2.) From where do lion cubs get their chromosomes? How does this happen to produce the pattern that you see?​

Answer:

Nucleolus

Explanation:

The nucleolus is an organelle within the nuceus that begins the assembly of ribosomes

Answer:

its 9 for the first one

Explanation:

look at the other ones they all contain a pattern of having half the amount

for 10 the correct answer is 9 since haploid means half the number of chromosomes

for 9 glucose is a product of the light independent reactions

for 7 cellulose is used by plants for structural support

person c

for question 12 A cytoplasm

The researcher who conducted an investigation on a blood disease carried by birds found out that the organism is unicellular and has a nucleus, cell wall, and the ability to produce spores. Based on this information, the organism belongs to the Kingdom Fungi.

The kingdom Fungi consists of unicellular and multicellular organisms that lack chlorophyll and reproduce asexually and sexually by forming spores. They are heterotrophic organisms, which means they depend on other organisms for their food. Fungi cells have a cell wall made up of chitin, which provides strength and rigidity to the cell wall. The cytoplasm of the fungal cells contains many specialized organelles, including nuclei, ribosomes, mitochondria, and Golgi bodies that carry out various metabolic activities.

The researcher's findings suggest that the organism is a unicellular fungus with a nucleus, cell wall, and the ability to produce spores. Spores play a crucial role in the fungal life cycle, as they allow the organism to reproduce and spread to new habitats. These spores can be transported by wind, water, or other organisms to colonize new areas.

In conclusion, based on the researcher's investigation, the organism she isolated from the blood of an infected bird belongs to the Kingdom Fungi.

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Answer:

could you please post a bigger picture of that so i can see the questions

Explanation:

Answer:

To store the cells DNA

Explanation:

Maintain it's integrity and facilitate it's transcription and replication

Answer:

Answer:

The four functions of the mouth in the digestive process is given below:

Explanation:

1. Digestive process starts from mouth.

2. It moistens food so it move more easily through esophagus into stomach.

3. Mouth produces saliva which has an enzyme that begins to break down starches in food.

4. Mouth chews food and digestion involves breaking down the food into simpler nutrients that can be used by cells.

The species, Balaenoptera musculus, is used by scientists but is more commonly referred to as "blue whale" by the general public.

Plural taxon Biological categorization, or taxonomy, is the study of taxa, or any unit utilized in it. From kingdoms to subspecies, taxa are ordered in a hierarchy; typically, a given taxon includes numerous taxa of lower grade.

Trees do not fall into a taxonomic category; instead, they are a collection of different plant species that also have developed primarily a trunk or branches to tower over other plants and compete with them for sunlight. Angiosperms, or hardwoods, make up the bulk of tree species; gymnosperms, or softwoods, make up the majority of the remaining species.

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Answer:

it is a = exosphere b = biosphere and c = hydrosphere

Explanation:

the exosphere takes part in rocks and soil etc. the biosphere takes part of animals and plants etc. and the hydrosphere takes part of any water like lakes, oceans, ponds etc.

i hope i helped!

The graph of growth moves upward and downward due to temperature of the medium.

That organism which grow best in the temperature range from 15°C to 25°C, the graph moves in the upward direction due to the presence of optimum temperature for the growth of that organism.

The organism which grow best in the temperature range from 5°C to 15°C, the graph moves in the downward direction because the water temperature is not suitable for the growth of that organism.

The organism which grow best in the temperature range from 25°C to 35°C, the graph also moves in the downward direction because the water temperature is not good for its growth so we can conclude that the growth rate increases and decreases due to temperature of water.

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Answer:

Probably a white rabbit and a grey ish one

Explanation:

hope this helps.

The nervous system controls the response through a series of steps: stimulus, sensory input, transmission, processing, motor output, response, and feedback.

The process begins with a stimulus, which can be internal or external. Sensory receptors detect the stimulus and convert it into electrical signals. These signals travel along sensory neurons to the central nervous system (CNS). In the CNS, the sensory information is processed, integrating it with other relevant signals and determining an appropriate response. The processed signals are then transmitted through motor neurons to the effectors, such as muscles or glands. The effectors generate the necessary action or physiological change as a response. Feedback from the response is received by sensory receptors, providing information for future adjustments. This sequential flow allows the nervous system to control and coordinate responses to various stimuli efficiently.

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Zero (0) children would be expected to have cystic fibrosis.

