which cell is the only cell in a human body that could be seen with the naked eye

Answer:

Response eyes and antennae on a stalk antennae and stalked eyes on the belly's underside to detect movement putting a foot on the tummy to move it radula The radula's body is covered in protruding tentacles. radula. putting a foot on the belly's bottom to shift it. antennae and eyes on a stalk.

Some animal species—mostly invertebrate ones—possess the flexible, mobile, and extended tentacle. Tentacles typically come in one or even more pairs in animal anatomy.

A metallic object called an antenna is used to receive and/or broadcast radio waves.

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Answer: The cell membrane is selectively permeable.

Explanation: going thru last year notes

Genetically modified foods have both advantages and disadvantages for human health, the environment, and the economy.

Genetically modified (GM) foods are those derived from organisms for whom the genetic material (DNA) has indeed been altered in ways that do not occur naturally, such as the introduction of a gene from another organism. The technology is frequently referred to as "modern biotechnology" or "gene technology," and it is also referred to as "recombinant DNA technology" or "genetic engineering" at times.

Currently available GM foods are mostly derived from plants, but foods derived from GM microorganisms as well as GM animals seem to be likely to come on the market in the future. Most existing genetically modified crops have indeed been developed to increase yield by introducing resistance to plant diseases or increased herbicide tolerance. GM foods can also help to lower food prices by improving yields and reliability.

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If glucose labeled at the C-1 position with 14C passes through glycolysis, the radiolabel will be found on the  option C. C-3 carbon of pyruvate.

This is because during glycolysis, glucose is converted into two molecules of pyruvate through a series of enzymatic reactions. The initial step of glycolysis is the phosphorylation of glucose by the enzyme hexokinase, which adds a phosphate group to the C-6 carbon of glucose. In the case of glucose labeled at the C-1 position with 14C, this phosphate group will also be labeled with the radiolabel.

During subsequent steps of glycolysis, the glucose molecule is rearranged and ultimately split into two three-carbon molecules known as glyceraldehyde-3-phosphate (G3P). Each G3P molecule is then converted into pyruvate. Since the radiolabeled phosphate group is attached to the C-1 carbon of glucose, it will ultimately end up on the C-3 carbon of pyruvate, as the carbon positions are rearranged during the conversion of G3P to pyruvate.

Therefore, the radiolabel will be found on the C-3 carbon of pyruvate (option c) when glucose labeled at the C-1 position with 14C passes through glycolysis. Therefore the correct option is C

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To accurately determine the CFU/ml with 3 petri dishes using the spread plate technique, the suggested doubling dilutions would be 1:10, 1:100, and 1:1,000.

CFU/ml is an abbreviation commonly used in microbiology to represent "colony-forming units per milliliter." It is a unit of measurement used to quantify the number of viable microorganisms present in a liquid sample. CFU/ml indicates the concentration or density of microbial colonies that are capable of growing and forming visible colonies under specific laboratory conditions. The count is typically determined by plating diluted samples onto appropriate agar plates and counting the resulting colonies after an incubation period. CFU/ml is a crucial parameter in assessing microbial contamination, evaluating antimicrobial efficacy, and monitoring microbial growth in various applications, including food safety, pharmaceuticals, and environmental monitoring.

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Providing a written patient profile form to the pharmacy staff when establishing a patient record is essential for accuracy and efficiency in healthcare management.

There are several reasons why it is important for patients to provide a written patient profile form rather than relying on oral communication at the pharmacy counter.

Firstly, a written form ensures accuracy and consistency of information. When patients provide their details orally, there is a higher likelihood of miscommunication or misunderstanding, leading to errors in medication dosage, allergies, or medical history. A written form allows pharmacy staff to review the information carefully, ensuring that the patient's record is complete and accurate.

Secondly, a written patient profile form saves time for both the patient and the pharmacy staff. By submitting a completed form, patients provide all the necessary information at once, without the need for lengthy discussions or repeated questioning. This enables pharmacy staff to process prescriptions and address any concerns or potential drug interactions more efficiently. It also reduces the chances of errors that may occur due to misremembering or miscommunication during oral exchanges.

Additionally, a written patient profile form serves as a legal and confidential document. By signing and submitting the form, patients provide informed consent for the use and disclosure of their personal health information. This helps ensure privacy and confidentiality, as the written form is securely stored in the patient's record, accessible only to authorized healthcare professionals.

In conclusion, providing a written patient profile form when establishing a patient record at the pharmacy counter offers numerous advantages. It enhances accuracy, saves time, and ensures privacy and confidentiality. By following this procedure, patients can contribute to their own safety and receive optimal care from the pharmacy staff.

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Answer:

B. An enzyme can catalyze most reactions if the reactants are at a high concentration.

Explanation:

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The most dramatic difference between the brains of mammals and the brains of fish and birds is the development of the neocortex.

