WARM-UP
Where did we come from? Are we alone in the
Universe? Expound your answer.

Answer:

1. Cytokinesis

2. G1

3. S

4. Mitosis

5. Interphase

6. G2

Explanation:

This question is describing the phases in the MITOTIC PROCESS. Mitotic process is grouped into Interphase and Mitosis. The Interphase involves stages such as G1 (first gap phase), S (synthesis phase) and G2 (second gap phase) while mitosis consists of prophase, metaphase, anaphase, and telophase.

1. The stage where the cell divides into 2 daughter cells with identical nuclei is called CYTOKINESIS

2. The G1 stage is the first stage of interphase which occurs immediately after the cell divides i.e. after cytokinesis

3. The SYNTHESIS or S stage of interphase is the stage where the cell copies its DNA i.e. duplicates its genetic material (DNA).

4. MITOSIS is the process directly after interphase that consists of four stages viz; prophase, metaphase, anaphase, and telophase. This is where the nucleus divides and each cell contains a complete copy of the parental chromosomes.

5. The INTERPHASE is the main stage of mitosis where the cell grows, carries out normal functions, and duplicates its DNA.

6. The SECOND GAP PHASE or G2 stage takes place before mitosis and after synthesis of DNA (S phase).

1. The stage where the cell divides into 2 daughter cells with identical nuclei is called:

2. The stage of interphase which occurs immediately after the cell divides  is known as:

3. The stage of interphase is where the cell copies the DNA is known as:

4. The process which directly occurs after interphase that consists of four stages. This is where the nucleus divides and each cell contains a complete copy of the parental chromosomes. This is called:

5.The main stage of mitosis where the cell grows, carries out normal functions, and duplicates its DNA is known as:

6. The stage which takes place before mitosis and after synthesis of DNA is known as:

These are all the mitotic process where the cells are divided into interphase and mitosis and they further break down their process of cell division and differentiation.

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Answer:

Option D - Consumers

The answer is c) producers

Explanation:

just took the quiz

Answer:

B

Explanation:

The enzyme that pairs corresponding nucleotides to a preexisting DNA chain to synthesize a new strand of DNA is DNA polymerase.

DNA polymerase is an enzyme that helps in the replication process. It is the key enzyme that helps in the replication process, which involves the synthesis of DNA from a single-stranded template. The enzyme is responsible for catalyzing the addition of nucleotides to the 3′ end of a growing DNA strand. DNA polymerase is capable of identifying which nucleotide pairs with which one by analyzing the template strand of the DNA molecule. It does this through its ability to recognize complementary base pairing.

DNA polymerase enzymes work together with other enzymes such as RNA primase, helicase, and DNA ligase to synthesize a new DNA strand. The process requires the DNA molecule to unwind and separate the two strands of the double helix, and then the nucleotides pair and form a new complementary strand.

DNA polymerase is critical in DNA replication since it ensures that the correct nucleotides are paired with the template strand during replication. This process helps ensure that the newly synthesized DNA is an exact copy of the original. If the nucleotides were not paired correctly, then the DNA molecule would contain a mutation. These mutations can lead to various genetic disorders, cancer, and other health issues. Hence, the role of DNA polymerase in DNA replication is highly significant.

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It's a homozygous recessive gene, I assume.

The repression of tryptophan synthesis in the presence of high levels of tryptophan in the growth medium, as discovered by Monod, occurs through a regulatory mechanism known as "attenuation."

Attenuation is a form of transcriptional control that operates in bacterial operons, which are clusters of genes involved in a specific metabolic pathway. In the case of tryptophan synthesis, the operon responsible is called the trp operon.

The trp operon consists of several genes involved in tryptophan biosynthesis, including the structural genes for the enzymes required for tryptophan synthesis. It also includes a regulatory region that contains specific DNA sequences.

When tryptophan levels are high in the growth medium, tryptophan molecules can bind to a specific protein called the tryptophan repressor. This tryptophan-repressor complex can then bind to the regulatory region of the trp operon, specifically to a region called the operator.

By binding to the operator, the tryptophan-repressor complex prevents the RNA polymerase from accessing the promoter region and initiating transcription of the structural genes in the trp operon. This inhibits the synthesis of the enzymes necessary for tryptophan production.

In this way, the presence of high levels of tryptophan in the growth medium leads to the repression of tryptophan synthesis by blocking the transcription of the trp operon. This regulatory mechanism ensures that the bacteria do not waste energy and resources on synthesizing tryptophan when it is already abundantly available in the environment.

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As according to the given options, the high pressure is an agent of solution

Acid rain, commonly known as acid deposition, is any sort of precipitation that depositions onto the ground from the atmosphere either in the wet or dry forms and contains acidic ingredients, such as sulfuric or nitric acid. This could include things like acidic dust, rain, snow, fog, and hail.

