cell or lysis of the cell.

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Heritablity value 0.4  is on average about 40% of the individual difference that we observe in , say shyness may in some way be attribute to genetic individual difference.

The value of hetitability always lies between 0 and F. Humans narrow sense of heritability is approximately 0.8. Heritability value measure the differences in people's genes account for differences in their trait. Traits can includes characteristics such as height, eye, color and intelligence as well as disorders like schizophrenia and autism spectrum disorder.

It is measure that important genetics is to a trait. High heritabilty is near to 1 that is indicate that genetics explain lot of variation in trait and low heritability near zero which indicates the most of the variation is not genetic.

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Gelatin-containing yogurt has a thicker consistency than gelatin-free yogurt.

Gelatin is a proteoglycan that is made from boiling tendons. Gelatin is used as a  thickening agent. It is usually obtained from cows or pigs.

It is an animal protein substance having gel-forming properties, used primarily in food products and home cookery, and also has various industrial uses.

The hydrolysis of gelatin, an irreversibly hydrolyzed form of collagen, converts protein fibrils into smaller peptides, whose molecular weights can vary widely depending on the physical and chemical processes used for denaturation. Ice cream, dips, yogurt, most gummy candies, and gelatin desserts all include gelatin. Gelatin is available in powder, granules, and sheets for use in cooking. Some instant varieties can be put into the cuisine right away, while others need to soak in water first.

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The product of the light-dependent reactions of photosynthesis is used to generate ATP

The chloroplasts' thylakoid membrane experiences a light reaction. Both cyclic and noncyclic photophosphorylation is involved. During the photochemical phase of photosynthesis, photophosphorylation is the process of producing ATP from ADP and H3PO4 in the presence of light and chlorophyll-a.

ATP is created during cyclic photophosphorylation, and ATP and NADPH2 are produced during non-cyclic photophosphorylation. As water is photolyzed, oxygen is also created.

Therefore, ATP, NADPH2, and O2 are the byproducts of the light process.
By releasing its phosphate groups, the coenzyme ATP helps enzymes like ATP triphosphatase transmit energy to cells.
Therefore, ATP is frequently referred to as the "energy currency of the cell" by biologists. From a biological standpoint, ATP is made up of three parts.

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Option e: When the late current was blocked, the reversal potential of the inward current shifted to a negative membrane potential. This observation is not an evidence that helped identify sodium a s the early current of the action potential.

Reversal potential is the potential at which the current reverses direction: it changes from positive to negative.

During a typical action potential, the small resting ion conductance mediated by potassium channels is overwhelmed by the opening of numerous Na+ (sodium ion) channels.

This brings the membrane potential towards the reversal potential of sodium.

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The collection of organisms and their nonliving surroundings that functions as a unit is called ecosystem. There are two kinds of ecosystem:

Biomes are broad classifications of terrestrial ecosystems based chiefly on climate. Tropical rain forests, savannas, deserts, coniferous forests, and tundra are a few examples of nonliving surroundings in terrestrial biomes. According to the definition of an aquatic ecosystem, it is a water-based environment. Aquatic environments are of two types: marine ecosystems and freshwater ecosystems. The organisms included different fish species, crayfish, turtles and sharks etc.

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Answer:

Anesthesia is used because it puts people to sleep, so they don't feel pain.

If you don't use anesthesia the patient will feel the pain, but might also die.

Explanation:

hope it helps

sorry if I'm wrong

Answer:

It keeps you from feeling pain during the procedure, if anesthesia is not used on you while you're having surgery you will feel EVERYTHING, and you will not have the anesthesia's side effects! :)

The four phases in the life cycle of a cell and place the events in order, starting with events that occur immediately after the cell was born are:

A cell can be defined as simplest, basic, functional and structural unit of life

In conclusion, the four phases in the life cycle of a cell and place the events in order, starting with events that occur immediately after the cell was born are:

first gap (G1), synthesis (S) scond gap (G2) and M

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The summer season will be experienced by northern hemisphere when  the axis of earth is tilted towards the sun.

This season is usually the hottest and it experiences more daylight hours than dark hours.

The hot atmospheric condition is as a result of the earth facing the sun thereby increasing its exposure to heat from it.

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Temperature, humidity and elevation are the two major factors determining the distribution of terrestrial biomes.

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The elements that make up amino acids are as follows:

Amino acid is the basic and structural unit of polypeptides and proteins.

The amino acid has a general structure made up of the following:

Therefore, it can be said that the elements that make up amino acids are as follows:

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