The brain of the north american bird known as the clark's nutcracker has an unusually large ________, which may help explain how the bird finds food it buried over a wide area months earlier.
Which state looks like it has an area shaped like the heel of a boot?
Louisiana is the state that looks like it has an area shaped like the heel of a boot, due to its curved southeastern coastline shaped by the Mississippi River and the Gulf of Mexico.
The state that is often referred to as having an area shaped like the heel of a boot is Louisiana. When looking at a map, the southeastern part of Louisiana curves around in a shape that is reminiscent of a heel. This distinctive geographical feature is largely due to the irregular coastline shaped by the Mississippi River and the Gulf of Mexico.
Moreover, different regions of the United States have unique shapes that can be associated with various objects or features.
For instance, Michigan is sometimes called the "mitten" state due to its shape. These colloquial terms are often used to help describe the distinctive shapes of the states in a relatable way.
What disease of the nervous system is also referred to as water on the brain?
_____ is a procedure used to open a partly occluded artery
A key reason older adults suffer bone fractures is as a result of
deficincey of calcium
would the desert ecosystem be considered an open or closed system
The desert ecosystem is an open system as it exchanges energy and matter with its surroundings.
Explanation:In an ecosystem, whether it is open or closed depends on the exchange of energy and matter with the surroundings. The desert ecosystem can be considered an open system because it exchanges energy and matter with its surroundings. For example, energy from the sun enters the desert ecosystem and is utilized by plants through photosynthesis. Animals in the desert consume these plants, transferring energy within the ecosystem. Additionally, matter such as seeds can also be dispersed by wind or animals, allowing for exchange between the desert and other ecosystems.
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What do the digestive, respiratory, circulatory, and excretory systems have in common?
Answer:
Both get rid of waste material. Explanation:
Which is not a major salivary gland? lingual glands parotid glands submandibular glands sublingual glands all of these choices are major salivary glands?
Final answer:
Lingual glands are not considered major salivary glands; the three major salivary glands are the parotid, submandibular, and sublingual glands, which secrete the bulk of saliva into the mouth.
Explanation:
Among the choices listed, lingual glands are not considered major salivary glands; rather, they are part of the numerous minor salivary glands present within the oral mucosa and tongue. The three pairs of major salivary glands that secrete the majority of saliva into the mouth are the parotid glands, the submandibular glands, and the sublingual glands. Of these, the parotid glands are located near the ears and secrete saliva into the mouth through the parotid duct. The submandibular glands are found in the floor of the mouth and release saliva through the submandibular ducts. Lastly, the sublingual glands lie below the tongue and utilize lesser sublingual ducts to secrete saliva into the oral cavity.
Which of the following bacterial cells would best be able to survive an attack by an antibiotic?
a.A bacterial cell that used its toxins to alter its DNA and resist the antibiotic
b. A bacterial cell that had a cell membrane made of ester-linked fatty acids
c.A bacterial cell that lacked receptors on its surface for that antibiotic
d.A bacterial cell that was going through binary fission when the antibiotic appeared
Answer:
c. A bacterial cell that lacked receptors on its surface for that antibiotic
Explanation:
If the bacteria lacks the receptors on its surface meant for that antibiotic then it will be best defense for the survival of that bacteria. It is receptors which interact with the antibiotic so as to permit it inside the cell. Therefore, in the absence of receptors, it doesn't matter how much antibiotic is lying in the external environment of that bacteria, the antibiotic will not be able to enter the bacterial cell to kill it. Hence, the bacteria will be able to survive easily.
Answer:
The correct answer is option c."A bacterial cell that lacked receptors on its surface for that antibiotic".
Explanation:
There are different mechanisms by which bacteria can get antibiotic resistance. One common mechanism is that the bacteria changes the site or changes the receptor that is recognized by the antibiotic to work. Taking into account this adaptation, a bacterial cell that lacked receptors on its surface for the antibiotic from the beginning would best be able to survive an attack by an antibiotic.
the surgical creation of an opening between the colon and body surface is known as a/an _____.
a. colostomy
b. nephrostomy
c. gastroduodenostomy
d. gastrostomy
The right option is a.colostomy
A colostomy is a surgical procedure in which an opening is made between the colon and body surface. During colostomy, an opening is made by bringing one end of the large intestine or colon out through the abdominal wall using incision. Colostomy is performed when the large intestine is blocked or damaged and when a ruptured colon causes an abdominal infection. The procedure may be short-term or permanent.
The procedure of surgically creating an opening between the colon and the body surface is known as a colostomy. It is commonly done in cases like bowel obstruction, colorectal cancer, or severe colon injury.
Explanation:The surgical creation of an opening between the colon and the body surface is known as a colostomy. This procedure is commonly performed in cases of bowel obstruction, colorectal cancer, or severe injury to the colon. It allows for waste materials to exit the body through a new, artificial outlet when the natural pathway is blocked or damaged. The choice between the options given is a colostomy, as the other options, such as gastroduodenostomy, gastrostomy, or nephrostomy, are related to different parts of the body, not the colon.
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All adults over the age of 40 experience age-related bone loss. what is the term for this condition?
