Answers
Answer:
Without fertilizers, nature struggles to replenish the nutrients in the soil. When crops are harvested, important nutrients are removed from the soil, because they follow the crop and end up at the dinner table. If the soil is not replenished with nutrients through fertilizing, crop yields will deteriorate over time.
Explanation:
this is not mine fyi
Related Questions
Histamine is a chemical substance released in inflammatory and allergic responses. The histamine H1 receptor on target cells is a G protein-coupled receptor that activates phospholipase C in response to the binding of histamine.
Which statements are true about the binding of histamine to the histamine H1 receptor?
Answers
Histamine is a chemical substance that is released in inflammatory and allergic responses. The following statements are true:
-Histamine binds extracellularly to the H1 receptor.
-When histamine binds to H1 receptor, the receptor undergoes a conformation change and binds the inactive G protein.
-Once the G protein is active, it binds to enzyme phospholipase C, activating it.
-Histamine is likely to be hydrophilic.
When histamine interacts with a target cell, it binds extracellularly to the H1 receptor, causing the receptor's shape to change. The G protein's altered shape allows it to bind to the H1 receptor, causing a GTP molecule to displace a GDP molecule and activating the G protein. The active G protein dissociates from the H1 receptor and binds to, and activates, the enzyme phospholipase C. A cellular response is triggered by active phospholipase C. The G protein then functions as a GTPase, hydrolyzes GTP to GDP. The G protein separates from the enzyme and becomes inactive, ready to be reused.
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Palisade mesophyll cells have very large vacuoles.
Explain how water moves from the xylem in the leaf into these vacuoles.
Answers
Answer:
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1-Water is passively transported into the roots and then into the xylem. 2-The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. 3- Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.
what was the speed of a car that traveled 240 m in 12 s
Answers
Answer:20
Explanation: Because when you divied 240 by 12 you get 20.
240/12=20
Answer:
20m/s
Explanation:
Speed is equal to distance/time. Since we know that the distance is 240m and the time taken to travel 240m was 12 seconds, we can divide them 240/12 and once we do this we can get our final answer of 20m/s.
Which of the following means HOW an organism makes its living, in other
words how it gets its energy?
O Habitat
O Niche.
O Food chain
O Food web
Answers
This is a type of diagram that shows what an animal eats and what is consumes
What percent of the offspring will have black eyes?
Answers
Answer:
there could be many offsprings that have black
According to cell theory, which of the following would be composed of cells?
water
rock
air
insect
Answers
Answer:
insect
Explanation:
What’s everyone’s favorite tv show or movie?
Answers
I dont watch tv shows or movies
lol
CAN SOMEONE PLEASEEEE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST !!!
Answers
Answer:
r-selected
Explanation:
please help me figure this out
Answers
Death rates in a population, such as the Moose on Isle Royale, can be affected By?
Answers
Answer + Explanation:
Moose numbers boomed during the wolf drop-off but have plunged since. Predation accounted for nearly 9 percent of deaths over the past year. Other factors were blood-sucking tick infestations and malnutrition caused by a shortage of balsam fir, the moose's primary winter food source.
"What is the function of the organelle known as the mitochondria" a:to make carbon hydrates b: to make lipids c: to make ATP d: protein synthesis
Answers
Answer:
To make ATP
Explanation:
Which of the following results when homologous chromosomes cross over in meiosis?
Two sister chromatids get tangled, resulting in one re-sequencing its DNA.
DNA repair machinery alters maternal alleles so they match paternal ones
Two sister chromatids exchange identical pieces of DNA.
Corresponding segments of non-sister chromatids are exchanged.
Answers
When homologous chromosomes cross over in the process of meiosis, the corresponding segments of the non-sister chromatids are exchanged. Thus, the correct option is D.
What is Crossing over?
Meiosis is the process of cell division in which the chromosomal content of the cell reduces to half. This division is also known as reductional division. Meiosis is divided into two parts: Meiosis I and Meiosis II.
Meiosis I is divided into four phases which are Prophase I, Metaphase I, Anaphase I, and Telophase I. Prophase I is further divided into five stages which are Leptotene, Zygotene, Pachytene, Diplotene, and Diakinesis. Crossing over of chromosomes takes place during pachytene stage.
Crossing over or the chromosomal crossover is the exchange of the genetic material during the process of sexual reproduction between the two homologous chromosomes' non-sister chromatids which results into the formation of recombinant chromosomes.
Therefore, the correct option is D.
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What effect does studying with music have on student test scores?
Hypothesis:
Independent variable:
Dependent variable:
Control variable:
Answers
Answer:
Hypothesis: Studying with music increases test scores.
Independent: Music
Dependent: test scores
control: music
ASAP!!!A scientist designed an experiment to test where a plant's matter came from. She
measured the starting mass of a willow tree, the soil, and the container. After five
years, she repeated the measurements and observed that the tree gained 74 kg (164
lbs) but the soil had not changed much at all (only lost 57 g, approximately 0.12 lbs).
