Which of these organelles is found in plant cells but not in animal cells

Answer:

CHARACTER

Explanation:

It is an inherited feature that varies from individual to individual. Genetic cross involving parents that differ in a single character is called a MONOHYBRID CROSS. Most human genes come in alternate versions called ALLELES.

Prosimians are a group of less-developed primates.

They are a group of primates with some less-developed features as compared to other primates.

The more developed primates are referred to as Simians and these include humans, apes, and monkeys.

Prosimians include both living and extinct animals such as the lemur, lorises, and galagos.

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It could be that group 3 was given a different sample entirely.

The class was divided into 4 groups, whereas, only 3 samples were to be weighed and compared.

Thus, it could be that group 3 was given another sample that is entirely different from the other groups.

If group 3 was actually given one of the 3 samples, it means that they made a mistake during weighing.

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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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The repair of the coronary vessel is called; Angioplasty

Coronary vessels or arteries are defined as the blood vessels that supply oxygen-rich blood to the heart muscle in order to keep it pumping.

Now when there is a damage to the coronary vessel, it is repaired by a procedure called Angioplasty. This procedure is used to open blocked coronary arteries caused by coronary artery disease.

Angioplasty restores blood flow to the heart muscle without open-heart surgery and can be done in an emergency setting such as a heart attack.

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The personnel must receive training to perform animal procedures before any procedures are performed on the animal.

The animals used for research and experiments should be taken care of in. such a way that they can be replaced, reduced and refined.

According to the animal guide policy, any scientist that would use an animal for a research work would have to undergo a training before performing any procedures on the animal.

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Answer:

The amniotic sac and its filling provide a liquid that surrounds

and cushions the fetus . It is a site of exchange of essential

substances, such as oxygen, between the umbilical cord and the

fetus. It allows the fetus to move freely within the walls of the

uterus. Buoyancy is also provided

The small intestine builds an important barrier against pathogens, but it has to absorb nutrients efficiently at the same time for optimum function.

A pathogen refers to living microorganisms that are capable of causing diseases and harm to their host. Thus, they include the following:

Basically, the small intestine has the ability to build an important barrier against pathogens. However, it has to absorb nutrients efficiently at the same time for optimum function of an organism.

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The catalase worked best at 37 °C because the temperature is optimal.

Enzymes are proteinous substances that are capable of speeding up the rate of biological reactions.

However, enzymes are very specific in actions and work best at a specific temperature range.

Below the temperature range, the activities of enzymes reduce and may even become denatured.

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Continuously facing towards the east also helps the flowers to heat up quickly. This gives them an advantage in pollination, as warm flowers attract insects. Therefore, in the plant's interest, the flower always faces the sun and is therefore always clearly visible to these important pollinators.

This property of facing the sun is mostly observed in young flowerheads and generally stops once the flower starts to mature. The phenomenon of flowers following the sun across the sky is called heliotropism.

The obvious reason for the flower following the sun would be to maximize photosynthesis.

Each sunflower plant has only one flower on its stem. Therefore, during pollination, the plant’s only means of reproducing must get noticed by pollinators. [A pollinator is anything that helps carry pollen from the male part of the flower to the female part of the same or another flower. The movement of pollen must occur for the plant to become fertilized and produce fruits, seeds, and young plants.] Continuously facing towards the east also helps the flowers to heat up quickly.

This gives them an advantage in pollination, as warm flowers attract insects. Therefore, in the plant’s interest, the flower always faces the sun and is therefore always clearly visible to these important pollinators.

When researchers compared mature flowers facing east with flowers that they had turned to face west, they made a remarkable observation. East-facing blooms attracted five times as many pollinating insects as west-facing ones. Sunflower has a clear advantage in terms of reproduction if it faces the sun.

- It is mainly young flower heads that exhibit this characteristic of heliotropism because younger flowers have green “bracts” that look like a mane.

- As sunflowers mature, this process comes to a halt. Overall growth slows, and the flower's circadian clock reacts most intensely to the sun's early morning rays than those later in the day. As a result, the blooms gradually stop tracking westward altogether.

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The correct description of the given molecule is C. Fatty Acid.

A typical fatty acid has a straight chain of carbon atoms. These atoms are then bonded with hydrogen atoms.

At the end of this line, there will be a -COOH bond and at the beginning, there is an H bond. This is what is depicted in the diagram so it must be a fatty acid molecule.

Options for this question include:

A. ribose

B. glucose

C. fatty acid

D. sucrose

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Answer:

C

Explanation:

i am god

The statement that leukocytes of the innate immune system are b cells, macrophages, and neutrophils is TRUE

The leukocytes of the innate immune system are mainly phagocytes, or phagocytic cells meaning “eating cell”, which describes what role phagocytes play in the immune response.

These phagocytes circulate the body, sort for potential threats such as bacteria and viruses, to engulf and destroy them.

Phagocytic cells of the innate immune system include the mast cells, B- cells, neutrophils and macrophages.

