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What is the kinetic energy of each state of matter?

What is the kinetic energy of each state of matter? The kinetic molecular theory of matter states that: Matter is made up of particles that are constantly moving. All particles have energy, but the energy varies depending on the temperature the sample of matter is in. This in turn determines whether the substance exists in […]

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What do humans exhale that plants use?

What do humans exhale that plants use? ANSWER: Plants use carbon dioxide for photosynthesis and people exhale it as a byproduct of respiration, so it is no wonder you question how plants get the carbon dioxide they need in a depopulated area. What gas do humans exhale that plants need to live? carbon dioxide What […]

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What is the role of the receptor in a feedback system?

What is the role of the receptor in a feedback system? Variables are parameters that are monitored and controlled or affected by the feedback system. Receptors (sensors) detect changes in the variable. Control centers (integrators) compare the variable in relation to a set point and signal the effectors to generate a response. What is the […]

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How does mucus protect the stomach?

How does mucus protect the stomach? The mucus protects the gastric mucosa from autodigestion by e.g. pepsin and from erosion by acids and other caustic materials that are ingested. Bicarbonate ions, secreted by the surface epithelial cells. The bicarbonate ions act to neutralize harsh acids. What are the functions of mucus? The airway surface liquid […]

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What kind of machinery do farmers use?

What kind of machinery do farmers use? Tractors The tractor is ubiquitous in the farming world, and it comes in a range of sizes to fit any farming operation. The primary purpose of a tractor is to pull farm equipment, but modern tractors can be outfitted with a variety of attachments to suit just about […]

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What activates the immune system?

What activates the immune system? Vaccination (immunization) is a way to trigger the immune response. Small doses of an antigen, such as dead or weakened live viruses, are given to activate immune system “memory” (activated B cells and sensitized T cells). Memory allows your body to react quickly and efficiently to future exposures. At what […]

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Do cells spend most of their time performing mitosis?

Do cells spend most of their time performing mitosis? Cells that sometimes divide spend most of their time in the three interphase stages and quickly pass through mitosis for the occasional cell division. Cells that divide often spend much of their time in the interphase S stage, preparing for mitosis. Which phase has the most […]

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Can you please reply as soon as possible?

Can you please reply as soon as possible? “As this matter is urgent, I would appreciate a reply as soon as possible.” “I would be grateful for your prompt reply.” “I look forward to hearing from you as soon as possible.” “I look forward to hearing from you at your earliest convenience.” (Slightly old-fashioned.) What’s […]

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What are the two most fundamental unifying theories in biology?

What are the two most fundamental unifying theories in biology? From the 1700s onward, the development of cell and evolutionary theories have played central roles in unifying how biologists go about studying these issues. What are the 2 most highly regarded theories in biology? There are several well-known theories in biology, including the theory of […]

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Which plants have been genetically engineered to be resistant to herbicides?

Which plants have been genetically engineered to be resistant to herbicides? Monsanto first introduced glyphosate-resistant soybean in 1996 and later introduced glyphosate-resistant corn in 1998. These crops, commonly called “Roundup Ready”, have become ubiquitous in American agriculture with 93% of soybeans, 82% of cotton, and 85% of corn planted engineered to be glyphosate resistant. Which […]

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