Why is the current the driving force of streams?

A) It carries aquatic life to where the nutrients are.

B) It mixes the nutrients and gases within the system.

C) It regulates the temperature of the stream.

D) It breaks down trash.

If you leave a plant in the dark for a long period of time, it will eventually die. This is because plants need light for photosynthesis, the process by which they convert light energy into chemical energy in the form of glucose, which is the plant's food. Without light, plants cannot produce food and they will exhaust their stored reserves of nutrients and energy.

Answer:

Edmentum

Explanation:

Got it right

Answer:

Vaccination is different from other types of medical benefits as it prevents us from diseases.

We take medicine to cure disease not to prevent the body from being diseased. But vaccination is used to prevent the body from being affected by harmful disease such as polio, hepatitis B, et cetera.

The attenuated or live form of microorganisms are injected in the body so that the body is prepared for the further attack by the microorganism.

Other medical health benefits cures the disease.

Explanation:

Height, the length of the wing, and hair color are examples of phenotypes. Phenotypes include blood cell or hormone levels in addition to observable features that can be examined and tested in a lab. Bb stands for babies with brown eyes and bb for those with blue eyes.

Height, the length of the wing, and hair color are phenotypic. Observable traits that can be assessed in a lab, such as the quantity of hormones or blood cells, are frequently included in phenotypes.

The genetic makeup of an individual is called their genotype. The two alleles that a person has inherited for a single gene are referred to by this phrase in more detail. A patient's clinical presentation is the observable manifestation of this genotype, or phenotype.

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Answer:

B, five legs

Explanation:

insects have 6 legs not 5

The characteristics of insects that is not true is that insects have FIVE LEGS.

Some of the characteristics possessed by insects are:

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An excessive amount of insulin produced might lead to high blood glucose levels. The statement in the points above is untrue. Higher blood glucose levels cause the pancreas to produce more insulin.

to maintain blood sugar processing. Hyperinsulinemia is seen here. Hyperglycemia, in which a person has abnormally high blood sugar levels, is distinct from hyperinsulinemia.

You might suffer hyperglycemia symptoms if your blood glucose is high at night. The term "hyperglycemia," sometimes known as "high glucose," does not refer to a single glucose level of insulin. While many people with diabetes try to keep their blood sugar levels below 180 mg/dl during the day, some people choose to aim for the lower range of 120 or 140 mg/dl at night, when they are not eating.

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Answer:

It could be any of the following except thymine.

The correct pathway of water through plants is from the soil to the root hairs, to the root cortex cells, to the xylem, to the leaf mesophyll cells, to the air spaces in leaf and finally to the stomata.

In these parts water moves in the form of;

The process of water carrying nutrient to all parts of the plant is called transpiration and involves the movement of water from the soil to the root hairs in liquid state, to the root cortex still in liquid form to the xylem, liquid to the leaf mesophyll and then evaporates to the air spaces in gaseous form to the stomata.

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The correct description of the appearance of K. pneumoniae growing in a Triple Sugar Iron slant is: alkaline slant, alkaline butt, H2S positive, gas + (option d).

Klebsiella pneumoniae is a gram-negative bacterium that can be identified based on its appearance on a Triple Sugar Iron (TSI) slant, which is a differential media used for the identification of enteric bacteria. The TSI slant contains sugars (lactose, glucose) and an indicator system to detect various metabolic reactions.

When K. pneumoniae grows on a TSI slant, it typically exhibits the following characteristics:

Alkaline slant: The pH indicator in the media turns alkaline due to the production of ammonia during glucose fermentation.

Alkaline butt: The entire medium turns alkaline, including the butt portion, indicating continued glucose fermentation.

H2S positive: K. pneumoniae can produce hydrogen sulfide (H2S), which reacts with ferrous sulfate in the media, forming a black precipitate.

Gas positive: The production of gas, usually in the form of carbon dioxide, causes cracks or lifting of the agar in the slant.

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Answer: 1. How can a healthy lifestyle lead to a healthy heart.

The heart is one of the vital if not the most vital organ of the human body,this is because it is the heart that pumps blood into systemic circulation so that the other body organs,tissues and cells can function adequately.

Any disease or injury to the heart virtually affects all other parts of the body. Therefore a healthy and proper functioning heart is important and this can only be achieved through a healthy lifestyle.

Lifestyles such as;

- Regular exercise/physical activity which will help one to loose excess weight and maintain physical fitness because when one is overweight,fat deposits on the wall of the artery narrowing the lumen/wall, this in-turn causes blood to exert more pressure as it moves through the artery and in-turn lead to hypertension and other heart conditions.

