ATP Molecules
Mitochondria
Nucleus
Synthesis of
Enzymes
Synthesis of
Molecules of
1. The nucleus contains molecules of A, which
A) recycle waste products
C) store hereditary information
B) remove water from the cell
D) regulate the pH of cytoplasm​

Answer:

the control of when and where proteins are made

Explanation:

apex

Answer:

The correct statements are listed below.

Explanation:

Vitamins are organic and minerals are inorganic.

Organic compounds comes from living things.Vitamins generally exist as organic compounds for example all the vitamin such as vitamin A, Thiamine,riboflavin,biotin,pyridoxin,vitamin c,vitamin E, vitamin K exist as organic compounds.

On the other hand minerals are found in inorganic form for example nitrogen is found as nitrate and nitrite,phosphorus is found as phosphate group,phosphoric acid.

Answer: C) Vitamins are organic and minerals are inorganic. Organic compounds come from living things and inorganic compounds are found in the soil. See provided image.

Explanation:  

Answer:

Recycling is the process of converting waste materials into new materials and objects. It is an alternative to "conventional" waste disposal that can save material and help lower greenhouse gas emissions.

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Recycling is defined as the process of converting waste materials into new materials and goods where energy recovery from waste materials is often included in this concept.

Recycling is defined as the process of converting waste materials into new materials and goods that involve the recovery of energy from waste materials. The recyclability of a material depends on its ability to recover the properties present in its original state.

There are three types of recycling which are:

The basic steps in recycling are the collection of waste materials, their processing or manufacture into new products, and the purchase of those products which can then be recycled.

Thus, Recycling is defined as the process of converting waste materials into new materials and goods where energy recovery from waste materials is often included in this concept.

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Answer:

The similarity they have is that they both produce two identical cells to each other and to the mother cell, but the mechanism is totally different as binary fission takes place in prokaryotic cells while mitosis takes place in eukaryotic ones.

When scientists report their results from their scientific investigations, scientists should include the content that answers the following questions

Scientists should not include the following

Sea nomads have several genetic adaptations that positively affect their ability to dive.

Explanation:

Bajau people who are deep sea divers found in parts of south east Asia are called sea nomads. They depend on the sea for a living and have been into diving before man generations. Some special genetic and physiological adaptations have helped sea nomads in diving.

Studies reveal that the Bajau people have an increased spleen size which means that they have  a large reservoir for oxygenated RBCs. This variation has occurred as a result of natural selection  on genetic variants in the PDE10A gene in sea nomads.

BDKRB2 is the gene affecting the diving reflex of humans. Studies have found out that there is a strong selection on the BDKRB2 gene in the Bajau people.

Explanation:

PETROLEUM is the natural resource that is burned for energy. It is considered a fossil fuel.

Hydrocarbons are organic compounds made predominantly of carbon and hydrogen, and are primarily contained within fossil fuels, such as methane, propane, and butane. When these hydrocarbons are burned, they release the energy stored within their many covalent bonds. However these resources are non-renewable and their use can lead to environmental and sustainability issues.

The hydrocarbon-containing natural resources being referred to in your question are organic compounds composed predominantly of carbon and hydrogen atoms and are primarily found in fossil fuels. Examples include methane, propane, and butane, all of which are used as sources of energy in our daily lives. These hydrocarbons contain many covalent bonds that store a considerable amount of energy. When these molecules are burned, or oxidized, they release this energy.

Moreover, these natural resources are derivative of alkanes which burn in the presence of oxygen, this event is an extremely exothermic oxidation-reduction reaction that yields carbon dioxide and water. This makes alkanes excellent fuels. Fossil fuels such as gasoline are a blend of alkanes having five to nine carbon atoms. The crude oil, which is a complex mixture, forms the main source of these liquid alkane fuels which are separated by fractional distillation. The boiling points of the components of the mixture enable the execution of fractional distillation.

It's important to note, however, that these resources are not renewable. This means they can be depleted over time and their excessive consumption can raise environmental and sustainability issues.

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.2. Offspring Genotypes will be Cc or cc.

     Offspring phenotypes : Cleft chin or no cleft chin.

