The single celled protists which is one of the example of this is the paramecia survives and lives on extreme hypotonic environment. They have the ability of having to contract their vacuoles in which this contributes and help them to live and survive in a hypotonic environment.
Identify the other key structures that indicate the probable origin of a chloroplast
When there are two or more reactants, the active site provides a template on which the substrates can come together in the proper orientation for a reaction to occur between them 2.as the active site of an enzyme clutches the bound substrates, the enzyme may stretch the substrate molecules toward their transition state form, stressing and bending critical chemical bonds to be broken during the reaction. because ea is proportional to the difficulty of breaking the bonds, distorting the substrate helps it approach the transition state and reduces the amount of free energy that must be absorbed to achieve that state. 3.the active site may also provide a microenvironment that is more conducive to a particular type of reaction than the solution itself would be without the enzyme. ex: if the active site has amino acids with acidic r-groups, the active site may be a pocket of low ph in an otherwise neutral cell. in such cases, an acidic amino acids may facilitate h+ transfer to the substrate as a key step in catalyzing the reaction. 4. amino acids in the active site directly participate in the chemical reaction. sometimes this process even involves brief covalent bonding between the substrate and the side chain of an amino acid in an enzyme. subsequent steps of the reaction restore the side chains to their original states so that the active site is the same after the reaction was before?
Tascha is on a medication that increases the pH of the stomach and makes it alkaline. What is the effect of this medication?
These medicines are called antisecretory because they work by blocking the acid secretion of the stomach.
This is the case of the H2 antihistamine (such as Cimetidine) which has a rapid action (approximately 1 hour) but longer than an antacid.
When symptoms are frequent, occurring more than once a week, proton pump inhibitors (PPIs) (such as Omeprazole), antisecretory agents of potent and prolonged action (at least 24 hours), constitute the treatment of choice.
Explanation:
A medication that increases the pH of the stomach and makes it alkaline is actually helping in neutralizing the acid forming in the stomach.
When there is excess of acid into the stomach then intake of a base helps in balancing the excess of acid by providing suitable amount of hydroxide ions.
Thus, we can conclude that this medication will have a neutralizing effect.
What does candide admire about the baron's castle? why is candide envious as a result?
Candide admires the baron's castle for its grandiosity, luxury, and the opulence of its surroundings. As a result, Candide becomes envious because he perceives his own status and possessions as inferior in comparison.
In "Candide" by Voltaire, Candide is initially struck by the magnificence of the baron's castle, which symbolizes wealth, power, and nobility. The castle is described with idyllic imagery, presenting an idealized version of aristocratic life.
Candide's admiration stems from the castle's lavish furnishings, the beauty of the gardens, and the overall splendor that exudes a sense of security and privilege.
This admiration quickly turns into envy as Candide realizes the vast difference between his humble origins and the baron's affluent lifestyle. He yearns for the comfort, respect, and social standing that the castle represents.
This envy motivates Candide's desire for a better life and sets the stage for his subsequent adventures and misfortunes, driven by the pursuit of happiness and status.
Explain why an increase in the thyroid hormone generally leads to decrease in thyroid-stimulating hormone
Final answer:
An increase in thyroid hormone leads to a decrease in thyroid-stimulating hormone due to a negative feedback loop, where high levels of thyroid hormones inhibit the production of TSH to maintain balance.
Explanation:
An increase in thyroid hormone generally leads to a decrease in thyroid-stimulating hormone (TSH) due to a regulatory process known as negative feedback. The hypothalamus secretes thyrotropin-releasing hormone (TRH), which stimulates the pituitary gland to produce TSH. TSH then stimulates the thyroid gland to produce and secrete thyroid hormones. As the levels of thyroid hormones (T3 and T4) in the blood increase, they provide feedback to the hypothalamus and pituitary gland to inhibit the secretion of TRH and TSH. This mechanism ensures that the production of thyroid hormones is kept within a healthy range, preventing both deficiency and excess.
This negative feedback loop effectively reduces the secretion of TSH when thyroid hormone levels are sufficiently high, and vice versa, increases TSH production when thyroid hormone levels are low. Therefore, a rise in thyroid hormone levels naturally leads to a suppression of TSH secretion to maintain hormonal balance.
Describe how phosphorus moves through the biotic and abiotic parts of an ecosystem
Answer:
Phosphorus moves through both the abiotic and biotic factors through the phosphorus cycle. The accumulation of phosphorus takes place in the rocks and sediments, which are abiotic. Phosphorus in the form of phosphate may be mediated via wind and water, which both are also abiotic.
Phosphorus gets absorbed by the plants, which are living and these plants further may get eaten up by other living species or may get die or decompose by the action of decomposers, which are also living. The phosphorus cycle comprises both abiotic and biotic elements that associate with phosphorus in its different forms, captivating it, storing it, and so on.
A biologist is studying a structure that is made up of two layers of phospholipids. What is she most likely studying?