- Stop or limit the intake of alcohol because it increases your chances of getting stroke,heart attack and hypertension through the damage of heart muscles.

- Drinking enough water; this helps the kidney to filter away waste from the body preventing the waste from building up/accumulating in the body especially the heart and as such causing heart problems.

Managing of stress very well to prevent a higher risk of heart disease.

-Eat a healthy diet and manage your blood cholesterol level to prevent damage to heart muscles and blood vessels which will in-turn lead to cardiovascular disease.(High density cholesterol HDL is the good type of cholesterol and low density cholesterol (LDC) is bad for the body.

- Regular visit to a cardiologist when one has a family history of hypertension or any other heart disease.

2. HOW IS HYPERTENSION A BLOOD RELATED DISEASE?

Hypertension is a blood related disease because hypertension is caused when the force of blood along the lumen of artery (artery wall) is higher than normal. This exerted pressure by the blood gets too intense enough to cause a heart problem or a hear disease.

When the pressure gets too intense enough to rupture the artery wall,the individual comes with a heart condition known as stroke.

The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.

Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.

Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

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Answer:

The answer is c a gamete has two of the same alleles after meiosis 2

Explanation:

I took the test

The scenario that breaks the law of segregation is "a gamete produced has 2 of the same alleles after meiosis II".

LAW OF SEGREGATION:

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Having a high blood viscosity will slow down ability to climb stairs. This is

because high blood viscosity is associated with high blood pressure.

The binding of oxygen to the blood is reduced in a blood with high viscosity

as there is difficulty in the transport of blood for oxygenation due to its

higher density. This allows fro accumulation of carbon dioxide in the blood

which is harmful to body cells.

High blood viscosity will therefore reduce one's ability to climb stairs and

perform other activities.

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It is true that the movement of water and nutrients is critical for the survival of plants.

Water moves from areas with a high potential for water to areas with a low potential for water. Solute and pressure are the two elements that makeup water potential.

Due to the lower water potential of the air, transpiration is the process by which leaves lose water to the atmosphere. Water's ability to stick together causes the water that leaves lose to pull new water molecules up from the xylem, or soil. The negative pressure caused by the air's lower water potential puts tension on the water in the xylem.

As ions enter the xylem, lowering the water potential and triggering osmosis into the xylem, root pressure, also known as positive pressure, develops. Hydathodes carry water out of plants at the tips of their leaves thanks to the positive pressure in the xylem. Guttation is the name for this pressure. Sugar accumulation in phloem cells reduces their water potential. Osmosis in the phloem cell occurs when sugars are loaded into the cells; The phloem's water pressure buildup is supported by the cell walls.

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Answer:

It results in genetic variation in the species

Inherited color vision deficiencies are recessive. If both the parents are carriers of color vision deficiency genes, their child will inherit the trait. The carriers of these genes can perceive colors; however, they lack certain photopigments in their retina.

Due to the following reasons, color vision deficiencies would not have disappeared:

Color vision deficiencies are not life-threatening traits. Thus, they do not undergo natural selection. Color vision deficiencies occur with a low frequency (less than 8% of males have some form of color vision deficiency). Therefore, the carriers of these genes are not at a disadvantage from those who do not carry these genes. In some cases, color vision deficiencies could have an evolutionary advantage.

According to the hunter-gatherer hypothesis, individuals with red-green color vision deficiency were better able to detect prey in natural environments. Therefore, red-green color vision deficiency could be an evolutionary advantage compared to the population where all people perceive the same colors. It could be because the hunter-gatherer's deficiency can see through camouflage that may have been perfect for others with normal eyesight.

The carriers of color vision deficiency genes can see better through some color arrangements compared to people with normal vision. For instance, pilots with color vision deficiencies can see aircraft better than those with normal vision. Therefore, color vision deficiencies could be evolutionary advantageous when compared to a population in which all people perceive the same colors.

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Answer: One type, insertion/deletion RNA editing, involves the insertion or deletion of nucleotides and actually changes the length of the target RNA. The second type, RNA editing by base modification, changes an encoded nucleotide into a different nucleotide, without changing the overall length of the RNA.

Explanation:

Answer:

Deamination produces an adenosine-to-inosine substitution, one of the most common substitutions in RNA editing.

Gas exchange

The respitory and cardiovascular systems work to bring oxygen to cells and remove carbon dioxide by gas exchange. We inhale air through our lungs then it passes into our bloodstream to be used in respiration... and carbon dioxide is a waste product so it passes out of the blood and then is breathed out. Then the gases (Cabron dioxide and oxygen) pass in or out of the blo0dstream by diffusion.