    % chance child will have cleft chin: 50%

3.  % chance child will have arched feet: 25%

4.  % chance child will have blonde hair:  50%

5.  % chance child will have normal vision: 25%

Explanation:

CASE 1 :

 Dominant trait: cleft chin (C)

    Recessive trait: lacks cleft chin (c)

    Father’s gametes: cc

    Mother’s gametes: Cc

There are two possible combination of Gametes ,

C fom mother and  c from father= Cc

c from mother and c from father = cc

Gametes of Cc Parents=  [tex]\frac{1}{2}C + \frac{1}{2} c[/tex]........(i)

Gametes of cc parents = [tex]\frac{1}{2}c + \frac{1}{2}c[/tex] .........(ii)

Combining (i) and (ii) we get,

[tex]\frac{1}{2}  Cc + \frac{1}{2} cc[/tex]                              

There fore offspring Genotypes will be Cc or cc

Offspring phenotypes :

Genotype Cc then phenotype= Cleft chin

Genotype cc then phenotype = Lacks cleft chin.

percentage chance child will have cleft chin  =[tex]\frac{0.5}{1}[/tex] ×100

Therefore the chance is 50%.

CASE 2 :

Dominant trait: flat feet (A)

Recessive trait: arched feet (a)

Mother’s gametes: Heterozygous (Aa)

Father’s gametes: Heterozygous   (Aa)

There are four possible combination of genotypes are =AA , Aa, Aa and aa

i.e. A from mother, A from father= AA

     A from mother, a from father =Aa

     a from mother, A from Father = Aa

     a from mother, a from father = aa

Gametes of Aa parent =[tex]\frac{1}{2} A + \frac{1}{2} a[/tex]

Gametes of other Aa parent = [tex]\frac{1}{2} A + \frac{1}{2} a[/tex]

                                       ..................................................................................

                                              [tex]\frac{1}{4} AA + \frac{1}{4} Aa[/tex]

                                                                           +  [tex]\frac{1}{4} Aa[/tex] +[tex]\frac{1}{4} aa[/tex]

                                   ..........................................................................................

                                [tex]\frac{1}{4}AA + \frac{1}{2}Aa +\frac{1}{4} aa[/tex]

Offspring Genotypes will be: AA or Aa or aa

Offsprings phenotype will be:

Genotype AA then phenotype will be Flat feet

Genotype Aa then phenotype will be flat feet

Genotype aa then Phenotype will be arched feet.

Percentage chance child will have arched feet = [tex]\frac{0.25}{1}[/tex] × 100 = 25%

CASE 3:

Dominant trait: Brown hair (B)

Recessive trait: Blonde hair (b)

Mother’s gametes: Homozygous recessive  (bb)

Father’s gametes: Heterozygous  (Bb)

This case is very similar to the case 1 as one parent is homozygous recessive and other parent is heterozygous.

Resulting in  half  Bb and halve bb combination.

Genotypes will be Bb or bb

Phenotypes will be :

Genotype Bb then phenotype Brown hair

Phenotype bb then Phenotype bb.

% chance child will have blonde hair: 50%

CASE 4:

Dominant trait: farsightedness (F)

Recessive trait: normal vision (f)

Mother’s gametes: Heterozygous  (Ff)

Father’s gametes: Heterozygous  (Ff)

This Case is similar to case 2

it will result in one-fourth FF , half Ff and one-fouth ff combination.

Therefore Genotypes will be: FF, Ff and ff

Phenotypes:

Genotype FF  then phenotype farsightedness

Genotype Ff then phenotype  farsightedness

Genotype ff then phenotype normal vision.

% chance child will have normal vision: 25%

Answer:

The correct option is A. His research was not appreciated by the scientific community until after he died.

Explanation:

Gregor Mendel was an Austrian monk who laid the foundation of genetics. Mendel studies seven traits from the pea plants and formed the law of segregation and law of independent assortment.

The work of Mendel was not appreciated until his death. In the 20th century, his work was eventually rediscovered and appreciated.

However, Mendel's study did not include any explanations for polygenic traits. His results could predict heritability in both plants and animals.

Answer:

Prairie Soils

Explanation:

The vast temperate grasslands have soils that are rich, and deep.  Because of this, prairie soils are the breadbasket of the world! They produce a majority of the wheat, corn, and soybean production in the US and the world. This is responsible for cooking oils, dog foods, work gloves, diapers, cat litter, soy-milk, and a whole host of products that we use every day.

Answer:

True.

Explanation:

Tigers are solitary Tigers and bison represent two distinct approaches to social organization and habitat utilization in the animal kingdom, reflecting their specific ecological adaptations and survival strategies.

Tigers, as solitary animals, inhabit vast territories, often covering hundreds of square kilometers.

This solitary nature is primarily driven by their need for space to find food and mates.

Tigers are carnivores and require large territories to hunt and maintain a reliable food supply.

By living alone, they minimize competition for resources within their territory.

Additionally, solitary living reduces the risk of inbreeding, as tigers mate with individuals from other areas, contributing to genetic diversity.