A genetic condition that affects the pancreas, lungs, and other organs, cystic fibrosis progresses over time.Cystic fibrosis can afflict persons of any race or ethnicity, and there are about 40,000 children and adults living with CF in the United States (and an estimated 105,000 people have been diagnosed with it worldwide).

Mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene result in the malfunctioning of the CFTR protein in CF patients. Chloride, a salt component, cannot be moved to the cell surface when the protein is not functioning properly. The mucus in different organs gets thick and sticky when there isn't enough chloride to draw water to the cell surface.

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Yes, the amount of UV light that Australians get does contribute to their high skin cancer rates. Australia has the highest rate of skin cancer in the world, and this is largely due to the country's high levels of UV radiation. Australians are exposed to more UV radiation than people in other parts of the world due to the country's location in the Southern Hemisphere, which is closer to the sun. Additionally, the ozone layer over Australia is thinner than in other parts of the world, which allows more UV radiation to reach the surface. This increased exposure to UV radiation increases the risk of skin cancer, and is a major factor in Australia's high skin cancer rates. In conclusion, the amount of UV light that Australians get does contribute to their high skin cancer rates. Australians are exposed to more UV radiation than people in other parts of the world due to their location in the Southern Hemisphere, and the thinner ozone layer over Australia allows more UV radiation to reach the surface. This increased exposure to UV radiation increases the risk of skin cancer, and is a major factor in Australia's high skin cancer rates.

Claim: The amount of UV light that Australians get contributes to their high skin cancer rates. 

Reasoning: Australians are exposed to more UV light than people in other parts of the world due to their location near the equator and the hole in the ozone layer over the continent. 

Evidence: According to the World Health Organization, Australia has the highest rate of skin cancer in the world, with two in three Australians being diagnosed with skin cancer by the age of 70. Additionally, the Australian Radiation Protection and Nuclear Safety Agency has reported that Australians receive up to 15 times more UV radiation than people in other parts of the world.

Visceral reflex arcs can bypass CNS neurons in autonomic reflexes. Autonomic reflexes are a type of reflex that involve the activation of visceral organs such as the heart, lungs, and intestines.

These reflexes are responsible for regulating the involuntary functions of the body, such as breathing, heart rate, and digestion. Visceral reflex arcs are pathways that connect the sensory receptors in the viscera (organs) to the motor neurons that control them. Unlike somatic reflexes, which involve conscious or voluntary movements, autonomic reflexes are unconscious and automatic. They are mediated by the autonomic nervous system (ANS), which controls the body's internal organs and glands. In autonomic reflexes, the sensory information from the viscera is transmitted directly to the motor neurons in the spinal cord or brainstem, bypassing the higher centers of the CNS. This allows for a rapid and automatic response to changes in the internal environment of the body.

Overall, the bypassing of CNS neurons in visceral reflex arcs during autonomic reflexes is an important mechanism that helps to regulate and maintain the homeostasis of the body.

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E measures the amplitude of the wave, which is the maximum displacement of the wave from its equilibrium position.

The measurement labeled E on the snapshot of a wave represents the amplitude of the wave.

Amplitude is defined as the maximum displacement of the wave from its equilibrium position.

In other words, E measures the distance between the crest or peak of the wave and its equilibrium position.

The larger the amplitude, the more energy the wave carries.

The amplitude of a wave can be affected by factors such as the energy of the source that produced the wave, the distance the wave has traveled, and the medium through which the wave is traveling.

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Answer:

Detail is given below.

Explanation:

Given data:

Mass of enzyme = 32 g

Volume of water = 42.50 mL

Volume of water+ enzyme = 48.0 mL

Density of enzyme = ?

Solution:

Density is equal to the mass divided by volume.

First of all we will calculate the volume of enzyme.

Volume of enzyme = (volume of water+ enzyme ) - Volume of water

Volume of enzyme = 48.0 mL - 42.50 mL

Volume of enzyme =  5.5 mL

Density of enzyme:

d = 32 g/  5.5 mL

d = 5.8 g/mL

2)

Given data:

Mass of cup = 14 g

Volume of cup = ?

Density of cup = 2 g/cm³

Solution:

Density is equal to the mass divided by volume.

Formula:

d = m/v

2 g/cm³  = 14 g/  v

v = 14 g/2 g/cm³

v = 7 cm³

3) What are the four ways to measure matter?

weight, mass, volume, density

4) Given data:

Mass of rock = 18.5 g

volume of rock = 3cm³

density of rock = ?

