Which structure is found only in plant cells and
functions in the process of photosynthesis?

a) W
b) X
c) Y
d) Z

Thank you.

Answer:

vf

Explanation:

fg

Diptheria is a serious infection mainly caused by a specific type of bacteria. This diseases is associated to different symptoms.

This disease is caused by Corynebacterium diphtheriae, which is a specific type of bacteria. Moreover, this bacteria produces toxins and this is the cause of the symptoms.

This can be transmitted through saliva droplets from one infected person to a healthy person. Usually, symptoms appear within 5 days after getting the bacteria.

Although this disease has many symptoms, the most important ones are sore throat and gray lining on the throat and nearby areas.

Antibiotics and antitoxins are often used, but the best is to prevent it through vaccination.

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Checking for the presence of alpha, beta, and gamma particles will determine if nuclear reactions are taking place.

This reaction occurs when two or more nuclei fuse together to form a new one and is characterized by heat also.

Its unique property is the presence of radiations which is why the presence of alpha, beta, and gamma particles should be checked.

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A scientist can find out whether a nuclear reaction is taking place or not by inspecting the presence of alpha, beta, and gamma particles.

A nuclear reaction may be defined as a strategy in which the nucleus of an atom is transformed by being shattered apart or united with the nucleus of another atom.

The complete question is as follows:

Therefore, the correct option for this question is B. This is because the influential existence of these particles is a characteristic indicator of radioactive decay which means unstable atoms spontaneously experience a nuclear reaction.

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Hull fouling is an (a). unintentional introduction of nonnative species

Hull fouling can be defined as an unintentional act that transport species from one place to another by water vessels.

Hull fouling also mean the attachment of species to a water vessel which leads to an unknowing transportation of such species

In conclusion, Hull fouling is an unintentional introduction of nonnative species

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Answer:

a. unintentional

Explanation:

trust nerds

Answer:B

Explanation:

If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a positive charge.

This occurs when the neuron is completely depolarizes back and the cell gets back to the resting potential.

The inside of the cell temporarily has a positive charge which is why it was chosen as the most appropriate choice.

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If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a positive charge.

An action potential may be defined as a temporary alteration in the neuron's membrane potential induced by ions unexpectedly flowing in and out of the neuron.

The inside of the membrane becomes positive due to the influx of Na+ ions and efflux of K+ ions during the mechanism of electrical impulse.

Therefore, it is well described above.

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A eukaryotic chromosome consists of histones.

Eukaryotes posses pairs of linear of chromosomes and they are all contained in the nucleus of the cell, possessing characteristic forms.

Eukaryotic chromosomes consists of histones which are condensed and DNA surrounding nuclear proteins.

Therefore, a eukaryotic chromosome consists of histones.

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The main function of fungus’s hyphae is the Absorption of nutrients by the fluttery filaments that make up multicellular fungi are called hyphae. As they consume resources from a food source, they release enzymes.

The fluttery filaments that make up multicellular fungi are called hyphae. As they consume resources from a food source, they release enzymes. Chitin makes up the rigid cell wall of hyphae. In pursuit of more food sources, they spread out from a tip and continue to expand.

The substrate is broken down by digestive enzymes secreted by the hyphae, which makes it simpler for the fungus to absorb the nutrients it contains. The fungus has a very wide surface area compared to its volume, which indicates that it is in close contact with its surroundings.

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Answer: it’s A

Explanation: truss it is

Eukaryotes such as animal and plant cells differ from prokaryotes in that prokaryotes do not have either organelles or cell nuclei.

Prokaryotes are microorganisms characterized due they do not have organelles or cell nuclei.

Conversely, eukaryotes contain their genetic material compartmentalized into a cell nucleus.

In conclusion, Eukaryotes such as animal and plant cells differ from prokaryotes in that prokaryotes do not have either organelles or cell nuclei.

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A page is to a book as a gene is to a genome.

A gene is a fundamental unit of heredity and a DNA sequence that determines the production of a specific gene, which can be a RNA or protein.

However, the genome is the collection of or the total of all the DNA sequences in an organism.

Therefore, as a page which is a unit is to a book, so as the gene is to the genome.

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The blood types of the children formed from a woman with type A blood (genotype: AO) is married to a type B person (genotype: BO) is:

According to this question, a woman with genotype AO is crossed with a man of genotype BO.

This means the following cross will be performed:

AO × BO

The offsprings of this cross will have the following genotype:

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Answer:

The liger is a hybrid offspring of a male lion (Panthera leo) and a female tiger (Panthera tigris).

Explanation:

Alpha and beta particles lacks sufficient penetrating power for bulk sterilization

Bulk sterilization is a means of reducing contaminants using a vessels at a very high temperature.

