The cell cycle consists of an alternation between __________________, which appears as a period of dramatic activity under the microscope, and a preparative period called __________________, which consists of three phases called __________________, __________________, and __________________. During M phase, the nucleus divides in a process called __________________, and the cytoplasm splits in two in a process called __________________. The cell-cycle control system relies on sharp increases in the activities of regulatory proteins called __________________, or __________________, to trigger S phase and M phase. Inactivation of __________________ is required to exit from M phase after chromosome segregation.
- APC
- Cdks
- condensation
- cyclin-dependent kinases
- cytokinesis
- G2 phase
- interphase
- intraphase
- kinesins
- M phase
- metaphase
- microtubules
- mitosis
- myosins
- S phase
- G1 phase
- M-Cdk
- S-Cdk
- G1-Cdk
- meiosis

Answer:

Human stomach cells that secrete lots of digestive enzymes. = Lysosomes

Answer:

When the cell increases in size, the volume increases faster than the surface area, because volume is cubed where surface area is squared. When there is more volume and less surface area, diffusion takes longer and is less effective

Explanation:

Hope this could help- Good luck ^w

Answer:

differential survival ( more info below)

Explanation:

Natural selection is the differential survival and reproduction of individuals due to variations in phenotypes. This is a central process of evolution, a transition in the heritage characteristics characteristic of the population over centuries. Variation exists in all populations of organisms.

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B.to prepare learners for a discussion of a possible answers to this question

Answer:

The right answer is D

Explanation:

Here is my answer.

Answer:

C

Explanation:

Matter is what things are so lets say that a solid steel box has a mass of 40 kg. That would mean that it is made of matter simply because it exists.

Answer:

since the parasympathetic divison causes the heart rate to decrease and the sympathetic divison causes the heart rate to increase this is an example of antagonistic innervation

Explanation:

4 times as old means that one person is four times the age of the other person.

The phrase '4 times as old' is used to describe someone’s age relative to another person. It means that a particular person is 4 times the age of the other person.

For example, if one person is 8 years old and the other is 32 years old, the 32-year-old is considered to be 4 times as old as the 8-year-old.

To put it another way, the 8-year-old is a quarter of the age of the 32-year-old. It is important to note that this phrase only applies to age and cannot be used to measure any other type of comparison.

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Macrophages reside on the reticular fiber network within the lymph node's parenchyma, contributing to its vital role in immune surveillance and response.

Macrophages reside within the lymph node's parenchyma. The parenchyma refers to the functional tissue of an organ, in this case, the lymph node, which is responsible for carrying out its specialized functions. Within the parenchyma of the lymph node, a complex network of reticular fibers is present. These fibers form a supportive framework known as the reticular fiber network or reticulum.

Macrophages are a type of immune cell that plays a vital role in the body's defense mechanisms. They are strategically positioned within the lymph node's reticular fiber network, particularly in the areas called the medullary cords. The reticular fibers provide a scaffolding upon which the macrophages can reside, allowing them to interact with other immune cells, antigens, and lymphocytes that circulate through the lymph node.

The macrophages located on the reticular fiber network actively participate in immune responses within the lymph node. They engulf and process foreign substances, pathogens, and cellular debris, acting as phagocytes. Additionally, macrophages are involved in antigen presentation, the activation of T cells, and the production of cytokines to modulate immune responses.

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Ribosomal RNA (rRNA) is directly responsible for catalyzing the peptide bond between amino acids during translation.

Answer:

I would make a diagram of hkw each function works in the body.

This influence might be early puberty some examples are early growth such as height and his body parts, he would probably get really easily , and the numbers/measure of his sperm would increase.

The hypothalamus creates a number of neuroendocrine substances, or hormones. Gonadotropin-releasing hormone, or GnRH for short, is the most crucial hormone for reproduction. It is rhythmically released every 60 to 120 minutes.

The gonadotropins, luteinizing hormone and follicle-stimulating hormone, increase the production of sperm, eggs, and hormones in the body.

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Cell membrane is specialized for transport of materials into and out of the cell.

