The rough endoplasmic reticulum is:
an intracellular double-membrane system to which ribosomes are attached
an intracellular membrane that is studded with microtubular structures
a membranous structure found within mitochondria
only found in prokaryotic cells

Auxin builds up in the lower portions of the root if it is not growing downward vertically, which prevents cell elongation and causes the root to bend toward gravity.

A directional growth of the an organism in reaction to gravity is known as geotropism (also known as gravitropism).While shoots exhibit negative geotropism as they grow upward, roots exhibit positive geotropism if they grow downward.

Statocysts detect the local angle of the developing organ with respect to the gravitational field, which causes shoot gravitropism.The organ bends as a result of differential gene expression & cell elongation caused by greater lateral transport of a hormone auxin to a lower side.

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Answer:

it C : in stems, more auxin causes cell to grow longer, in roots , less auxin causes, cell to grow longer

2) The mass after the reaction will also be 30 grams.

3) The mass of the product will be 149 grams.

The law of conservation of mass states that mass can neither be created nor destroyed during the course of a reaction. However, the mass can be converted to different forms during the course of the reaction.

Thus, if 30 grams of elements react, the mass after the reaction will remain 30 grams. Although the elements might have been converted to different forms.

If potassium reacts with chlorine to produce potassium chloride, the equation of the reaction will be:

 K + Cl ---> KCl

78 g of potassium = 78/39 = 2 moles

72 g of chlorine = 71/35.5 = 2 moles

2 moles of KCl = 2 x 74.5 = 149 grams.

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Answer:

(Question) What does the Law of Conservation of Mass state?

(Answer) The total mass of all of the reactants prior to a chemical reaction must equal the total mass of all the products after the reaction.

(Question) If the mass of elements before a chemical reaction is 30 grams, after the chemical reaction, the mass will be __.

(Answer) 30 grams

(Question) 78 g of potassium (K) react with 71 g of chlorine (Cl) to produce potassium chloride. According to the Law of Conservation of Mass, what is the mass of the product (2KCl)?

(Answer) 149 g

(Question) 2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of potassium oxide (K2O) will be produced?

(Answer) 7

(Question) Which of the following equations demonstrates the Law of Conservation of Mass?

(Answer) CH4+O2→C+2H2O

Explanation:

just finished the quick check UwU

Answer: at each trophic level of organisms It is an upright pyramid because producers are always more numerous in an ecosystem than other trophic levels. Charles Elton proposed the number pyramid in 1927. Charles emphasized the significant difference in the number of organisms involved in each level.

Explanation: Numbers pyramid Definition One of the three diagrammatic representations used in ecology to depict the ecosystem is a pyramid of numbers. This diagram depicts the total number of organisms at each level of the food chain.

Pyramid of Numbers Overview

Significant Ecological Pyramids:

Pyramid of Numbers Varieties:

The Ecological Pyramids' Importance:

The world resources simulation center being intended to address both current and future resource problems is True.

This is referred to as a visualization facility where you can see the trends, issues and how their the relate with one another.

The consequences of such relationships is also seen which is why it helps to address both current and future resource problems.

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Answer:

True!

Explanation:

Got a 100%!

The type of population growth curve that displays ever increasing growth rates followed by a leveling off to no growth is described as being the S-shaped curve.

An rise in the number of organisms on a certain habitat is referred to as population growth. Until there is no more room for population growth, a habitat's population will continue to grow. Graphs are a visual way to represent population growth.

The logistic growth model is shown as an S-shaped (sigmoid) curve.

In logistic growth, a population's rate of per capita growth declines as it approaches the carrying capacity, a limit imposed by the environment's limited resources. An s-shaped population growth curve indicates that the population increased gradually at first and then exponentially for a while.

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The cells in the brain and spinal cord begin to die without constant perfusion within 4 to 6 minutes. The correct option is a.

Perfusion is the delivery of oxygen and nutrients to the tissues of the body through the bloodstream. If this blood supply is disrupted, the tissues may be deprived of oxygen, which can lead to cell death. The brain is particularly susceptible to damage from hypoxia (low oxygen levels), and if the blood supply is cut off for more than a few minutes, permanent brain damage or death can occur. Brain cells begin to die within 4 to 6 minutes without constant perfusion.

The nervous system depends on a constant supply of glucose and oxygen to function properly. The spinal cord, like the brain, is part of the nervous system and requires adequate blood flow to function correctly. The duration for spinal cord cell death is unknown, but it is reasonable to assume that it is similar to brain cell death because both tissues have high oxygen and glucose requirements.

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Answer:

The mitochondria is the main cellular structure involved in respiration

Exotoxins:

1. Cells that are actively developing create and secrete these toxins.

2. The antitoxin produced by the host as a response is usually.

3. These poisons may be poisonous in nanogram quantities.

4. Either gram-negative or gram-positive bacteria can create these poisons.

5. Some examples include staphylococcal enterotoxin, cholera toxin, and tetanus toxin.

6. These toxins may be present in food, but cooking normally renders them inactive.

Endotoxins:

1. When bacterial cells are phagocytosed or die, these toxins are frequently released.

2. Even if a pharmaceutical or medical gadget is fully devoid of microorganisms, this toxin may survive sterilizing procedures and infect them.

