A structure that performs a specialized function within a cell is known as
A) a tissue
B) an organ
C) an organelle
D) a system

Earthen materials are worn away during erosion, a geological process in which they are moved by wind or water.

Earthen materials are worn away during erosion, a geological process in which they are moved by wind or water. Weathering, a related process that does not involve movement, dissolves or breaks down rock.

The geological process by which earthen elements are deposited, or built up, on a landform, is called deposition. Erosion is the opposite of deposition. Most erosion is caused by ice, wind, or flowing water (usually in the form of a glacier).

Erosion occurs when the water or glacier ice is murky, the wind is dusty, or both. The brown tint shows that soil and rock fragments are being transferred from one location to another while suspended in the fluid (air or water).

Therefore, Earthen materials are worn away during erosion, a geological process in which they are moved by wind or water.

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In a population that is growing, there are likely to be a number of demographic and genetic changes occurring over time. Demographically, a growing population is characterized by an increase in the total number of individuals.

This increase may be due to factors such as high birth rates, low death rates, and immigration. As the population grows, there may be an increase in competition for resources, which can lead to changes in behavior and adaptations in individuals.

Genetically, a growing population may experience an increase in genetic diversity over time. As new mutations arise and are passed on to offspring, the population's gene pool becomes more diverse. This can be beneficial for the population as a whole, as it increases the potential for adaptation to changing environmental conditions.

However, a growing population may also experience challenges, such as overcrowding and resource depletion. In some cases, these challenges may lead to negative impacts on the population, such as increased disease transmission or reduced reproductive success. Overall, a growing population is likely to experience both opportunities and challenges as it continues to expand.

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Answer:

Nucleus and Cell membrane

If u dont believe me search it up.

Answer:

Nucleus and Cell membrane

Explanation:

Answer:

1) b) hypotonic

2) a) hypertonic

3) a) water

4) a) B to A

5) c) osmosis

Explanation:

We have two compartments with water (A) and a solution in which the solvent is water and the solute is starch (B). The solutions are separated by a semipermeable membrane, which means that only the water molecules pass through the membrane.

1) In comparison with B, compartment A has a lesser amount of solute so it is hypotonic.

2) In comparison with A, compartment B has more solute (starch) so it is hypertonic.

3) The solvent is water, which dissolves the solute (starch).

4) Only the water molecules will pass through the membrane, and the molecules always move from the compartment with a higher concentration of solute (B) to the compartment with a lesser concentration of solute (A). So, the water moves from B to A.

5) The process in which the molecules of solvent move from a more concentrated solution to a less concentrated solution through a semi-permeable membrane is called osmosis.

Answer:

balanced forces dont result in a change of motion. Unbalanced forces always result in a change of motion

if the forces applied are different amounts of newton's it causes an unbalanced force changing motion or even direction

To grow photoheterotrophs in a lab experiment, you would need to provide a light source as the energy source.

Photoheterotrophs are bacteria that use organic compounds as a carbon source, but they require light as a source of energy.

There are different types of light sources that can be used depending on the specific needs of the photoheterotrophic bacteria. For example, some photoheterotrophs may require specific wavelengths of light, such as blue or red light, to carry out photosynthesis. Other photoheterotrophs may be more flexible and able to use a wider range of wavelengths.

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Answer:

Hope Helps!:)

Answer:

Adrenaline is a hormone that prepares your sympathetic nervous system to fight or flee, and your body makes it in response to a stressor or threat.

Explanation:

Adrenaline is a hormone (aka epinephrine) that is released by the adrenal glands to prepare muscles for exertion. Anyone can experience adrenaline if they are angry, frightened, or excited, which causes that person to have an increased heart rate, which helps to prepare the body to react to danger. This also helps with the 'fight or flight' response.

Adrenaline is usually produced by both the adrenal glands and by a small number of neurons located in the medulla oblongata. The adrenal glands are located at the top of each kidney in the human body.

Lysosomes are involved in phagocytosis, which is the process by which cells engulf foreign materials. Once inside the cell, the lysosomes break down and digest these materials.

Lysosomes are organelles present in eukaryotic cells and their functions are explained below:

1. Breakdown of macromolecules: Lysosomes are responsible for breaking down the macromolecules that have been brought into the cell.

2. Recycling: Lysosomes digest and remove the damaged organelles and recycle the molecules from them. This is an essential process for the cell to function properly.

3. Apoptosis: When a cell is programmed to die (apoptosis), lysosomes rupture, releasing enzymes that break down the cell’s own proteins and other components.

4. Defense against infections: Lysosomes work in conjunction with other organelles to fight off infections. They contain hydrolytic enzymes that can break down bacteria, viruses, and other pathogens.

