Several tissues grouped together and working as a unit are called

A codon is a triplet of nucleotides synthesized from the complementary DNA strand. The base sequence of the DNA gene that originally produced the AGU mRNA codon is TCA.

In conclusion, the base sequence of the DNA gene that originally produced the AGU mRNA codon is TCA.

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Answer: Please refer to:

ACR (Albumin to Creatinine Ratio) and GFR (glomerular filtration rate).

GFR is a measure of kidney function and is performed through a blood test. Your GFR will determine what stage of kidney disease you have – there are 5 stages

Explanation:

Not sure but hope it helps.

If referring to the question: Kathy was making liquid growth medium for plants. The pH of the original solution was 8. The optimal pH for plant growth is 6. What was the best compound to add to make it pH=6?

A) KOH

B) HCL

C) Water

D) No answer provided

Then the correct answer would be option B, to add HCL, known as Hydrochloric acid to lower the pH to 6.

In science, pH is a scale used to measure the acidity of a solution or its basicity. The scale ranges from 0 to 14. A pH of 7 would mean that the given solution is neutral, lower than 7 equates to an acidic solution, while anything above 7 becomes increasingly basic.

Option A is to add KOH, or potassium hydroxide to the original solution whose starting pH is 8. KOH is a solution whose pH is above 8,  a strong base, and is often used to increase the pH of a solution. In the question it states what the desired pH is 6, therefore we want to lower, not increase the pH. This makes option A incorrect.

Water is a neutral solution. Even though it is neutral, it is not used to neutralize basic or acidic solutions. Acid or bases may be added to water to create very diluted solutions that are nearly neutral despite containing a strong base or acid, but this is a different process than neutralization and will not give the desired pH. Option C is also wrong.

Option B is correct because HCL, known as hydrochloric acid is a strong acid, commonly used to lower the pH of a solution by increasing the concentration of hydrogen ions. Since we start with a pH of 8 and wish to achieve a pH of 6, HCL is the correct component to add to the solution. Due to option B being correct, option D that states that no answer is provided, is incorrect.

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Answer:

A car stopped at the top of a hill is the answer

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Explanation:

Answer:

As the temperature increases, more and more sugar can be dissolved, but only slightly more salt can be dissolved. How much sugar dissolves in 100 mL of water at 50 °C? About 260 g of sugar will dissolve.

Answer:

Waste products may be categorized as metabolic or nonmetabolic. The difference lies in whether the substances in question are produced by the chemical processes of a living cell or are merely passed through the digestive tract of an organism without actually entering into its life processes.

Nonmetabolic wastes:

The nonmetabolic wastes are mainly materials that, by virtue of their chemical makeup, are indigestible or unusable by an organism. In addition, nonmetabolic wastes include any substances that are absorbed, ingested, or otherwise taken into a living system in excess of the needs and storage capabilities of the organism. These substances include digestible (metabolizable) as well as indigestible materials, and they may be excreted almost immediately, even though they are often usable as food.

Metabolic wastes:

Metabolic wastes may be separated into gases, liquids, solids, and heat. Heat, though usually not classified as a waste product, should be classified as such because it is a by-product of metabolic activity and must be eliminated to avoid harmful elevation of body temperatures in warm-blooded animals.

Gaseous wastes:

Oxygen produced during photosynthetic reactions in green plants and certain bacteria may be considered to be a waste product, or at least a by-product, requiring removal. Carbon dioxide is produced by all animals and by green plants in darkness. Nitrogen gas is produced by denitrifying sulfur bacteria (Thiobacillus), and ammonia is excreted by decay-causing bacteria and by most invertebrate and vertebrate animals.

Solid wastes:

Several important kinds of materials may be classified as solid wastes. Among them are nitrogenous wastes, by-products of protein and amino-acid metabolism by animals; nitrite and nitrate compounds produced by nitrifying bacteria; and sulfur and sulfates resulting from the metabolic activities of sulfur bacteria. Many other substances also enter into solid wastes to be disposed of by organisms. Iron compounds in an insoluble form are secreted by iron bacteria that have used soluble iron compounds. Various resins, fats, waxes, and complex organic chemicals are exuded from certain plants—as in the latex from rubber trees and milkweeds. Organic pigments from the breakdown of biological pigments, such as hemoglobin in vertebrates, become components of solid waste. Inorganic salts, including molecules and ions such as carbonates, bicarbonates, and phosphates resulting from life-sustaining chemical reactions, eventually may become solid waste products.