Solution:

Formula:

d = m/v

d  = 18.5 g/ 3cm³

v = 6.16 g/cm³

5)

Given data:

mass = 6g

density = 8 g/cm³

missing value = ?

Solution:

d = m/v

8 g/cm³ = 6g / v

v = 6g/8 g/cm³

v = 0.75cm³

6)

Given data:

Volume of liquid in cylinder = 48 mL

Volume of toy car and liquid = 52 mL

Volume of car = ?

Solution:

Volume of car = volume of of toy car and liquid - Volume of liquid in cylinder

Now we will put the values.

Volume of car = 52 mL - 48 mL

Volume of car = 4 mL

Answer:

helps filter out ultraviolet radiation harmful to plants and animals

Seedless vascular plants are able to grow larger than bryophytes due to their ability to transport water and nutrients more efficiently through their vascular tissues.

Vascular plants have specialized structures called xylem and phloem, which allow for the efficient transport of water and nutrients throughout the plant. This allows for larger, more complex structures to be supported, such as the tall ferns and horsetails commonly seen in wetland habitats. In contrast, bryophytes lack vascular tissues and must rely on diffusion to transport water and nutrients from cell to cell.

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Answer: These are the options.

A. Calf

B. Chest

C. Upper Back

D. March and Reach

Option C is correct

Upper back stretch.

Explanation:

Upper back stretch is an example of static stretch because it entails placing your muscles in a position where it can be stretch or extended for a period of time because it lengthen the stride and also improve flexibility of muscles.

To do upper back stretch, first stand talk, let the feet be very wide even than the shoulder, let the knees be apart and bent. Interlock your fingers, stretch your hands from your chest and make sure your upper back relax.

The reason for this is that the peptide LKAENDEAARAMSEA has a higher propensity for alpha-helix formation than CRAGGFPWDQPGTSN. Peptide helix propensity is influenced by several factors, including the presence of certain amino acid residues that are known to favor helix formation So the correct option is A.

In particular, the peptide LKAENDEAARAMSEA contains several amino acid residues that are known to promote helix formation, such as alanine (A) and leucine (L), which have a high propensity for forming alpha-helices. Additionally, the peptide contains several charged residues (Lysine (K) and Glutamic acid (E)) which can stabilize the helical conformation by forming salt bridges.

On the other hand, CRAGGFPWDQPGTSN lacks such amino acid residues that favor helix formation, and instead has a higher proportion of proline (P), which is known to disrupt helical structure due to its rigid cyclic structure.

Therefore, based on the composition of the peptides, LKAENDEAARAMSEA is more likely to take up an alpha-helical structure than CRAGGFPWDQPGTSN. However, it's important to note that factors such as solvent conditions, temperature, and concentration can also influence the structure adopted by a peptide.

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Answer:

D) chemoautotrophs

Explanation:

Chemoautotrophs are cells that create their own energy and biological materials from inorganic chemicals.

In nature, “autotrophs” are organisms that don’t need to eat because they make their own biological materials and energy. This term comes from the Greek “auto” for “self” and “troph” for “to eat” or “to feed.”

Autotrophs form the basis for all food chains: they are the organisms which create sugars, proteins, lipids, and other materials for life. All other organisms survive by eating autotrophs, or other organisms that are fed by the autotroph food chain.

The two major types of autotrophs are chemoautotrophs and photoautotrophs. Photoautotrophs use energy from sunlight to make their biological materials. These include green plants and photosynthesizing algae.

This flow chart may be useful in determining whether an organism is an autotroph, and if so, which kind it is:

Troph flow chart

Chemoautotrophs, on the other hand, derive energy for their life functions from inorganic chemicals. They feed on chemicals that are good electron donors, such as hydrogen sulfide, sulfur, or iron.

Like all autotrophs, chemoautotrophs are able to “fix” carbon. They take atoms of carbon from inorganic compounds, such as carbon dioxide, and using it to make organic compounds such as sugars, proteins, and lipids.

Chemoautotrophs are commonly found in environments where plants cannot survive, such as at the bottom of the ocean, or in acidic hot springs.

Some types of chemoautotrophs also play critical roles in plant-based ecosystems. Although plants perform carbon fixation in these ecosystems, many plants rely on chemoautotroph bacteria to fix nitrogen, which is necessary to make amino acids and proteins.

