How long does it take a jumbo jet to travel a distance of 2400 miles if they are traveling at an average speed of 400 miles/hr?

Answer:

The brainstem

Explanation:

The brainstem also controls your balance, coordination and reflexes.

The process that begins with the replication of DNA in the nucleus of a cell is cell division, which is present in option A, and in the cell division phase, the cell divides to form daughter cells.

Cell division is a process in which the cell first grows in the G1 phase of the cell cycle, then replicates DNA in the S phase, then enters the G2 phase, and finally enters the mitosis or cell division phase. The DNA replication starts in the S phase, and in this phase, the DNA divides to form two DNA strands, so that in the division phase, each daughter cell gets parental DNA.

Hence, the process that begins with the replication of DNA in the nucleus of a cell is cell division, which is present in option A, and in the cell division phase, the cell divides to form daughter cells.

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The combat against invasive species would maintain the integrity of the habitat.

An invasive specie is an introduced, nonnative organism  that spreads or widens its range away from the location of its introduction and has the potential to affect the environment, the economy, or human health is referred to as an invasive species.

Combat of invasive species focused on preventing the introduction and establishment of invasive species in new ecosystems, prevention efforts frequently entail stringent controls on the importation of plants and animals, early detection technologies, and public awareness campaigns.

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Answer:Chimpanzees are highly social. They live in communities of several dozen animals, led by an alpha male and his coalition of male allies. Research has shownthat male and female chimps have individual personalities, with females being more trusting and timid. Grooming is an important part of their social life,

Explanation:

The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.

Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.

Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

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Answer:

Below:

Explanation:

The central dogma of molecular biology is an explanation of the flow of genetic information within a biological system. It is often stated as "DNA makes RNA, and RNA makes protein".

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It's Muska.....  :)

Answer:

D-Glucose

Explanation:

Answer:is the 1st 1

Explanation:

Nucleotides play different roles such as being the building blocks of nucleic acids, energy storage, cellular signaling, enzymatic cofactors, etc.

In conclusion, nucleotides play different roles such as being the building blocks of nucleic acids, energy storage, cellular signaling, enzymatic cofactors, etc.

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option C virus

All the prokaryotes have a cell structure that includes nucleus, Golgi apparatus and ribosomes. prokaryotes survive in nature on their own or inside the body of the host. Viruses, on the other hand, lacks cellular structure and only consists of the genetic material which is multiplied by using host cell machinery

Answer: A

Explanation:because i said so

Answer: the discovery of a buried crater (about 200 km across) near Chicxulub, Mexico

The discovery of a buried crater (about 200 km across) near Chicxulub, Mexico.

Extinction is defined as the disappearance of an organism or a group of organisms as a result of environmental factors or changes in the members' evolutionary processes.

It can also be defined as an evolutionary process that causes a species or population to go extinct.

When there are no longer any living members of a certain animal or plant species anywhere in the globe, the species has become extinct.

Generally speaking, species disappear for the following reasons:

Thus the discovery of a buried crater (about 200 km across) near Chicxulub, Mexico.

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Answer:

Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body’s tissues and organs.

Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains.

Explanation:

Answer:

The Lipid Bilayer

Explanation:

The lipid bilayer has been firmly established as the universal basis for cell-membrane structure. It is easily seen by electron microscopy, although specialized techniques, such as x-ray diffraction and freeze-fracture electron microscopy, are needed to reveal the details of its organization. The bilayer structure is attributable to the special properties of the lipid molecules, which cause them to assemble spontaneously into bilayers even under simple artificial conditions.

Organisms process materials to gain energy for life processes through the process of metabolism.

Metabolism refers to the set of chemical reactions that occur within an organism to maintain life. It involves the conversion of nutrients, such as carbohydrates, fats, and proteins, into energy that can be used by cells. This energy is stored in the form of adenosine triphosphate (ATP), which serves as the primary energy currency of cells.

Metabolism includes two main processes: catabolism and anabolism. Catabolism involves the breakdown of complex molecules to release energy, while anabolism involves the synthesis of complex molecules using energy. Through the intricate network of metabolic pathways, organisms extract energy from their environment and utilize it to carry out various biological processes necessary for their survival and growth.

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Answer:

The correct option is ( have a respiratory system with spiracles connecting to tracheae).

Explanation:

The class INSECTA are under the phylum arthropoda which is the largest phylum in the animal kingdom. The insects are mainly land animals, they are widespread and adapted to all types of environment. They are also the only invertebrates that can fly. Examples of insects include: ants, butterflies, beetles, aphids and grasshoppers.

An insect has a well-defined head, thorax and an abdomen. The head had six segments and bears a pair of jointed antennae, compound eyes, simple eyes and mouthparts. The thorax had three segments, each bearing a pair of jointed walking legs. The abdomen has eleven segments and may have sensory and reproductive structures.

An insect carries out gaseous exchange by means of a network of open air tubes or TRACHEAE inside it's body. These tubes have openings called SPIRACLES to the exterior. Therefore the insects have an respiratory system with spiracles connecting to tracheae.

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True. The ability of a biological agent to enter and grow in a host is indeed referred to as pathogenicity.