They need a lot of space to find food and mates. Bison live in herds for protection and to stay warm in the winter.

Tigers and bison represent two distinct approaches to social organization and habitat utilization in the animal kingdom, reflecting their specific ecological adaptations and survival strategies.

Tigers, as solitary animals, inhabit vast territories, often covering hundreds of square kilometers.

This solitary nature is primarily driven by their need for space to find food and mates.

Tigers are carnivores and require large territories to hunt and maintain a reliable food supply.

By living alone, they minimize competition for resources within their territory.

In contrast, bison are highly social animals, forming large herds. This behavior offers several advantages, including protection from predators and improved thermoregulation.

In harsh winter conditions, huddling together in a bison herd helps them conserve body heat.

The collective awareness of the herd also provides better defense against potential threats, as more eyes and ears are available to detect predators.

These distinct social behaviors and habitat preferences of tigers and bison exemplify how different species have evolved to adapt to their unique environments and ecological niches.

Tigers rely on solitude to secure their food and genetic diversity, while bison depend on herd living for safety and warmth in their challenging habitats.

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Population density is the number of individuals within a specific area, while distribution refers to how those individuals are spatially arranged. Uniform distribution often results from competition for resources, whereas clumped distribution aligns with patchy resource availability. Calculating population density enables comparison between different organisms in a given area.

Population density refers to the number of individuals per unit area or volume in a habitat. A uniform distribution of organisms within an area is often due to competition for scarce resources, resulting in evenly spaced individuals. Conversely, a random distribution may occur where resources are abundant and environmental conditions are stable. For example, two populations may have the same population density, but one may be uniformly distributed while the other is randomly distributed. This discrepancy may arise due to differences in social behavior, resource distribution, or environmental factors.

A population with a clumped distribution typically arises in environments where resources are patchy, leading to groups of organisms clustered around these resource-rich areas. This form of distribution is the most common in nature due to the varying nature of resource availability.

To calculate which of the given populations (insects or plants) has a greater density, we can divide the total number of individuals by the area they occupy. The density of insects is 820 insects/1.2 acres, whereas the density of flowering plants is 560 plants/0.2 acres. By comparing the densities, we can determine which population has a higher density and why.

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Answer:

Explanation:

f e d b

Answer:

Uses glucose to make ATP

Explanation:

Glucose molecules are broken down in the presence of oxygen in tissue cells to release energy, water and carbon dioxide. Some of the energy produced is used to form a chemical compound known as adenosine triphosphate(ATP). In the formation of ATP, the energy causes a reaction in which a two-phosphate molecule ADP combines with an inorganic phosphate molecule to form ATP which is a high energy yielding molecule.

Cellular respiration is a series of metabolic processes in cells that convert biochemical energy from nutrients into ATP, with waste products being expelled. It comprises three main steps: glycolysis, the Krebs cycle, and the electron transport chain.

Cellular respiration refers to the set of metabolic reactions and processes that occur in organisms' cells. Its purpose is to convert biochemical energy from nutrients into adenosine triphosphate (ATP) and then expel waste products. There are three key steps to cellular respiration:

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Answer:

Kerb cycle

Explanation:

The result from mitochondria is ATP, that acts as a currency of the energy in the cell. In the cytoplasm of mitochondria kerb cycle occurs. In this process it has several other process, once it uses acetate and water to give NADH from NAD+ and gives carbon dioxide as waste. The NADH formed is fed by oxidative phosphorylation or electron transport. The outcome of these processes is oxidation of nutrients to give chemical energy in ATP form.

Explanation:

Drugs like Novocaine, an ester,  inhibit sodium channel ion exchange, leading to membrane depolarization (charges equilibrium). It stabilizes the neuronal membrane preventing transmission of nerve impulses as a local anesthetic to pain centers in the CNS.

Further Explanation:

Neurons have unique structures which aid in facilitating communication by sending and receiving electrical signals very efficiently. Parts of a neuron are separated into the

The refractory period describes a period between the initiation of an action potential where Na+ channels are closed, and immediately after the action potential’s peak. Action potentials would require an influx of more positively charged ions; these must be more than a specific threshold in order to have the cells send along more action potentials which helps with figuring out stimulus intensity.

Potassium ions readily diffuse out of the cell more quickly than sodium due to the presence of more channels which allow for potassium leakage. The sodium-potassium pumps in neuronal membranes bring more Na+ out than K+ ions into the cell; with every three sodium ions pumped out two potassium ions are brought in- this is in order to maintain the negatively charged membranes within the cell along with the resting potential

At synaptic junctions:

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Local anesthetics prevent the transmission of pain impulses to the brain by blocking voltage-gated sodium (Na+) channels, which are crucial for the generation and propagation of action potentials in neurons.

