what is the role or the cell membrane? And what do receptor proteins do?
Answers
2)transmit information through the membrane
Related Questions
What objects did scientists use to help determine the age of the Earth? *
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for the pedigree shown below, which of the following patterns of inheritance are possible? assume complete penetrance.
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The possible patterns of inheritance for the given pedigree, assuming complete penetrance, include autosomal dominant, autosomal recessive, and X-linked recessive inheritance.
Autosomal Dominant Inheritance: If the trait is observed in every generation, affecting both males and females, it suggests autosomal dominant inheritance. Each affected individual has at least one affected parent, and unaffected individuals do not pass on the trait to their offspring.
Autosomal Recessive Inheritance: If the trait skips generations and appears in unaffected parents who have affected offspring, it suggests autosomal recessive inheritance. Both males and females are equally affected, and two unaffected individuals mitochondria can have affected offspring.
X-Linked Recessive Inheritance: If the trait predominantly affects males and is passed from carrier females, it suggests X-linked recessive inheritance. Affected males receive the trait from their carrier mother, while carrier females have a 50% chance of passing the trait to their sons.
The specific pattern of inheritance can be determined by analyzing the pedigree, including the presence or absence of the trait in each generation, the gender distribution, and the relationship between affected individuals.
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1) The nucleus, chloroplasts, and vacuoles are examples of ________.
2) ______are unicellular organisms with no nuclei in their cells.
Right the word that has to go in the ______
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1) The nucleus, chloroplasts, and vacuoles are examples of Organelles and 2) Prokaryotes are unicellular organisms with no nuclei in their cells.
What is nuclei?Nuclei are the central part of an atom, which is composed of protons and neutrons. They are located at the centre of the atom and are surrounded by a cloud of electrons. Nuclei are extremely dense, with the protons and neutrons packed closely together. The number of protons in a nucleus determines what element it is. Different elements have different numbers of protons in their nuclei, and this is why they have different properties. Nuclei can also contain neutrons, which do not affect the element's properties, but do affect its stability.
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similarities and difference between a drupe and a berry
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Answer:
Answer: A drupe is a fruit that is pulpy on the outside, and has a hard shell on the inside that contains one seed. A pome is a composite fruit composed flower parts plus ova. Berries, to the contrary, are characterized by having a fleshy endocarp, as well as mesocarp, and may have more than one seed.
Explanation:
i hope i was helpful
What percentage of the offspring are expected to show the dominant phenotype from the
cross Tt x tt?
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Answer:
vfyrdful.itrehsdtyukyxse
Explanation:
ukfyuiugfthy
Answer:
Tt jsjwisjsnanjqkqw aahwhza
Hydrogen exists in three isotopes, H1, H2, and H3. The average atomic mass of hydrogen is 1. 008 amu, which of these isotopes is most abundant? How do you know?
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The average atomic mass of hydrogen (H) is 1.008 amu. Hydrogen is made up of isotopes 1H, 2H, and 3H. 1H is most abundant. All isotopes are equally abundant.
What are isotopes?
Isotopes are defined as a variation of an element that possesses the same atomic number but different atomic mass.
It can be defined as the one of two or more forms of a chemical element with distinct physical properties but identical chemical properties.
It can also be defined as atoms with same number of protons and electrons but different number of neutrons.
According to stability of hydrogen 3H is more stable than 2H and then with 1H.
Thus, the average atomic mass of hydrogen (H) is 1.008 amu. Hydrogen is made up of isotopes 1H, 2H, and 3H. 1H is most abundant. Thus option C is correct.
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The air masses that originate in low latitude are called
a) polar b) tropical c) continental d) marine
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The air masses that originate in low latitude are called b) tropical.
Air masses are large bodies of air with similar temperature and humidity characteristics. The air masses that originate in low latitudes near the equator are called tropical air masses. These air masses are typically warm and moist due to the high temperatures and abundant moisture present in tropical regions. As these air masses move away from the equator, they can influence weather patterns and climate in the regions they encounter.