Methods of waste disposal:

Disposal of metabolic and nonmetabolic wastes involves both active and passive mechanisms. In general, gaseous wastes are eliminated through passive mechanisms without the direct expenditure of energy on the part of the living system. The solid and liquid waste-disposal mechanisms used by higher animals are active (energy consuming) systems that separate waste materials from vital substances prior to excretion. Methods of disposal may be classified into specific and nonspecific systems.

Specific elimination mechanisms

Three pathways exist in this context: (1) the alimentary canal, (2) the respiratory system, and (3) the kidneys.

Alimentary canal:

The alimentary canal is a pathway used almost exclusively for the elimination of solid wastes of an indigestible nature, and the act of elimination by this means is termed egestion. Materials disposed of in this manner have not entered the tissues of the animal but rather are the residues of enzymatic and absorptive activities occurring in the digestive tract. True metabolic wastes are excreted by means of the flow of bile from the liver into the intestine. The destruction of cells in animals produces bile pigments—residues of hemoglobin and other pigments—which may be considered to be the principal metabolic wastes eliminated via the alimentary canal. Waste disposal in this manner requires little energy expenditure other than that employed in the peristaltic contractions of muscle in the walls of the tract that act to push material along the length of the tube (see digestive system, human).

The modifiable lifestyle that could have a more positive impact on health in the prevention of non-communicable diseases are:

A. Reducing sodium Intake to 2400 miligrams per day  

B. Limiting intake of monunsaturated fats.  

D. Aiming to eat at least 5 servings of fruits and vegetablos daily

Noncommunicable diseases are highly preventable and are mostly triggered by inadequate diet, sedentary lifestyle, consumption of high-calorie beverages, foods of low nutritional value, and high intake of tobacco and alcohol.

A. Reducing sodium Intake to 2400 miligrams per day  

Consuming excess sodium can affect from the fluid balance to our metabolism and thus, lead to different diseases.

It can trigger arterial hypertension and associated cardiovascular problems due to its vasoconstrictive effect and on fluid retention.

The World Health Organization recommends not exceeding 2 grams of sodium per day or, what is the same, limiting the consumption of salt to a maximum of 5 grams daily.

B. Limiting intake of monunsaturated fats.  

Among the many benefits of Monounsaturated fats we find:

1) Decreased cardiovascular risk

2) Improved insulin sensitivity

3) Reduction of inflammation

D. Aiming to eat at least 5 servings of fruits and vegetables daily

Consuming, on a regular basis, at least 5 servings of fruits and vegetables a day, constitutes one of the bases of healthy eating, providing the body with all kinds of valuable nutrients for the fulfillment of different processes.

Their consumption helps prevent various diseases as they are high in fiber, vitamins, minerals, water and antioxidant substances, do not contain cholesterol and provide few calories.

On the other hand, World Health Organization offers guidance on the intensity of the types of activities and exercises.

Adults should spend a minimum of 150 minutes a week engaging in moderate physical activities this stimulates the immune system.

Therefore, we can conclude that modifiable lifestyle have a direct impact on people's health in the prevention of non-communicable diseases and quality of life.

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Explanation:

candidate 4 inner ear surgery = inner ear

because inner ear is what helps you hear sound, more so than outer ear.

outer ear= ( like a speaker to capture sound).

inner ear = complex structures & bones to help process sound to brain...

depending on circumstances, drs may let each structure heal b4 next surgery, takes 6 wks

or more 2 heal if all goes as planned.

shud take a year 2 complete healing. meaning ; drainage tubes have 2 b inserted for drainage of infectious substances.

start with inner 1st then outward. protecting inner structures..

Answer:

The yeasts are the eukaryotic, microscopic, unicellular organisms belonging to the kingdom fungi. Yeasts are widely used to prepare beer and wine. Yeasts break down the glucose and release ethanol and carbon dioxide. The best interference is yeasts bubbles when it contacts with sugar.