Function of Chemoautotroph

Basis of Ecosystems Without Sunlight

Chemoautotrophs form the basis of the energy pyramid for ecosystems where photosynthesizers can’t survive. Without chemoautotrophs, life would only be able to exist where energy could be derived from sunlight.

They are the basis of some deep sea ecosystems, such as those existing around deep sea hydrothermal vents.

Scientists have speculated that chemoautotrophs could form the basis of life on planets which receive less sunlight than earth.

Nitrogen Fixation

One type of chemoautotroph, Nitrosomonas, plays the crucially important role of fixing nitrogen in the soil of some ecosystems. Like most chemoautotrophs, Nitrosomonas can take toxic chemicals – in this case ammonia – and turn it into materials for life.

Nitrosomonas harvests nitrogen from ammonia, and fixes it into organic compounds which can then be used to produce amino acids, proteins, and other crucial materials for life.

Possible Origin of Life

We have no fossils of the first cells on Earth, so we are not able to say at this time what they were like. We know that they had to be autotrophs, since they would have had to produce all of their own organic materials.

Some scientists think that the first cells were likely photoautotrophs, deriving energy form sunlight – but other scientists think the first cells may have been chemoautotrophs, and that photosynthesis may have evolved later.

If true, this would make all of us descendants of chemoautotrophs!

Examples of Chemoautotrophs

Nitrosomonas

Nitrosomonas is a genus of nitrogen-fixing bacteria.

As you may have guessed, “nitrogen fixation” means taking nitrogen from inorganic compounds, such as ammonia, and assembling it into organic compounds, such as amino acids.

Nitrogen fixation is crucial for many ecosystems, even some which rely primarily on plants. Many plants cannot fix their own nitrogen – meaning that they require nitrogen-fixing bacteria in the soil, or they cannot obtain the nitrogen compounds they need to live.

Nitrogen fixation is an extremely important concept in agriculture, where many crops cannot perform nitrogen fixation themselves. To ensure that the soil contains enough organic nitrogen compounds to grow, farmers much either make sure that there are enough nitrogen-fixing bacteria present to sustain their crops, or add artificial nitrogen compounds in the form of fertilizers.

Of note, some nitrogen-fixing bacteria have developed permanent symbiotic relationships with certain plant species. These include the symbiotic bacteria found in nodules on the roots of “nitrogen-fixing” plants such as legumes. However, these nitrogen-fixing bacteria are not chemoautotrophs, as they have evolved to rely upon their plant hosts for food. They are no longer autotrophs, as they are no longer able to feed themselves.

Other types of nitrogen-fixing bacteria remain independent, and are still chemoautotrophs.

The structure of the spleen and lymph nodes are composed mainly of Reticular loose connective

The spleen is the body's biggest lymphatic organ. The spleen is made up of two types of tissue: white pulp and red pulp. It is surrounded by a connective tissue capsule that continues inside to split the organ into lobules. The white pulp is lymphatic tissue made up primarily of lymphocytes that surround arteries.

Lymph nodes are made up of lymph tissue and other types of cells, such as white blood cells (lymphocytes). Lymph nodes and other lymphatic organs such as the spleen and thymus contain lymphocytes, which are unique white blood cells. These may rapidly proliferate and produce antibodies in response to bacteria, viruses, and a variety of other stimuli emitted by dead or dying cells, as well as improperly behaving cells such as cancer cells.

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Full Question

The structure of the spleen and lymph nodes are composed mainly of ______-

Answer:

carbon dioxide

hope this helped

Explanation:

Answer: Photosynthesis and respiration are the two essential processes that allow life to sustain on earth. In a way, they are a cycle — plants help humans breathe by providing us with oxygen, and humans help plants "breathe" by providing them with carbon dioxide.

Cord-mediated reflexes are generally much faster than those involving input from the higher brain centers because cord-mediated reflexes involve only spinal cord neurons, while brain centers (such as the cerebral cortex and brainstem) are involved in reflexes that require sensory input from other areas of the body.

Cord-mediated reflexes involve a direct connection between sensory neurons and motor neurons in the spinal cord. When a sensory neuron is stimulated, it sends an electrical impulse to the spinal cord, which then activates a motor neuron, causing a muscle to contract. This process takes only a few milliseconds, and the reflex response is almost instantaneous.

