Answer:
7. D
8. D
Explanation:
7. One of the most important functions of iron is the transportation of oxygen to the blood. Iron’s main purpose is to carry oxygen in the hemoglobin of red blood cells throughout your body so your cells can produce energy.
8. A network of tiny capillaries connects the arteries and veins. Though tiny, the capillaries are one of the most important parts of the circulatory system because it’s through them that nutrients and oxygen are delivered to the cells.
58:25
Jasmine and Marcus are at the park, and Jasmine makes the following statements. Which of them is an inference?
The leaves are green.
The flowers are breathtaking.
The plant is producing oxygen.
The bush has thorns.
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Answer:
The flowers are breathtaking.
Explanation:
The leaves are green is an observation. The plant producing oxygen is a scientific fact. The bush having thorns is also an observation.
On the other hand, the flowers being breathtaking is simply a matter of opinion. So, it is an inference.
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Which characteristic distinguishes echinoderms from the other two deuterostome lineages?.
Answer:
radial symmetry
Their body plan
Explanation:
a dna segment has base order agc tta tcg. which copy exhibits a frameshift mutation through deletion?
Answer:
1. The sequence AGC TTT CG suffered a deletion of the Adenine (A) base at the second codon
Explanation:
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there was an increased output of carbon dioxide as the rate of cellular respiration increased in order to support the extra activity. more carbonic acid was produced in a short period of time.
"There was an increased output of carbon dioxide as the rate of cellular respiration increased to support the extra activity. More carbonic acid was produced in a short period" is a true statement.
Why was there an increased output of carbon dioxide?
Cellular respiration is the metabolic process by which cells convert food molecules such as glucose into ATP energy that can be used to carry out various cellular functions. During cellular respiration, oxygen and glucose react, which produces energy in the form of ATP.
Carbon dioxide is produced as a by-product of cellular respiration. The greater the amount of cellular respiration, the greater the amount of carbon dioxide produced. As a result, an increased output of carbon dioxide is observed when the rate of cellular respiration increases.
What is carbonic acid?
Carbon dioxide is converted to carbonic acid (H2CO3) when it dissolves in water. When carbon dioxide is released by cells, it reacts with water in the blood to form carbonic acid. This reaction is catalyzed by an enzyme called carbonic anhydrase, which is found in red blood cells. In a short period, the increased output of carbon dioxide increases the concentration of carbonic acid in the blood.
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Both chimeric antigen receptors and BiTEs function to bring cytotoxic T cells into close proximity to cells bearing a target antigen in order to kill the target cell. What is one advantage of using BiTEs over CAR T cells?
CAR T cells lock directly onto the tumor cells using a receptor on their surfaces while BiTEs rely on an intermediate molecule, reducing the chance of attacking normal tissue cells. BiTEs can be designed to target many different types of antigen, while CAR T cells can only target a limited number of types of antigen. CAR T cells last a long time in the body so the effect lasts long after the initial injection without needing additional treatment. BiTEs do not last very long in the body so the treatment can be dosed to limit adverse effects
Option 2 is Correct. One benefit of employing BiTEs over CAR T cells is that they can be programmed to target a wide variety of antigens, as opposed to CAR T cells, which can only target a small variety of antigens.
By bringing cytotoxic T cells into close contact with cells expressing a target antigen, chimeric antigen receptors and BiTEs both work to destroy the target cell. The use of CAR (chimeric antigen receptor) T cells is one of the key ACT strategies.
By allowing T cells to bind target cell surface antigens via a single-chain variable fragment (scFv) recognition domain, CAR T cells facilitate MHC-unrestricted tumour cell killing. a particular class of immune cell that is capable of eliminating specific types of cells, such as virus-infected cells, cancer cells, and alien cells.
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Correct Question:
Both chimeric antigen receptors and BiTEs function to bring cytotoxic T cells into close proximity to cells bearing a target antigen in order to kill the target cell. What is one advantage of using BiTEs over CAR T cells?
1. CAR T cells lock directly onto the tumor cells using a receptor on their surfaces while BiTEs rely on an intermediate molecule, reducing the chance of attacking normal tissue cells.
2. BiTEs can be designed to target many different types of antigen, while CAR T cells can only target a limited number of types of antigen.
3. CAR T cells last a long time in the body so the effect lasts long after the initial injection without needing additional treatment.
4. BiTEs do not last very long in the body so the treatment can be dosed to limit adverse effects.
What is an example of when lactic acid fermentation would occur?