Pathogenicity refers to the capability of a biological agent, such as a microorganism or virus, to enter and multiply within a host organism. It is an important characteristic that determines the ability of a pathogen to cause disease.

Pathogens have evolved various mechanisms to invade the host's tissues, evade the immune system, and exploit the host's resources to survive and reproduce. These mechanisms may include factors such as adhesion molecules, toxins, or immune evasion strategies.

Successful pathogens can cause a range of diseases, from mild infections to severe illnesses, depending on their pathogenicity. Understanding the pathogenicity of different agents is crucial for developing strategies to prevent, diagnose, and treat infectious diseases.

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cilia and flagella move using a system of proteins and microtubules that generate force and cause the structures to bend and move.

Flagella and cilia bend or move, imparting mobility to cells. These structures are tiny, hair-like appendages that protrude from the surface of the cell.

They are used by cells for movement or to move fluid over the surface of the cell. Cilia are shorter and more numerous than flagella, which are longer and less numerous.

Both structures move in a similar fashion and are powered by a complex system of proteins and microtubules.

Cilia and flagella move using a mechanism called dynein arms.

Dynein is a motor protein that drives the movement of the microtubules within the cilia or flagella.

The microtubules are arranged in a ring-like structure, with nine microtubule doublets surrounding a central pair.

The dynein arms attach to the outer doublets and use ATP to generate force, causing the microtubules to slide past each other.

This sliding motion causes the cilia or flagella to bend and move.

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Answer:

an organism

Explanation:

Answer:

Halogens are highly reactive, and they can be harmful or lethal to biological organisms in sufficient quantities. This reactivity is due to high electronegativity and high effective nuclear charge. Halogens can gain an electron by reacting with atoms of other elements. Fluorine is one of the most reactive elements.

Answer:

You can look that up  just found it

Explanation:

Answer:

Krebs Cycle (also known as the Citric Acid Cycle): Uses the pyruvate molecules from Glycolysis to generate 2 ATP as well as several molecules of FADH2 and NADH for the electron transport chain. Krebs Cycle takes place in the mitochondrial matrix and requires oxygen.

Answer:

Oxygen

Explanation:

The answer is Oxygen because the plants take in carbon dioxide and give out oxygen and oxygen is used by humans by cellular respiration

Oxygen is a waste product of photosynthesis that organisms require for cellular respiration. Therefore, the correct option is C.

Light-dependent activities in plants and other photosynthetic organisms result in the release of oxygen, a waste product of photosynthesis, into the environment. This oxygen is essential for cellular respiration because it helps organisms generate ATP, a source of energy. As the final electron acceptor in the electron transport chain during cellular respiration, oxygen assists in the oxidative phosphorylation process that produces ATP.

Therefore, the correct option is C.

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Your question is incomplete, most probably the complete question is:

Which of the following is a waste product of photosynthesis that organisms need for cellular respiration.

False. The terms "ventral" and "dorsal" have opposite meanings to the provided statement. "Ventral" refers to "toward the stomach" or "front," while "dorsal" refers to "toward the back" or "rear."

The statement is incorrect. In anatomical and biological contexts, the terms "ventral" and "dorsal" are used to describe the orientation or position of an organism or body part. "Ventral" refers to the front or belly side of an organism, while "dorsal" refers to the back or rear side. For example, in humans, the ventral side is the front side, facing the stomach or abdomen. The chest and abdomen are considered ventral regions. Conversely, the dorsal side is the back side, facing away from the stomach. The back and spine are examples of dorsal regions. Therefore, it is important to remember that "ventral" means "toward the stomach" or "front," while "dorsal" means "toward the back" or "rear" when describing the orientation or position of an organism or body part.

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An increase in the levels of fossil fuels results in higher carbon dioxide levels in the atmosphere. So the correct option is C.

The components of fossil fuels are decaying plants and animals. These fuels may be burnt to provide energy and can be found in the crust of the Earth. An example of fossil fuel is coal, as well as oil and natural gas.

Coal is a substance that is typically found in sedimentary rock formations, which are collections of rock, dead plant and animal materials, and layers of silt. A chunk of coal must contain more than 50% fossilized plant material.

Shale is one sedimentary rock type that contains oil in its native form. The thick oil that may be used to generate gasoline is created by heating this substance. Typically, pockets of natural gas can be found atop oil deposits. Additionally, sedimentary rock strata devoid of oil might contain it. Methane is the main component of natural gas.

Therefore, an increase in the burning of fossil fuels will result in higher carbon dioxide levels in the atmosphere. So the correct option is C.

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The hypoxemia , hypercapnia and decreased serum pH is responsible for respiratory failure in case of pneumothorax.

The respiratory failure occur only when partial pressure of  PO₂ is less than 50 mm Hg or hypoxemia. It can also be marked when PCO₂ is >50 mm Hg or hypercapnia condition and decreased serum pH below 7.3.

With each exhalation, more and more air becomes trapped in the pleural cavity, compromising the unaffected lung and ultimately leading to the failure of both lungs. This condition is known as pneumothorax.

Hence, respiratory failure occur due to decreased partial pressure of oxygen.

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