5. Digestion of phagocytosed materials: Lysosomes are involved in phagocytosis, which is the process by which cells engulf foreign materials. Once inside the cell, the lysosomes break down and digest these materials.

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Answer:

Did you misspell because I'm not sure I understand the question

Explanation:

Answer:

a

Explanation:

Ribosomes would be distributed throughout a prokaryotic cell, but would be found restricted to the nucleus of an eukaryotic cell.

Eukaryotic cells have a distinct nucleus that separates the genetic material from the cytoplasm, which is where ribosomes are located in prokaryotic cells. The DNA in eukaryotic cells is packaged into chromosomes within the nucleus, while prokaryotic cells have a single circular chromosome located in the cytoplasm.

The cell membrane is present in both prokaryotic and eukaryotic cells, but chloroplasts are only present in eukaryotic cells that have the ability to perform photosynthesis, such as plant cells.

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Answer:

YOUR ANSWER IS

Explanation:

to use a hand on method to develop an understanding of the mechanisim of meiosis using an organisum

The female reproductive system is made up of the following structures; Ovaries, Fallopian tubes, Uterus, Cervix and Vagina.

Ovaries: The ovaries are two small, oval-shaped organs located in the pelvis. The ovaries produce eggs (ova) and hormones, including estrogen and progesterone.

Fallopian tubes: The fallopian tubes are two narrow tubes that connect the ovaries to the uterus. The fallopian tubes allow the eggs to travel from the ovaries to the uterus.

Uterus: The uterus is a muscular organ that is located in the pelvis. The uterus is where a fetus grows during pregnancy.

Cervix: The cervix is the narrow opening at the bottom of the uterus. The cervix connects the uterus to the vagina.

Vagina: The vagina is a muscular tube that connects the cervix to the outside of the body. The vagina is used for sexual intercourse and childbirth.

The functions of the female reproductive system include:

Producing eggs: The ovaries produce eggs (ova) on a monthly basis.

Producing hormones: The ovaries produce hormones, including estrogen and progesterone. Estrogen and progesterone are responsible for the development of secondary sex characteristics, such as breasts and hips, and for the regulation of the menstrual cycle.

Providing a place for a fetus to grow: The uterus provides a safe place for a fetus to grow during pregnancy.

Giving birth: The vagina is used for childbirth.

2. The ovaries produce the following hormones:

3. The menstrual cycle is a monthly cycle of changes in the female reproductive system. The menstrual cycle is divided into four phases:

4. Definitions:

a. Menopause: Menopause is the natural cessation of menstruation. Menopause usually occurs between the ages of 45 and 55.

b. Mastectomy: Mastectomy is the surgical removal of one or both breasts. Mastectomy is often performed as a treatment for breast cancer.

c. Salpingitis: Salpingitis is an inflammation of the fallopian tubes. Salpingitis is often caused by a sexually transmitted infection (STI).

d. Ectopic pregnancy: Ectopic pregnancy is a pregnancy that occurs outside of the uterus. Ectopic pregnancies are often life-threatening.

e. Hysterectomy: Hysterectomy is the surgical removal of the uterus. Hysterectomy is often performed as a treatment for uterine fibroids, endometriosis, or heavy menstrual bleeding.

f. Amenorrhea: Amenorrhea is the absence of menstruation. Amenorrhea can be caused by a variety of factors, including pregnancy, menopause, and hormonal imbalances.

g. Dilatation and curettage (D&C): D&C is a medical procedure that is used to remove tissue from the uterus. D&C is often performed to diagnose or treat a medical condition, such as an abnormal uterine bleeding.

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The blood passes from the vessels into the sinuses in the open circulatory system.

Answer:

The lac repressor

Explanation:

In prokaryotic cells, an operon is a set of genes under the control of a single promoter which are transcribed together as a single messenger RNA (mRNA). In Escherichia coli, the lac operon is an operon containing genes involved in lactose metabolism, which is expressed when lactose is present and glucose is absent. This lac repressor is a DNA-binding protein that binds to a specific DNA sequence called the operator, thereby inhibiting transcription of the lac operon when lactose is present. When lactose is present, this disaccharide is converted into allolactose, which acts as an inducer by binding to the repressor, thereby the repressor dissociates from the operator and it allows the expression of the lac genes.

Burning fossil fuels contributes to global warming by adding greenhouse gases, such as carbon dioxide, to the atmosphere.

The release of these gases traps heat in the atmosphere and causes the temperature of the earth to rise. This increase in temperature is referred to as global warming and can have devastating effects on the planet's ecosystems, including the melting of polar ice caps, rising sea levels, and more frequent and intense natural disasters. The accumulation of carbon dioxide in the atmosphere is the main driver of global warming and it is primarily caused by the burning of fossil fuels for energy.

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The family of red algae is diverse and includes several different families, such as Rhodomelaceae, Gelidiaceae, and Porphyridiaceae.

The species of red algae vary greatly within these families. Cyanobacteria, on the other hand, belong to the phylum Cyanobacteria and are not classified using the KPCOFGS taxonomy system. Instead, they are classified based on their morphological and physiological characteristics.

Red algae, also known as Rhodophyta, comprise a large and diverse group of algae. They are classified into different families based on their characteristics, including the structure of their thallus (body), reproductive structures, and pigments. Some common families of red algae include Rhodomelaceae, Gelidiaceae, and Porphyridiaceae.

Within these families, there are numerous species of red algae, each with its unique characteristics and habitats. Cyanobacteria, also known as blue-green algae, are a group of photosynthetic bacteria. They belong to the phylum Cyanobacteria and are not classified using the KPCOFGS taxonomy system typically used for plants and animals.

Cyanobacteria are classified based on their morphological features, such as cell shape, arrangement, and pigmentation, as well as their physiological characteristics and genetic traits. The classification of cyanobacteria is continually evolving as new information and techniques are discovered in the field of microbiology.

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The correct answer is B. Secondary succession

Explanation:

In ecosystems, secondary succession occurs as certain events such as fires cause vegetation to temporarily disappear from one area. However, as soil is not affected negatively, vegetation grows again after some time, which means there is a secondary growth of vegetation and changes in the structure of an ecological community.

This term applies to the situation in the 1988 fires in Yellowstone Park because the fire destroyed the vegetation in the zone temporarily, but as the soil was intact after years or decades the vegetation will grow again, although this might implied changes in the ecosystem.

Answer:

Secondary succession

Explanation:

Edge 2020

1pregunta= 3

2pregunta=2

3pregunta=3

4pregunta= 3

5pregunta=  2

1. Enzymes denaturing in your cells cannot change the core temperature.

2. The enzymes in our cells work best when the core temperature is at 37°C .

3. When the enzymes get cold they denature and the active site alters.

4. Integumentary (Skin) System helps in both conserving heat and cooling off.

5. The Hypothalamus is the temperature-regulating center of the brain.

6. Small erector muscles work to raise the hairs which helps in warm up.

8. If your core temperature falls too low, it is called Hypothermia.

9. Extreme tiredness and lethargy are the first signs of someone experiencing hypothermia is True.

Enzymes are biological molecules, specifically proteins, that act as catalysts in various chemical reactions within living organisms.

1. Enzymes denaturing in your cells

2. The enzymes in our cells work best at this temperature and these enzymes are needed to carry out all the reactions that happen in our body to keep us alive.

3. The enzymes denature and the active site alters, so the substrate can't fit in there properly and chemical reactions don't happen as fast.

4. Integumentary (Skin) System

5. Hypothalamus

6. Small erector muscles work to raise the hairs on your skin. This helps trap the air close to the skin, goose bumps appear and the air acts as an insulator

7. Your blood vessels (capillaries) dilate allowing blood to flow near the surface of your skin. This allows the heat to be released through your skin to help you cool off.

8. Hypothermia

9. False

10. Both A and C

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Answer:

A pollen tube grows from the pollen grain, through the style, and into the ovary.

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Answer:

a Basaltic rocks are more dense and cool more quickly than granitic rocks.

Answer:

false, hopefully iss right

1. Biometrics refers to the measurement and analysis of unique physical or behavioral characteristics of individuals, used in the security industry for accurate and reliable identification. 2. There are two types of enrollments: unimodal and multimodal. 3. Multibiometric systems utilize multiple biometric characteristics to enhance accuracy and overcome limitations of individual traits.

Biometrics refers to the measurement and analysis of unique physical or behavioral characteristics of individuals. It involves the use of advanced technologies to capture and authenticate these characteristics, such as fingerprints, iris patterns, facial features, voiceprints, or even behavioral traits like gait or typing patterns.

Biometrics is used in the security industry because it offers a high level of accuracy and reliability in verifying the identity of individuals. Compared to traditional methods like passwords or ID cards, biometrics provide a more secure and convenient way of authentication, as these characteristics are difficult to forge or replicate.

The two types of enrollments in biometrics are:

a. Unimodal Enrollment: In unimodal enrollment, a single biometric trait is used for authentication. For example, using only fingerprint or iris scan for identification. This approach is relatively simpler to implement and can be cost-effective for systems that require lower security levels or have limited resources.

b. Multimodal Enrollment: In multimodal enrollment, multiple biometric traits are combined to enhance the accuracy and reliability of identification. It involves capturing and storing data from two or more biometric sources, such as fingerprints and facial features, and using them collectively for authentication.