Tropical air masses are important in shaping weather conditions in many parts of the world, particularly in tropical and subtropical regions. When tropical air masses interact with other air masses, such as polar air masses, it can lead to the formation of weather systems, including fronts, storms, and precipitation. Understanding the characteristics and movement of tropical air masses is essential for meteorologists and climatologists in predicting weather patterns and studying climate dynamics.
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How can the genetic information of retroviruses be characterized?.
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The genetic information of retroviruses can be characterized as RNA-based genetic material that undergoes reverse transcription, converting RNA into DNA by the enzyme reverse transcriptase.
This process enables the integration of the retroviral DNA into the host cell genome, leading to the production of new viral particles. The genetic information of retroviruses can be characterized through several methods. One common approach is to isolate the viral RNA or DNA from infected cells or viral particles.
This genetic material can then be amplified using techniques such as reverse transcription polymerase chain reaction (RT-PCR) or polymerase chain reaction (PCR), depending on whether the virus has RNA or DNA as its genetic material.
Once the genetic material is amplified, it can be sequenced using high-throughput sequencing technologies, such as next-generation sequencing (NGS). This allows for the determination of the nucleotide sequence of the viral genome.
The obtained sequence can then be compared to existing databases to identify the retrovirus and its relatedness to other known retroviruses.
In addition to sequencing, other techniques can be employed to characterize retroviral genetic information. These include Southern blotting, which can detect and characterize retroviral integration into the host genome, and hybridization techniques like in situ hybridization, which can localize viral genetic material within infected cells.
Overall, the combination of amplification, sequencing, and various molecular techniques provides a comprehensive characterization of the genetic information carried by retroviruses, enabling better understanding of their structure, function, and evolutionary relationships.
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the process of breaking glycogen down to glucose is an example of
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Answer:
catabolism
Explanation:
The ______ fishery management approach views the entire ecosystem as relevant to managing a fishery and allows for the diverse societal uses of fish stocks, including fishing, recreation, tourism, and overall ecosystem health.
Answers
The ecosystem-based fishery management approach views the entire ecosystem as relevant to managing a fishery and allows for the diverse societal uses of fish stocks, including fishing, recreation, tourism, and overall ecosystem health.
The ecosystem-based management of fisheries is an approach, which projects a holistic outlook towards the management of fisheries in such a way that, humans can benefit from in numerous ways like fishing for food or recreation, or for breeding new stocks of fish. All this is done keeping in mind the angle of environment and biodiversity conservation of the area as well. This approach is extremely essential to keep a check on the effects of human intervention in the ecosystem of the fisheries and how to maintain a stable balance between the two without harming the latter.
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When a couple of forces (moment) acts on a body what condition(s) will be on this body? A Body is moving and rotating B Body is moving in one direction Body is rotating D) Body is in equilibrium
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When a couple of forces (moment) acts on a body, the condition on the body is that it is rotating.
The term "couple of forces" refers to a pair of forces that have equal magnitudes, opposite directions, and are parallel to each other but do not share the same line of action. When a couple of forces acts on a body, it creates a rotational effect or moment. This moment causes the body to rotate around its center of mass or a specific axis.
Therefore, the presence of a couple of forces indicates that the body is undergoing rotational motion. The body may or may not be moving in a particular direction, but it will definitely be rotating.
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Help me please, I’m confused
Answers
Answer:
Photosynthesis-
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities. Photosynthesis occurs in the chloroplast of a plant, which contains chlorophyll. In order for photosynthesis to take place, it needs to have water and carbon dioxide, the two very important raw materials necessary for this process. In the presence of carbon dioxide, such cells are able to convert this solar energy into energy-rich organic molecules, such as this energy-rich molecule known as glucose. Oxygen the by product of photosynthesis is inhaled by heterotrophs which aids in cellular respiration and other internal processes and then exhales carbon dioxide. ... In like manner, carbon dioxide passes from blood to the alveoli and exhaled after
Explanation:
in the human growth sequence, the germinal, embryonic, and fetal periods make up the period. question 4 options: a) senescence b) neonatal c) prenatal d) postnatal
Answers
The correct answer is a. prenatal. These stages of the human growth sequence are known as the prenatal phases of pregnancy which includes the germinal, embryonic, and fetal periods make up the period.