Answer:
Lactic acid fermentation can be used to make foods such as yogurt, pickles, sauerkraut, etc. Lactic acid fermentation also takes place in human muscle cells during intense exercise.
Explanation:
Answer:
Lactic acid fermentation is used to make many foods such as yogurt and pickles. It also take place in muscle cells during exercise.
once the virus is ready to infect the next host cell, the ____________ breaks from the lysogenic cycle and rejoins the lytic cycle at the biosynthesis stage.
Once the virus is ready to infect the next host cell, the _prophage_ breaks from the lysogenic cycle and rejoins the lytic cycle at the biosynthesis stage.
During the lysogenic cycle, the viral DNA becomes integrated into the host cell's chromosome and replicates along with it. This integration is known as a prophage.
However, under certain conditions, such as stress, the prophage may excise itself from the host chromosome and enter the lytic cycle, which involves the replication and production of new viral particles.
At the biosynthesis stage of the lytic cycle, viral genes are transcribed and translated to produce viral proteins and nucleic acids, which will then assemble into new viral particles.
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The scores to king kong, casablanca, caine mutiny and the informer were all composed by?
The scores to "King Kong," "Casablanca," "Caine Mutiny," and "The Informer" were all composed by Max Steiner. Steiner was an Austrian-American composer who worked extensively in Hollywood during the early days of the film industry. He is considered one of the pioneers of film music and is known for his innovative use of music to enhance the storytelling in movies.
Max Steiner was a prolific composer who scored over 300 films throughout his career. He had a unique ability to capture the emotions and themes of each film through his music. His scores for "King Kong," "Casablanca," "Caine Mutiny," and "The Informer" are considered some of his most iconic works. Steiner's music helped to elevate these films and enhance the audience's experience. His contributions to film music have had a lasting impact and have influenced generations of composers.
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What environmental input is necessary for the Calvin cycle reactions?
The environmental input that is necessary for the Calvin cycle reactions is carbon dioxide (CO₂). It is captured and utilized by the enzyme Rubisco to convert carbon dioxide into glucose during the process of photosynthesis.
The Calvin Cycle, also referred to as the dark reaction, C3 cycle, or carbon fixation, is a sequence of enzyme-assisted reactions that occur in the stroma of chloroplasts in photosynthetic organisms. The Calvin cycle is responsible for transforming carbon dioxide (CO₂) into a high-energy molecule, which is used to produce glucose. This procedure occurs in three stages: carbon fixation, reduction, and regeneration. Environmental input for Calvin CycleIn the Calvin cycle, carbon dioxide is required as an environmental input.
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Put the following steps for urine formation in order from first (step 1) to last (step 4).
Filtrate travels down the nephron tubule.
Blood is filtered in the glomerulus and captured in Bowman’s capsule.
Urine is collected in vessels and leaves the kidneys.
Beneficial molecules and water are reabsorbed into the blood.
Answer:
Filtrate travels down the nephron tubule - Step 2
Blood is filtered in the glomerulus and captured in Bowman’s capsule -Step 1
Urine is collected in vessels and leaves the kidneys - Step 4
Beneficial molecules and water are reabsorbed into the blood - Step 3
Explanation:
Steps of urine formation are given below.
what is urine formation?Urine production is a crucial procedure for the entire body. It effects not only acid-base balance, but also blood osmolarity, plasma composition, and fluid volume, and therefore all cells in our body.Urine is formed in three stages: glomerular filtration, reabsorption, and secretion.Steps of urine formation are:-
Blood is filtered in the glomerulus and captured in Bowman’s capsule.Filtrate travels down the nephron tubuleBeneficial molecules and water are reabsorbed into the blood.Urine is collected in vessels and leaves the kidneys.Hence, the correct order is 2,1,3,4.
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Define the term "characteristic feature".Does it refer only to differences between members of the same species?
Characteristic feature is a trait or quality.
Characteristic traits can be seen in members of different species, it can also be seen between members of the same species, these include cellular organization, homeostasis, metabolism etc.
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Answer:
C
Explanation:
Due to constant erosion, it will erode and collapse from which sediments form which sink into the sea or float depending on its mass
can you help answer 3? please
why the veins in our palm seems to be blue as we know it's dark red???
Remember that blue light does not penetrate human tissue as deeply as red light does. Then, veins that are close to the surface of the skin will be more likely to reflect blue light back to the eye.