Multimodal enrollment provides higher security and reduces the risk of false positives or false negatives, as it combines the strengths of different biometric characteristics.

Multibiometric refers to the use of multiple biometric characteristics for identification and verification purposes. Instead of relying on a single biometric trait, multibiometric systems utilize a combination of traits such as fingerprints, iris patterns, facial features, or voiceprints to enhance accuracy and reliability.

This approach leverages the distinctiveness and uniqueness of multiple biometric traits, making it more difficult for unauthorized individuals to mimic or bypass the security measures. Multibiometric systems offer increased robustness and can overcome limitations or drawbacks associated with using a single biometric modality, such as environmental factors or individual variations.

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Answer: raw sprouts

Explanation: Raw sprouts are most likely to cause a foodborne illness because it is raw. Any raw food may have harmful bacteria, and it should be cooked, boiled, or fried. The answer is raw sprouts.

Hope this helps!

Answer:

a pinge?

Explanation:

Large holes in the ground left over after the mining operations are sometimes known as the pinge. These are made up by the mining activities that are making the depression or the sink holes in it.

It is the human activity in which the extractions are done in order to make the use of the resources . It is the artificial human activity.

This depression or sink-hole is usually caused out  by collapse of  the old underground mine works which are close to Earth's surface.Unlike  any natural landforms , a Pinge is the  direct result of  the human activity. The collapses do  make up big larger holes that almost  makes the pinges in the process of mining.

Pinge is also formed by the surface in which the land is not supported properly and the extraction has made the holes in the lands because of the more pressure and the type of extracting machines that are being used in it.

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Coaxial cables refers to a high-frequency transmission medium that has a single solid-copper core which serves as the conductor in this type of substance.

These are elements which are usually metals and have unique properties such as high conductivity of electricity and heat. This helps for their transmission to be easier and faster due to the metallic properties.

Coaxial cables are high-frequency transmission medium that has a single solid-copper core  which ensures that the signals are optimally moved from one point to another.

This is therefore the reason why it was chosen as the most appropriate choice.

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The claims about the burning of wood that are supported by Joan's model are:

Joan's model shows that the burning of wood is a chemical reaction that involves the combination of oxygen and carbon. The reaction produces carbon dioxide and water vapor.

The model also shows that the reaction is reversible, meaning that it can occur in both the forward and reverse directions. However, the reverse reaction is much slower than the forward reaction, so it is not typically observed.

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Complete question:

Which of the claims about the burning of wood is supported by Joan's model? Select all the claims that are

supported.

A. Matter is conserved during the burning of wood.

B. Chemical energy is conserved during the burning of wood.

C. Burning wood involves a series of chemical reactions that occur in one direction only.

D. Burning wood involves a series of chemical reactions that occur in both the forward and reverse directions.

E. Burning wood involves oxygen as well as carbon.​

Fatty acid oxidation produces acetyl CoA. The correct answer is option C.

During the process of fatty acid oxidation, long-chain fatty acids are broken down into acetyl CoA molecules through a series of enzymatic reactions. Acetyl CoA is a crucial molecule in cellular metabolism and serves as a substrate for the citric acid cycle (also known as the Krebs cycle or TCA cycle), where it enters the cycle to generate energy through the production of ATP. Acetyl CoA can also be used for the synthesis of ketone bodies in certain conditions, such as during prolonged fasting or in individuals following a low-carbohydrate diet. Therefore, the correct answer is option C.

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The summary of the article can be found below.

The citrus industry in Florida is facing a new threat from an invasive butterfly species called the Asian citrus psyllid. This insect is known to transmit a deadly citrus disease called "huanglongbing" or citrus greening.

The psyllid feeds on citrus trees and injects the bacteria that causes citrus greening. The disease causes the fruit to be bitter and misshapen, eventually killing the tree. Citrus greening has already caused significant damage to the citrus industry in Asia, Africa, and Brazil, and has been present in Florida since 2005.

However, the recent detection of the invasive butterfly, which feeds on citrus trees and damages the fruit, has raised concerns about the potential for the disease to spread even more rapidly. The butterfly, which is native to Southeast Asia, has already caused significant damage to citrus trees in California, and experts are warning that it could have a similar impact in Florida if not controlled.

Researchers are working to develop new strategies to combat the spread of both the butterfly and the disease, including the use of biological control methods and the development of resistant citrus varieties. However, the scale of the challenge facing the industry is significant, and there are concerns that the long-term impact on Florida's citrus industry could be severe.

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