Answer:
Explanation:
Local health department links up patient with adequate health care needed especially area where good health facilities is reduces and cannot be access, they prevent spread of disease by given immunizations.
They also help in avoiding spread of diseases and infections by working with other health agencies to create awareness.
In the environment, some of them ensure access to to good and clean water, they develop plans when emergency cases arises and during disaster.
Answer:
C
Explanation:
The local health departments make sure that the community's health is thoroughly assessed, thus, it is their role to oversee the day-to-day health issues in a country. For example, if there's an infectious disease, they prevent its spread by mandating some policies or protocols that people should follow. It is also their duty to respond to emergency situations that affect the health of the local people.
Determine the correct sequence of events during the creation of recombinant DNA.
I. Plasmid is cut open with enzymes
II. Target gene is cut out with enzymes
III. Plasmid is inserted into the bacterium
IV. Target gene is bonded to the plasmid with Ligase
A. IV, I, II, III
B. II, I, IV, III
C. I, II, III, IV
D. IV, III, I, II
Answer:
I believe the correct answer to your question is A
IV, I, II, III
A student makes a Venn diagram as a study aid to compare asexual reproduction and sexual reproduction. Which process belongs in the region marked X? Fertilization Vegetative propagation Binary fission Sporulation
The answer is Fertilization. For example, sexual reproduction in mammals occurs when the sperm cell fuses with the egg forming the zygote.
Why can the use of fertilizers, pesticides, and industrial chemicals unintentionally
harm a community's water supply?
Answer:
Run off
Explanation:
The top soil can produce runoff if it rains heavily and travel with the water. The pesticides in the water are harmful to our body when consuming it. The pesticides are in the topsoil, therefor when the soil runs into the water system it is now contaminated with pesticides.
what are the economic importance of hydra
Answer:
Due to its immortality, Hydra has been the subject of many studies regarding aging processes for several years. Hydra is an important model for studies of axial patterning, stem cell biology and regeneration. The genome of Hydra magnipapillata has been sequenced and compared to the genomes of other animals.
Explanation:
Which are the major components of ribosomes? DNA and proteins RNA and proteins single strands of sugars double strands of nucleic acids
Answer:
RNA and proteins are major components of ribosomes
Which statement is correct? Carbon dioxide diffuses from the alveoli into surrounding capillaries. In the blood, oxygen is bound to hemoglobin, a protein found in red blood cells. Oxygen is released from the mitochondria as a product of cellular respiration. As oxygen diffuses from the lungs into capillaries, blood becomes deoxygenated. Oxygen diffuses from large blood vessels into the body's cells.
Answer:
In the blood, oxygen is bound to hemoglobin, a protein found in red blood cells.
Explanation:
The blood contains a protein called hemoglobin. This protein has the important use of ensuring oxygen is bound to the blood for distribution to other parts of the body. The oxygen helps in the vital functioning and metabolism of the various body parts.
This explains why In the blood, oxygen is bound to hemoglobin, a protein found in red blood cells Is the right choice.
Why does the combination of respiration and photosynthesis allow a sealed environment to survive almost indefinitely?
A. They recycle each other's materials.
B. They do not allow a sealed ecosystem to survive.
C. They each sustain a different part of the food chain.
D. They create new energy to be used.
Answer:
A. They recycle each other's materials.
Explanation:
Respiration brings out carbon dioxide which is good for photosynthesis.
And photosynthesis also brings out oxygen used for respiration.
Hope it helps.
The combination of respiration and photosynthesis allows a sealed environment to survive almost indefinitely because they recycle each other's materials. Thus, the correct option is A.
What is Photosynthesis?Photosynthesis may be defined as the process through which plants and other photosynthetic algae synthesize their own food (glucose) with the help of carbon dioxide and water in the presence of sunlight.
The product of photosynthesis i.e. oxygen gets utilized in the process of respiration, while the outcome of respiration i.e. carbon dioxide gets utilized in the process of photosynthesis.
Therefore, the correct option for this question is A.
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How is the human body organized to maintain homeostasis?