An action potential is a rapid and temporary reversal of the resting membrane potential in excitable cells, such as neurons. This process allows the transmission of electrical signals along the neuron's axon to the synapse, where it can be transferred to another neuron or to a muscle cell. The typical action potential occurs in several stages:

1. Resting Membrane Potential: At rest, the inside of the neuron is negatively charged relative to the outside, typically around -70 mV. This is due to the unequal distribution of ions across the cell membrane, maintained by the sodium-potassium pump.

2. Depolarization: When a stimulus reaches the neuron and exceeds a certain threshold, voltage-gated Na+ channels open, allowing Na+ ions to rush into the cell. This influx of positive charges reduces the membrane potential, making the inside of the cell less negative (becoming more positive).

3. Peak of Action Potential: If depolarization is sufficient, the membrane potential reaches a peak, usually around +30 mV. At this point, the Na+ channels close, and the neuron begins to repolarize.

4. Repolarization: Voltage-gated potassium (K+) channels open, allowing K+ ions to move out of the cell, restoring the negative charge inside the cell. This causes the membrane potential to return towards the resting potential.

5. Hyperpolarization: Sometimes, the cell becomes more negative than the resting potential due to the continued efflux of K+ ions. This is known as hyperpolarization.

6. Return to Resting Potential: The Na+/K+ pump and leak channels eventually restore the ionic concentrations to their resting state, and the membrane potential returns to -70 mV.

Local anesthetics interfere with this process by blocking the voltage-gated Na+ channels. When these channels are blocked, Na+ ions cannot enter the cell during depolarization, and the threshold for generating an action potential cannot be reached. As a result, the signal cannot propagate along the nerve fiber, and the sensation of pain is not transmitted to the brain.

The blockade of Na+ channels by local anesthetics is use-dependent, meaning that the drugs preferentially bind to and inhibit Na+ channels that are in their active or inactive states, which occur during neuronal firing. This is why local anesthetics are more effective when the nerve is actively transmitting pain signals.

In summary, by preventing the generation and propagation of action potentials in pain-transmitting neurons, local anesthetics effectively block the sensation of pain during dental procedures.

Answer:

it is C. Both processes can occur across semipermeable membranes.

Explanation:

they both equalize the concentration of two solutions into a membrane. hope this is helpful to you!

Answer:

i'm super positive its c hope you do well

Answer:

A caterpillar eats from a tree, and then is eaten by a bird. The bird is eaten by an owl. A rabbit eats grass and is eaten by a fox. A flea eats off of the fox. A caterpillar eats grass and is then eaten by a mouse. The mouse dies and is decomposed by mushrooms. A caterpillar eats grass and is then eaten by a mouse. A hawk eats the mouse, then dies and is decomposed by mushrooms.

Explanation:

We have two examples of food trophic web, the first is: The plant is eaten by the mouse, the snake, which feeds on the mouse, The eagle, which feeds on the snake. The second example is the phytoplankton serve as food for the krill, which serves as food for the penguin, and the seal feeds on the penguin. To understand more about levels .....

Food chain is the sequence of feeding between living beings, in which some feed on others, ensuring their survival. From the beings that produce their own food and generate energy, a sequence (chain) develops in which one living being is consumed by another. The last animal in this chain, after its death, will serve as food for the decomposing organisms, ending the cycle.

Each part of this chain is called a trophic level (feeding level). Every time a living being eats, the energy of the food has a part used in the form of calories and another part transferred to its consumer. The original energy is lost at the time of each transfer.

With this information, we can conclude the trophic levels of these animals and visualize the importance of the food web for the conservation of the ecosystem.

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Answer:

Surface

Explanation:

Earth absorbs infrared radiation and converts it to thermal energy. As the surface absorbs heart from the sun, it becomes warmer than the surrounding atmosphere/

Explanation: Natural gas is a limited resource. Natural gas is in the fossil fuel family and it's underground. I think it's pretty plentiful meaning that there's a lot in the United States of America. Many people use it for home heating instead of heating oil. Some people have oil trucks where the oil truck has to come and deliver oil to them.

So, natural gas is limited resource because it's a fossil fuel and it gives off emissions. It's in the ground and it's from years of decaying stuff. It's not like solar or wind power, it's a limited resource.

Lead can get into drinking water by entering a drinking water supply or from lead- containing piping, home plumbing or fixtures. Contamination of source water can occur due to discharge from industries that burn fossil fuels, mine, smelt, and manufacture.

that said i would go with A, or D on number one

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Sponges are unique in their simple body structure, filter-feeding method, lack of tissues and organs, and their position as some of the most primitive animals in the animal kingdom.