Thus, we can conclude that the correct answer is:
Answer:Veins appear blue because blue light is reflected back to our eyes. That is, blue light does not penetrate human tissue as deeply as red light does. Then, veins that are close to the surface of the skin will be more likely to reflect blue light back to the eye.
To produce starch, glucose molecules bond together through
Chemical Reaction
Reproduction
What are Okazaki fragments?
A. parts of DNA that were replicated
incorrectly
B. the part of DNA in the replication bubble
C. areas of replication that occur in pieces
on the 5' or discontinuous strand
Nirenberg and Leder used the triplet binding assay to determine specific codon assignments. A complex of which of the following components was trapped in the nitrocellulose filter? uncharged tRNAs and ribosomes sense and antiserse strands FONA free tRNAS ribosomes and DNA charged RNA, RNA triplet and ribosome
Nirenberg and Leder used the triplet binding assay to determine specific codon assignments. A complex of charged RNA, RNA triplet and ribosome was trapped in the nitrocellulose filter.
What is the Triplet Binding Assay?The triplet binding assay is an experiment that was carried out by Nirenberg and Matthaei to determine the amino acid sequence of a protein. This is accomplished by determining which amino acid is inserted into a growing peptide chain by observing the codon present in the mRNA and the tRNA molecule that delivers the amino acid, which is complementary to it.
They accomplished this by employing a cell-free protein synthesis system and a synthetic polyribonucleotide that consisted of repeating copolymers of the bases uracil and cytosine, which provided RNA molecules of known composition.A complex of charged RNA, RNA triplet, and ribosome was trapped in the nitrocellulose filter. Nitrocellulose filters were utilized to catch the complexes between tRNAs and ribosomes. This permitted the isolation of tRNA and the measurement of the radioactivity associated with it.
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Which of these structures are found in both plant and animal cells?
Answer: B, mitochondria, ribosomes, vaucuoles
the total area of land and water ecosystems and individuals needs to obtain food shelter home heating travel and waste absorption is called
A. a Land Management plant
B. an environmental problem
C. an ecological footprint
D. a measure of diversity
Agricultural runoff can carry fertilizers into lakes and streams. This runoff can cause algae populations
to increase. Which effect does this change in the algae population sizes most likely have on affected
lakes and streams?
A.)an increase in water level
B.) an increase in water clarity
C.) a reduction in dissolved oxygen needed by fish and shellfish
D.) a reduction in temperature variations near the water's surface
Answer:
C
Explanation:
Agricultural runoff can carry fertilizers into lakes and streams. This runoff can cause algae population to increase.
These algae population reduces dissolved oxygen needed by fish and shellfish in lakes and streams.
How overgrowth of algae population can affect aquatic life?Fertilizers are great source of phosphorous and nitrogen which can cause overgrowth of algae.
Over population of algae can cover the surface of the water bodies and prevent penetration of sunlight to the underwater plant.
Algae consume oxygen during night and produces oxygen only during day ( during photosynthesis).
When algae dies, it consumes oxygen.
Hence overall algae reduces dissolved oxygen level need by aquatic life to survive.
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Why do you think adult male crabs have such a large claw? What could be the purpose of it? And can you think of any other animals that have structures with a similar purpose?
Answer:
holaf
Explanation:
nino
how would you expect the compensation points to differ between plants growing in a wood and those growing in a field?
The data show the age and location of rocks on the sea floor.
Distance from mid ocean ridge, 10 kilometers, age, 300,000 years. Distance, 25 kilometers, age, 1 million. Distance, 40 kilometers, age 1 million 625,000 years.
Describe the relationship between the age of the rocks and their distance from the mid-ocean ridge.
Determine whether the rate of plate movement is a slow or fast process.
Based on the given data, there is a clear relationship between the age of the rocks and their distance from the mid-ocean ridge.
What is the relationship between the age of rocks and their distance and is the rate of movement slow or fast?The rocks closer to the mid-ocean ridge are younger than the rocks farther away from it. Specifically, the rocks that are 10 kilometers from the ridge are 300,000 years old, while the rocks that are 25 kilometers away are 1 million years old, and the rocks that are 40 kilometers away are 1,625,000 years old.
This pattern of younger rocks closer to the mid-ocean ridge and older rocks farther away is consistent with the theory of plate tectonics.
The rate of plate movement can be estimated by dividing the distance between two points on the sea floor by the difference in their ages. Based on the given data, the rate of plate movement between the 10-kilometer and 25-kilometer marks is (25 km - 10 km) / (1 million years - 300,000 years) = 15 km / 700,000 years ≈ 0.021 km/year. Similarly, the rate of plate movement between the 25-kilometer and 40-kilometer marks is (40 km - 25 km) / (1,625,000 years - 1 million years) = 15 km / 625,000 years ≈ 0.024 km/year.
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How do the flowing layers of the Earth interact?
They interact by the core transferring energy by conduction to the upper mantle
assisting in the softening of the rock layer which leads to convection.
They interact by the core transferring energy by convection to the upper mantle
assisting in the softening of the rock layer which leads to conduction.
They interact by the core transferring energy by precipitation to the upper mantle
assisting in the softening of the rock layer which leads to evaporation.
They interact by the upper mantle transferring energy by conduction to the core
assisting in the softening of the rock layer which leads to radiation.
Answer:
They interact by the upper mantle transferring energy by conduction to the core assisting in the softening of the rock layer which leads to radiation.
Explanation:
Convection currents coming from the core and mantel are believed to the main cause of the interaction. As these currents travel up and down the curst and mantle boundary and this creates the plates to move freely forming a conveyor belt. The core of the earth creates this convective current to rise up due to the heat and pressure. The hot molten rocks in the mantle eventually cool and the cycle of rising and sinking takes place.You just performed 5 cycles and 2 minutes of CPR on an adult. You reassess for a pulse. No pulse is present. What is your next course of action?a. search for an AEDb. call 911 immediatelyc. reinitiate CPRd. none of the above
Answer: The correct answer to the question is option A
SEARCH FOR AN AED.
Explanation: AED stands for Automated External Defibrillator.
It is a machine that is used to re-establish a normal cardiac rythym in cases of cardiac arrest or when the heart stops beating momentarily.
It delivers electric shock via the chest to the heart inorder to stop an an irregular heart rythym and establish an effective one.
From the scenerio in the question,5 cycles and 2minutes of CPR has been done on the victim but no pulse is present, The next best thing to do is to use an AED to shock the victim inorder to re-establish the lost cardiac rythym and pulse respectively.
This is achieved placing the pads on victim, analysis the rythym, move slightly away from the victim to prevent any contact and then shock the victim by pressing the shock button as the AED instructs showing that the rythym presented is a shockable one.
How do traditional expectations based on gender bias in our society, families affect men?
Answer:
Traditional expectations based on gender bias in our society and families can have a significant impact on men. These expectations may include certain behaviors, attitudes, and roles that are deemed appropriate or desirable for men to exhibit. For instance, men are often expected to be strong, independent, and in control of their emotions, while expressing vulnerability or weakness is often stigmatized.
These expectations can be harmful to men in several ways. Firstly, they can lead to men feeling pressure to conform to traditional gender roles, even if they do not align with their personal values or goals. This can limit their opportunities and prevent them from pursuing careers or interests that are traditionally associated with women, such as caregiving or teaching.
Additionally, gender bias can affect men's mental health. Men who are expected to be strong and self-sufficient may feel reluctant to seek help or support when they need it, leading to increased levels of stress, anxiety, and depression. This may also contribute to a lack of social support and feelings of isolation.
Finally, traditional gender roles can impact men's relationships. Men who adhere to traditional gender roles may struggle to communicate effectively with their partners or to share responsibilities in the household. This can create tension and strain on relationships, as well as limit men's opportunities to connect with their families and develop close relationships with their children.
Overall, the traditional expectations based on gender bias in our society and families can have negative consequences for men's mental health, relationships, and opportunities. It is important to challenge these expectations and create more inclusive, equitable, and supportive environments for all individuals, regardless of their gender.
If an inhibitor attaches to site Z, describe what will happen to the overall reaction rate and explain why (what is happening).
Answer:
the inhibitor will be connected to site Z and it'll separate
If corticosteroids are powerful anti-inflammatory drugs explain how they can alter the transcription of many genes.
corticosteroids is a steroid thus they can affect the transcription of many genes.
Steroid hormones regulate gene transcription by interacting with nuclear receptors, which are ligand-activated transcription factors, resulting in the hormonal stimulus being converted into a transcription response.
What are anti-inflammatory drugs?Anti-inflammatory medications are used to treat constriction symptoms. These medications relax the airways and reduce airway hyperreactivity to various stimuli that may cause constriction symptoms.
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what are important important factors in determining where hazards will occur
what is gene theraphy?
Answer:
Gene therapy is the introduction of genes into existing cells to prevent or cure a wide range of diseases.