Among the particles we have, alpha particles is known to have a low penetrating power compared to gamma radiation. Hence we can conclude that  alpha and beta particles lacks sufficient penetrating power for bulk sterilization.

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Answer:

D. BACTERIA IN PLANT ROOTS AND SOIL

Electroporation is a technique used for inserting DNA into cells

Electroporation is a physical transfection method that uses an electrical pulse to create temporary pores in cell membranes through which substances like nucleic acids can pass into cells.

Electroporation is highly efficient for the introduction of foreign genes into tissue culture cells, especially mammalian cells.

Hence, electroporation is a technique used for inserting DNA into cells

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Answer:

The significant decrease in mortality rates starting in the 17th century is due improved Hygiene, sanitation, healthcare.

Explanation:

Answer:

Air pollution will increase due to increased use of fossil fuels and the amount of natural space will decrease as suburban areas increase.

The answer of this query is discussed below:

The Calvin cycle converts airborne carbon molecules directly into plant material. Because plants are the foundation of the energy pyramid in most ecosystems, the Calvin cycle is crucial to their survival.

The carbon atoms needed for photosynthesis to create sugars are found in carbon dioxide. RuBP is initially combined with carbon dioxide, and RuBP is then renewed to complete the Calvin cycle.

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Answer:

Kingdom Protista

Explanation:

They have a nucleus, are multicellular, and prefer moist enviornments.

Explanation:

after a main glucose and the liver and level of blood glucose rise this successful course is guilt with by the glucose lenses which is the liver Converse glucose into glycogen for storage the glucose that is not stole is used to produce energy by a process called glycolysis

As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.

P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1, and FX, are bound by PsaA and PsaB.

As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.

Thus, the plant with the mutated psaB gene was dying.

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Heat is an example of Kinetic energy of matter, and temperature is the measure of this energy. So, the correct option is (D).

Thermal energy or heat is a type of energy that comes from the motion of atoms and molecules in a substance. It increases when these particles move faster.

Geothermal energy is the heat energy in the earth while kinetic energy is the energy stored in the motion of objects. Heat energy comes from a substance whose molecules and atoms are vibrating rapidly due to the increase in temperature.

Heat energy is another name for Thermal energy or Kinetic energy which is the energy of an object in motion. Since heat energy comes from moving particles. It is a form of kinetic energy.

Thus, heat is an example of Kinetic energy of matter, and temperature is the measure of this energy. So, the correct option is (D).

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Answer:

Technology plays an important role because it helps us deal with the complexities of life. Everyone having daily use over want or need.

Things technology helps with daily. ...

Communication. Nowadays we have phones and other devices that we can use to contact loved ones or people we need help from, unlike the old days.

Education. Some students use virtual school for a more flexible schedule or just o keep learning at home without a classroom or place to be needed.

Health. For example, MRI scan, CT scan, x-ray, or ultrasound are tech used at hospitals.

Internet searches. We can go to multiple research platforms and get answers to our questions from world experience or even find out abt our history.

House assets. Things like refrigerators, microwaves, stoves, lamps, fans/AC, TVs, tech assistants (If you have) and more.

Hope this helps but there's too many things to list!

Answer:

C. The spacing between particle increases.

Explanation:

The particles are given more energy and begin to vibrate faster when a solid is heated. As the atoms vibrate faster, spacing in between particle increases.

Anxiety is mental diseases, and therefore anxiety disorders probably exist in all human societies, though there likely are some differences in prevalence and in its expression.

Anxiety symptoms can manifest on a physical level, such as a feeling of tightness in the chest and tremors, or on an emotional level, such as the presence of negative thoughts, worry, insecurity or fear, for example, and usually several symptoms appear at the same time.

In this case, women are twice as likely to develop anxiety as men because the cultural issue, of activities that are left to the care of the woman: care for the house, with the children, with the family, regardless of whether she works or not

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Out of season fruit has either been imported from another country or grown in heated greenhouses. Either way, excess carbon emissions are created.

Answer:

Fruit And Vegetables out of season are mostly brought from other countries in most of the places

Explanation:

Hope It Helps!!

Answer:

HCO3

Explanation:

Answer:i believe the answer was D

Explanation:i think it is

The unknown multicellular organism with an endoskeleton most likely belongs to the kingdom Animalia. Thus, the correct option is C.

Kingdom may be defined as a taxonomic classification of the second-highest rank, just below the domain and above the phylum.

Endoskeleton is found in the kingdom Animalia and refers to the skeletons which are present inside the body of the organisms that provide structural support and protection and assist them in migration.

Therefore, the correct option is C.

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Answer:

The answer is enzymes..