Brain centers, on the other hand, are involved in reflexes that require sensory input from other areas of the body. For example, when you touch a hot stove, your sensory neurons send a signal to the spinal cord, which then sends a signal to the brainstem. The brainstem then sends a signal to the cerebral cortex, where the signal is processed and a decision is made about how to respond. This process takes much longer than a cord-mediated reflex and can take up to half a second or more.

Therefore, cord-mediated reflexes are generally much faster than those involving input from the higher brain centers.

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Answer:

b. It allows all organisms to be placed into several varieties of taxonomic ranks.

Explanation:

A scientific name is important for every species because it helps to avoid confusion created by common names of two or more species or organisms. In every region there is a name for an organism which causes problem so the scientists suggest that there must be a naming system which is used all over the world so they choose a dead language to giving scientific names to the organisms present all over the world for easily recognition.

Answer: The option that is NOT true is:

C. Its primary fuel is fat.

Explanation:

Anaerobic metabolism does not primarily rely on fat as its fuel source.

The correct answer is Option (c)

Option (c) Its primary fuel is fat, which is NOT true of anaerobic metabolism.

Let's delve into the topic by breaking down the words anaerobic, which gives us an-aerobic.

Aerobic refers to anything, which involves the presence of air, or more specifically oxygen. Thus any aerobic activity would involve the presence and usage of oxygen for its necessary functions.

Anaerobic would thus mean any activity which doesn't require the presence of oxygen.

Anaerobic metabolism defines the process by which cells, without the presence of oxygen, produce energy for their work. When the supply of oxygen is limited, cells opt for this alternative pathway to produce energy to keep themselves running.

Here, the breakdown of glucose occurs even in limited oxygen to give us ATPs (Adenosine Triphosphate), the energy currency of the cell.

Coming back to the question, we go through the options one by one.

During high-intensity activities like sprinting or heavy exercise, your lungs don't work fast enough to provide the body with enough air. Thus the glucose gets decomposed without the presence of oxygen to give the body the energy it needs through anaerobic respiration.

Thus, option A is correct.

Anaerobic respiration or metabolism occurs in the fluid part of the cell known as the cytosol, due to the availability of a suitable environment for chemical reactions.

Thus option B is correct.

Anaerobic metabolism doesn't require oxygen, as discussed before.

Thus option D is correct.

But, the primary source of fuel for running anaerobic chemical reactions is not fat, but glucose which breaks down to give ATP.

Thus, option C is incorrect.

Thus, the answer to the question is option C.

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The number of deaths (from predation and famine) must be subtracted from the number of births in order to determine the growth rate of deer

The number of fatalities (predation + famine) must be subtracted from the number of births (944 - (880 + 180)) in order to determine the growth rate of deer in 1974. This positive figure, 884, indicates growth.

The number of fatalities (predation + famine) must be subtracted from the number of births (996 - (880 + 26)) in order to determine the growth rate of deer in 1975. This positive figure, 90, indicates growth.

In order to determine the deer population growth rate in 1976, we must subtract the number of fatalities (from famine and predation) from the number of births (836 - (960 + 2)), which results in a negative value of -126, indicating a population fall.

¹.

We need to deduct the number of deaths (predation + famine) from the number of births (788 - (840 + 0)) to determine the growth rate of deer in 1977. This gives us a negative value of -52, which indicates a population decline1.

The number of fatalities (predation + famine) must be subtracted from the number of births (766 - (720 + 0)) to determine the growth rate of deer in 1978. This gives us a positive figure, 46, which indicates a population increase.

Predation: What is it?

Predation is the process of consuming other animals. Predation, as it relates to the expansion of the deer population, refers to the quantity of deer killed by predators like wolves, coyotes, and mountain lions.

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Studying thousands of years of climate data and plant distribution data from a specific area can help explain the area's current composition of plant species in several ways.

Here are some examples: Climate change: Climate data can be used to determine how the climate in the area has changed over thousands of years. This can help explain how the distribution of plant species has changed over time in response to changes in temperature, precipitation, and other environmental factors. Historical events: Historical events such as natural disasters, human settlement, and land use changes can also affect the distribution of plant species in an area.

By studying plant distribution data from thousands of years ago, researchers can gain insight into how these events have affected the composition of plant species in the area over time. Evolutionary processes: Plant species that are found in a particular area today have likely evolved in response to the local environment over thousands of years.

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Explanation:

the answer is

A》C》D》B

and B is the last because it's already in the process of cell division.