1. Use evidence, from the results, to explain that the idea that the mass of a tree
comes from the soil, is incorrect. 2 points
2. Why is it incorrect to say that the tree's mass comes from sunlight? 1 point
3. If the mass of the tree does not come from the soil or sunlight, explain the trees
increase in mass. 2 points
Answers
Explanation:
The fact that the soil did not change significantly after five years, while the tree gained 74 kg, suggests that the tree's mass did not come from the soil alone. If the tree had gained all its mass from the soil, the soil would have lost an equivalent amount of mass, which did not occur. Therefore, this evidence suggests that the mass of a tree does not come solely from the soil.
While sunlight is necessary for photosynthesis, which allows the tree to produce glucose, the mass of a tree does not come directly from sunlight. Rather, the tree uses the glucose produced during photosynthesis to build its own tissues, such as leaves, branches, and roots. Therefore, while sunlight is necessary for the tree to grow, it is not the source of the tree's mass.
The tree's increase in mass is primarily due to the process of photosynthesis. During photosynthesis, the tree uses energy from sunlight to convert carbon dioxide and water into glucose, which it then uses to build new tissues. Additionally, the tree may have also taken up nutrients, such as nitrogen and phosphorus, from the soil, which it incorporated into its tissues. However, it's important to note that the majority of the tree's mass comes from the carbon that it takes up during photosynthesis, rather than the nutrients in the soil.
What's the recipe for success?
Answers
Answer:
In my opinion the recipe for success would be determined by your mindset due to the fact that your mind conducts your next move if your mind stays focused on success how could you fail? You have to believe that you can succeed so that if a tasks would come to you, you wouldn't be phased by it because you believe you can already do it without even have done it .
Explanation:
Can a generalist species be a keystone species?
Answers
Answer:
Yes
Explanation:
Any organism, from plants to fungi, maybe a keystone species; they are not always the largest or most abundant species in an ecosystem. However, almost all examples of keystone species are animals that have a huge influence on food webs
Which of the following correctly orders events during mitosis?
a) Microtubules organize the chromosomes. The nuclear membrane dissolves. The mitotic spindle attaches to chromosomes.
b) The nuclear membrane dissolves. Microtubules organize the chromosomes. The mitotic spindle attaches to chromosomes.
c) The nuclear membrane dissolves. The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes.
d) The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes. The nuclear membrane dissolves.
Answers
The answer option which correctly orders events during mitosis is: D. The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes. The nuclear membrane dissolves.
Mitosis can be defined as a type of cell division (duplication) through which a single or one (1) parent cell produces two (2) genetically identical daughter cells.
In Biology, duplication division refers to a process in which two (2) genetically identical daughter cells produced by one (1) parent cell have the same number of chromosomes as their parent cell.
Furthermore, the correct order (sequence) of events during mitotic division in living organisms include the following:
1. The mitotic spindle (spindle fibers) of microtubules attaches to chromosomes.
2. The chromosomes found in a sex cell are organized by microtubules.
3. The nuclear membrane is then dissolved.
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Answer: it is b
Explanation:
In a food pyramid, what trophic level do decomposers get their food from?
Select one:
All levels of the pyramid.
Producers only.
Producers and primary consumers.
Primary consumers and secondary consumers.
Answers
Answer:
They are the “last trophic level” in some hierarchies because they feed on everything (National Geographic). However, according to the strict trophic level definition they would be primary consumers.
Explanation:
A man with blood type AB marries a woman who is heterozygous for B blood. Among the
blood types of their children, how many different genotypes and phenotypes are possible
Answers
1. Once you have chosen a bacterial disease, you must research it in great detail. The information you find can be organized into the following categories:
(a) cause
(b) symptoms,
(c) treatment methods,
(d) who does the disease affect, survival rates, etc.
2. Organize this information into "notes" that you will submit along with your poster.
3. Now organize this specific information into a "Wanted Poster". The poster will explain that the bacteria or virus is wanted dead, not alive. The wanted poster needs to include some kind of graphic (preferably a picture or a drawing), a description of the bacteria or parasite, and all of the categories listed above. The information should be clear, concise, and well organized.
4. You must include a bibliography that consists of at least 5 sources listed in the appropriate format. If you do not include a bibliography you will not receive credit for the assignment.
5. Be prepared to answer questions from the instructor about your project.
Answers
Humans are susceptible to a wide range of diseases brought on by germs. Humans frequently contract bacterial illnesses such tetanus, TB, pneumonia, typhoid, and others.
Thus, Pathogenic bacteria are those that infect people and cause various diseases. The body's defense system's ability to produce innate immunity allows us to support the growth of numerous microorganisms.
Disease-causing bacteria can enter body fluids and tissues by outpacing the body's own defense mechanisms. Bacteria can either directly harm cells, release toxins, influence how cells function, or trigger an immunological reaction that harms the cells.
Diseases brought on by bacteria are called bacterial diseases. The human body contains a variety of microbes. Many of these are referred to be "good bacteria" because they don't lead to any diseases.
Thus, Humans are susceptible to a wide range of diseases brought on by germs. Humans frequently contract bacterial illnesses such tetanus, TB, pneumonia, typhoid, and others.