Therefore, the leukocytes of the innate immune system are b cells, macrophages, and neutrophils is TRUE

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1. How many cells are present and how many chromosomes are present in the cell at each stage?

start of Meiosis a parent cell that is diploid

end of Meiosis 1 when the chromosomes of each homologous pair arrive at opposing poles of the cell. 

end of Meiosis 2 four haploid daughter cells

Options:

A) Dinosaurs killed all other elephant species.

B) Asian and African elephants killed off other species of elephants.

C) Asian and African elephants adapted well to their environments.

Asian and African elephants adapted well to their environments. Thus, the correct option is C.

Environment of Antarctica is not suitable for elephants why?

The world's coldest location is Antarctica. Additionally, it is the windiest and driest. Almost the entire year, the continent is covered in snow. Due to the extremely harsh temperatures and lack of healthy soil, Antarctica is therefore unsuitable for raising elephants and cultivating crops. Elephants eat grass, while the entire continent of Antarctica is covered in snow. In this database, there are currently 25 (8,17) living elephants located in Australia.

Although they can be found in a variety of environments, including deserts, swamps, and highlands in tropical and subtropical areas of Africa and Asia, they are most frequently found in savannas, grasslands, and woodlands.

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The graph is indicating the wolf population has reached the phase where the number of population will remain same. The correct option is C.

A population is the number of people who live in the same location.

The graph is indicating the wolf population has reached the phase where the number of population will remain same.

Thus, the correct option is C.

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Eukaryotic is the characteristic most likely describes a mushroom but not Thermus aquaticus because it is a is prokaryotic organism.

Eukaryotic organisms are life forms that are characterized to have cell nuclei and membrane-bound organelles.

Eukaryotic organisms can be either unicellular or multicellular (e.g. plants and animals).

In conclusion, Eukaryotic is the characteristic most likely describes a mushroom but not the bacterium Thermus aquaticus.

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Answer:

C

Explanation:

The dependent variable is always the outcome, data, or what is being measured in an experiment.

This cycle is significantly affected by the extraction of fossil fuels an this is the carbon cycle.

It is saved in what are referred to as reservoirs, and it actions among those reservoirs thru a number of processes, which includes photosynthesis, burning fossil fuels, and actually liberating breath from the lungs. The motion of carbon from the reservoir to reservoir is referred to as the carbon cycle.

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The event that occurs at the end of the germinal period is the zygote being implanted in the uterus walls.

The germinal period is the phase ranging from fecundation to zygote implantation into the uterus.

This period (germinal phase) is characterized by the generation of a zygote from germinal cells.

In conclusion, the event that occurs at the end of the germinal period is the zygote being implanted in the uterus walls.

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A protein that is bound to a carbohydrate is called a  glycoprotein in this scenario.

This refers to a type of protein in which carbohydrate is covalently attached to it.

The presence of the glycan changes the properties of the protein such as the solubility etc.

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Answer:

got this from a website

Explanation:

Eliezer shares a silent, powerful moment of sadness and understanding with his father. For Yom Kippur, when Jews traditionally fast, his father forbids Eliezer from fasting. Eliezer no longer believes in such rituals, anyway.

it is a feeling of sadness

To write a report on the origin of life first identify the different theories and then use reliable sources to explain these theories.

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The tetanus infection is considered to be a Droplet infection.

Tetanus is a neurological disease which is characterized by the occurrence of spasms in the muscle.

Tetanus can be caused if initial care does not take place after the wound occurs and therefore, it is very important to immediately take care of the wound.

To treat the wound tetanus immunoglobulin and tetanus toxoids are given to the person, however, it is necessary to give the two injections using different syringes and at different sites, because the immunoglobulin can cause neutralization fo the toxoid.

Thus, this could be the answer.

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Answer:

Decay by microorganisms helps in enriching the fertility of the soil....

Explanation:

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When there are a lot of molecules in one place it is considered an area of high concentration.

The degree of concentration of an area is defined in terms of the amount of solute molecules in that particular area.

A concentration can either be high, low or even. A high concentration is that which has more solute molecules while a low concentration is that which has less solute molecules.

Therefore, it can be said that when there are a lot of molecules in one place it is considered an area of high concentration.

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The oval-shaped structures that can be found all over the slide are Nucleus.

The nucleus controls and holds the activities of the cell (e.g., growth and metabolism) and has the genes, and structures that include the hereditary data.

Nucleoli are miniature bodies often seen within the nucleus. The gel-like matrix in which the nuclear features are poised is the nucleoplasm.

Thus, oval-shaped structures that can be found all over the slide are Nucleus.

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Which of the following is true about Earth's freshwater, air, soil and trees?

A. Although these resources are renewable, their present benefits can be reduced if used carelessly.

B. Although these resources are renewable, they present very few benefits for humans.

C. These resources are nonrenewable, so humans must stop using them if they are to survive.

D. Although these resources are nonrenewable, humans don't have to worry about conserving them

Answer:

Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area.

Answer:

Biogeography

Explanation: