Organic matter in soils make them less suited for agriculture. group of answer choices
a. true
b. false
Answers
organic matter in soil is very important for agriculture.
Related Questions
What microbe would you grow if you wanted to prepare and isolate some vancomycin?
Answers
What kind of microorganism would you cultivate in order to make and isolate some vancomycin Amycolatopsis oreintalis .
Microbes are extremely minute living entities that are everywhere and are invisible to the unaided eye. They are amphibious, terrestrial, and avian organisms. Millions of these bacteria, which are also referred to as microorganisms, reside in the human body. While certain microbes make us ill, others are vital to our wellbeing. The mammalian microbiota is the collective name for the huge array of microscopic living things that live inside the human body. Microbes known as bacteria can be found in the gut, nose, mouth, and on the skin.
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What do pathogens that cause cancer include?
Answers
Answer:
Certain infectious agents, including viruses, bacteria, and parasites, can cause cancer or increase the risk that cancer will form. Some viruses can disrupt signaling that normally keeps cell growth and proliferation in check.
Explanation:
H. pylori is the first bacterium to be termed a definite cause of cancer in humans by the International Agency for Research on Cancer.
True/False. bacteria that reside within a host cells can avoid the bactericidal effects of the complement cascade.
Answers
The statement is true. Bacteria that reside within host cells can avoid the bactericidal effects of the complement cascade. The complement system is a part of the immune system that plays an important role in defense against bacterial infections.
However, some bacteria have evolved mechanisms to evade the complement system, particularly those that are able to invade host cells. By residing within host cells, these bacteria are protected from the direct bactericidal effects of complement. In addition, they can manipulate the host cell machinery to avoid detection by the complement system, or even to inhibit complement activation altogether.
One example of a bacterium that can avoid complement-mediated killing by residing within host cells is Salmonella enterica. This bacterium is able to invade epithelial cells lining the gut, where it can replicate and cause disease. Salmonella has been shown to inhibit complement activation by producing proteins that interfere with the binding of complement proteins to bacterial surfaces, or that block the formation of MAC pores.
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What makes DNA Replication possible?
Answers
Answer:
The amount of cells in the body and the genes from each parent.
Explanation:
Answer:
The initiation of DNA replication occurs in two steps. First, a so-called initiator protein unwinds a short stretch of the DNA double helix. Then, a protein known as helicase attaches to and breaks apart the hydrogen bonds between the bases on the DNA strands, thereby pulling apart the two strands.
Explanation:
Destroys harmful substances or worn-out cell parts
Answers
It destroys harmful substances or worn-out cell parts is a cell organelle lysosome. it is present in the eukaryotic cell and helps the cell protect itself from the virus or other harmful molecules.
What is the function of the lysosomes in the cell?The lysosome that is present in the cell has maintained an acidic environment because of the active transport of hydrogen from the cytoplasm to the lysosome. Due to its acidic nature, it can degrade the harmful pathogens in the cells and also degrade worn out cells, such as old mitochondria, and in this way, the lysosome protects the cell.
Hence, lysosomes destroy harmful substances or worn-out cell parts.
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Can a hypothesis be proven true? Why or why not?
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Answer: Hello! xoxo
Upon analysis of the results, a hypothesis can be rejected or modified, but it can never be proven to be correct 100 percent of the time. For example, relativity has been tested many times, so it is generally accepted as true, but there could be an instance, which has not been encountered, where it is not true.
Answer:
Upon analysis of the results, a hypothesis can be rejected or modified, but it can never be proven to be correct 100 percent of the time. For example, relativity has been tested many times, so it is generally accepted as true, but there could be an instance, which has not been encountered, where it is not true
Explanation:
how should the neck be massaged in relation to the flow of blood? a. movements should follow the flow of the jugular veins downward. b. movements should follow the flow of the jugular veins upward. c. movements should move downward against the flow of the jugular veins. d. movements should flow upward against the flow of the jugular veins.
Answers
When massaging the neck, the movements should follow the flow of the jugular veins upward, option (b) is correct.
The jugular veins carry deoxygenated blood from the head back to the heart. By massaging in an upward direction, you can help facilitate blood circulation and lymphatic drainage in the neck area. This can aid in relieving tension, reducing swelling, and promoting relaxation. Gentle upward strokes or circular motions starting from the base of the neck and moving towards the jawline or behind the ears can be effective techniques.
It's important to apply gentle pressure and be cautious of sensitive areas such as the Adam's apple or any inflamed or injured areas. Consulting with a professional massage therapist or healthcare provider can provide further guidance tailored to your specific needs, option (b) is correct.
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The complete question is:
How should the neck be massaged in relation to the flow of blood?
a. movements should follow the flow of the jugular veins downward.
b. movements should follow the flow of the jugular veins upward.
c. movements should move downward against the flow of the jugular veins.
d. movements should flow upward against the flow of the jugular veins.
You are in your room listening to music and, realize you are thirsty, you can feel that your soda is no longer cold, and you decide to invite a friend over. What parts of the central nervous system would be primarily involved in each of these italicized behaviors
Answers
Answer:
Internal region of the brain and the hypothalamus are related to the sensation of thirst.
Thalamus is involved with the perception that the soda is not colder.
Explanation:
The central nervous system is the body system responsible for making your body receive information and respond appropriately, promoting full bodily functioning. It is formed by the brain, spinal cord and the components that form them.
Regarding the activities shown in the question above, we can say that some components of the brain are related. For example: The innermost part of the brain and the hypothalamus are related to feeling thirsty. This is because the inner part of the brain is responsible for making the brain understand how the organism is functioning, if something is missing or if there is any discomfort that needs to be resolved. The hypothalamus, in turn, is responsible for the release of hormones that signal that your body's homeostasis is unbalanced. With the interaction of these two structures you realize that you are thirsty.
In addition, the thalamus is responsible for allowing your body to receive sensory messages. It is this structure that allows you to realize that your soda is not cold when you touch the glass, or take a sip of it.
how is eubacteria organized?
Answers
Which major event (or events) likely allowed eukaryotes to evolve? (select all that apply)'
Answers
The oxygenation of atmosphere is major event (or events) likely allowed eukaryotes to evolve. The current atmosphere is oxidizing because it has a lot of oxygen in it. The increase in oxygen is credited to cyanobacteria, which are considered to have first emerged some 3.5 billion years ago and are responsible for photosynthesis.
Blue-green algae, often known as cyanobacteria, are the cause. These microbes make carbohydrates and, yes, oxygen through photosynthesis, which involves using sunlight, water, and carbon dioxide. Thus, the oxygenation released by cyanobacteria led to modifications in the composition of the earth's atmosphere, the emergence of aerobic metabolism.
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Which of the following is both a quantitative and a qualitative statement?
-The compound melted.
-The compound has a mass of 14.62 g.
-The reaction produced 112 g of a pure white solid.
-The compound formed pale yellow crystals.
Answers
Answer:
The reaction produced 112 g of a pure white solid.
Explanation:
Quantitative is factual/number data. Qualitative is descriptive data.
The advantage to using vapor collection instead of the syringe when testing samples for hydrocarbons is
the vapor collection is less expensive and less time consuming
the vapor method increases the sensitivity of the test
the syringe is easily contaminated by the surrounding air
the vapor method is less likely to start another
Answers
Answer:
the vapor method increases the sensitivity of the test
Explanation:
The TENS unit directly stimulates skeletal muscle stimulates lower motor neurons stimulates glutamate release from upper motor neurons inhibits acetylcholinesterase to simulate muscle contraction
Answers
Transcutaneous electrical nerve stimulation, or TENS, is a term used to describe a device used to treat pain. Lower motor neurons and skeletal muscles are not directly stimulated.
Instead, it activates sensory nerves by sending electrical impulses to the surface of the skin. These impulses help block or stop the brain from receiving pain signals, temporarily relieving pain. Higher motor neurons are not specifically stimulated to release glutamate by the TENS unit. The neurotransmitter glutamate is implicated in excitatory signaling in the central nervous system, although the TENS device does not specifically target this pathway.
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1. Why does a human body need proteins?