The phrase "prenatal development" refers to the process by which the embryo and fetus develop during the course of a viviparous mammal's pregnancy. The process of prenatal development begins with fertilization and continues through the fetal stage of growth until delivery. Prenatal development in human pregnancy is sometimes referred to as antenatal development. Following fertilization, the human embryo grows throughout the fetal stage. The embryo has achieved its basic shape by the end of the tenth week of gestation; at this point, it is referred to as a fetus. Fetal development is the following stage of development, and this is when various organs finish developing. Important events are listed by gestational age at this pregnancy stage.
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If Earth has 150,100,000 km^2 of
land area, how much land area is included in the
biodiversity hotspots?
PLS HELP NEED FOR TODAY!!!
Answers
Explanation:
A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation.[1][2]A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation.[1][2]Norman Myers wrote about the concept in two articles in “The Environmentalist” (1988),[3] and 1990[4] revised after thorough analysis by Myers and others “Hotspots: Earth’s Biologically Richest and Most Endangered Terrestrial Ecoregions”[5] and a paper published in the journal Nature.[6]A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation.[1][2]Norman Myers wrote about the concept in two articles in “The Environmentalist” (1988),[3] and 1990[4] revised after thorough analysis by Myers and others “Hotspots: Earth’s Biologically Richest and Most Endangered Terrestrial Ecoregions”[5] and a paper published in the journal Nature.[6]To qualify as a biodiversity hotspot on Myers 2000 edition of the hotspot-map, a region must meet two strict criteria: it must contain at least 0.5% or 1,500 species of vascular plants as endemics, and it has to have lost at least 70% of its primary vegetation.[6] Around the world, 36 areas qualify under this definition.[7] These sites support nearly 60% of the world's plant, bird, mammal, reptile, and amphibian species, with a very high share of those species as endemics. Some of these hotspots support up to 15,000 endemic plant species and some have lost up to 95% of their natural habitat.[7]A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation.[1][2]Norman Myers wrote about the concept in two articles in “The Environmentalist” (1988),[3] and 1990[4] revised after thorough analysis by Myers and others “Hotspots: Earth’s Biologically Richest and Most Endangered Terrestrial Ecoregions”[5] and a paper published in the journal Nature.[6]To qualify as a biodiversity hotspot on Myers 2000 edition of the hotspot-map, a region must meet two strict criteria: it must contain at least 0.5% or 1,500 species of vascular plants as endemics, and it has to have lost at least 70% of its primary vegetation.[6] Around the world, 36 areas qualify under this definition.[7] These sites support nearly 60% of the world's plant, bird, mammal, reptile, and amphibian species, with a very high share of those species as endemics. Some of these hotspots support up to 15,000 endemic plant species and some have lost up to 95% of their natural habitat.[7]Biodiversity hotspots host their diverse ecosystems on just 2.4% of the planet's surface,[2] however, the area defined as hotspots covers a much larger proportion of the land. The original 25 hotspots covered 11.8% of the land surface area of the Earth.[1] Overall, the current hotspots cover more than 15.7% of the land surface area, but have lost around 85% of their habitat.[8] This loss of habitat explains why approximately 60% of the world's terrestrial life lives on only 2.4% of the land surface area.A glucose molecule is the
Answers
Answer:
Smallest type of protein.
Explanation:
Although punishment is not usually used to modify behaviour, there are six proposed rules that should be followed in order to ensure its effectiveness. List and briefly explain these six rules.
Answers
Include athletes in the process of defining team rules and penalties, according to six standards for punishment. 2. Apply sanctions consistently. 3. Punish the conduct rather than the offender. 4. Whenever possible, avoid using punishment such as physical exertion. 5. Check to see that the penalty is not interpreted as a reward or as attention alone. 6. Apply sanctions in an impersonal manner.
Describe impersonal behavior.A sort of punishment known as impersonal punishment is one that is applied to the entire group rather than a specific member. It can be used in sports to penalize an entire team for the behavior of one or a small number of players. For instance, if one player on a team fouls, the whole team can be required to run extra laps or do extra drills after practice. The goal of this kind of discipline is to motivate athletes to keep one another accountable and function as a unit.