Acid rain depletes aluminum from the soil. That aluminum might be harmful to both plants and animals. Acid rain also removes the minerals & nutrients from the soil that trees need to grow.

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Answer:

Well, you already have the answer, but I can try to elaborate XD

So, DNA: contains genetic information that is necessary for biological functioning and reproduction.

More specifically, it contains the genetic instructions through gene encoding that instructs the cell what to do. A specialized complex ribosome interacts with the DNA molecules and "reads" it, changing the genes from the DNA into proteins that the cell as a whole can function upon. It is also crucial to forming a whole cell in offspring, since only the genes from the two parents combined (in humans at least) can produce an offspring with all genes intact. Those who do not have genetic disorders, a famous one being Down Syndrome.

Next, RNA: a molecule necessary for expressing genes and making proteins.

Connecting to the paragraph above for DNA, RNA also assists in the process by reading the ribosome that reads the DNA itself. Complicated, I know. All you have to know, however, is that the RNA, in this case called mRNA since it serves as a messenger, hence, the "m", reads the codons produced by the ribosome when it reads the DNA, and makes proteins according to those codons, and those proteins then scatter all across the cell to execute instructions.

Now, we move onto nitrogen and phosphorous: both are found in amino acids, the building blocks of proteins.

That is actually partially wrong. Amino acids do not contain phosphorous, but do contain nitrogen. Not exactly sure what went wrong on your end there, but nitrogen is a basic building block for amino acids, which are basic building blocks themselves for proteins. To be more clear, amino acids are made of carbon, hydrogen, oxygen and nitrogen atoms. No phosphorus there!

Finally, enzymes: special proteins that accelerate chemical reactions in cells.

This is correct. Enzymes typically lower the activation energy required for reactions to happen. More specifically, enzymes make the reaction molecules more active, hence, lowering the threshold for the amount of energy you have to put in before the molecules start crashing into each other hard enough to have a chemical reaction. Of course, enzymes do not participate in the reaction itself, which makes them incredibly useful for spurring on chemical reactions since they can be used multiple times.

Explanation:

Hope this helped!

QUESTION: this for the other version.. " Investigate substances containing carbon or oxygen that relate to biological processes. Explain their main function in those processes. "

ANSWER: I chose to investigate four substances: carbon dioxide, ethanol, glucose, and cellulose. According to my research, these are the main functions of these substances in various biological processes:

Carbon dioxide: Carbon dioxide is a product of aerobic respiration. Most living organisms exhale carbon dioxide while plants inhale it in the respiratory process. Carbon dioxide is converted to organic matter in the process of photosynthesis carried out by autotrophs.

Ethanol: The process of fermentation gives rise to ethanol, which is an alcohol. Ethanol is formed through a type of anaerobic respiration, that is, respiration without the use of oxygen.

Glucose: Glucose is a form of carbohydrate. It is nothing but simple sugar that stores energy in plants and animals.

Cellulose: Cellulose is an organic polymer used to make cell walls in plants.

EXPLANTATION: EDMENTUM / PLATO

Answer: D

Explanation:

Just D.

Answer:

The correct answer is B. Poor absorption of calcium.

Explanation:

The correct answer is B. Poor absorption of calcium. b/c the villi cells in the small intestine are destroyed by celiac disease, a digestive ailment. The small intestine is lined by projections that resemble fingers called villi, which aid in the body's absorption of nutrients from meals. When these villi are lost, the body cannot effectively absorb nutrients, such as calcium. In those with celiac disease, this can result in impaired absorption of calcium and other minerals.

Potassium makes up 1/280 of the mass of the body.

potasium can be calculate from the following data:

Oxygen = 45.2kg

Carbon = 12.6kg

Hydrogen = 7kg

Nitrogen = 2kg

Calcium = 1.3kg

Phosphorus = 0.78 kg

Potassium = 0.25 kg

Sulfur = 0.18 kg

Other = 0.60kg

Total = 70kg

You can get the percentage of potassium in your body weight like this:

Potassium = 0.25 kg

Total = 70kg

Potassium fraction = potassium mass/total amount

Percent of Potassium = 0.25 / 70

Potassium fraction = 1/280

Therefore, the ratio of potassium in the body is 1/280.

Your question is incomplete but most probably your full question was

The human body contains many elements from the periodic table. It is mostly composed of oxygen and carbon, but trace

elements also have a significant role. The table gives the mass, in kilograms, of some elements found in the human body, based

on a 70.0 kg person.

Atomic number   Element     Mass (kg)

8                           oxygen        45.2

6                            carbon        12.6

1                           hydrogen       7.0

7                           nitrogen        2.2

20                          calcium        1.3

15                        phosphorus    0.78

19                         potassium      0.25

16                             sulfur          0.18

others                                         0.60

total                                             70,0

Potassium makes up what fraction of the mass of the human body?

