_____ is the flow of water through selectively permeable membranes. This goes from _____ to _____ concentration.

Answer:

2. Hip bones

Explanation:

More than 40 million years ago, whales had ancestors who walked on land. Even now, they have a feature they inherited from them - hip bones. Scientists used to think that they are vestigial, i.e. that they lost their function. However, recently they discovered that these bones help whales (and other marine mammals who have them, such as dolphins) maneuver better mating.

Whales developed the rest of the listed features later, when they became marine animals. This is why they are incorrect.

Answer:

gain-of-function

Explanation:

Gain-of-function mutations represent a type of genetic change that may confer a new function to the gene that undergoes the mutation. In this case, a gain-of-function mutation conferred to the virus an adaptive advantage by allowing it to encode a new protein which is capable of attaching to the cell membrane of a new host. In this regard, it is important to note that loss-of-function mutations are quite common in nature, while gain-of-function mutations are relatively rare.

Answer:

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The process of digestion has three stages: the cephalic phase, the gastric phase, and the intestinal phase.

The first stage, the cephalic phase of digestion, begins with gastric secretions in response to the sight and smell of food. This stage includes the mechanical breakdown of food by chewing, and the chemical breakdown by digestive enzymes, that takes place in the mouth.

Saliva contains digestive enzymes called amylase, and lingual lipase, secreted by the salivary glands and serous glands on the tongue. The enzymes start to break down the food in the mouth. Chewing, in which the food is mixed with saliva, begins the mechanical process of digestion. This produces a bolus which can be swallowed down the esophagus to enter the stomach.

The second stage of digestion then begins in the stomach with the gastric phase of digestion. Here the food is further broken down by mixing with gastric acid until it passes into the duodenum, the first part of the small intestine.

The third stage begins in the duodenum with the intestinal phase of digestion, where partially digested food is mixed with a number of enzymes produced by the pancreas. Digestion is helped by the chewing of food carried out by the muscles of mastication, the tongue, and the teeth, and also by the contractions of peristalsis, and segmentation. Gastric acid, and the production of mucus in the stomach, are essential for the continuation of digestion.

Peristalsis is the rhythmic contraction of muscles that begins in the esophagus and continues along the wall of the stomach and the rest of the gastrointestinal tract. This initially results in the production of chyme which when fully broken down in the small intestine is absorbed as chyle into the lymphatic system. Most of the digestion of food takes place in the small intestine. Water and some minerals are reabsorbed back into the blood in the colon of the large intestine. The waste products of digestion (feces) are defecated from the rectum via the anus.

Answer:A) the  fossil  records shows that organisms have changed  very little over time

Explanation:

Answer:

Carbohydrates: molecules composed of sugar monomers. They are necessary for energy storage. Carbohydrates are also called saccharides and their monomers are called monosaccharides. Glucose is an important monosaccharide that is broken down during cellular respiration to be used as an energy source.

Explanation:

PA BRAINLIEST

HOPE ITS HELP

GOD BLESS

#HELPING IS CARING

Answer:

(a) The arteries supplying the heart muscle are known as coronary arteries. These arteries can become diseased due to a condition called coronary artery disease (CAD). CAD is primarily caused by atherosclerosis, which is the buildup of plaque inside the arteries. Plaque consists of cholesterol, fatty deposits, calcium, and other substances that gradually accumulate on the inner walls of the arteries. Over time, this buildup narrows the coronary arteries and restricts blood flow to the heart muscle. The plaque can also rupture, leading to the formation of blood clots that can further block the arteries and cause a heart attack.

(b) During an operation on the diseased coronary arteries, a patient is put on a heart-lung machine, also known as a cardiopulmonary bypass machine. The heart-lung machine takes over the functions of the heart and lungs during the operation. It allows the surgeon to stop the patient's heart temporarily and redirect the blood flow away from the heart, enabling them to perform the necessary procedures on the coronary arteries.

Explanation:

The heart-lung machine consists of a pump, an oxygenator, and a heat exchanger. The pump maintains blood circulation throughout the body, while the oxygenator adds oxygen to the blood and removes carbon dioxide, functioning as an artificial lung. The heat exchanger helps regulate the temperature of the blood as it circulates through the machine.