There are nine rules for punishment that should be followed to ensure its effectiveness, according to an article on Passionate Coach1. Six of them are as follows:
1. Involve athletes in developing team rules and penalties: This indicates that the athletes should be involved in formulating the rules and penalties for which they will be held responsible. This makes sure that everyone is aware of expectations and is on the same page.
2. Apply punishment consistently: When it comes to discipline, consistency is essential. Athletes may not take your penalties seriously or feel like they are being treated unfairly if you are inconsistent with them.
3. Punish the behavior, not the individual: It's critical to keep in mind that you are punishing the behavior, not the individual. This means that you ought to refrain from insulting the athlete personally or launching personal assaults.
4. Avoid using physical punishment as often as you can. Physical punishment can backfire and increase the risk of injury or resentment.
5. Watch out for the punishment being seen as a reward or attention-seeking: The punishment should be seen as a result of bad behavior, not as a way to get attention.
6. Impose discipline in an impersonal manner: It's crucial to avoid punishing specific players in front of their teammates. Punishment ought to be administered objectively and without prejudice.
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Destroys harmful substances or worn-out cell parts
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It destroys harmful substances or worn-out cell parts is a cell organelle lysosome. it is present in the eukaryotic cell and helps the cell protect itself from the virus or other harmful molecules.
What is the function of the lysosomes in the cell?The lysosome that is present in the cell has maintained an acidic environment because of the active transport of hydrogen from the cytoplasm to the lysosome. Due to its acidic nature, it can degrade the harmful pathogens in the cells and also degrade worn out cells, such as old mitochondria, and in this way, the lysosome protects the cell.
Hence, lysosomes destroy harmful substances or worn-out cell parts.
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7. Hydrogen fuel cells combine hydrogen and oxygen to produce water and energy. Assume 1 kg of fuel is used, and the mass of the water produced is 1.10 x 10-11 kg. How much energy is produced by this fuel cell? (Hint: Use E = mc2.)
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Answer:
this is a hard one
Explanation:
Air at the equator is warm and has a ______density, which creates ________ in comparison to the air at the poles.
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Answer:
Lower, low pressure
Explanation:
The temperature at equator are mostly higher than at the poles almost all times of year. This high temperature causes air at the equator to warm up quickly and thus, the air density reduces and it becomes lighter. Now, light air rises upwards. Thus, creating a low pressure region at equators. This low pressure causes the air near the poles gush towards the equator.
Hence, the blanks will be filled with the words
Lower, low pressure.
what energy can be generated out from the volcano?
Answers
Answer:
geothermal energy
Explanation:
volcanic geothermal energy, the heat comes from "supercritical water." The researchers explained that energy from so-called supercritical water is much higher than conventional geothermal steam. When molten rock and water meet, the extreme heat and pressure bring water to a "supercritical" state, where it is neither liquid nor gas.
) You've processed two samples using an LDPSA and the grain size histograms are below. Describe the two samples in terms of predominant grain size (sand, silt, clay), sorting, and maturity. Based on this information, which one came from a beach and which one came from a river, and why?
Answers
Sample 1 likely came from a beach due to its dominance of sand, moderate sorting, and absence of silt and clay. Sample 2 likely originated from a river due to its fine-grained nature, poor sorting, and inclusion of silt and clay fractions.
Sample 1: The histogram for Sample 1 shows a predominant grain size in the sand range, with minimal representation of silt and clay. The distribution appears moderately sorted, with a narrow peak in the sand fraction. This suggests that Sample 1 likely originated from a beach environment. The dominance of sand indicates a coarse-grained sediment, typically found on beaches due to wave action. The moderate sorting implies moderate energy conditions at the beach, allowing for some sorting but not complete separation of grain sizes. The absence of significant silt and clay fractions suggests limited transportation and deposition in a marine setting.
Sample 2: The histogram for Sample 2 exhibits a broader distribution of grain sizes, including significant representation of silt and clay fractions. This indicates a fine-grained sediment. The distribution is poorly sorted, with no distinct peak or dominant grain size. These characteristics suggest Sample 2 likely originated from a river environment. Rivers transport and deposit sediments from various sources, resulting in a mixture of grain sizes. The presence of silt and clay suggests longer transportation distances and lower energy conditions compared to beach environments. Poor sorting indicates minimal sorting and mixing of sediments, as seen in river systems.
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what is the mass of the universe
Answers
Answer:
5.972 × 10^24 kg is the mass
What are the two satellites of the moon?
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Which of the following energy transformation occur when humans use energy from food to exercise?
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Answer:
Chemical energy from food molecules (potential energy) may also be transformed to mechanical energy (kinetic energy) when the body moves. In every energy transformation, some energy is given off as heat. This is why the body warms up during different activities like exercising, lifting weights, and even digestion!
Explanation:
Whale primary functions
Answers
The primary functions of whales include feeding, reproduction, communication, and migration.
Whales are primarily filter feeders or predators, depending on the species.
Filter-feeding whales, such as baleen whales, have baleen plates in their mouths that allow them to filter out small prey, such as krill or small fish, from large volumes of water.
Predatory whales, such as toothed whales, hunt and feed on various marine organisms, including fish, squid, and marine mammals.
Reproduction is another important function for whales. Most whale species have a gestation period of several months, with females giving birth to a single calf.
The calves are nursed with milk from their mothers and rely on their care for a period of time until they become independent.
Communication is vital for whales, as they rely on vocalizations to communicate with other members of their pod.
Whales produce a variety of sounds, including songs, clicks, and whistles, which serve purposes such as mating, social interactions, and navigation.
Migration is a common behavior observed in many whale species. Whales undertake long-distance migrations, often covering thousands of kilometers, to reach feeding grounds in nutrient-rich waters or to reproduce in specific breeding areas.
These migrations are driven by seasonal changes in food availability and environmental conditions.
In summary, the primary functions of whales encompass feeding, reproduction, communication, and migration, all of which are essential for their survival and successful adaptation to their marine environments.
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_______________is energy that uniformly fills the entire universe.
A) Cosmic force field
B) Cosmic background radiation
C) X-ray radiation
D) Light energy
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2. Does fertilizer make a plant grow bigger?
Independent -
Dependent -
Constants -
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Answer:
Independent - fertilizer
Dependent - plant growth
Constants - type of plant, type of soil, water amount
Explanation:
which of the following is the most serious effect of water pollution for humans? a. infectious diseases b. algal blooms c. toxic food chain effects d.
Answers
The most serious effect of water pollution for humans is infectious diseases.
What is water pollution?
Water pollution is defined as the addition of pollutants to a water source that results in a change in the water's quality, making it unsuitable for use. It is a form of pollution that can have a negative impact on the environment as well as human health.
Water pollution affects not just marine life but also human health. Waterborne diseases are caused by microorganisms that grow and spread in polluted water. Water pollution can lead to an increase in the incidence of waterborne diseases, making it the most serious effect of water pollution on human health.Infectious diseases are caused by harmful microorganisms like bacteria, viruses, and parasites that spread through contaminated water. These diseases can be severe, leading to death, particularly in children, pregnant women, and individuals with a weak immune system.Other impacts of water pollution on humans include an increase in respiratory problems, allergies, skin irritation, and other health issues. Furthermore, water pollution can impact the food chain, resulting in toxic food chain effects and ecosystem degradation.
Thus the most serious effect of water pollution for humans is a. infectious diseases as discussed above.
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b. What food molecules are created?
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Answer:
Instead, let's start applying what we learned so far by looking at the most common groups of molecules in food: carbohydrates, proteins and fats. These molecules are also called 'macronutrients' and are essential for us from a nutritional point of view.
CAN ANYONE ANSWER THIS?is anaerobic applicable to only animal, only to plant, or both? why?
Answers
Answer:
Explanation:
In anaerobic respiration, the end-products are ethanol and carbon dioxide in plants whereas the end-products are lactic acid only in animals. Thus, the anaerobic respiration in plants is associated with evolution of carbon dioxide as in aerobic respiration, though it occurs in the absence of oxygen but no carbon dioxide is evolved in anaerobic respiration in animals.