Aerobic respiration uses ________ to convert glucose (or other organic nutrient molecules) back into carbon dioxide and water.
Expression of a cloned eukaryotic gene in a bacterial cell involves many challenges. the use of mrna and reverse transcriptase is part of a strategy to solve the problem of _____. expression of a cloned eukaryotic gene in a bacterial cell involves many challenges. the use of mrna and reverse transcriptase is part of a strategy to solve the problem of _____. electroporation nucleic acid hybridization post-translational processing post-transcriptional processing restriction fragment ligation request answer
The use of mRNA and reverse transcriptase is part of a strategy to solve the problem of post-transcriptional processing when expressing a cloned eukaryotic gene in a bacterial cell.
Explanation:The use of mRNA and reverse transcriptase is part of a strategy to solve the problem of post-transcriptional processing when expressing a cloned eukaryotic gene in a bacterial cell.
Eukaryotic mRNAs must undergo several processing steps before they can be translated into a protein. The additional steps involved in eukaryotic mRNA maturation create a molecule that is much more stable than a prokaryotic mRNA.
By using mRNA as a template, reverse transcriptase can make a complementary DNA (cDNA) copy of the mRNA, which can then be used to produce a cDNA library of only the expressed genes in the cell, excluding introns and other non-coding sequences.
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In which stage of meiosis are sister chromatids lined up along the equalateral plate of the dividing cell?
Answer: "Metaphase" Sister chromatids line up along the middle of the cell.
Explanation:
To what kingdom would a unicellular organism found living in an extreme environment belong?
Anciently the one performing the sacrifice would place the animal on the altar with its head to his right. he would then declare his authority by raising his right arm to the square
Determining alternate solutions to a problem is an important aspect of critical thinking because _______. a. it means that the best solution to a problem can be implemented b. it means that the easiest solution to a problem can be implemented c. each person needs their own solution to a problem d. conclusions must be adjusted when necessary Please select the best answer from the choices provided A B C D
If placed in tap water, an animal cell will undergo lysis, whereas a plant cell will not. what accounts for this difference? if placed in tap water, an animal cell will undergo lysis, whereas a plant cell will not. what accounts for this difference? the relative impermeability of the plant cell wall to water expulsion of water by the plant cell's central vacuole the relative impermeability of the plant cell membrane to water the relative inelasticity and strength of the plant cell wall
Animal cells lack a rigid outer structure and burst in hypotonic solutions like tap water, while plant cells have a strong cell wall that prevents lysis and uses a central vacuole to manage water intake, maintaining structural integrity and turgidity.
Explanation:When an animal cell is placed in tap water, which is a hypotonic solution, it will swell and eventually undergo lysis (bursting) because it lacks a rigid outer structure to prevent over-expansion. In contrast, a plant cell has a rigid cell wall surrounding the plasma membrane, which provides structural support and prevents lysis in hypotonic situations. This cell wall can withstand the increase in water volume up to a certain point, creating turgor pressure within the cell that is beneficial for maintaining the plant's structure. Additionally, plant cells manage excess water using a large central vacuole, which stores water and supports the cell's turgidity.
The main reason a plant cell does not undergo lysis in tap water is due to the relative inelasticity and strength of the plant cell wall, which provides a protective barrier. Moreover, when a plant cell is exposed to a hypertonic environment, it undergoes plasmolysis where the plasma membrane detaches from the cell wall, but unlike an animal cell, the cell wall maintains the plant cell’s structural integrity.
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Which of these answers best describes why antibiotic administration is inappropriate for most of the common upper respiratory tract infections?
Has a nucleus and a cell wall that contains chitin
The motivating potential score (mps) is calculated as part of using _____.
After water itself, what are the two primary elements which occur in sea water?
The ecosystem that would most likely have a very high net primary productivity is a
Many animals form complex societies of related individuals. Which of the following benefits do these societies provide?
Which organ performs the major role in excreting wastes from the body?
The answer is kidneys. The organ excretes excess water and ions from the body, urea from deamination of proteins removes toxic substances broken down by the liver. The nephrons are the basic units of the kidney. In addition, kidneys are significant in hormonal regulation and maintenance of blood pressure.
Many of the symptoms of vitamin a deficiency such as blindness and an increase in infectious diseases are related to the role of vitamin a in:
What is an organism that lives on or in another organism and uses the other organism for nourishment to the detriment of the host organism?
The primary difference between quasi-experiments and true experiments it ths quasi experiments typically
which of the following describes how an abiotic factor can impact the population dynamics in an ecosystem
An abiotic factor can impact the population dynamics in an ecosystem by affecting the availability of resources and creating environmental conditions; examples are the soil, air, etc.
What is the significance of the abiotic factors in the surroundings?Abiotic factors such as temperature, water availability, and soil nutrients impact population dynamics and can cause a decline in the population size, and the favorable conditions and the unfavorable conditions regulate the population growth. Abiotic factors explain how ecosystems function and how species interact with their environment.
Hence, an abiotic factor can impact the population dynamics in an ecosystem by affecting the availability of resources and creating environmental conditions; examples are the soil, air, etc.
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Think critically gangue is waste rock remaining after a mineral ore is removed. why is gangue sometimes reprocessed