By diverting blood away from the heart, the heart-lung machine provides a bloodless and motionless surgical field, allowing the surgeon to perform intricate procedures on the coronary arteries without the interference of a beating heart. This ensures greater precision and safety during the operation. Once the surgical procedures are complete, the heart-lung machine is gradually weaned off, and the patient's heart resumes its normal function.

These are four pieces of information that I intend to use in my paper about cancer:

I will be using these four pieces of information to provide a general overview of cancer in my paper. I will also be using specific examples to illustrate the points that I am making. For example, I will be discussing the different types of cancer, the symptoms of cancer, and the treatment options for cancer.

I will be using the following reading strategies to take notes from the sources that I have identified:

Active reading: I will be actively reading the sources by highlighting important information, taking notes, and asking questions.

Critical thinking: I will be thinking critically about the information that I am reading by evaluating the sources, identifying bias, and considering alternative viewpoints.

Synthesis: I will be synthesizing the information from the sources by creating a central idea and supporting it with evidence from the sources.

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The body and blood of Jesus are symbolized with the chi-rho symbol

Chi Rho represents an early illustration of the relationship between Jesus' Crucifixion and Resurrection. An ancient Christian symbol is known as Chi Rho, pronounced "KEE-roe," is created by joining the first two letters of the Greek word Christos, which means "Christ." Early Christians used the Chi Rho symbol to represent both Jesus Christ and Christianity. Prior to the Battle of the Milivian Bridge outside of Rome in 312 AD, Constantine reportedly had a vision in which the Chi Rho symbol appeared. The monarch then had his soldiers' shields etched with the insignia. Constantine legalized Christianity throughout his kingdom after winning the conflict. Since then, he had made frequent use of the Chi Rho sign. Later Christian emperors also employed the Chi Rho as a vexillum they termed the Labarum. The coins of Constantine and his successors used this symbol.

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Explanation:

petri dish is a small shallow dish of thin glass or plastic with a loose cover used especially for cultures in bacteriology.

Answer:

A Petri dish is a shallow transparent lidded dish that biologists use to hold growth medium in which cells can be cultured, originally, cells of bacteria, fungi and small mosses.

The type of rapidly adapting touch receptor among the given choices is Meissner corpuscle. The correct option is A.

Meissner corpuscles are rapidly adapting touch receptors that primarily respond to light touch, vibrations, and texture. They are responsible for our ability to sense fine details and changes in tactile stimuli.

Rapidly adapting touch receptors are specialized nerve endings that are highly sensitive to changes in mechanical stimuli, such as pressure or vibration. They are responsible for detecting light touch and changes in texture on the surface of the skin.

There are several types of rapidly adapting touch receptors, including Meissner corpuscles, Merkel discs, and Pacinian corpuscles.

Meissner corpuscles are found in the upper layers of the skin, particularly in the fingertips, palms, and soles of the feet. They are oval-shaped structures that consist of a cluster of nerve endings surrounded by connective tissue.

Meissner corpuscles are highly sensitive to changes in texture and direction of movement, making them important for tasks such as tactile discrimination and object recognition.

Merkel discs are also found in the skin and are involved in the perception of light touch. They are located in the epidermis and are composed of a single sensory nerve ending and specialized cells called Merkel cells. Merkel discs are important for tasks such as detecting fine spatial details and texture discrimination.

Pacinian corpuscles are another type of rapidly adapting touch receptor, but they are less important for light touch and more sensitive to vibration and deep pressure. They are found in deeper layers of the skin and are particularly abundant in areas such as the fingertips and soles of the feet.

In summary, while all of the choices listed are types of touch receptors, the specific type that is considered a rapidly adapting touch receptor is Meissner corpuscle.

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The correct statement regarding enzymes is: 2. Enzymes lower the amount of activation energy needed for a reaction to take place.

Enzymes are specialized proteins that play a crucial role in facilitating biochemical reactions in living organisms. Let's evaluate each statement to determine which ones apply to enzymes:

Enzymes do not selectively catalyze reactions that release energy or consume energy. Enzymes can catalyze both types of reactions, including those that release energy (exergonic reactions) and those that consume energy (endergonic reactions). Therefore, statement 1 is not entirely accurate.

