He finally broke the spell of Boston and his words what two things are being compared in the metaphor used here? why?
Answers
Answer:
Guilt, self disgust, senslessness
Explanation:
Boston is plagued by feelings of guilt and self-disgust after the senseless, cold-blooded murder of Gumboot Dhlamini. He wants to know if Tsotsi shares these feelings. Boston asks Tsotsi many questions and this has a profound effect on Tsotsi, who does not remember much of his past.
Related Questions
plz help with all.,.................
Answers
Answer:
1. Energy is stored as stored chemical energy in the bonds between phosphate groups in the ATP molecules. When ATP is hydrolyzed and the bonds between phosphates are broken, the energy is released.
2. ATP can power cellular processes by transferring a phosphate group to another molecule. This transfer is carried out by special enzymes that couple the release of energy from ATP to cellular activities that require energy.
4. Photosynthesis is usually represented by the equation 6 CO2 + 6 H2O + light --> C6H12O6 + 6 O2. Carbon dioxide + water + energy from light produces glucose and oxygen.
Explanation:
Explain the various reasons why a muscle would cramp
Answers
Various Reasons why muscles cramps are:
After working with muscle too muchLosing body fluids through sweat Holding a position for a long timeDehydration also causes muscles to crampMuscles get weaker with ageDiabetes Some medications also cause muscle painwhat cells do not respond to hormones
Answers
While all cells are exposed to hormones circulating in the bloodstream, not all cells react. Only a hormone's "target" cells, which have receptors for that hormone, will respond to its signal. When the hormone binds to its receptor, it causes a biological response within the cell.
When the sea otters population declined, the kelp beds where eaten rapidly by sea urchins, removing most of the kelp. This is because: *
1 point
the carrying capacity for sea urchins had not yet been reached
the carrying capacity for sea urchins had been reached
the sea urchins were a keystone species
kelp was not important in this ecosystem
Answers
Malaria is spread bysnailsfliescontaminated fecescertain types of mosquitoesbacteria
Answers
Malaria is a parasitic disease that is primarily spread by the bites of infected female Anopheles mosquitoes. Therefore the correct option is option C.
Malaria is only transmitted by the female Anopheles mosquito, which carries the malaria parasite in its salivary glands. Snails, flies, infected faeces, or germs do not propagate the parasite.
When an infected mosquito bites a person, it can transfer the malaria parasites into the person's bloodstream. Malaria is not spread by snails, flies, contaminated feces, or bacteria.
It's crucial to emphasise that not all mosquitos contain the malaria parasite, and not everyone who gets bitten by an infected mosquito will get malaria. Therefore the correct option is option C.
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in dna replication, each newly made strand is 1. identical in dna sequence to the strand from which it was copied. 2. an incomplete copy of one of the parental strands. 3. oriented in the same 3'-to-5' direction as the strand from which it was copied 4. complementary in sequence to the strand from which it was copied. 5. a hybrid molecule consisting of both ribo- and deoxyribonucleotides.
Answers
In DNA replication, each newly made strand isi n DNA replication, each newly made strand is complementary in sequence to the strand from which it was copied.
What is DNA replication ?A double-stranded DNA molecule is copied to create two identical DNA molecules through the process of DNA replication. Because every time a cell splits, the two new daughter cells must have the same genetic material, or DNA, as the parent cell, replication is a crucial process.Since DNA replication is a critical process, the freshly manufactured DNA is proofread by the cell to make sure no errors or mutations are added. Once a cell's DNA has been duplicated, it can divide into two identical copies, each of which has the original DNA.For more information on DNA replication kindly visit to
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Scientists are able to reproduce certain plants and animals by cloning them in laboratories. The diagram shows the steps of cloning using tissue cultures. Do you think cloning is a form of asexual reproduction? Explain your answer using evidence from the diagram
Answers
Answer:
Yes.
Explanation:
Yes, cloning is a form of asexual reproduction because there is no fusion of sperm and eggs takes place. the animal which is formed from this process is identical of that organism because it is produced from the tissue of that single animal. in 1996, first mammal is produced from cloning was sheep named dolly at the Roslin Institute in Scotland. In cloning, the egg is taken from female organism and remove the nucleus from the egg then the desired organism cell is taken and fuse with the nucleus with the help of electricity. Then implant this embryo in the body of first organism from where egg is taken and after that the embryo turns into a baby, this process is called cloning.
Answer:
Yes, cloning is a form of asexual reproduction. The diagram shows that new plants form from a single parent plant, which means that the offspring are genetically identical to the parent.
Explanation:
Edmentum
alright...first off, could someone tell me if the hyena is part of canidae or not. And also, does anyone want to role play?
Answers
Answer:
down below
Explanation:
They are generally considered to be part of the canidae family but it is dependent on the species and social behavior.
Hope this helps! :)
Answer:
No.
Explanation:
Hyenas are not members of the dog or cat families. Instead, they are so unique that they have a family all their own, Hyaenidae. There are four members of the Hyaenidae family: the striped hyena, the “giggly” spotted hyena, the brown hyena, and the aardwolf. (Our questions were deleted)
Which type of glia are most similar to your skin cells?
astrocytes
interneurons
ependymal
microglia
Answers
Microglial cells are most similar to found in our skin cells.
What is microglial cells?Neuroglia (glial cells) of the microglia kind are found all over the brain and spinal cord. Between 10% and 15% of all brain cells are microglia. They serve as the first and primary active immune defense in the central nervous system because they are resident macrophage cells (CNS).
Throughout the CNS, microglia (and other neuroglia, including astrocytes) are dispersed in sizable, non-overlapping areas. Microglia are essential for maintaining the overall health of the brain since they are constantly scouring the CNS for plaques, infected cells, and damaged or superfluous neurons and synapses.
Microglia are particularly sensitive to even minute pathogenic changes in the CNS because these processes must be effective to prevent potentially fatal harm.
Therefore, Microglial cells are most similar to found in our skin cells.
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in mammals, cytosines in the cpg palindrome in duplex dna are generally symmetrically methylated on both dna strands
Answers
in mammals, cytosines in the CpG palindrome in duplex DNA are generally symmetrically methylated on both DNA strands. This methylation can have important implications for gene expression and cellular function.
In mammals, cytosines in the CpG palindrome in duplex DNA are generally symmetrically methylated on both DNA strands. This means that the cytosine bases in the CpG sequence, where a cytosine is followed by a guanine, are often modified by the addition of a methyl group (-CH3).
Methylation of cytosines is an epigenetic modification that can affect gene expression. It can act as a switch to turn genes on or off, depending on the location and context of the methylation.
The CpG palindrome refers to the presence of CpG sequences on both DNA strands in a symmetrical manner. For example, on one strand, you may have the sequence 5'-CG-3', and on the complementary strand, you will have the sequence 3'-GC-5'.
The symmetric methylation of cytosines in the CpG palindrome is important for maintaining genomic stability and regulating gene expression. Methylation patterns can vary between different cell types and can be influenced by environmental factors.
To summarize, in mammals, cytosines in the CpG palindrome in duplex DNA are generally symmetrically methylated on both DNA strands. This methylation can have important implications for gene expression and cellular function.
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Why did the elk population become a problem in Yellowstone?
Question 1 options:
Elk were introduced to limit tree growth.
There were not enough elk to support local hunters.
Elk were on the endangered species list and could not be killed.
The elk population was destructive because there were no predators.
Answers
Answer:
The elk population was destructive because there were no predators.
Explanation:
There was a decline in wolves.
Answer:
The elk population was destructive because there were no predators
Explanation:
There was a decrease in hunters so the amount of elk grew.
What global circulation cell most strongly affects the weather
and climate and Vancouver, British Columbia?
Select one:
a. Ferrel cell
b. Polar cell
c. Trade winds
d. Polar high
e. Hadley cell
Answers
What type of cross is a mating between two individuals that are both heterozygous for the same two genes
Answers
Answer:
Dihybrid cross
Explanation:
what pattern of hormone secretion would be observed in a patient with hypercortisolism if the tumor was in her anterior pituitary gland? assume that the tumor is over producing its normal product and the tumor cells do not respond to negative feedback signals.
Answers
Negative feedback signals is the pattern of hormone secretion caused by a tumor on the anterior pituitary gland, resulting in the overproduction of hormones.
In this case, the tumor produces hormones without responding to negative feedback signals. As a result, the patient's body will experience an increased secretion of hormones, leading to medical symptoms and conditions.
The hormones that are typically overproduced in this condition are cortisol, growth hormone, luteinizing hormone, follicle-stimulating hormone, and prolactin.
These hormones can cause the body to become resistant to insulin, leading to glucose intolerance and weight gain. Additionally, hypercortisolism can cause hypertension, osteoporosis, and infertility.
It is important to seek medical advice if you experience any of these symptoms as they can be indicators of hypercortisolism.
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Which observation of a plant on a windowsill
supports the inference that plants need sunlight?
A Flowers were produced.
B Larger leaves wilted.
C Stems grew toward the window.
D Roots were visible above the soil.
Answers
The stem growing towards the window shows the need for sunlight because the plant is adapting to be able to reach the light entering through the window.
plants will grow towards the sunlight it needs in order to synthesize, therefore it will grow towards the window (as this is where the source of sunlight comes from)
another indicator is that the plant actually grew (and to the window) therefore it did receive the sunlight it needs to carry out its processes
PLEASE HELP!!!!!!!!!
There is growing concern over the decline in the U.S. honeybee population due to the use of pesticides. How could this affect biodiversity and ecosystem services? Suggest a solution for this problem.
Answers
As bile is produced and secreted, what structures or cells does it encounter?
Answers
The structures or cells bile encounters are in the order: Hepatocyte, Bile canaliculus, Common hepatic duct, Cystic duct, and Gallbladder.
What is bile?The liver of most vertebrates produces bile, also known as gall, which is a dark-green to the yellowish-brown fluid that aids in the small intestine's breakdown of lipids. Bile is continuously created by the liver in humans (liver bile), and it is stored and concentrated in the gallbladder. Hepatic bile is made up of 200 meq/l inorganic salts, 0.7% bile salts, 0.2% bilirubin, 0.5% lipids (cholesterol, fatty acids, and lecithin), and 97-98% water. Biliverdin, a green oxidized version of bilirubin, is one of the two primary pigments in bile. They combine to give feces their specific brown hue color. Adult humans produce about 400 to 800 milliliters of bile every day.
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Mr. Johnson, age 57, presented to his physician with marked fatigue, nausea with occasional diarrhea, and a sore, swollen tongue. Lately he also has been experiencing a tingling feeling in his toes and a feeling of clumsiness. Microscopic examination of a blood sample indicated a reduced number of erythrocytes, many of which are megaloblasts, and a reduced number of leukocytes, including many large, hypersegmented cells. Hemoglobin and serum levels of vitamin B12 were below normal. Additional tests confirm pernicious anemia.
Discussion Questions
Relate the pathophysiology of pernicious anemia to the manifestations listed above. (See Pernicious Anemia.)
Discuss how the gastric abnormalities contribute to vitamin B12 and iron deficiency and how vitamin B12 deficiency causes complications associated with pernicious anemia. (See Pernicious Anemia—Pathophysiology, Etiology.)
Discuss other tests that could be performed to diagnose this type of anemia. (See Pernicious Anemia—Diagnostic Tests.)
Discuss the treatment available and the limitations.
Answers
Pernicious anemia is a medical condition in which the body can not produce sufficient quantities of red blood cells.
In patients with pernicious anemia, the vitamin B12, which is a key ingredient in the development of healthy red blood cells, is not absorbed from food. Pernicious anemia manifests in various symptoms that include fatigue, diarrhea, and a sore, swollen tongue. The tingling in the toes, as well as a feeling of clumsiness, are due to the development of neurological symptoms that may emerge with this type of anemia.Pathophysiology of pernicious anemia to the manifestations listed aboveFatigue, nausea with occasional diarrhea, and a sore, swollen tongue are symptoms of pernicious anemia.
In pernicious anemia, the body is unable to absorb vitamin B12. Megaloblasts are enlarged erythrocytes that are reduced in number. The body requires vitamin B12 for red blood cell formation. Reduced erythrocyte production leads to anemia. Neurological symptoms, such as tingling in the toes and clumsiness, result from the lack of vitamin B12. Neurological symptoms result from the breakdown of the myelin sheath that insulates nerve cells. In pernicious anemia, the body creates antibodies against intrinsic factors, resulting in the depletion of vitamin B12, which is required for DNA synthesis, resulting in abnormal blood cell formation.
Gastric abnormalities contribute to vitamin B12 and iron deficiency and how vitamin B12 deficiency causes complications associated with pernicious anemiaThe presence of intrinsic factors in the stomach is required for the absorption of vitamin B12. Intrinsic factors are created in the parietal cells of the stomach. Inflammation or atrophy of the stomach lining reduces intrinsic factor production and leads to vitamin B12 and iron deficiencies. Pernicious anemia is caused by the absence of intrinsic factor production in the stomach and the resulting vitamin B12 deficiency.Diagnostic tests for pernicious anemia.
There are various tests that can be performed to diagnose pernicious anemia, including blood tests that indicate megaloblastic anemia. An intrinsic factor antibody test is used to measure the presence of antibodies that destroy intrinsic factors in the stomach. Other tests may include the Schilling test, which determines the body's absorption of vitamin B12, and a complete blood count (CBC) to assess the number and type of blood cells in the body.Treatment available and the limitations Vitamin B12 injections are the most common treatment for pernicious anemia.
Cobalamin injections (B12) are given intramuscularly, and folic acid supplements are also prescribed. Patients must receive lifelong B12 injections since vitamin B12 deficiency can not be reversed once it has occurred. Limitations are that not all patients will respond to treatment, particularly if the diagnosis is delayed, and there is an increased risk of stomach cancer in patients with pernicious anemia.
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What role does a bald eagle play in the food web
Ez points
Answers
Answer:
ecological role
Explanation:
hes a predatory bird
Answer:
ecological role
Explanation:
the rate of the Earth's and moon's rotation and revolution constant?
Answers
The moon orbits the Earth once every 27.322 days. It also takes approximately 27 days for the moon to rotate once on its axis. As a result, the moon does not seem to be spinning but appears to observers from Earth to be keeping almost perfectly still. Scientists call this synchronous rotation.
Some protists (single-celled organisms) that live in hypotonic pond environments have cell membrane adaptation that slow water uptake. Why does this adaptation make sense?
ALSO please I need help with the other problem
Answers
1. It makes sense that protists in hypotonic pond habitats would have evolved to decrease water intake because a hypotonic environment has more water outside the cell than inside.
As a result, water may enter the cell quickly by osmosis, causing the cell to enlarge and finally explode. Some protists can avoid this and preserve their size and shape by delaying the intake of water.
The adaptation can manifest in a variety of ways, such as the formation of thicker cell membranes that restrict water uptake, the appearance of contractile vacuoles that eliminate extra water, and the synthesis of osmolytes to balance the concentration of water.
The protists can survive in hypotonic settings and preserve their cellular integrity thanks to this adaptation.
3. Since it generates a hypertonic environment around the plant roots, a rise in soil salinity (salt concentration) can be harmful to plants. This indicates that water is forced out of plant cells through osmosis because the concentration of solutes outside the cell is higher than inside. Dehydration and damage to the plant's cells may result from this, which could slow growth and harm the plant as a whole.
4. Pure water cannot be used for IV bags because it is hypotonic in comparison to the different solutes found in human blood. Pure water would quickly infiltrate the patient's cells if injected into their veins, causing them to enlarge and possibly rupture. The solution becomes isotonic to human blood, which means that it has the same concentration of solutes as the blood, by adding solutes like salt or sugar to the IV bag. This guarantees that the patient may get the fluids safely without risking cell harm.
5. The freshwater aquarium's water is hypotonic compared to the fish's body fluids, which means that the concentration of solutes outside the fish is lower than within, hence the saltwater fish cannot thrive there. Osmosis would cause water to travel quickly into the fish's body as a result, leading the fish to quickly absorb too much water and possibly explode. To maintain the correct water balance in their bodies, saltwater fish need a hypertonic environment, whereas freshwater fish need a hypotonic one. Combining the two can be harmful to the fish's health and perhaps kill it.
OsmosisOsmosis is the transfer of water molecules from an area with a higher concentration of water to an area with a lower concentration through a semi-permeable membrane. The amount of solutes (such as salt or sugar) present on each side of the membrane has an impact on the direction and speed of water flow. Water will rush into the cell under hypotonic settings, when the solute concentration is lower outside the cell, causing it to inflate and possibly explode. In contrast, water will exit the cell in hypertonic conditions, when the concentration of solutes is higher outside the cell, causing the cell to contract and possibly die. An increase in soil salinity can be harmful to plants because it makes it difficult for water to penetrate the soil's solute content.learn more about osmosis here
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How does coevolution affect biodiversity?
Answers
Answer:
Coevolution plays a key role in shaping the biodiversity on Earth. Coevolution is commonly defined as reciprocal evolutionary changes brought about by interactions between species, implying that interacting species impose selection on each other.
How well the experimenter can generalize to the population of interest is called?
Answers
The term you are looking for is "external validity." External validity refers to how well the findings from a study can be generalized to a larger population beyond the participants involved in the experiment.
It is important for researchers to consider external validity when conducting studies in order to ensure that their findings are applicable to the broader population of interest.
External validity is a crucial aspect of research as it determines the extent to which the results can be applied to real-world situations. It involves considering factors such as the representativeness of the sample, the conditions under which the study was conducted, and the relevance of the findings to the population being studied. By considering external validity, researchers can make more accurate and meaningful conclusions about the broader population based on their study's results.
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The proteins in the cell membrane allow substances to come or go based on their concentrations. This is an important part of _____ which maintains the immediate conditions necessary for life.
Answers
Answer:
The proteins in the cell membrane allow substances to come or go based on their concentrations. This is an important part of Homeostasis which maintains the immediate conditions necessary for life.
Calcium (Ca) is in the same group as Mg. Explain
how Ca will react. Select the most appropriate words as you construct your explanation.
please help meee
Answers
Answer:
1.) will
2.) same
3.) One Ionic bond.
In physiological terms, what distinguishes humans from all other living organisms.
Atmospheric pressure at sea level is 1 bar.
A) If we climb a mountain andthe pressure at the top is 0. 5bar, what is the partial pressureof oxygen?
B) If I have abllon with a volume of 1 L at sea level, what is its volume at the top of the mountain where the total pressure is 0. 5 bar?
Answers
In physiological terms, one key distinction that sets humans apart from all other living organisms is their ability to adapt to different atmospheric conditions.
Atmospheric pressure at sea level is 1 bar. When climbing a mountain and reaching the top where the pressure is 0.5 bar, the partial pressure of oxygen can be determined using Dalton's law of partial pressures.
A) To find the partial pressure of oxygen, we multiply the total pressure (0.5 bar) by the fractional concentration of oxygen in the air. The fractional concentration of oxygen at sea level is approximately 0.21. Thus, the partial pressure of oxygen at the top of the mountain would be 0.5 bar * 0.21 = 0.105 bar.
B) The volume of a balloon at the top of the mountain can be determined using Boyle's law, which states that the volume of a gas is inversely proportional to its pressure when temperature is constant. Assuming the temperature remains constant, we can use the equation P1V1 = P2V2 to calculate the volume.
At sea level, the volume is 1 L and the pressure is 1 bar. At the top of the mountain, the pressure is 0.5 bar.
Thus, we have (1 bar)(1 L) = (0.5 bar)(V2).
Solving for V2, the volume at the top of the mountain would be 2 L.
So, in conclusion:
A) The partial pressure of oxygen at the top of the mountain would be 0.105 bar.
B) The volume of the balloon at the top of the mountain would be 2 L.
Please note that these calculations are based on idealized assumptions and do not take into account various factors such as temperature changes or variations in oxygen concentration.
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Please help ASAP!!!!!!
Answers
if I remember correctly it should be passive transport
what is 1000 into brackets 0.0128/200
Answers
Answer:
0.064
Explanation:
if you drop a human cell into pure water in a petri dish, water molecules will pass into the cell membrane, causing the cell to swell or sometimes even burst if it has no active mechanism to expel the water. what process is happening here?
Answers
The process is happening when we drop a human cell into pure water in a petri dish, water molecules will pass into the cell membrane is osmosis.
Osmosis is the spontаneous net movement or diffusion of solvent molecules through а selectively permeаble membrаne, in the direction thаt tends to bаlаnce the solute concentrаtions on the two sides, from а region of high wаter potentiаl (region of lower solute concentrаtion) to а region of low wаter potentiаl (region of higher solute concentrаtion).
In the case above, a human cell isа region of high wаter potentiаl and pure water is а region of low wаter potentiаl. It makes water molecules will pass into the cell membrane, causing the cell to swell or sometimes even burst if it has no active mechanism to expel the water.
Your question is incomplete, but most probably your full options were
a. metabolism
b. diffusion
c. osmosis
d. cellular respiration
Thus, the correct option is D.
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Which of the following best describes the function of the human nervous
system?
A. The nervous system transports oxygen and nutrients to the body's
tissues.
B. The nervous system protects the body against infection and helps
regulate body temperature.
C. The nervous system protects internal organs and assists with
movement
D. The nervous system collects and responds to information about
the internal and external environment.
Answers
Answer:
d
Explanation:
the nervous system is made up of different types of neurons, your brain, and spinal cord. these recive and transmit information.