A. To place amino acids in a specific order
B. To guard against harmful mutations
C. To send messages to the cell's cytoplasm
D. To perform important bodily functions
2. Which of the following is the main idea of paragraph 2?
A. Offspring have a combinatiot of traits from their parents.
B. Parents have different traits that are passed on to their offspring.
C. Genes control the traits particular humans possess.
D. Red hair is a trait that is inherited from one's parents.
Answers
Answer:
To place amino acids in specific order
Where is the paragraph
How does the body plan and anatomy enable the chordate to perform essential functions it needs to survive?
Answers
Answer: Keep in mind invertebrates are those who have exoskeletons (outside skeleton) or are hydrostatic (no skeleton). This make up 95% of all animals for example an ant or sponge. For a sponge, all it has is tissues that enable it to allow water to flow out the tops.
2.) Chordata are anything with vertebrates so a simple fish could suffice. THEY HAVE 4 SPECIFIC CHARACTERISTICS: 1.Notochord 2.Dorsal, hollow nerve cord 3.Pharyngeal slits 4.Muscual, an.al tail
3.) This is us, we have thumbs, and vertebrates. brainliest
Explanation:
Answer:
b
Explanation:
what is the difference beween respiration and breathing
Answers
Answer:
Breathing: is the physical process of exchanging gases
respiration: is a chemical process that takes place at a cellular level and produces energy.
james watson was awarded the nobel prize after discovering that dna has what shape? pascal triangle
Answers
James and Watson were awarded Nobel prize after discovering the double helix structure of DNA.
DNA stands for Deoxyribonucleic Acid. It is the majorly found genetic material. The structure of DNA is composed of two antiparallel strands in the form of double helix. There are various types of DNA like; A-DNA, B-DNA, Z-DNA, etc. DNA consists of all the genetic information required to make a body functional.
Double helix refers to the physical DNA structure where two strands wind around each other. These strands are joined together by hydrogen bonds. The complete structure appears as a twisted ladder and this is called a double helix.
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which are the main stages of the cell cycle?
Answers
Answer:
The cell cycle is composed of interphase (G₁, S, and G₂ phases), followed by the mitotic phase (mitosis and cytokinesis), and G₀ phase.
Explanation:
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what is absorbed through the small intestine? nutrients or water
Answers
what to do with tulip bulbs in water after flowering?
Answers
Answer: After tulip bulbs have finished flowering in water, they can be discarded or replanted in soil. Tulip bulbs that have been forced to bloom in water may not be able to produce another bloom if they are replanted, but they may still produce foliage that can help build up the bulb for future blooms.
Explanation: If you choose to replant the tulip bulbs, you should wait until the foliage has withered and turned brown, which typically takes 4-6 weeks after flowering. At that point, carefully remove the bulbs from the water and gently clean off any debris or roots that may have grown in the water.
Describe the energy flow and chemical cycling through a terrestrial ecosystem. What has changed from an aquatic ecosystem? What has remained the same? (2 pts)
What challenges meeting their life needs would organisms face moving from an aquatic environment to a terrestrial one? (2 pts)
Answers
The energy flow and chemical cycling in a terrestrial ecosystem is quite different from an aquatic ecosystem. In a terrestrial ecosystem, the primary sources of energy are solar energy and organic matter. Solar energy is absorbed by plants and used to create food through photosynthesis.
This energy then passes to other organisms by feeding on plants or other animals. The chemical cycle is also changed in a terrestrial ecosystem, with an emphasis on the carbon cycle. Carbon dioxide from the air is used by plants and converted into organic matter to fuel the ecosystem. When organic matter is broken down, this releases carbon dioxide back into the atmosphere, completing the cycle.
The biggest challenge for organisms moving from an aquatic to terrestrial environment is finding new sources of water. Aquatic organisms are specialized in using their environment to meet their needs, but on land these needs become much more pressing.
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does the mass of the electrode stay the same in galvanic cell
Answers
No, the mass of the electrode does not stay the same in a galvanic cell.
In a galvanic cell, also known as a voltaic cell, a spontaneous redox reaction occurs, converting chemical energy into electrical energy. During this process, electrons flow from the anode to the cathode through an external circuit. The electrode where oxidation takes place is the anode, while the electrode where reduction occurs is the cathode.
At the anode, the metal or substance being oxidized loses electrons and forms ions. This results in a decrease in the mass of the anode over time as the metal or substance is converted into ions and may dissolve into the electrolyte solution. Conversely, at the cathode, the metal ions from the electrolyte gain electrons and are reduced, leading to a deposition or increase in the mass of the cathode.
