Both starch and cellulose are glucose polymers. why can animals easily degrade starch, but not cellulose?
The existence of Pangea is supported by evidence that similar fossils appear on differen continents. How does this observation support the existence of Pangea?
1) It shows that fossils can be relocated.
2) It shows that organisms can migrate across oceans.
3) It shows that similar animals can develop in different climates.
4) It shows that the continents used to be closer together.
Answer:
D
Explanation:
It shows that the continents used to be closer together.
What primary type of vegetation would you expect to find on an abandoned farm that has remained undisturbed for 150 years?
A. shrubs
B. young pine trees
C. short grasses
D. tall, mature oak trees
A vegetation of tall, matured oak trees would be found on an abandoned farm that has remained undisturbed for 150 years.
Ecological succession is the gradual change that a vegetation undergoes over time. During succession, grasses are the first group of species to colonize an area of land, after which they give way to other fitter and stronger species. However, over a long period of time, emergent plants like trees begin to colonize the area. Therefore, a vegetation of tall, matured oak trees would be found on an abandoned farm that has remained undisturbed for 150 years.Learn more at: https://brainly.com/question/1291604?referrer=searchResults
what is the polymer of lipids
Lipids include various structures like fats, oils, phospholipids, and steroids, and are essential components of biological membranes and liposomes in medical applications.
Lipids, unlike carbohydrates, proteins, and nucleic acids, are not typically considered polymers because they are not composed of monomer units that are repeated and linked together in a chain. However, lipids can form complex structures such as micelles and bilayers, which are fundamental to biological membranes.
The major types of lipids include fats and oils (also known as triacylglycerols or triglycerides), comprised of glycerol and fatty acids; phospholipids, which are key components of the cellular membrane; steroids such as cholesterol, which play a role in membrane fluidity and are precursors to hormone synthesis; and waxes. In the laboratory, lipids are used to create liposomes for medical applications such as drug delivery and vaccine encapsulation.
Other than genes, what is the other major factor that helps define our traits?
A patient has been diagnosed with osteoporosis and asks the nurse practitioner, "what is osteoporosis?" the nurse practitioner knows that osteoporosis can be defined as:
Osteoporosis is a condition characterized by the loss of bone density and deterioration of bone tissue. It increases the risk of fractures and weakens bones. Management may involve lifestyle changes and medication.
Explanation:Osteoporosis is a medical condition characterized by the loss of bone density and the deterioration of bone tissue. It is most commonly associated with aging, particularly in postmenopausal women. The condition can increase the risk of fractures and result in weakened bones.
Osteoporosis occurs when the body loses more bone mass than it can replace. This leads to a decrease in bone density, making the bones more susceptible to fractures. Factors such as hormonal imbalances, lack of physical activity, and an inadequate intake of calcium and vitamin D can contribute to the development of osteoporosis.
To manage and prevent osteoporosis, healthcare professionals may recommend lifestyle changes, including regular exercise, a healthy diet, and the use of medications such as bisphosphonates or hormone therapy to slow down bone loss or promote bone formation.
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Which if these is the foundation for relative dating A.) Earth is very cold B.) deeper rock strata are colder C.) radioisotopes decay at a constant rate D.) organisms can be closely related to eachother
Which type of connective tissue is inflamed in cases of periostitis?
A client with end-stage pancreatic cancer has decided to terminate medical intervention. what should a nurse anticipate when consulting with palliative care?
Final answer:
A nurse consulting with palliative care for a client terminating medical intervention should anticipate managing symptoms, supporting the patient and family emotionally and spiritually, and advocating for the patient's care preferences. The nurse should be prepared to address physical and emotional distress, respecting the patient's end-of-life decisions and facilitating a dignified conclusion to their journey.
Explanation:
When a nurse is consulting with palliative care for a client with end-stage pancreatic cancer who has decided to terminate medical intervention, the nurse should anticipate addressing a range of concerns related to managing the patient’s symptoms and providing end-of-life care. It includes preparing for common symptoms such as pain, dyspnea, nausea, and anxiety, which may necessitate having medications and interventions readily available. Nurses also play a critical role in educating and supporting the patient and their family, helping to address questions, and providing emotional and spiritual support. The nurse acts as an advocate for the patient, ensuring that their needs are met and their care preferences are honored, focusing on facilitating acceptance of the terminal illness and supporting the patient through their final journey.
a chemist is study the effects of minerals on plant growth. She knows that phosphorus stimulates pant growth. She decides to test the effects of various phosphorus concentration on plants every 5 days over a 20 day period what is the independent variable?