Answer: The human body is an exquisite machine, partly because it maintains functionality in a variety of environments. Humans can thrive in conditions ranging from the arctic to the equator, and with a variety of diets and lifestyles. Part of the reason for this adaptability is the body’s ability to maintain homeostasis.
Answer:
[tex]\boxed{\mathrm{view \: explanation}}[/tex]
Explanation:
The organs that work in the human body are mainly responsible for maintaining homeostasis.
The body maintains homeostasis by excreting toxins and unnecessary materials from the body fluids. The nervous system helps keep homeostasis in maintaining rate of respiration. The internal body temperature of Humans is an example of homeostasis, because we can maintain different temperatures.
An important feature of a hypothesis is that it is a. right the first time. b. testable. c. supported by all the data you gather.
Answer:
testable
Explanation:
because it is possible to make observation that agree with it
In "Landscape with the Fall of Icarus," what does Williams's use of the word
"unsignificantly" suggest about the drowning of Icarus?
A. That it is historical
B. That it is unusual
C. That it is exciting
D. That it is not important
Answer:
D. That it is not important
Explanation:
The word "unsignificantly" suggest that Icarus drowned near the coast which was not important because he was unable to swim due to weight of the feathers. This poem shows the carelessness of the Icarus by flying too high which cost his life. His father advice him not to fly too close to the sun but he ignored his father's advice and fly too high. Due to which the wax that binds the feather start melting and Icarus fell into the sea and die.
Answer:
D
Explanation:
Write down three functions of the blood
Answer:
blood has 3 main function which is Transport protection and regulations.
Answer:
Transport, protection, regulations.
Explanation:
differentiate Sympathetic and parasympathetic nervous system
Answer:
Sympathetic nervous system makes the body ready to fight or fight response during any danger in the body.
While
Parasympathetic nervous system slow the body from performing too much work there by restoring the body to calm and composed state
Explanation:
The autonomic nervous system is divided into two; the sympathetic and parasympathetic nervous system. The autonomic nervous system controls the involuntary actions of internal organs and glands.
The sympathetic nervous system originate from the spinal cord and and it's is responsible for accelerateing the heart rate, constricting blood vessels, and raising blood pressure. Thereby preparing the body to fight or fight response against any danger.
The parasympathetic nervous is a part of autonomic nervous system that also originate from the spinal cord which which slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles. By doing this,it prevent the body from overworking itself and restore the body to a calm and composed state.
What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.What’s the role of oxygen in cellular respiration? A. It accepts electrons and keeps the electron transport chain running. B. It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide. C. It combines with hydrogen ions in sugar molecules to release energy and form water. D. It supplies electrons to the electron transport chain to keep it running.
Answer: The answer is C. It combines with hydrogen ions in sugar molecules to release energy and form water
Explanation:
Answer:
It accepts electrons and keeps the electron transport chain running.
Explanation:
Edmentum/Plato
What does the theory of plate tectonics state about the earth?
A. The inner core is divided into plates that glide under the mantle.
B. The inner core is made up of a mantle that is covered by plates.
C. The outer shell is divided into plates that glide over the mantle.
D. The outer shell is made up of a mantle that sits on top of plates.
Answer:
A & B are wrong so it's either C or D and I chose C
Explanation:
Because the theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle.
In contrast to most animals, which resource do plants typically compete for? sunlight water space food *will mark brainliest!*
Answer:
Sunlight
Explanation:
Plants typically compete for sunlight since it helps them split Water molecules or H2O into hydrogen molecule and oxygen molecule. The splitting of water molecules helps them to prepare food by undergoing the photosynthesis process.
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Cereals and legumes are complementary in the diet because Group of answer choices Cereals counteract the antinutritional factors in legumes A diet combining legumes and cereals will have a good balance of essential amino acids Cereals are high in lysine Legumes are high in cysteine and methionine
Answer:
A diet combining legumes and cereals will have a good balance of essential amino acids
Explanation:
Cereals are grains that are rich in vitamins, carbohydrates, protein and other essential nutrients, they include wheat, rice, sorghum etc. Legumes include a wide range of seeds, fruits, nuts, vegetables that are rich in proteins, carbohydrates and other nutrients, examples include peas, beans, lentils etc.
Cereals and legumes are referred to as staple foods, they are usually used to complement each other because combining them will result in a good balance of essential amino acids. In cereals, lysine is a limiting amino acid but is usually in high amounts in legumes. However, in legumes cysteine, trypthophan and methionine are the limiting amino acids but are found in cereals. Therefore, this makes legumes and cereals complementary in the diet as it significantly increases the protein quality of the diet.
What is produced at divergent plate boundaries?
a. Mountains
b. Oceans
c. New seafloor
d. Earthquakes
Answer:
new seafloor
Explanation:
Around the Grand Canyon the predators of deer were largely exterminated by people. The deer population grew rapidly as a result of the lack of predators until the deer exhausted their food supply. This led to a massive die-off (known as a population crash) and hundreds of deer died of starvation. The point at which the food supply no longer supported the large deer population can best be considered a
Answer:
extinct or endangered specimen
Explanation:
Find the heat released in cooling 10g of water at 100C down to 25C
]To calculate the amount of heat entering or leaving a system, the equation
Q
=
m
c
Δ
T
is used.
Explanation:
m = mass (in grams)
c = specific heat capacity (J/g°C)
ΔT = change in temperature (°C)
Here, we will use the specific heat capacity for liquid water which is 4.19 J/g°C.
The mass given is 25.0 grams.
As for the change in temperature, I will assume that it start off at room temperature, 25°C.
25
°
C
−
0
°
C
=
25
°
C
Q
=
m
c
Δ
T
Q
=
25
g
r
a
m
s
⋅
4.19
J
g
°
C
⋅
25
°
C
Q
=
2618.75
J
Take into account significant figures and the answer should be
2.6
⋅
10
3
J
Answer link
identify the sphere wher life first emerged on earth hydrosphere, lithosphere, atmossphere
Answer:
hydroshere
Explanation:
hydro=water
Answer:
you're answer would be hydrosphere
Explanation:
Life on Earth, emerged in the hydrosphere, at least from the findings and data so far. The reason for that was that the atmosphere and the lithosphere were still in a faze were they were not very hospitable for any living organisms to develop. The hydrosphere, or the water bodies, on the other side, were enabling conditions for life, not perfect or as we have today, but still reasonably good, so the life started developing into the water environment, and after the atmosphere and lithosphere changed over time, it spread on them as well.
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______ 1. What law protects plant and animal species in danger of extinction? the U.S. Fish and Wildlife Service c. the species recovery plan the Endangered Species Act d. the captive breeding plan
the answer is c
hope that this helps
Answer:
the U.S. Fish and Wildlife Service
Explanation:
it assists with efforts to recover endangered species, conserve migratory birds, preserve wildlife habitat, safeguard fisheries, combat invasive species and promote international wildlife conservation.
How does studying the DNA of different types of organisms provide evidence that all life on Earth is related?
A blood lactic acid sample was collected in a gray-top tube that was drawn after sequentially filling red-top, green-top, and purple-top tubes. The lactate level was 30 mg/dL. A second lactic acid sample was ordered 1 hour later and drawn in a gray-top tube without filling any other tubes. The result was 20 mg/dL. What is the most likely explanation of this result
Answer:
Homeostasis has been established for a very long time. This must have affected the result of the first reading, which has become high.
Explanation:
Homeostasis refers to the state of equilibrium in the chemical and physical conditions of a system. The time it takes to establish, as well as the time it remains active within a system, provides different results, which are totally related to the homostatic forms presented.
The time between homeostasis in the blood lactic acid samples shown in the question above was what allowed the difference between the two reading results. The first result was high, because it was the result of an extended period of homeostasis.
A typhoon devastates a population on "island A" and only a few individuals survive. Several generations later, the replenished population suffers from several inherited disorders that are very rare in other groups. A genetic event that explains this is
Which of the following produces the greatest amount of carbon dioxide?
Who Is Producing Carbon Dioxide?