Fish and birds are vertebrates, which means they have a backbone. All vertebrates have a central nervous system (CNS) that consists of a brain and a spinal cord. The brain is divided into three main regions: the hindbrain, the midbrain, and the forebrain. The hindbrain controls basic functions like heart rate and breathing, the midbrain controls sensory information, and the forebrain is involved in more complex processes like decision making and emotion.

Mammals have a more developed forebrain than fish and birds, particularly in the neocortex. The neocortex is a layer of cells in the brain that is responsible for higher-level thinking like language, spatial reasoning, and conscious thought. This region of the brain is much larger in mammals than in fish and birds, which is why they are able to perform more complex cognitive tasks. Additionally, mammals have more advanced brain structures like the hippocampus, which is involved in memory, and the amygdala, which is involved in emotion.

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Answer:

Its mitochondria

Explanation:

Hope his helps

Answer: B. Lysosomes. They help with cellular respiration as they clear out unwanted materials or waste.Photosynthesis is to chloroplasts as cellular respiration is to mitochondria. Chloroplasts are the part of a plant that contain chlorophyll and make...

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Explanation:

False. The amount of testosterone and sperm produced by the testes is dependent on the influence of both FSH (follicle-stimulating hormone) and LH (luteinizing hormone).

FSH stimulates spermatogenesis, which is the production of sperm from the seminiferous tubules of the testes. LH, on the other hand, stimulates the Leydig cells in the testes to produce testosterone, which is necessary for normal male sexual development.

Both hormones are produced by the anterior pituitary gland and are regulated by the hypothalamus, which detects and responds to changes in the levels of testosterone and other hormones in the blood.

Without a proper balance of FSH and LH, the production of both testosterone and sperm is impaired, leading to infertility and other health issues.

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Sediment control items created from organic, natural coconut are called coir logs or coir wattles. Since vegetation's roots help to stabilize the soil, this is crucial for erosion control.

In order for dirt to be exposed the strong winds, heavy rains, and rushing water, it must be covered. Sometimes, human activities—particularly farming and clearing land—leave soil susceptible to erosion.

If the site is unsuitable for construction and urban developments cross existing drainage systems, they may severely exacerbate soil erosion. The natural drainage of the environment is impeded by mining and exploration activities, which can result in streams becoming eroded and silted.

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The two methods commonly used for separating a mixed culture of bacteria are streak plating and pour plating.

The two commonly used methods for separating a mixed culture of bacteria are streak plating and pour plating.  Streak plating involves the use of an inoculating loop to streak the bacterial mixture onto an agar plate in a pattern that gradually thins out the bacteria. This method allows for the isolation of individual bacterial colonies, as the bacteria are spread out across the plate, and subsequent growth occurs in distinct colonies.

Pour plating, on the other hand, involves mixing the bacterial culture with molten agar and then pouring the mixture into a petri dish. The agar solidifies, trapping the bacteria within it. Dilutions of the mixture are typically used to achieve individual colonies. Both methods provide a means to separate and isolate bacteria from a mixed culture, enabling further study and characterization of specific bacterial strains.

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Answer:

The kidneys remove from the blood the nitrogenous wastes such as urea, as well as salts and excess water, and excrete them in the form of urine. This is done with the help of millions of nephrons present in the kidney. The filtrated blood is carried away from the kidneys by the renal vein (or kidney vein).

Answer:

The fluid is called Urea

Explanation:

The kidneys remove from the blood the nitrogenous wastes such as urea, as well as salts and excess water, and excrete them in the form of urine.

Answer:

radioactive decay

Explanation:

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Answer:

That the lager frog population is better adapted to survive.

Explanation:

Here is an example: If you have to types of Polar Bears. Type 1 has long fur and type 2 has short fur. Which Polar Bear Type is more likely to survive in the north pole? Type 1, obviosity. The same goes for these frogs. Because one frog population is better adapted to survive than the other, it will allow the population to grow faster than the less adapted frogs.

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Answer: Exponential

Explanation:

The main requirement for the population of a species to grow is food. When there is food, a organisms that are born will be able to live longer because food will be able to sustain them.

This is what happened with humans during the Neolithic Revolution when we began farming.

The general trend is that the more food that is available, the higher the population growth. When these butterflies arrived and found no competition for food, their population would increase in the highest way possible which is exponentially because there would be plenty of food to go around.

Answer:

Exponential growth

Explanation:

Without any competition for food or space, the butterfly species likely experienced exponential growth.

The lack of competition would have allowed the population to flourish, as they would have excess amounts of resources, food, space, and other limiting factors.

So, they most likely exhibited exponential growth.

