What cell organelle controls the activities of the entire cell?

Answer: A. Fibrous

A fibrous root is a root system that is found in the monocotyledonous plants. This root system forms extensive branching of the thin roots below the stem. This root system develop like a mat underground when the tree attains complete maturity, because of a mat like structure and strong holding capacity on the soil this root system helps in preventing the soil erosion.

Fibrous roots help stabilize soil from erosion because they grow in a network near the soil surface, holding onto the soil and preventing it from being eroded.

The root that helps stabilize soil from erosion is the Fibrous root. Unlike taproots, which grow deep into the soil, fibrous roots are shallow roots that spread out near the surface of the ground. These fibrous roots grow in a network that holds onto the soil, preventing it from being washed away by rain or blown away by wind. By doing so, fibrous roots play a significant role in soil conservation and prevention of soil erosion.

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The correct answer is cell differentiation

Every organism start as single cell and the single cells divide repeatedly to form adult organism. In the single, there is a DNA; it is the coding for the protein to be used by the adult organisms.

However, all the proteins will keep dividing and undergo a gene expression to become more specific cells. This process is knows as Cell differentiation.

Cell differentiation can be defined as the process in which a cell transforms from one cell type to another. The process involved in cell differentiation enables organisms such as multi-functional organisms to form functional cell types that are very unique and body plans.

The process of cell differentiation is largely motivated by genetics and the way it interacts with the environment.

The organism begins to form from a single cell and the single cell has all the DNA coding required for the proteins to be used by the adult organism.

However, the cells would seize to function if it expressed these proteins at once. For the cell to start the process of differentiation it must divide repeatedly, at this point, the cell line will start to form and the cells will become more and more specific.

As the cells become more and more specific, it will eventually form an organism that has many different cells from the process of cell differentiation.

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Answer:

Explanation:

There are differences between Eukaryotic and Prokaryotic cells. A Prokaryotic cell does not contain a nucleus. It only contains one chromosome and is a single-celled organism. It was the only form of life on earth for millions of years. Examples of a Prokaryotic cell are the different types of bacteria present today.  

A Eukaryotic cell contains a nucleus; more than one chromosome and is typically a multicelled organism.  Both plant and animal cells are eukaryotic cells, but there are differences between the two. A plant cell has a cell wall while an animal cell does not have a cell wall. A plant cell is a regular shape and an animal cell is an irregular shape. Both plant and animal cells have a nucleus. There are just a few examples of the differences between Eukaryotic and Prokaryotic cells.

Answer:

Turner's syndrome

Explanation:

Human females have 22 pair of autosomal chromosomesand an extra pair of sex chromosomes (XX).  What means that in normal conditions a female has 46 chromosomomes

Aneuploidy is a biological condition where an individual have an abnormal number of chromosomes. One type of aneuploidia is a monosomy, where there is only one chromosome from a pair.

The Turner syndrome is a monosomy in which the female is  missing one of the sex  X chromosome. Women with Turner syndrome are in most of cases infertile. Some of the Signs and symptoms related to thus syndrome are:  learning disability, no breast or hips normal development,  short stature , Small fingernails, etc.

Final answer:

Carbohydrates and lipids both contain carbon, hydrogen, and oxygen, but differ in that carbohydrates will dissolve in water while lipids will not due to their nonpolar hydrophobic characteristics. So the correct option is B.

Explanation:

One difference between carbohydrates and lipids is that carbohydrates will dissolve in water but not lipids. Lipids contain the same elements as carbohydrates, which are carbon, hydrogen, and oxygen. However, lipids are predominantly composed of hydrocarbon chains that are nonpolar and hydrophobic, meaning they do not dissolve well in water, whereas carbohydrates are generally polar molecules which can dissolve in water.

Both lipids and carbohydrates serve as sources of energy. However, they differ in how they store and provide this energy. Carbohydrates generally provide quick energy, while lipids store energy for long-term use. The solubility of lipids is different than that of carbohydrates due to their physical structure and the presence of fewer polar functional groups. Lipids are more soluble in organic solvents, like dichloromethane, due to their nonpolar nature.

The answer is:

C) The cell will die

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ATP becomes ADP through hydrolysis, which involves the breaking of a high-energy phosphate bond by the addition of water, releasing energy. This reaction is reversible; ATP can be regenerated from ADP and phosphate using energy from cellular respiration or photosynthesis.

ATP (adenosine triphosphate) becomes ADP (adenosine diphosphate) through a process called hydrolysis. This involves the addition of a water molecule (H2O) to ATP, which results in the breaking of one of its high-energy phosphate bonds. The reaction releases energy that the cell can use for various functions. Specifically, the equation for this reaction is ATP + H2O → ADP + Pi + energy. The inorganic phosphate released is denoted as Pi.

Cells can regenerate ATP from ADP and Pi by reversing the hydrolysis reaction. This reverse process, called phosphorylation, requires an input of energy. It can occur during cellular respiration or photosynthesis, where the energy is sourced from the breakdown of food or absorption of sunlight, respectively. The reverse equation is often expressed as ADP + Pi + free energy → ATP + H2O.

Those phosphate bonds in ATP are high energy because the phosphate groups have negative charges that repel each other. It takes energy to keep them together, and when the bond is broken, energy is released. This is why ATP is often referred to as the energy currency of the cell.

Answer:

Last option.

Explanation:

Photosynthesis can be defined as a process, by which photosynthetic organisms produce their own food (in the form of sugars), by using carbon dioxide and water. During photosynthesis, oxygen is released as a byproduct.

Cellular respiration involves breakdown of complex biomolecules (such as sugars) to produce energy in the form of ATP molecules. During cellular respiration, carbon dioxide, along with water are released as byproducts.

Thus, the correct answer is last option.

The statement 'photosynthesis produces oxygen, while cellular respiration produces carbon dioxide' is CORRECT.

Photosynthesis is a series of metabolic reactions by which plants and algae produce simple carbohydrates (sugars) and oxygen by using the energy from the sun, carbon dioxide and water.

Photosynthesis has two main types of reactions: light-dependent reactions and light-independent reactions.

Moreover, cellular respiration is a series of metabolic reactions by which eukaryotic cells produce energy in the form of ATP by using the energy stored in the chemical bonds from foods, oxygen and water.

Cellular respiration has three main stages: glycolysis, the citric cycle and oxidative phosphorylation.

In conclusion, the statement 'photosynthesis produces oxygen, while cellular respiration produces carbon dioxide' is CORRECT.

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Answer: Phototaxis

Explanation: Phototaxis is the phenomenon by which locomotory movement of the organism occurs towards or away from the stimulus of the light.

This is advantageous for the phototropic organism as they can move efficiently towards the sunlight which helps them to make food by the help of sunlight and other substances.

The phototaxis is called positive if the movement is towards sunlight and negative if the movement is against light.

Answer: d. They keep their leaves year round.

Plants in deciduous forests have special adaptations for survival in deciduous forests it depends upon the seasonal variations. In winters, because of lack of proper sunlight leaves are shed from the plants. As, without proper sunlight they are not able to conduct photosynthesis also the budding sites where the leaves originate also get blocked in order to prevent water loss through transpiration. Therefore, plants in deciduous forest does not keep their leaves year round.

Answer:

the answer is a:They are all made of eukaryotic cells.

Explanation:

A eukaryotic cell is any cell with a true nucleus and organelles. The nucleus contains the majority of the cell’s DNA and is the genetic hub of a eukaryotic cell.

Organelles are membrane bound structures found inside eukaryotic cells and they play a similar role to the organs in our bodies. Organelles perform certain roles to help the cell function more efficiently.

The type of cell that is capable of self-renewal is a stem cell. They can multiply indefinitely and develop into any type of cell in the body. There are two types of stem cells: embryonic and adult stem cells.

In biology, the type of cell that is capable of self-renewal is a stem cell. Stem cells have the unique ability to develop into any type of cell in the body. They also have the capability to multiply without limit, which is referred to as self-renewal. These features are what make stem cells vital for growth, healing, and replacement of damaged cells in our bodies.

There are two major types of stem cells: embryonic stem cells, taken from embryos and can transform into nearly any type of cell; and adult stem cells, located in specific organs and usually produce cell types for the specific organ they are found in.

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Answer: erosion control

Explanation:

Erosion is caused by a physical agent such as water, air or other. This results in the removal of the top layer of the soil.

Trees, terraces, contouring will control erosion. These will reduce the soil erosion by holding the soil.

Answer;

-Carbohydrates

Explanation;

-The body can store some of these fuels in a form that offers muscles an immediate source of energy. Carbohydrates, such as sugar and starch, for example, are readily broken down into glucose, the body's principal energy source. This is because carbohydrates take less energy to break bonds.

-Glucose can be used immediately as fuel, or can be sent to the liver and muscles and stored as glycogen. During exercise, muscle glycogen is converted back into glucose, which only the muscle fibers can use as fuel. The liver converts its glycogen back into glucose, too; however, it’s released directly into the bloodstream to maintain your blood sugar level.

The farming methods promoted by the California Ricelands Habitat Partnership are best described as beneficial to both farmers and wetland species because the foraging birds there eats the remains or leftover rice in the field and in turn overwhelm the ground making tilling additional.

This benefits both the birds and farmers as birds gain food from there and the farmers get a free tilling of their land.

James watson was the microbiologist who discoverd the DNA

The cell membrane maintains homeostasis by controlling the movement of substances in and out of the cell, allowing cells to change shape as needed and recognizing other cells for tissue and organ formation and immune response.

The cell membrane plays a crucial role in maintaining homeostasis within a cell. Homeostasis refers to a state of balance within a living organism, which is essential for the survival and functionality of its cells. A significant function of a cell's

plasma membrane

is to define the cell and determine its interaction with its environment. This membrane is selectively permeable, allowing it to control what substances enter or exit the cell.

Growth and dynamic homeostasis

are maintained through the constant movement of molecules across this membrane. The cell membrane must also be flexible to allow cells to change shape as required by their environment. Lastly, the surface of the plasma membrane carries markers for cell recognition, which is essential for tissue and organ formation, and the distinction between 'self' and 'non-self' in the immune response.

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Answer:

the answer is b

Explanation:

A geological fold where the youngest rock layer is at the center is known as a syncline, a concave-upward fold with beds dipping towards the center.

A fold where the youngest rock layer is in the center is called a syncline. In geological terms, a syncline is a trough-like or concave-upward fold in which the beds dip towards the fold's central axis. By contrast, anticlines are the opposite, where the oldest rock layers are in the center and the rock layers dip away from the central axis. Synclines often appear as 'U' shaped formations in the Earth's surface and are indicators of the relative ages of strata within folded rock formations.

It is most likely to happen in the sunny patch in terms of plant growth, is Seeds of sun-loving flowers will germinate and develop in it.

The marine organisms will regularly lower in wide variety due to the fact they depend upon coral reefs for their meals and shelter. They will begin death due to the shortage of meals and habitat.

If this continues, the entire marine atmosphere may be disturbed so one can in the long run kill the marine organisms. Seeds of sun-loving flowers will germinate and develop in it.

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