The thalamus __________. the thalamus __________. contains the nuclei of cranial nerves vâ€"vii is the structure that connects the right and left cerebral hemispheres
The thalamus is a structure in the brain that serves multiple functions. The thalamus contains the nuclei of cranial nerves vâ€"vii is the structure that connects the right and left cerebral hemispheres.
The thalamus:
Does not contain the nuclei of cranial nerves V-VII: The nuclei of cranial nerves V-VII are located in the brainstem, specifically in the pons and medulla.
Is not the structure that connects the right and left cerebral hemispheres: The structure that connects the right and left cerebral hemispheres is the corpus callosum, a large bundle of nerve fibers.
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In which structure would you expect to find many newly produced molecules of atp?
Which of the hallucinogens has never been used as a medical anesthetic?
What is the blood volume of an average-sized adult male?
The blood volume of an average-sized adult male is approximately 5 to 6 liters or about 1.3 to 1.6 gallons.
The blood volume of an average-sized adult male varies based on factors such as age, weight, height, and overall health. On average, an adult male has a blood volume ranging from about 4.5 to 6.0 liters.
This can be roughly estimated as 7-8% of the total body weight.
To break it down further, blood volume is typically around 70 milliliters per kilogram of body weight. For example, for a male weighing 70 kilograms (about 154 pounds), the estimated blood volume would be around 4,900 milliliters or 4.9 liters.
The circulatory system, including the heart, pumps this blood throughout the body, supplying oxygen, nutrients, hormones, and other essential substances to various tissues and organs.
It also plays a critical role in removing waste products like carbon dioxide and metabolic byproducts.
Maintaining an adequate and stable blood volume is vital for overall health and physiological functions.
Conditions that affect blood volume, such as severe bleeding, dehydration, or certain medical conditions, can have significant implications for health and may require medical attention to restore normal blood volume and circulation.
It's important to note that individual variations and health conditions can cause deviations from these average values.
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Feldman and rosenman found a relationship between _____ and coronary risk.
Help!!! Someone Can someone please help me with this virtual lab this has to be done by Monday 10•16•17 anything helps please
Randy is a nursing student. he has been asked to intravenously inject his patient with 10ml of an isotonic preparation. mistakenly, he injects his patient with 10ml of pure water. what is likely to happen to the red blood cells near the site of injection
The injection of the water would result in the dilution of the plasma. The dilution of the blood plasma would make it hypotonic as compared to the red blood cells present in the plasma.
In the hypotonic plasma, the red blood blood cell would cell. The red blood cell would allow the water molecules to come inside and as a result of inflow of the water, the cell will swell and probably burst. So, the red blood cells at the site of injection will swell and burst due to the injection of water.
Nucleotides are the basic unit of which macromolecules ?
Answer: Nucleic acid
Explanation:
Nucleotides are the basic unit of nucleic acid. Nucleic acids are polymer of the molecule nucleotides. Nucleotides are the basic unit of DNA and RNA that consists of three chemical groups.
These groups are 5 carbon sugar, nitrogenous base and phosphate molecule. If the sugar is ribose sugar then the component formed is Ribo nucleic acid and if the sugar is deoxyribose then the component is deoxyribose nucleic acid.
What can a paleontologist learn from fossils
Which trait is determined by both genetics and the environment?
Answer:
intelligence
Explanation:
Both continuous and discontinuous variations are manifestations of the phenotype. They are variations that directly affect the individual's relationship with their environment.
An individual can inherit the genes to be tall, but if he suffers from malnutrition, he will not reach the height he would have reached if he had normally nourished.
A person will usually gain weight if he eats a lot and lose weight if he is on a diet, but another person can eat as much as the first and can stay thin because of his different constitution, the result of inheritance. For example, if an individual becomes ill or not, it seems that it could be attributed exclusively to his exposure to the agents of the disease, that is, to a purely environmental effect, and instead it has been shown that it is possible to inherit the predisposition or resistance For an infectious disease. If an individual has inherited the predisposition to an infectious disease, but is not exposed to infection, do not get sick. Just as the environment influences the phenotype, it has an action on individuals.