Answer:

it depends on what time of the year it is and where you live on this planet

Explanation:

Nitrate in groundwater can be increased by the infiltration of runoff from various sources, including manure from cattle feedlots, fields treated with synthetic fertilizers containing nitrogen, and rain runoff with dissolved nutrients.

Hence, the correct option is D.

Nitrate in groundwater can be increased by the infiltration of runoff from various sources, including manure from cattle feedlots, fields treated with synthetic fertilizers containing nitrogen, and rain runoff with dissolved nutrients. These sources can contribute to the contamination of groundwater with nitrates.

Manure from cattle feedlots often contains high levels of nitrogen, which can leach into the soil and eventually reach groundwater.

Similarly, synthetic fertilizers used in agricultural fields contain nitrogen compounds that can also be washed into the soil and groundwater through runoff. Additionally, rainwater carrying dissolved nutrients can infiltrate the ground and contribute to nitrate contamination.

Therefore, all of the given options can contribute to the increase of nitrate in groundwater through runoff infiltration.

Hence, the correct option is D.

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Answer:

It's inherited from a person's parents. The parent may not have the disorder but could be a carrier of the mutation in the X chromosome that causes it.

Also while unlikely a mutation in a mothers egg cells could cause it to develop in the child, without the mother possessing the gene.

Answer:

No

Explanation:

When thermal energy is added to a material ,kinetic energy increases causing the molecules to begin to move faster. When these particles move faster, more space is created because there is more energy to overcome the intermolecular forces, which causes the distance of the molecules to increase. This is why a liquid can become a gas (evaporation) the increase in thermal energy increases the movement of the molecules and they overcome the forces that hold them together, causing the distance between each particles

Answer:

hope this helps

Explanation:

1. cnidaria

2. mollusca

3. mammals

4. rotifera

Answer:

1. cnidaria

2. mollusca

3. mammals

4. rotifera

Explanation:

Answer: High Magnitude

Explanation:

To put it simply, Key stones are very important in an ecosystem. Therefore; the balance in the ecosystem is ruined and other organisms are threatened to the point of extinction. Keystone species have a disproportionate impact on their ecosystems and if they were removed, an ecosystem would changed dramatically. To put it even more clearly, keystone species hold entire ecosystems together!!

To determine the mRNA strand and the resulting amino acid chain during protein synthesis, we need to transcribe the given DNA sequence into mRNA and then translate it into amino acids using the genetic code. These are fundamental steps that both occur during synthesis of protein.

Given the DNA sequence: AAA-GCT-CCA-TCG-GCT-AGG

1. Transcription:

During transcription, DNA is converted into mRNA. We create the complementary mRNA sequence by replacing each DNA base with its corresponding RNA base:

AAA-GCT-CCA-TCG-GCT-AGG (DNA)

UUU-CGA-GGU-AGC-CGA-UCC (mRNA)

2. Translation:

During translation, mRNA is decoded to produce an amino acid chain based on the genetic code. Each set of three mRNA bases, called a codon, corresponds to a specific amino acid. Here's how the mRNA sequence is translated into amino acids using the genetic code:

UUU | CGA | GGU | AGC | CGA | UCC (mRNA)

Phenylalanine-Arginine-Glycine-Serine-Arginine-Serine (we must look at a codon table to interpret what amino acids are corresponding)

Answer:

Therefore, the mRNA strand produced from the given DNA sequence is UUU-CGA-GGU-AGC-CGA-UCC, and the resulting amino acid chain during protein synthesis is Phenylalanine-Arginine-Glycine-Serine-Arginine-Serine.

Answer:

A test cross is required

Answer:

A genus consists of a large number of organisms, whereas species consists of a fewer number of organisms. The best example is animals like zebra, horses, and donkeys which belong to the same Genus “Equss”. Meaning all the different species of zebra, donkey, and horses all belong to Equss.

Explanation:

Answer:

The genus is the generic name that includes closely related species; the gray wolf, for example, is classified as Canis lupus and is a close relative of the coyote found in North America and designated as Canis latrans, their systematic relation indicated by their sharing the same genus name, Canis.

Reduce human activities is the most important step which make sure that the park had adequate biodiversity.

Human activities are responsible for the reduction of biodiversity. Government legislation, reducing invasive species, habitat restoration, reduce climate change, reduce human activities and purchase sustainable products are the measures or steps that make sure that the park had adequate biodiversity.

So we can conclude that Reduce human activities is the most important step which make sure that the park had adequate biodiversity.

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Answer: auricular surface

Explanation:

The bony landmark of the sacrum that makes up the lateral surface and articulates with the ilium is called the auricular surface.

The auricular surface is given the name because it looks like the shape of the ear. It is cartilage coated and articulate by the sacrum. It should be noted that below the auricular surface, we have the preauricular sulcus.