Enzymes do indeed lower the amount of activation energy required for a reaction to occur. By binding to the reactant molecules, enzymes stabilize the transition state, which reduces the energy barrier that must be overcome for the reaction to proceed. This statement is correct.

Enzymes are not consumed during the catalytic process. They facilitate the reaction by providing an alternative reaction pathway but remain unchanged at the end of the reaction. Consequently, statement 3 is incorrect.

Enzymes do not reduce the energy released by a reaction. Instead, they lower the activation energy required for the reaction to proceed. This statement is incorrect.

Enzymes do not increase the amount of energy necessary to initiate a reaction. On the contrary, enzymes lower the activation energy, making it easier for the reaction to start. Therefore, statement 5 is incorrect.

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Answer: use an elephant as your s species

Then discuss its life history

(Could not see the rest of the sentence clearly)

Explanation:

Answer: Ectotherms depend on external heat sources. Their body temperature changes with the temperature of the environment. Endotherms generated heat internally to maintain body temperature.

Explanation:

The most common type of distribution pattern(s) in nature is(are) b. Random c. Cluster.

In general , the Individuals of population are distributed on the basis three basic patterns also known as uniform, random, or clumped. They can be distributed as uniform, random, or clumped pattern. Uniform patterns  means when the population is evenly spaced, random pattern includes random distribution, and clumped states that the population is distributed in clusters.

Hence , Distribution patterns, is referred as species distribution, describe how a species is spread out in the area they occupy. This dimensional distribution of organisms is studied with biogeographers. Also , the Clumped distribution is the most common type of dispersion found in nature.

Hence , b,c are the correct option

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Answer:

rabbit, both mice and the snake

Explanation:

the food chain is a transfer of energy between organisms, if it has a direct arrow, it is eaten by the organism being pointed to. Hope this helps!

Answer:

There are about 300 different types of species, but we've not explored even more than 50% of the ocean

Explanation:

Answer:

300

Explanation:

The factor that contributes to the formation of tides that turn turbines to create energy in the ocean is Earth's rotation.

Tidal energy is a type of renewable energy that is generated by the movement of water due to the gravitational forces of the moon and the sun.

As the Earth rotates, the gravitational forces of the moon and the sun cause the water in the ocean to move, creating tides that rise and fall twice a day.

This movement of water can be harnessed by turbines, which are placed in areas of high tidal flow. As the tides move in and out, the turbines spin, generating electricity that can be used to power homes and businesses.

While factors such as wind speed, water density, and water temperature can all affect the movement of water in the ocean, they are not the primary factors that contribute to the formation of tides.

The tides are primarily driven by the gravitational forces of the moon and the sun, which cause the water to move in a predictable pattern that can be harnessed for energy generation.

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Answer:

a

Explanation:

Answer:

C) They were originally deposited horizontally.

Explanation:

Answer:

La respuestas correctas son descritas en la sección de explicación

Explanation:

Homeostasis se define como un estado de relativa estabilidad dentro del medio interno de un organismo, teniendo composición y propiedades definidas dentro de un rango, las cuales deben ser cumplidas para asegurar el correcto funcionamiento del medio interno. Es precisamente el asegurar el correcto funcionamiento lo que hace importante que las condiciones internas permanezcan dentro de un rango constante. Por ejemplo, si la concentración de iones en la sangre es elevada las células pueden deshidratarse y encogerse hasta morir; o bien si la concentración de iones es baja las células pueden hincharse hasta explotar.

Answer:

the answer is D) earthquakes

Explanation:

soil erosion involves taking away of the top layer of the soil.... as for earthquakes.. these are caused by tilting and sliding of tectonic plates of which soil erosion takes no place in causing such actions

Answer:

Option D) Earthquakes.

Is your answer.

Explanation:

Hope you have a great day.

The two biomes that are most widely distributed and found on the highest number of different continents are desert and temperate grasslands.

Both of these biomes are found on every continent except for Antarctica, and they cover large areas of land. Deserts are found in areas with low rainfall, and they can be hot or cold depending on their location.

Temperate grasslands are characterized by their grassy plains and lack of trees, and they are found in areas with moderate rainfall and seasonal variations in temperature. These two biomes have adapted to survive in harsh environments and are home to a diverse range of plant and animal species.