Explanation:

Yeasts are organisms, which can respire aerobically or anaerobically. During the experiment, when yeasts are placed in a test tube with sugar, it starts to grow. The warm water in the test tube ensures the rapid growth of yeast. Sugar is the source of energy that is required by the yeasts to grow. Thus, during the multiplication of the yeast, they utilize oxygen and food to yield carbon dioxide. The gas is evolved and can be tested by the inflated balloon placed over the test tube. The yeasts bubbles out when it comes in contact with the sugar. Thus, to perform any experiment on living organisms, the population of those organisms should be in large quantity. this can be achieved by providing the sources of energy.

Answer:

1. Brazil has the largest number of species in the world because it is home to 6% of them.

2. Brazil offers one-third of South America's biodiversity, which is believed to contain 40% of the planet's living plants and animals totalling 45 million different variants per square kilometer.

3.The Amazon rainforest hosts an astonishing 10% of all plant and animal life on Earth!  

4. Brazilian Portuguese, a Romance language and one of the two official languages in Brazil (the other being English), was originally based on Old Portuguese, like Spanish or Galician; today it has a larger proportion of French than Spanish does.......

Explanation:

Hope you enjoy these facts about Brazil!

Complex traits follow different patterns of inheritance and involve multiple genes or other factors these patterns include:

1) Incomplete or blending dominance

2) Co-dominance

3) Multi allele

4) Regulatory gene

The first law of Mendel known as the law of dominance that states that characters or traits are controlled by genes and these factors occur in pairs in which one member is the dominant gene and the other one is the recessive gene.

The law of segregation is the second law of Mendel that explains that the trait of form by genes does not blend and both expressed in the F2 generation.

The multiple genes or factors form these patterns of inheritance that include

Thus, the correct answer is - 1) Incomplete or blending dominance

2) Co-dominance

3) Multi allele

4) Regulatory gene

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How are energy in information used to

keep an organisms body organized

Energy is required for the cells to carry

out their metabolic functions. Moreover,

information (genetic information) is also

fundamental to synthesize and regulate

biomolecules required for the cells to

carry out their functions.

All cells need energy to carry out

their metabolic functions. i.e., to

live, grow, and reproduce.

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The roles of observations and hypothesis in science are:

Observation and hypothesis are the steps of the scientific method used to test and acquire knowledge.

Thus, the correct answer is -

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Answer:

B.) A base pair deletion, resulting in a different amino acid

Explanation:

A base-pair deletion mutation is likely to have the MOST NEGATIVE effect on the protein it specifies (Option B).

In conclusion, a base-pair deletion mutation is likely to have the MOST NEGATIVE effect on the protein it specifies (Option B).

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Answer:

One have kinks and fold everywhere while one has none it is perfectly flat.

Explanation:

you can ever get one back like the orignal (like the flat paper)

the answer is I and III

The correct process that represents ways nitrogen can enter the soil is III only which is rainfall.

Atmospheric nitrogen can not be used by most organisms due to fact that the three covalent bonds present in atmospheric nitrogen are very hard to break.

Nitrogen fixation takes place either:

Thus, the correct answer is - III only which is rainfall.

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Answer:

The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation. Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.

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The continuous processes that cause rocks to change from one type to

another is referred to as rock cycle.

Rock cycle explains the different processes which occurs in the change of

rocks from one form to another. Rock cycle involves processes such as

erosion, sedimentation, metamorphism etc.

The different types of rocks such as igneous,sedimentary and metamorphic

change to different forms and types through the processes that occurs in the

rock cycle.

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Answer:

False

Explanation:

A solar panel is made up of small units which are called photovoltaic cells.

Answer:

Animal Cell Structure

Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall. This feature was lost in the distant past by the single-celled organisms that gave rise to the kingdom Animalia. Most cells, both animal and plant, range in size between 1 and 100 micrometers and are thus visible only with the aid of a microscope.

Anatomy of the Animal Cell

The lack of a rigid cell wall allowed animals to develop a greater diversity of cell types, tissues, and organs. Specialized cells that formed nerves and muscles—tissues impossible for plants to evolve—gave these organisms mobility. The ability to move about by the use of specialized muscle tissues is a hallmark of the animal world, though a few animals, primarily sponges, do not possess differentiated tissues. Notably, protozoans locomote, but it is only via nonmuscular means, in effect, using cilia, flagella, and pseudopodia.

The animal kingdom is unique among eukaryotic organisms because most animal tissues are bound together in an extracellular matrix by a triple helix of protein known as collagen. Plant and fungal cells are bound together in tissues or aggregations by other molecules, such as pectin. The fact that no other organisms utilize collagen in this manner is one of the indications that all animals arose from a common unicellular ancestor. Bones, shells, spicules, and other hardened structures are formed when the collagen-containing extracellular matrix between animal cells becomes calcified.

Animals are a large and incredibly diverse group of organisms. Making up about three-quarters of the species on Earth, they run the gamut from corals and jellyfish to ants, whales, elephants, and, of course, humans. Being mobile has given animals, which are capable of sensing and responding to their environment, the flexibility to adopt many different modes of feeding, defense, and reproduction. Unlike plants, however, animals are unable to manufacture their own food, and therefore, are always directly or indirectly dependent on plant life.

Most animal cells are diploid, meaning that their chromosomes exist in homologous pairs. Different chromosomal ploidies are also, however, known to occasionally occur. The proliferation of animal cells occurs in a variety of ways. In instances of sexual reproduction, the cellular process of meiosis is first necessary so that haploid daughter cells, or gametes, can be produced. Two haploid cells then fuse to form a diploid zygote, which develops into a new organism as its cells divide and multiply.

The earliest fossil evidence of animals dates from the Vendian Period (650 to 544 million years ago), with coelenterate-type creatures that left traces of their soft bodies in shallow-water sediments. The first mass extinction ended that period, but during the Cambrian Period which followed, an explosion of new forms began the evolutionary radiation that produced most of the major groups, or phyla, known today. Vertebrates (animals with backbones) are not known to have occurred until the early Ordovician Period (505 to 438 million years ago).

Fluorescence Microscopy of Cells in Culture

Cells were discovered in 1665 by British scientist Robert Hooke who first observed them in his crude (by today's standards) seventeenth century optical microscope. In fact, Hooke coined the term "cell", in a biological context, when he described the microscopic structure of cork like a tiny, bare room or monk's cell. Illustrated in Figure 2 are a pair of fibroblast deer skin cells that have been labeled with fluorescent probes and photographed in the microscope to reveal their internal structure. The nuclei are stained with a red probe, while the Golgi apparatus and microfilament actin network are stained green and blue, respectively. The microscope has been a fundamental tool in the field of cell biology and is often used to observe living cells in culture. Use the links below to obtain more detailed information about the various components that are found in animal cells.

The evidence that supports the endosymbiotic theory is mitochondria have chromosomes and ribosomes that are similar to prokaryotes.

Some lines of evidence that supports the endosymbiotic theory include:

In conclusion, the evidence that supports the endosymbiotic theory is mitochondria have chromosomes and ribosomes that are similar to prokaryotes.

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Answer:

Explanation:

if the sugar is not used right away then it is possible

They are recycle within the ecosystem being constantly reused ( B ) is the true statement

The energy from the sun is use in the formation of nutrients in plants that is consumed by the primary consumers ( Herbivores ) in the ecosystem, while the primary consumers will be consumed by the secondary consumers ( carnivores ). these waste product from the secondary consumers is decomposed by the tertiary consumers ( Fungi and bacteria ) to be reused by the Plants again.

Hence we can conclude that the true statement about the chemical elements in the eco system is that they recycle within the ecosystem being constantly reused.

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The oxygen would receive electrons.

It is possible to know if an atom would receive or donate electrons through its valence layer. This because:

Oxygen has six electrons in the valence layer, which allows us to conclude that it needs to receive two electrons to become stable and not donate any electrons.

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Answer:

plants feed themselves by manufacturing food by absorbing light as energy

Answer:

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of suga

Answer:

C

Explanation:

Answer:

Plant cell

Explanation:

Onion, so ofc plant cell

Answer:

Hi, Friend!

Carbon moves through Earth’s ecosystems in a cycle referred to as the carbon cycle. It is through carbon dioxide gas found in Earth’s atmosphere that carbon enters the living parts of an ecosystem.

Explanation:

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