3. Gram-negative bacteria alone are responsible for producing these poisons.

4. A large portion of the pathology brought on by Neisseria meningitides and Salmonella typhi is attributable to these toxins.

Exotoxins and endotoxins both:

1. The host may die as a result of these toxins

2. Viruses cannot create these toxins; only bacteria can.

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Answer:

The one you chose would be the correct answer! I read through it all and it seems like the best answer yet!

If the genome contained 20,000 genes, the average length of DNA per gene will be 40,000 base pairs.

Only 2.5% of the human genome is protein-coding. Introns make up the remaining 97.5%. The male nuclear diploid genome is 6.27 Gigabase pairs (Gbp), 205.00 cm (cm) long, and 6.41 picograms in weight (pg). Female measurements are 6.37 Gbp, 208.23 cm, and 6.51 pg.

For a 25% mammalian genome with 20,000 genes, the total number of base pairs, which is the length of DNA per gene, will be approximately double the amount of genes contained in the genome, in this case 40,000.

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Answer:

While spiral galaxies are bright, elliptical galaxiesare dim. Spiral galaxiesare hotbeds of star formation, but elliptical galaxies aren't nearly as prolific because they contain less gas and dust, which means fewer new (and brighter) stars are born.

Explanation:

Please mark as brainlist answers.

Answer:

Carbohydrates: molecules composed of sugar monomers. They are necessary for energy storage. Carbohydrates are also called saccharides and their monomers are called monosaccharides. Glucose is an important monosaccharide that is broken down during cellular respiration to be used as an energy source.

Explanation:

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HOPE ITS HELP

GOD BLESS

#HELPING IS CARING

Solution:

Genetic engineering has helped to propose the use of new drugs, proteins, or the use of DNA to control and correct cellular defects, as well as activate the immune response to eliminate the tumor cell.

On the other hand, genetic engineering is used to generate new vaccines, such as recombinant vaccines.

Finally, genetic engineering is used to generate transgenic organisms or transgenic products.

So, we can conclude that the correct answer is:

New Vaccines

Cancer drugs

Seedless grapes

Answer:

near a dormant volcano deep under earths surface

Explanation:

Answer: the answer is simple its adding chemical fertilizers to the soil

Explanation:

Humans can alter the phosphorus  cycle in many ways, including in the cutting of tropical rain forests and through the use of agricultural fertilizers. Crops often cannot absorb all of the fertilizer in the soils, causing excess fertilizer runoff and increasing phosphate levels in rivers and other bodies of water.

If blood supply to an arm is cut off, the arm would become ischemic, which means that there would be no blood flow to the tissues in the arm, which could lead to tissue damage or death and after five minutes, the blood in the arm would have decreased oxygen levels, increased carbon dioxide levels, increased acidity, and decreased pH.

The correct option to the given question is option d.

If blood supply to an arm is cut off, the arm would become ischemic. The absence of blood supply means that the cells in the arm would not receive oxygen or nutrients, which are essential for cell function and survival.
After five minutes, if blood in the arm is sampled and analyzed, the following changes would be observed:
Decreased oxygen levels: Since blood is not flowing to the arm, oxygen levels in the blood would decrease. This would lead to hypoxia, which is the condition of not having enough oxygen to meet the body's needs.
Increased carbon dioxide levels: As oxygen levels decrease, carbon dioxide levels in the blood would increase. Carbon dioxide is a waste product of cellular metabolism, and it is normally carried away by the blood to be exhaled by the lungs. If blood flow is cut off to the arm, carbon dioxide would build up in the tissues.
Increased acidity: When cells are deprived of oxygen, they switch to anaerobic metabolism, which produces lactic acid. The accumulation of lactic acid in the tissues would lead to an increase in acidity.
Decreased pH: As a result of the increased acidity, the pH of the blood would decrease. pH is a measure of how acidic or alkaline a substance is. A lower pH indicates higher acidity.thus, correct option is d.

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Persistent viruses like Varicella zoster, the virus that causes Chicken Pox and Shingles, can reactivate periodically. These are latent viruses.

Shingles are caused by the Varicella-Zoster virus, a member of the herpes virus family. Chickenpox is an infectious disease that usually occurs in childhood and is characterized by itchy red spots and blisters that cover the entire body. Shingles is a painful skin rash that occurs later in life, caused by the reactivation of the Varicella-Zoster virus, which remains dormant in the body after a person has recovered from chickenpox.

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Maslow's Hierarchy of Needs was transformed by Clayton Alderfer into the three-factor ERG model of motivation. According to Maslow's theory, people never reach a stable degree of need satisfaction.