Sponges, also known as poriferans, are multicellular aquatic animals belonging to the phylum Porifera. They are one of the simplest groups of animals within the animal kingdom. Sponges are primarily marine organisms, although some species can be found in freshwater environments as well.

Sponges are filter feeders, meaning they extract food particles from the water as it passes through their bodies. Specialized cells called choanocytes line the internal canals and create currents that draw in water. Food particles, such as bacteria and plankton, are then trapped by these choanocytes and ingested.

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This is because the boiling point of phosphates is too high hence they do not naturally turn into a gaseous form in natural temperatures on the earth's surface. The boiling point of phosphorus is approximately 280 degrees centigrade. The boiling point of nitrogen is approximate – 195.8 degrees centigrade while that of -78.94 degrees centigrade

Gases can dissolve in an out of water due to (also determined by their partial pressures) while solids and liquids remain dissolved in the water unless temperatures get high enough to reach their boiling point and turn them into a gaseous phase of matter.  

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D

Scientists virtually use the entire spectrum of electromagnetic waves to study the universe. The different celestial objects emit or reflect different electromagnetic waves that can be detected by different sensors in satellites.

Explanation:

For example stars and supernova produce more gamma and X-rays hence this is widely used to observe and study them. Wherever there are gas clouds obscuring celestial objects, microwaves of radio waves can be used to observe the obscured objects because these waves can pass through the gas clouds and even the earth’s atmosphere . microwaves, for example, have been used to study the Cosmic Microwave Background that has been used to study the Big Bang theory of the Universe. Infrared is emitted by objects that produce heat. Therefore this type of wavelength can be used to peer in gas clouds to check for the birth of starts in planetary clouds.

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Answer:the answer is D “all of these” :)

Explanation:

Answer:

Otto Hann and Fritz Strassman was chemist. Following Enrico Fermi work, they begin to bombard uranium and also other element with the neutrons and find out series of decay products.

Explanation:

Answer:

C ALBERT

Explanation:

Answer:yes

Explanation:

Answer:

True

Explanation:

Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances.

Afferent nerve fibers carry signals from the somatic receptors to the posterior horn of the spinal cord or to the brainstem. So i beleive it is 4 but not too sure. Hope this helped a bit (:

The afferent fiber in a reflex arc carries signals from receptors to the central nervous system for processing, as part of the sensory path. Hence, the correct option is 2.

In the reflex arc, the function of the afferent fiber is to carry the signal from the receptor to the integration center for processing. This means that the afferent neurons, also known as sensory neurons, are responsible for conveying impulses inward towards the central nervous system (CNS) from sensory receptors in tissues and organs. They are vital in changing physical stimuli, such as touch, light, and sound into nerve impulses that can be understood and processed by the CNS.

Answer:

1.slowest

2. dissolved

3. youthful

4. faster

5. meandered

6. delta

Explanation:

A stream’s velocity is slowest at the bottom and edges. A stream’s invisible dissolved load represents (on average) about 15% of the mass of material transported. A stream with many rapids and waterfalls is likely a/an youthful stream. In a meander, water flowing around the outside of a curve flows faster than water flowing around the inside of the curve. An oxbow lake can form near a/an meandered stream. A delta is likely to form where a stream deposits sediment as it enters another body of water.

Wavelength is the distance between two identical or similar positions it means that it is the distance between crests or trough in the adjacent cycle of the waveform.

Wavelength is denoted by (lambda).

It is measured in meter, or centimeter, or millimeters.

Mathematical

Wavelength is equal to velocity divided by frequency,

So,

Wavelength (lambda) = Velocity/frequency.

Velocity is in meter per second.

Frequency is in 1/second.

Projectile motion is a type of motion in which a object is thrown from the surface earth at some angle it will take projectile projection .

Therefore, A stream’s velocity is slowest at the bottom and edges. A stream’s invisible dissolved load represents (on average) about 15% of the mass of material transported. A stream with many rapids and waterfalls is likely a/an youthful stream. In a meander, water flowing around the outside of a curve flows faster than water flowing around the inside of the curve. An oxbow lake can form near a/an meandered stream. A delta is likely to form where a stream deposits sediment as it enters another body of water.

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Answer:

It's A

Explanation:

Cellular respiration breaks down sugar into energy that plant cells use to grow.

A plant cell gets the energy it needs for cellular processes is best described by ATP being transported to cells that lack chloroplasts(roots, stems, etc.)

Hence, option B is the correct answer.

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