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The level of organization in the human nervous system that represents a group of tissues working together is the organ level.

At this level, structures such as the brain and spinal cord, made up of multiple types of tissue such as neurons and supportive glial cells, work together to perform specific functions. For example, the brain is made up of multiple regions that work together to perform functions such as sensation, movement, and cognition. Similarly, the spinal cord, made up of gray and white matter, receives and transmits neural signals between the brain and the periphery. This level of organization is the foundation of the nervous system, where the different tissues work together to make sure the system runs smoothly.

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Answer:Images 1 and 4: atoms

Image 2 : compounds.

Image 3 (yellow doublets): molecules that are not compounds.

Explanation:

Answer:

The answer is

Explanation:

Drag each label to the correct location on the models. Each label can be used more than once.

Label each image as containing atoms only, molecules that are not compounds, or compounds.Drag each label to the correct location on the models. Each label can be used more than once.

Label each image as containing atoms only, molecules that are not compounds, or compounds.Drag each label to the correct location on the models. Each label can be used more than once.

Label each image as containing atoms only, molecules that are not compounds, or compounds.Drag each label to the correct location on the models. Each label can be used more than once.

Label each image as containing atoms only, molecules that are not compounds, or compounds.Drag each label to the correct location on the models. Each label can be used more than once.

Label each image as containing atoms only, molecules that are not compounds, or compounds.Drag each label to the correct location on the models. Each label can be used more than once.

Label each image as containing atoms only, molecules that are not compounds, or compounds.Drag each label to the correct location on the models. Each label can be used more than once.

Label each image as containing atoms only, molecules that are not compounds, or compounds.Drag each label to the correct location on the models. Each label can be used more than once.

Label each image as containing atoms only, molecules that are not compounds, or compounds.Drag each label to the correct location on the models. Each label can be used more than once.

Label each image as containing atoms only, molecules that are not compounds, or compounds.

To test to for the presence of sugar, the solution to be used is called the Benedicts Solution. The other solution to use is the Iodine solution.

Both Benedict's solution and iodine solution are commonly used to test for the presence of sugars and starch, respectively. By testing the mystery solution with both of these solutions, you can determine whether it contains sugar or starch, or both.

It is important to test the mystery solution with both Benedict's solution and iodine solution because different types of sugars and carbohydrates can have different chemical properties, and therefore may not be detected by a single testing solution. Lugol's iodine, commonly known as aqueous iodine or strong iodine solution, is a water-based solution containing potassium iodide and iodine.

Testing with multiple solutions helps to ensure a more accurate and complete analysis.

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Answer:

Eco-Friendly:

Use biomass instead of coal

Carpool

Compost

Use geothermal energy

Not Eco-Friendly:

Cut down trees

Turn lights on during the day

Explanation:

The term ecofriendly acitivties are those activities that do not destroy the environment .

The term ecofriendly acitivties are those activities that do not destroy the environment while non eco friendly activities are those activities that destroy the ecosystem.

The Eco-Friendly activities are:

The non Eco-Friendly activities are:

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Answer:

An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.

Explanation:

organelles membrane bound structure found within a cell......

bound in a double layer of phospholipids to insulate their little compartments within the larger cells just as a celll

Answer:

I believe it's A (dendrite), B (body), and then C (the end of the axon [name is escaping me])

A neuron is a basic nerve cell that builds the nervous system and transmits information throughout the body.

The transmission of information may be defined as the passing of information from one region of the neuron to another by various means.

Therefore, all the structures and functions of neurons are described above in a sequential manner.

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Rapid population growth can result in large increases in the infant mortality rate if there is a shortage of clean food and  clean water.

Infant mortality refers to the death of infants before they can pass through childhood into adulthood.

Infant mortality is affected by the following factors or conditions:

Considering how poulation affects infant mortality rate, it is observed that with a very high population to cater for, a nation's resources is stretched to adequately provide the necessary facilities for infant and maternity care. Infant mortality thus, increases. However, a lesser population means less competition for resources and infant mortality rate is low.

Therefore, infant mortality rate in developed countries but quite high in underdeveloped or developed countries.

In conclusion, the level of development will affect the infant mortality rate.

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Note that the complete question is given below:

Rapid population growth can result in large increases in the infant mortality rate if there is _blank_

A. A shortage of clean food and water

B. A higher consumption of goods and services ** my answer **

C. Deforestation

D. Increased migration

Answer:

B) decreases with greater distance from the Sun

Explanation:

Sun is the ultimate source of heat and light in our galaxy. The farther you get from it, the more colder you get.

The average temperature of the planets decreases with greater distance from the Sun. Thus, the correct option is B.

A planet is a celestial body which (a) is in orbit around the Sun, (b) has sufficient mass for its self gravity to overcome hard body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.

The farther away a planet is from the Sun, the colder the planet is. A planet far from the Sun can be hot if it has a high albedo. A planet far from the Sun can be hot if it has a high greenhouse effect.

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The spread of cancer cells to other locations in the body is known as Metastasis.

Metastasis is the condition were cancer breaks away from the place of their origin they travel from blood and lymph were they form new tumor cells .

The cancer that separate from one part of the body to other is Metastasis cancer. They are also known as stage  IV of cancer were it become highly contagious and spread with very fast pace. This metastasis of cancer brings most lethal consequences to the disease may considered as the last stage of disease .

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Answer:

Darwin observed that finches in the Galápagos Islands had different beak shapes which slightly varied among nearby islands  

Darwin observed that tortoises in the Galápagos Islands belonged to the same species, although they were slightly different on each island

Explanation:

Darwin's observations as described above enable him to develop his theory of natural selection. Darwin thought that species could change over time to adapt to their environments and suggested that new species could originate from similar species. Darwin observed that individuals in a given population exhibited variations and they proposed that these variations could be accumulated gradually over long time periods. Then, Darwin proposed his theory of natural selection to attempt to explain these observations: individuals whose variations gives them an adaptive advantage to survive in their environments have more chances to reproduce, thereby these individuals will have more representatives in the next generations. Subsequently, the accumulation of gradual changes (variations) will lead to new species being formed.

Rob is experiencing premature ejaculation, where he ejaculates seconds after penetration, causing strain in his relationships over the years. a form of sexual dysfunction. a) Rob is experiencing premature (early) ejaculation.

Rob is experiencing premature (early) ejaculation, which is a form of sexual dysfunction. Premature ejaculation is characterized by the inability to delay ejaculation during sexual activity, resulting in ejaculation occurring shortly after penetration or even before penetration.

This condition can lead to significant distress and strain on relationships, as described in Rob's case. Premature ejaculation can have various causes, including psychological factors such as anxiety, stress, or relationship issues, as well as physiological factors.

Treatment options for premature ejaculation may include behavioral techniques, such as the stop-start or squeeze technique, counseling or therapy, and in some cases, medications may be prescribed. It is important for Rob to consult with a healthcare professional to discuss his symptoms and explore appropriate treatment options for his condition.

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Answer:

Animals can step on rocks and break it into smaller pieces

Explanation:

Answer:

The correct answer is ''insufficient intracellular quantities of ATP due to excessive consumption''

Explanation:

The energy source for the muscle to contract efficiently is adenosine triphosphate (ATP). When ATP is metabolized, energy is obtained. Under normal conditions, the muscle has a sufficient energy reserve to support a limited time of maximum activity. When this reserve is depleted, the body activates other metabolic pathways to achieve more ATP. Glucose is activated first, then carbohydrates, and last - only if the exercise is prolonged - lipids (fats). The muscle, therefore, ends up transforming this ATP into the necessary energy.Whether our body uses more fat or more glucose / glycogen as fuel will depend, above all, on the intensity and duration of physical exercise. The body uses more fat the more gentle and prolonged the exercise; while, the more intense the sport, the more important the need for glycogen will be.Muscle fatigue is the inability or lack of strength to continue doing a certain activity. It happens when the muscles are not strong enough to continue. Specifically, when carrying out a physical activity, the active muscle requires oxygen and energy reserves of glycogen; When the intensity of the activity is increased, this need for oxygen increases, exceeding the levels that the transport system is capable of providing.This situation leads to the active muscle looking for another source of energy, increasing lactic acid which, in turn, it develops a metabolic acidosis that can lead to the breakdown of muscle fiber. ATP is obtained from the oxidative degradation of metabolic substrates such as muscle glycogen, serum glucose, free fatty acids originating from muscles or adipose tissue, being characteristic of muscle fiber, the consumption of ATP, and the production of ADP and Pi, much faster than it regenerates.

One turn of Calvin cycle fixs only one carbon (of the carbon dioxide). A molecule of glucose is made up of six carbon molecules. Therefore, six turns will be required for the synthesis of one molecule of glucose by Calvin cycle.

The three crucial phases of the light-independent processes in photosynthesis are referred to as the Calvin cycle.

The essential energy carriers (ATP and NADPH) are byproducts of light-dependent processes, therefore even while the Calvin Cycle does not directly depend on light, it does so indirectly.

Light-independent processes are started in fixation, the initial phase of the Calvin cycle, when CO2 is fixed from an inorganic to an organic molecule.

In the second step, 3-PGA is reduced into G3P using ATP and NADPH, and ATP and NADPH are subsequently changed into ADP and NADP+, respectively.

RuBP is renewed at the last step of the Calvin Cycle, allowing the system to get ready to fix additional CO2.

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