Instead of having roots and leaves, molds grow as thread-like filaments called _____.
The hormone released by the pineal gland that reduces body temperature and prepares you for sleep is
True or false? insulin produced in a pancreas cell travels through the bloodstream to a target organ where insulin triggers sugar uptake into the target organ.
What is the difference between a hacktivist and a cyberterrorist?
Hacktivists and cyberterrorists both engage in hacking and cyber activities, but their motivations and actions are different. Hacktivists promote political or social causes through hacking, while cyberterrorists aim to cause harm and fear for political or ideological reasons.
Explanation:Hacktivists and cyberterrorists are both related to hacking and cyber activities, but their motives and actions differ. Hacktivists are individuals or groups who use hacking techniques to promote a political or social cause. They may deface websites, leak sensitive information, or disrupt online services to raise awareness or advocate for change. On the other hand, cyberterrorists are individuals or groups who use hacking techniques to cause harm and create fear for political or ideological reasons. Their actions aim to intimidate, disrupt critical infrastructure, or compromise national security.
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Explain the two major processes that drive the normal functioning of the carbon cycle
Would you expect to find black sand beaches on Kauai? Why or why not?
The answer to the question is no, you can’t expect to find black sand beaches on Kauai, it is because black sand beaches are only found on islands that are recently have been formed from the black larva that has been breakdown from the volcanoes that had been erupted and Kauai is not included. You can only expect to find at this island is white and yellow sand beaches.
Black sand beaches are expected on Kauai because of the local volcanic rock composed of basalt, which produces mafic minerals upon erosion. In addition to black sand, green sand composed of olivine is also present due to similar geological processes.
Yes, one would expect to find black sand beaches on Kauai due to the weathering of local volcanic rock. Kauai, like other parts of Hawaii, has an abundant source of basaltic rock, which over time erodes under weather and wave action to form black sand beaches. The black sands are rich in mafic minerals, which derive from the local basaltic lava and can be more easily broken down compared to clasts of felsic minerals like quartz.
Furthermore, it's not only black sand that can be found in Hawaii. The islands are also home to green sand beaches composed of semi-precious olivine crystals that have eroded from basaltic rocks. Beaches can be comprised of various substrates depending on the local geology. For instance, the sand in Hawaii ranges from white coral sands to the unique black and green volcanic varieties. This diversity in beach substrate is due to the different types of sediment that are dominant in each locality.
what zone is most likely to be home to algae?
A recent encyclopedia entry about dogs cites multiple research papers done by scientists at veterinary schools. According to the article, Labrador retrievers come in two specific breeds: English and American. The English breed is described as stocky and heavy, while the American breed is described as tall and lanky. The article describes current scientific research as showing that males of both breeds usually weigh about 29-41 kg (65-90 lb), and females weigh 25-32 kg (55-70 lb). Coat colors for both breeds come in solid black, yellow, or chocolate. All labs have strong tails and webbed feet, which help them swim. Devon would like to use this information to determine if his new dog is an English or American Labrador retriever. Which best describes the reliability of the information?
Answer:
C. It is reliable because the article is based on multiple studies done by scientists at multiple veterinary schools.
Explanation:
This is your answer hope this helps anyone who is doing the same thing in biology.
The information is reliable because the entry has cited multiple research papers done by scientists at veterinary schools.
What is a scientific information?It is the information that has been researched on and has been proven scientifically.The information has been tested and confirmed by many scientists of that field.Which scientific information is reliable?The information that has been proved and reproduced by many scientists is considered reliable and acceptable.
What are Labrador retrievers?These are the breed of retriever gun dogs."It was produced in the United Kingdom from fishing dogs imported from the Newfoundland colony."To learn more about information, scientists and dogs here,
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wind erosion can be reduced by ___.
panting trees
removing dead leaves
reducing irritation
destroying windbreaks
Answer is - planting trees!
Answer:
Planting trees
Explanation:
Wind erosion is a kind of erosion that removes the nutient-containing topsoil by the power of the wind. Wind erosion leads to the loss of nutrients from the topsoil, hence, resulting in an infertile soil for plants' growth.
Planting of trees, also known as afforestation, is one way to prevent the negative impact of wind erosion on the soil as plants helps to hold the less compact soil in place using their root systems. The shoot part of the plants involving the leaves and stem also helps to reduce the effect of the wind force. Trees are used as wind breaks for areas that are highly affected by wind.
What name is assigned to aug, which stands for methionine with which all mrna molecules start?
Neurons that carry messages from the spinal cord or the brain to the muscles and glands are called ________ neurons.
Motor neurons transmit impulses to skeletal muscle and smooth muscle from the spinal cord.
What are motor neurons?Motor neurons are part of the central nervous system(CNS), it connects the spinal cord to the glands, smooth muscles, and skeletal muscle and transmits signals.
These are the special type of brain cells, that come into two types upper and lower motor neurons. lower motor neuron connects by upper motor neuron which originates from the brain.
The major function of these neurons is to send commands for movement of smooth muscles to help to do functions like speaking, breathing, swallowing, move.
sensory neurons carry impulses from sensory organs to the central nervous system, which differs from the motor neuron.
Therefore motor neurons carry signals from the brain and spinal cord to the muscles
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Is oil a renewable or nonrenewable resource? Why?
A.) Oil is a product that forms naturally, so it's a renewable resource.
B.) Oil is being formed much faster than it is being consumed, so it's a renewable resource.
C.) Oil is consumed more rapidly than it is being formed, so it's a non-renewable resource.
D.) Oil will no longer form on Earth, so it's a non-renewable resource.
"prokaryotic cells are found in the domain(s) _____."
Prokaryotic cells are found in the domain(s) of bacteria and archaea.
What are prokaryotic cells?Prokaryotic cells lack organelles, have no nucleus, and are significantly smaller than eukaryotic cells.
A cell wall protects every prokaryotic cell. Many additionally include a polysaccharide-based capsule or slime layer.
Single-celled organisms known as prokaryotes are found in the Bacteria and Archaea domains.
Bacteria and other single-celled creatures have prokaryotic cells. Prokaryotes are defined as organisms possessing prokaryotic cells. They were the first kind of organisms to evolve and continue to be the most prevalent ones.
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1. Which of the following structures is most likely to be found in an autotrophic protist?
A. A food vacuole
B. A chloroplast
C. A plasmodium
D. A gullet
Answer:
B. A chloroplast is the correct answer.
Explanation:
A chloroplast structures is most likely to be found in an autotrophic protist.
An autotrophic protist is a single-cell organism and they can prepare their food because they have chloroplasts present in their cell that perform the photosynthesis process by converting the sunlight energy into food.
Chloroplasts are the structure present in plants and of the algal cells that perform photosynthesis.
Autotrophic protist most popular group is called algae.
Autotrophic protist includes brown algae, red algae, diatoms, euglena, green algae, and dinoflagellates.
The fusiform face area (ffa) in the brain is often damaged in patients with
The fusiform face area (ffa) in the brain is often damaged in patients with prosopagnosia also referred to as face blindness.
What is prosopagnosia?Prosopagnosia also referred to as face blindness, is actually a cognitive disorder of face perception where the ability to recognize familiar faces, including one's own face degrades.
It is often recognized as the fusiform face area (ffa) in the brain is often damaged in patients.
Thus, the answer is Prosopagnosia.
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Phosphorus is atmotic number 15 When it comes to bonding with other atoms, what is phosphorus most likely to do?
Suppose you made the observation that bees seem to prefer a yellow flower that produces abundant amounts of pollen and nectar over a purple flower that produces less pollen and nectar. list two separate hypothese that you might make about bees and flowers
Answer:
Hypothesis A - Bees prefer flowers that produce more nectar and pollen than the flowers that produce less nectar and pollen producing flowers.
Hypothesis B - bees prefer bright yellow flower that are visible easily than the flower that are dark.
The hypothesis mentioned above are explains the less pollination in the purple flower in comparison to the yellow flower. These hypothesis are made on the study or knowledge provided by the question.
Thus, the correct answer is - Hypothesis A - Bees prefer flowers that produce more nectar and pollen than the flowers that produce less nectar and pollen producing flowers.
Hypothesis B - bees prefer bright yellow flower that are visible easily than the flower that are dark.
what is the approximate range of frequencies that humans can hear?
20to 20,000hz
0to 20hz
0 to2hz
0to 2,000hz
Final answer:
Humans can hear frequencies ranging from 20 Hz to 20,000 Hz, with sounds below and above this range being classified as infrasound and ultrasound, respectively.
Explanation:
The approximate range of frequencies that humans can hear is from 20 Hz to 20,000 Hz. This range defines what is audible to the human ear; sounds with frequencies below 20 Hz are classified as infrasound, while those above 20,000 Hz are considered ultrasound. It's interesting to note that different species have varying ranges of hearing. For example, dogs can hear up to about 45,000 Hz, and bats and dolphins can detect frequencies as high as 110,000 Hz. In contrast, frequencies such as those produced by dog whistles are inaudible to humans but can be heard by dogs.
Explain how the structure of cilia and flagella relate to their functions.
A scientific theory is an untested hypothesis. True or false
20. Most of today’s organisms could not have lived on Earth 3.6 billion years ago because there was no _____ in the air then.
Phosphorus is atomic number 15 when it comes to bonding with other Adams what is phosphorus most likely to do
HELP ASAP! a metamorphic rock has grains arranged in parallel layers or bands. what property is this rock displaying
Answer:
They are generally crystalline with foliated or banded texture.
Explanation:
Metamorphic rocks are so called because they always begin as another type of rock. The Metamorphism involves the transformation of existing rocks (igneous or sedimentary) by either excessive heat and pressure, or through the chemical activity of fluids.