The cell membrane, also known as the plasma membrane, is a vital structure in cells that serves as a selective barrier, controlling the movement of substances into and out of the cell.

It is specialized for transport through the presence of various proteins and lipid components that facilitate the passage of specific molecules.

The cell membrane consists of a phospholipid bilayer with embedded proteins. These proteins, such as channels, carriers, and pumps, play essential roles in transporting ions, nutrients, and other molecules across the membrane.

Channels provide a passageway for specific substances to move freely, while carriers facilitate the transport of molecules by binding to them and undergoing conformational changes. Pumps actively transport molecules against their concentration gradient, requiring energy in the form of ATP.

The cell membrane also contains receptor proteins that allow the cell to communicate with its environment by binding to specific molecules, triggering cellular responses. This communication enables the cell to detect and respond to signals and regulate the transport of substances accordingly.

In summary, the cell membrane is specialized for material transport through its composition of phospholipids and proteins.

These components work together to selectively allow the passage of certain substances into and out of the cell, ensuring proper functioning and maintaining homeostasis.

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Answer:

circulatory, respiratory

Hope this helps!

Answer:

What is B  amino acids

By biuret test

Explanation:

A Biuret is a compound formed by heating urea to 180° C. When biuret is treated with dilute copper sulfate in alkaline condition, a purple colored compound is formed. This is the basis of biuret test widely used for identification of proteins and amino acids.

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Miss Hawaii

According to what you wish to educate them. You must keep in mind who you are speaking of. When trying to teach somebody about whatever it is you are trying to teach them, walk with easy so as not to harm their feelings. The said person may not be able to grasp readily or may not be able to do what you want to teach them. Never lose your temper and insult this individual or claim you are incapable of learning. Everyone has the capacity to learn, even if they suffer from a condition that makes them go more slowly than others.

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Eddie

The ability of Tc cells to initiate apoptosis in virally-infected cells and cancer cells is dependent on their ability to produce Perforin and Granzymes. These are the proteins that punch holes in the target cell membrane.

Tc cells are a subtype of lymphocytes (white blood cells) that play an important role in the immune system by identifying and killing virally infected and cancerous cells. When Tc cells identify a cell that needs to be eliminated, they attach themselves to the cell membrane of the target cell and release a mixture of proteins called granules into the intercellular space between the two cells.

The granules contain the two proteins, perforin and granzymes. Perforin is a protein that forms pores in the target cell membrane, while granzymes are enzymes that enter the target cell through the pores and initiate the process of programmed cell death, or apoptosis.

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On Earth, human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.

The small intestine is the target organ that receives dual innervation.  Dual innervation is the innervation given by both thoughtful and parasympathetic sensory systems.

The sympathetic and parasympathetic nervous systems both innervate the majority of visceral organs and parts of the gastrointestinal tract, like the small intestine. The spinal cord provides innervation to the small intestine.

Only the sympathetic nervous system supplies the innervation to the kidney. The afferent and efferent nerves are the nerves that supply kidney function.

The sympathetic or parasympathetic nervous systems innervate some of the effector organs, such as the sweat glands and coronary blood vessels. The parasympathetic cholinergic fibers innervate coronary blood vessels, while the sympathetic cholinergic fibers innervate sweat glands.

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Answer:

I am thinking that the answer might be  A. chemical

Explanation:

cellular respiration is a set of chemical reactions that cells use to change food,water, and oxygen into forms that is usable as energy for the cell. Photosynthesis is the process through which plants turn light energy into chemical energy.

Since the coast water is rising,it would be hard to find fresh water. The people would not be able to use the water,because it would be contaminated with bacteria. If all of the ice does melt,most of the fresh water will turn to salt water,and we would have to adapt to a new way of life. People would have to live on higher land,there would be no one to grow crops,and their would be no way that trees would survive,meaning we would not be able to breathe.The worst part of this all is that the Earth's temperature will sky rocket,and it will be so hot,the Earth will kinda be like a huge hurricane.(lol)

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-Nea

Answer:

C.  Increased severity of tropical storms

Explanation:

Due to increased water temp and increased evaporation

Answer:

A very fine grained type of massive gypsum is called alabaster which can be used in making ornaments and in carvings. Large quantities of rock gypsum are mined in Barber and Marshall Counties.

It is possible to carve ornaments out of gypsum because it basically consists of fine-grained particles which have a high ability to adhesion and resists one dries. It holds the particles compactly when it completely dries.

Gypsum may be defined as a type of soft sulfate mineral which is significantly composed of calcium sulfate dihydrate. It possesses the chemical formula CaSO4·2H2O. It is widely mined and is utilized as a fertilizer and as the main constituent in many forms of plaster, blackboard or sidewalk chalk, and drywall.

Due to having these specific characteristics, gypsum is widely used to make ornaments through the process of carving. It contains a substance that easily gives structure to any ornament like pots, glass, decorative items, etc.

Therefore, gypsum basically consists of fine-grained particles which have a high ability to adhesion and resists dries.

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Since the rate of flashing depends on the rate of reaction, it means that fireflies will flash slower during cold weather.

Temperature affects the rate of reaction such that reactions are faster at high temperatures and slower at low temperatures.

Thus, since the rate of flashing in fireflies depends on the rate of reaction, cold temperature means that the rate of flashing will be low as compared to warm temperature.

In other words, fireflies will flash lower during cold weather and vice versa.

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Explanation:

1) The male frogs croak to attract mates. They can also visually attract females by displaying vibrant colors. They compete by comparing who calls louder

2) This aids in survival because this ensures that only healthy frogs get to pass down their genes. Unhealthy frogs will not be selected by females. This is called sexual dimorphism

3) The hummingbird displays its impressive tails which they move around to attract females. They may perform aggressive movements against other competing males.

4) These strategies are very important to maintain a diverse and healthy population in a community of animals.

Answer:

photolysis is the process ny which chlorophyll molecules absorb light energy which is used to split water molecules into oxygen and hydrogen atoms

Answer:

D

Explanation:

It's d because  it shows it in the middle of the circle arrow thing.

Compound C is providing carbon and oxygen for sugar to make metabolic energy in photosynthesis, hence option c is correct.

Atmospheric carbon dioxide gas, often known as CO₂, is the reactant in photosynthesis that supplies the carbon atoms needed to create glucose.

Water is the other reactant in this chemical process and it supplies the hydrogen that glucose needs. Water and carbon dioxide both contribute to the synthesis of oxygen.

Through the method of cellular respiration, organisms combine oxygen with food molecules, driving the chemical-stored energy, compound C.

Therefore, these substances toward life-sustaining processes while excreting carbon dioxide and oxygen hence option c is correct.

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Answer: Climate change also increases the appearance of more violent weather phenomena, drought, fires, the death of animal and plant species, flooding from rivers and lakes, the creation of climate refugees and destruction of the food chain and economic resources, especially in developing countries.

Explanation: Hope this helps

Answer:

Gravitational potential energy = 493,920 J

Explanation:

Given:

Mass of car = 1,200 kg

Height = 42 m

Find:

Gravitational potential energy

Computation:

We know that;

Gravitational acceleration g = 9.8 m/s²

Gravitational potential energy = mgh

Gravitational potential energy = (1,200)(9.8)(42)

Gravitational potential energy = (11,760)(42)

Gravitational potential energy = 493,920 J

When glucose is metabolized to lactate in skeletal muscle, ATP is synthesized by substrate-level phosphorylation.

Substrate-level phosphorylation is a process in which a phosphate group is transferred from a high-energy molecule, such as phosphoenolpyruvate or 1,3-bisphosphoglycerate, to ADP, forming ATP. In the case of glycolysis in skeletal muscle, glucose is broken down into two pyruvate molecules, which are then converted to lactate. During the conversion of pyruvate to lactate, the enzyme lactate dehydrogenase catalyzes the transfer of a phosphate group from phosphoenolpyruvate to ADP, forming ATP.

In contrast, oxidative phosphorylation is the process by which ATP is synthesized in the mitochondria through the electron transport chain. This process requires oxygen and is not utilized during the conversion of glucose to lactate in skeletal muscle.

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