Hope this helped ya have a good day bro cya)

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

Explanation:

The three experiments to prove the molecule is a neurotransmitter: Synthesis and storage, release by presynaptic axon terminal, and production of the same response on the postsynaptic cell as natural release.

The experiments described here will allow the scientists to prove that the molecule found is a neurotransmitter. The three experiments they can do to confirm their hypothesis are the following:

a. To prove the molecule is synthesized and stored in the presynaptic neuron, an experiment could be done where the presynaptic neuron is isolated and the molecule detected within it. They can do this by labeling the molecule and then using a microelectrode to isolate the presynaptic neuron. If the molecule is found within it, this would prove the first criterion.

b. To prove that the molecule is released by the presynaptic axon terminal upon stimulation, an experiment can be done where the presynaptic neuron is stimulated, and the released molecules detected. They can do this using a radio-labeled molecule and detect it using radioligand binding. If the molecule is found released, this would prove the second criterion.

c. To prove that the molecule produces a response on the postsynaptic cell that mimics its response by natural release via the pre-synaptic neuron, an experiment could be done where the postsynaptic neuron is isolated and then stimulated with the radio-labeled molecule. If the same response is produced as with natural release, this would prove the third criterion.

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Answer:

The species mentioned in the given question most likely come under the animal kingdom as the species exhibits no cell wall and has many cells, that is, it is multicellular. In the Kingdom Animalia, the general characteristics exhibited by the species is that they are multicellular, are eukaryotic species with the true nucleus, and possess cells with no cell wall.  

The species found in the rainforest would be an animal as if it had a cell wall, then the species would generally come under the category of fungi or plant. The species of animals found on the planet comes in different size and colors, and exhibit cells with organelles that do many activities essential for their existence.  

In this situation, an organization has found that more privacy breaches are happening, and as a result, the organization has to record all types of privacy breaches and issues that happen in the future. Privacy breaches can have a significant impact on individuals and organizations.

With the increase in the number of privacy breaches, the privacy of an individual or an organization is at risk. Organizations have a duty to protect the privacy of their clients, customers, and employees. They must ensure that the information they store is kept secure and confidential. When there is a breach of privacy, it can lead to a loss of trust, loss of business, and even legal action.

Therefore, it is essential for organizations to take privacy breaches seriously and take measures to prevent them from happening. In the case of an organization finding more breaches of privacy, it is necessary to record all types of breaches and problems involving privacy that occur in the future.

This is to ensure that the organization is aware of the issues and can take steps to prevent them from happening again. By recording these breaches, the organization can identify patterns and trends, which can help them to develop strategies to improve their privacy measures.

In conclusion, organizations have a responsibility to protect the privacy of individuals and should take measures to prevent breaches from happening. If breaches do occur, it is important to record them and take steps to prevent them from happening again in the future.

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Answer:

A hole in the center of the stage allows light to pass from the light source beneath the stage through the slide specimen, which should be centered over the hole in the stage. Keep the stage dry at all times

Explanation:

the explanation i the answer lol

The distance from the posterior pole where the leg would form requiring 1/16th amount of the morphogen which halves every 100µm will be: (C) 400µm.

Morphogen is the signaling molecule that can travel over long distances inside the living body. The morphogen travels to the target site where it can perform its action and initiate a cascade of signaling to achieve the desired final result.

In the given question if the morphogen decreases into half after every 100µm, then after travelling for 400µm it would becomes 1/16th of the original amount (1/2 × 1/2 × 1/2 × 1/2 = 1/16).

Therefore the correct answer is option C.

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The given question is incomplete, the complete question is:

Imagine a situation in which a morphogen has its source at the posterior end of a Drosophila embryo. Every 100µm from the posterior pole, the morphogen concentration decreases by half. If a cell required 1/16th the amount of morphogen found at the posterior pole to form part of a leg, how far from the posterior pole would the leg form?

A. 100µm

B. 160µm

C. 400µm

D. 1600µm

In this ocean food web, the primary producer is algae.

A food web is described as the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.

The fundamental purpose of food webs is to describe feeding relationship among species in a community and also Food webs can be constructed to describe the species interactions.

There are lots of autotrophs, lots of herbivores, and very few carnivores and omnivores in a healthy food web. This balance helps  the ecosystem's maintenance and biomass recycling.

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Answer:HELL NO THIS IS A TEST YOU CAN GET BANNED FROM BRAINLY LIKE THIS!!!

Answer:

Ty<3

Explanation:

Answer:

D

Explanation:

B is the answer for this question