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Answer: Climate Change will always bring Pests/insects

Explanation: Pests and Insects migrate to better climate balanced areas when the climate in their habitat has changed and it's best to maintain crops from pests and insects but to be honest they will always come.

Answer: In mitosis a cell divides to form two identical daughter cells. It is important that the daughter cells have a copy of every chromosome, so the process involves copying the chromosomes first and then carefully separating the copies to give each new cell a full set. Before mitosis, the chromosomes are copied.

Answer:

Uses oxygen and ATP molecules as reactants

Explanation:

Took the test (;

Answer:

A homeboy I need the answer too H

Explanation:

Answer:

an aqueous solution of hydrogen chloride HCl that is a strong corrosive irritating acid, is normally present in dilute form in gastric juice, and is widely used in industry and in the laboratory.

Explanation:

Answer:

Explanation:

Mutation is a sudden heritable change in the genome of an organism.

Substitution is a form of mutation whereby a base pair is been substitued for by another base pair resulting in a serious damage.

Codon are three alphabeth coding for a particular amino acid.

When substitution occurs in a base pair and the replacement forms a protein that has the same function as the one that was removed there will be no observable in the phenotype. Hence, If the adenine in the 15th position of the sequence is changed to a guanine, the person may not have cystic fibrosis.

But when a particular base pair is substituted for and an entirely new protein or amino acids results with a different functions and structure it could lead to a serious damage or healthy issue. Hence, If the adenine in the 15th position of the sequence is changed to a guanine, the person does have cystic fibrosis.

The biceps femoris, semitendinosus, and semimembranosus at the back of the thigh make up the D. Hamstring group.

The biceps femoris, semitendinosus, and semimembranosus muscles are part of the hamstring group located at the posterior (back) side of the thigh. Together, they form a distinct muscle group known as the hamstrings. These muscles are named based on their characteristics and attachments.

The biceps femoris muscle is the most lateral muscle of the hamstring group. It consists of a long head and a short head, which originate from different locations on the hip bone. The semitendinosus muscle lies in the middle, while the semimembranosus muscle is the most medial muscle of the group. Both the semitendinosus and semimembranosus muscles originate from the ischial tuberosity, a bony prominence in the pelvis.

The hamstrings have important functions in movement and stability. They are primarily responsible for flexing the knee joint, which involves bending the leg at the knee. During activities such as walking, running, or kicking, the hamstrings contract to bring the lower leg closer to the buttocks. This action is essential for propelling the body forward and generating force.

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Answer:

Bacterial cells do not have a nucleus. They also lack membrane-bound organelles, such as mitochondria or chloroplasts. The DNA of a bacterial cell is also different from a eukaryotic cell.

Explanation:

Eukaryotic cells are by definition those that have a membrane-bound nucleus, a morphological component that is absent from bacterial and archaeal cells.

Eukaryotic cells are distinguished by numerous membrane-bound structures in addition to the nucleus, including the endoplasmic reticulum, Golgi apparatus, chloroplasts, mitochondria, and others.

Prokaryotic cells lack membrane-bound structures, whereas eukaryotic cells do, including the nucleus.

The existence of mitochondria and chloroplasts, the cell wall, and the makeup of chromosomal DNA are all examples of differences between the cellular structures of prokaryotes and eukaryotes.

Therefore, prokaryotic cells are the name for bacteria's cells. Eukaryotic cells are cells that are found in mammals, plants, and fungi.

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Answer: all of the answers should be correct

Explanation:

- there is mostly oxygen in the atmosphere although there are many other types f gasses such as methane and carbon dioxide

- the water cycle requires the atmosphere as a part therefore recycling water

- the layer protects us from very harmful uv rays that can cause cancer to the skin

- the rest are self explanatory

Answer:

1 False. It is made mostly of Nitrogen

2 True  It does recycle water

3 True.  It does protect the earth from harmful radiation

4 True. It does reduce the temperature extremes between day and night

5 True. It recycles Carbon dioxide and oxygen

Explanation:

I had this on my quiz

For number 2: It is a part of recycling water, so if this is wrong then oof

WARNING: I haven't finished my quiz so ill let you know when im done/ and what the results are:)