Therefore, due to the transfer of matter from the anode to the cathode, the mass of the electrode changes during the operation of a galvanic cell.
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What is another term for the manipulated variable?
Answers
Answer:
independent variable,this is the variable that can be changed
You have a plant that you want to show off at a party. The party happens during autumn (aka fall). Usually in autumn (aka fall) the leaves of your plant fall off. You want to delay the leaves falling off your plant until after the party. What plant hormone would you use to help keep the leaves on? ethylene O cytokinins O gibberellins auxin
Answers
Answer:
Auxins
Explanation:
Auxin is a plant hormone that has to do with both leaf and fruit fall.
Match the "strange DNA (letter)" with its function:
A form DNA - ?
Triplex DNA - ?
Tetraplex DNA - ?
Z form DNA - ?
A. Forms in environments with low amounts of water
B. forms a protective cap on the ends of chromosomes
C. found in DNA where transcription is repressed
Answers
Answer:
B forms a protective cap on the ends of chromosomes
Explanation:
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7 Apply For each object pair in the table below, draw
an arrow in the direction in which energy in the form
of heat would flow.
Answers
Answer:
<---
<---
--->
Explanation:
the heat flow of the fire will become a metal rod
and the snowman will become a hat,cause the snowman melts
and the ice cube will become a water
Answer:
<-----
------>
<------
Explanation:
Heat energy always flows from hot to cool
so fire is hotter than a metal rod
hat is hotter than snow
warm water is hotter than ice
Question 7 of 10
A species consists of all the individual living things that
can mate with one another and produce fertile offspring,
These individuals live in groups called populations.
Communities of living things consist of populations of
many species
Which unit of living organisms does natural selection operate on?
O A. Communities
B. Populations
C. Species
O D. Individuals
PREVIOUS
Answers
Answer:
Species
Explanation:
I did a lesson on this last year, and I beileve it was species becuase its the species undergoing the changes.
Answer:
Explanation:
D individuals
co-55 undergoes positron decay. what is the product nucleus?
Answers
Positron decay is a type of radioactive decay that involves the emission of a positron from a nucleus.
When an unstable nucleus undergoes positron decay, it emits a positron (a type of antiparticle with the same mass as an electron but a positive charge) and a neutrino. This results in the conversion of a proton into a neutron, thereby decreasing the atomic number by one.The product nucleus formed after the decay depends on the initial nucleus that underwent the decay. In the case of cobalt-55 (Co-55), which has an atomic number of 27 and a mass number of 55, it undergoes positron decay as follows:27Co55 → 26Fe55 + e+ + νeHere, Fe-55 (iron-55) is the product nucleus formed after Co-55 undergoes positron decay. The atomic number of the product nucleus is one less than that of the parent nucleus because a proton is converted into a neutron, and therefore the atomic number decreases by one. The mass number remains the same because the total number of nucleons (protons + neutrons) in the nucleus is conserved.
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what happened to the lynx population in 2005 and explanation for it
Answers
Answer:
Declines of lynx in the lower 48 states were due to trapping and timber harvests that removed, changed and fragmented habitat. Today, timber harvest, recreation and their related activities are the threats to lynx habitat.
Explanation:
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There should be at least 3g of dietary fiber for every 100 calories per serving. (True or False)
Answers
There should be at least 3g of dietary fiber for every 100 calories per serving is False.
The following Codex recommendations are used by the industry code of practice. Source of fibre:3 g per 100g, 1.5 g per 100 Kcalories, or 10% of the daily recommended value per serving.
High in fiber at 6g per 100g, 3g per 100 Kcal, or 20% of the daily recommended amount per serving.The majority of us do not get enough fibre in our diets. But eating the necessary amount each day is simpler than you would imagine. Women need 25 grammes, while males need 38 grammes, for people under 50.Fiber lowers cholesterol, maintains regular bowel movements, aids in weight management, and lowers your risk of developing diabetes and heart disease. So read food labels carefully and, whenever possible, select "high fiber" meals that have more than 5 grammes of fiber per serving. If you frequently don't get enough fibre from food, think about taking supplements. Psyllium and methylcellulose are two examples.To know more about calories check the below link:
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