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Which of the following is a true statement about surface water? Drought conditions reduce the amount of surface water worldwide. It makes up less than 1 percent of all water on Earth. Sluggish waters make natural lakes poor water sources. All large cities use surface water as a water source.
Answers
Answer: option B i remember doing this
Explanation:
A solution with pH 9 has ________________ times ____________________ OH- than a solution with pH 6.
Answers
Answer:
basic
Explanation:
ph value 9 base is ph value is 9and 20
What is the answer for this. Asapp
Answers
0.51 is the frequency of the T allele. Therefore option D is correct.
To determine the frequency of the T allele, we need to consider the number of T alleles present in the population.
The number of T alleles in the population can be calculated as follows:
Number of T alleles = (Number of TT individuals * 2) + (Number of Tt individuals * 1)
Number of T alleles = (28 * 2) + (46 * 1) = 56 + 46 = 102
Since there are a total of 200 alleles in the population (2 alleles per individual), the frequency of the T allele can be calculated as:
Frequency of T allele = Number of T alleles / Total number of alleles
Frequency of T allele = 102 / 200 = 0.51
Therefore, the frequency of the T allele is 0.51.
Thus, the correct answer is D. 0.51.
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What is the function of cilia in animal-like protists?
A. movement
B. reproduction
C. decomposition
D. photosynthesis
Answers
Drinking too much water during exercise can cause a condition in which the concentration of sodium in the blood is lower than normal. What immediate response what are the blood cells have in this condition?
Answers
Explanation:
People may also drink excessive water because of a psychiatric disorder called psychogenic polydipsia. The result is too much water and not enough sodium. Thus, overhydration generally results in low sodium levels in the blood (hyponatremia),which can be dangerous.
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Which is the correct pairing of
the dermal hair type to its
purpose?
A. Epidermal hairs help reduce
transpiration.
B. Glandular hairs are ONLY found on
roots.
C. Root hairs are found on leaves and
stems.
Answers
Epidermal hairs help to reduce transpiration is a correct pairing of the dermal hair type to its purpose. So, the correct option is option(A).
Inside the root dermis, epidermal hairs termed root hairs are commonplace and are specialized for the absorption of water and mineral nutrients. In vegetation with secondary increase, the dermis of roots and stems is generally replaced via a periderm through the action of a cork cambium.
The hair follicle begins at the surface of the dermis. For follicles that produce terminal hairs, the hair follicle extends into the deep dermis, and from time to time even subcutis. meanwhile, follicles generating vellus hairs extend best to the upper reticular dermis.
The dermis acts like armor to shield your frame from damage, along with ultraviolet radiation, pathogens and chemical compounds. pores and skin color. The epidermis has cells referred to as melanocytes which make melanin, which is a set of pigments for your skin that offers pores and skin coloration.
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List five organelles eukaryotes have that prokaryotes do not have. ( 5pts)
Answers
Answer:
Lysosomes and peroxisomes, Microtubules, Endoplasmic reticulum, Mitochondria, and Cytoskeleton
Explanation:
The characteristics that eukaryotes have are lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.
What are eukaryotes?Eukaryotes are lifeforms with nuclei and other membrane-bound organelles. Eukaryotic organisms include all animals, plants, fungi, and protists, as well as the majority of algae.
Prokaryotic organisms are the ones lacking a well developed nucleus. They do not possess lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.
Thus, these are five organelles that are present in eukaryotes but are absent in prokaryotes.
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which technology helped scientists develop germ theory and led to many advancements in the field of medicine?
Answers
Explanation:
Which particles transfer energy to electrons when they interact with
chlorophyll?
OA Phosphate groups
OB. Water molecules
OC. Neutrons
D. Photons
SUBMIT
Answers
Answer: D photons
Explanation: A photon of light energy travels until it reaches a molecule of chlorophyll. The photon causes an electron in the chlorophyll to become “excited.” The energy given to the electron allows it to break free from an atom of the chlorophyll molecule. ( I think this is the answer)
Question 4
When a neuron is not processing information:
O It is negatively charged
O It has no charge
O It is positively charged
O It is sometimes positively charged, sometimes negatively charged
Answers
When a neuron is not processing information It is negatively charged.
The correct option is A.
What is the role of neurons?Signals are sent and received by neurons, often referred to as nerve cells, from your brain. Although they share many characteristics with other cell types, neurons are physically and functionally distinct. Neurons are able to communicate electrical and chemical messages to other cells via specialised extensions known as axons.
Where are neurons found?The bulk of neurons in vertebrates are found in the central nervous system, however some are found in peripheral ganglia and many neurones are found in sensory organs like the retina and ear.
What is a neuron made of?Three basic components make up a neuron: a cell body, two extensions known as an axon, as well as a dendrite (3). The nucleus (2), which regulates the functions of the cell and houses its genetic material, is located inside the cell body. The axon resembles a tail and carries signals out of the cell.
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The complete question is -
When a neuron is not processing information:
A- It is negatively charged
B- It has no charge
C- It is positively charged
D- It is sometimes positively charged, sometimes negatively charged