The environment has a significant influence on the development of plants. A fertilized soil and other conditions of light and temperature will accelerate the development of plants. A species of plant that grows in a valley will have, for example, wider leaves and longer stems than the same species they offer on the mountain. Similar experiments in man are possible, that is, to demonstrate whether our intelligence is mainly due to the genes we inherit or to environmental conditions.
There are cases in which for various reasons univiteline twins have been separated and raised in different environments. It has been proven that their genetic identity remains, but the development of their personality, culture and education that has been influenced by the different environment in which they have grown. But there are other characters on which the medium, whether internal or external, exerts a non-negligible influence. The pigmentation of the skin, for example, will be more or less dark in proportion to the intensity of the solar rays received. Height is another example that depends not only on hereditary factors but also on the type of food and the period of growth.
You could identify a sedimentary rock as a conglomerate because of which of the following?
A. the clastic nature of the rock
B. the amount of organic material in it
C. the calcium sulfate content of the rock
D. the small pebbles and rocks embedded in it
A maternity nurse is using a humanistic approach when teaching a new mother about breast-feeding. what question should the nurse use when implementing this approach?
The question will be "What is it that you'd most like to learn about breast-feeding?"
Humanistic Theory of Learning is in contrast to the behaviorist thought of operant molding (which contends that all conduct is the aftereffect of the application of consequences) and the psychological clinician conviction that the finding knowledge or building meaning is vital to learning.
Final answer:
A maternity nurse using a humanistic approach could ask the new mother about her feelings regarding breastfeeding and the type of support she believes will help her succeed, thereby focusing on her holistic well-being.
Explanation:
When implementing a humanistic approach to teaching a new mother about breastfeeding, a maternity nurse could ask, “How do you feel about breastfeeding and what support do you think will help you to successfully breastfeed your baby?” This question focuses on the mother's feelings and recognizes her individual needs, thereby facilitating a supportive and empowering environment that is central to humanistic care.
This approach aligns with the principles of humanism, which emphasize the importance of personal growth, self-fulfillment, and the acknowledgment of the individual as a whole person, rather than just focusing on the physical process of breastfeeding. It also encourages the expression of concerns, which could lead to a more personalized and effective teaching plan, supporting both the psychological well-being of the mother and the physical health of the baby.
When sodium enters the neuron via chemically gated sodium channels, the membrane will depolarize. therefore, the membrane potential will become more?
Which is most necessary for specialization among producers to take place?
What is the inheritance pattern where both alleles are expressed?
Answer:
The correct answer is codominance.
Explanation:
Codominance signifies an association between the two versions of a gene. An individual attains one version of a gene known as allele from each of the parents. If the alleles are distinct, the dominant allele generally will get expressed, while the influence of the other allele, known as recessive, will get suppressed.
However, in the phenomenon known as codominance, neither of the alleles is recessive, and both the alleles' phenotype get expressed. In general, codominance signifies that neither of the alleles can hide the expression of the other one. For example, ABO blood group in humans is an illustration of codominance, in which both the alleles A and B get expressed.
14. List and describe the 4 levels of protein structure.
A.
B.
C.
D.
Answer:
Explanation:
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The lymphatic system can help cancer _________ since cancer cells may enter, circulate, and later exit porous lymphatic capillaries.
a. treatment
b. reversion
c. metastasize
d. lymphedema
Proteins are mostly absorbed as A. fatty acids. B. disaccharides. C. amino acids.
The theory of evolution through natural selection is considered a scientific theory because _____. the theory of evolution through natural selection is considered a scientific theory because _____. it is broad enough in scope to explain many observations it is supported by a massive body of evidence from many disciplines it is general enough to provide many testable hypotheses all of the above are correct. none of the above is correct.
Which factor does not influence stream velocity?
A. stream discharge
B. stream gradient
C. stream elevation
D. channel size
Answer: C. Stream elevation
Stream velocity is the speed of water in a stream. It can be measured in meters per second or feet per second. Stream velocity is highest in the mid stream and lowest along the bottom of the stream. Stream discharge depicts the flow of water from it's source of origin. Stream gradient indicates difference in pressure levels between different water layers. Channel size is the width of water surface acquired by the water body. Stream elevation is the rise in the superficial layer of water. Stream discharge, stream gradient and channel size all influence the stream velocity as they are related to the flow of water. Stream elevation does not influence flow of water hence, does not influence stream velocity.
Answer:
answer is definitely stream elevation