In Alderfer's concept, the letters E, R, and G stand for existence, relatedness, and growth, respectively. A content theory of motivation is the ERG model. According to Alderfer's paradigm, these three demands are what drive all human motivation. Existence, which is the first of Alderfer's 3 necessities, is the most immediate and pressing necessity. It generally relates to both physical and psychological survival.

The need for a positive relationship with oneself, a sense of belonging, and relatedness has advanced. The least obvious but nevertheless important component of the ERG model is Alderfer's drive for growth, which is really tied to growth, happiness, and the experience of reaching one's potential.

Maslow's theory would imply that people should strive to meet their immediate needs while at work, and that managers and leaders should concentrate on assisting their teams in meeting one particular level of need at a time. Before going on to the next level of demands in Maslow's Hierarchy of demands, people must have satisfied the previous one. For instance, they must first have their demands for safety met before being driven by a sense of social connection.

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Answer:

When the per capita rate of increase ( r) takes the same positive value regardless of the population size, then we get exponential growth. When the per capita rate of increase ( r) decreases as the population increases towards a maximum limit, then we get logistic growth.

Answer:

False

Explanation:

Space is the region of the universe outer to the planet. If anyone is sent to space then their mass remains the same but weight changes.

Weight includes the mass and the gravitational acceleration. It gets altered in space because the gravity differs at space and planets and hence the weight being dependent on gravity will be changed in space.

Mass is the product of the density and volume of the object occupied in a specified place. The mass of the object does not depend on gravity and hence does not get altered in space.

Therefore, the correct blanks are option D. mass and weight.

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The correct choices associated with high glycolysis rate are:

A high glycolysis rate has been linked to the following:

Levels of cyclic adenosine monophosphate (cAMP) that are elevated can activate protein kinase A (PKA). PKA, in turn, stimulates glycolysis by phosphorylating and activating critical enzymes in the glycolytic pathway.

Fructose 6-phosphate is an intermediary in the glycolytic process, and its levels have decreased. Reduced levels of fructose 6-phosphate can be an indicator of greater consumption of glucose by glycolysis. This is because fructose 6-phosphate is being transformed into downstream metabolites.

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D. Antidiuretic hormone.

Cortisol is a substance is associated with immunosuppression in shock. Option (B) is correct.

Cortisol is a hormone produced by the adrenal glands in response to stress. During shock, the body undergoes a significant stress response,

leading to the release of cortisol. Cortisol plays a crucial role in regulating the immune system. However, in high levels, it can have immunosuppressive effects.

During shock, cortisol levels rise as part of the body's stress response. High levels of cortisol can suppress the immune system, inhibiting immune cell function and reducing the body's ability to mount an effective immune response. This immunosuppression can leave the individual more susceptible to infections and impair the body's ability to fight against pathogens.

It's important to note that while cortisol has important regulatory functions in the body, excessive or prolonged elevation due to conditions like shock can have negative effects on the immune system.

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The environment in which a species lives plays a crucial role in determining the type of fertilization and development that occurs, as organisms have evolved different strategies to adapt to the challenges and opportunities presented by their surroundings.

The environment in which a species lives plays a critical role in determining the type of fertilization and development that occurs. This is because different environments present different challenges and opportunities for reproduction and survival, and organisms have evolved different strategies to cope with these challenges.

For example, in aquatic environments, fertilization often occurs externally, with males and females releasing their gametes (eggs and sperm) into the water, where they combine and develop into larvae. This strategy allows for a greater dispersal of offspring, as the larvae can be carried by water currents to new locations.

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answer:

During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes. ... The replicated chromosomes have an X shape and are called sister chromatids

Explanation:

Answer:

Which statement best describes how Poe creates mood in the excerpt?

Poe uses rhyme to create an optimistic mood.

Poe uses rhyme to create a nostalgic mood.

Poe uses rhyme and onomatopoeia to create a rowdy mood.

Poe uses rhyme and onomatopoeia to create a boastful mood.Explanation:

Answer:

the study of heredity and the variation of inherited characteristics.

Explanation:

Answer:

Genetics is the study of DNA and traits this study involves the understanding of genes and biolog.

Answer: The reason for the increased number of drug-resistant bacteria being found in hospitals is due to MISUSE and OVERUSE of antibiotics.

Explanation:

Antibiotics is a type of drug that attacks bacteria microorganisms either by killing or eliminating the bacteria (that is, bactericidal) or by preventing further growth of the bacteria (that is, bacteriostatic). Antibiotics should be taken properly while being used to treat any diseases condition to prevent drug resistance by the bacteria from occurring.

The reason for the increased number of drug-resistant bacteria being found in hospitals is due to MISUSE and OVERUSE of antibiotics. This causes the bacteria to change the way they respond to these medicines making them become antibiotic resistance. When they infect an individual, the infections they cause are harder to treat than those caused by non-resistant bacteria.