Other 14%
Electronics 6%
Refrigeration 8%
Transportation
Heat and Air
Conditioning
46%
Factories
Water Heating 13%
Businesses
Homes
Lighting 13%
A. Heating and cooling
B. Lighting
C. Refrigeration
D. Electronics
Answer:
no 1. A is the answer
Explanation:
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The following produces the greatest amount of carbon dioxide is Heating and cooling.
What are the main characteristics of carbon dioxide?Carbon dioxide is a chemical compound made up of two oxygen atoms and one carbon atom. The chemical representation is CO2. Carbon dioxide was discovered by Scotsman Joseph Black in 1754.
Main sources and uses of carbon dioxide is emitted during the burning of fossil fuels (coal, power plant gas, oil, vehicles); Deforestation and fires; Washing of cellulose pulp and paper.
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A forensic scientist is trying to find out the number of adenine bases in the DNA sample that he obtained from a crime scene. What can he assume about the number of adenine? The number of adenine bases will be equal to the number of guanine bases. The number of adenine bases will be equal to the total of all the other bases. The number of adenine bases will be equal to the number of thymine bases. The number of adenine bases will be half of the number of cytosine bases.
Answer:
The correct option is;
The number of adenine bases will be equal to the number of thymine bases
Explanation:
The four chemical bases that make up the DNA code are adenine (A), guanine (G), thymine (T), and cytosine (C) which are arranged based on a specif organism such that they represent the information regarding the building of the organism
The chemical bases of the DNA are found in pairs consisting of two chemical bases which are then known as base pairs. The possible base pairs are;
Adenine (A) pairing with thymine (T)
Cytosine (C) pairing with Guanine (G)
Therefore, the forensic scientist should expect to find that the number of adenine bases will be equal to the number of thymine bases.
Since the scientist was trying to find out the number of adenine bases in the DNA sample, assumption that the number of adenine would be equal to the number thymine would help.
According to the base-pairing rule of Chargaff, adenine always pairs with thymine while guanine always pairs with cytosine.
Going by this rule, we can say that the number of adenine must be equal to the number of thymine while the number of guanine must be equal to the number of cytosine in any DNA.
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which following pairs of body functions are normally involuntary actions but can be controlled voluntary for a short periods of time
Explanation:
Medulla oblongata controls consciousness and arousal (the reticular formation) and its three vital reflex centers control the blood vessels diameter, heartbeat and breathing rate (the involuntary actions). This makes option D correct. The lower part of brain stem forms the hind brain which comprises of medulla oblongata, pons and cerebellum. This makes option C incorrect as medulla is not part of forebrain. Cerebellum is the convoluted subdivision of brain stem and is associated with coordination of muscular movement, muscle tone and balance i.e. the voluntary actions. Option B is incorrect. Spinal cord, along with brain, forms central nervous system which serves to integrate the sensory inputs from internal and external environment as received by sensory neurons and process and finally transmit the nerve impulses to effectors (muscles and glands). This makes option A incorrect.
Explain why eating a meal with too much salt leads to production of small volume of concentrated urine.
Answer:
the urine is burned up by salt which will evaporate
Answer:
Eating a meal with too much salt leads to a decrease in the water potential of blood. This fall in water potential is detected by the osmoreceptors in the hypothalamus (in brain). The hypothalamus stimulates the pituitary gland to release antidiuretic hormone (ADH). The walls of the collecting duct in the kidney become more permeable to water, hence, a greater proportion of water is reabsorbed from the urine back into the blood by osmosis.
As a result, a small volume of concentrated urine is formed.
Which best contrasts self-renewal and differentiation?
Answer:
Self-renewal is a kind of cell division specific to stem cells, so cell division is a general term. When self-renewal occurs, a stem cell divides into two cells, one of which is still a stem cell (which can display differentiation potential into one or more types of differentiated cells (stemness/potency) and divides almost indefinitely = self-renewal), and another is a differentiated cell, which may or may not divide, but its divisions (if any) are not self-renewal because (1) no stem cell (i.e. a cell with developmental potential) is produced, and (2) these divisions are finite (so they are not self-renewal, because self-renewal is indefinite yet controlled proliferation). In sum, self-renewal is a stem cell's 'unlimited' division while retaining its developmental potential.
Of note, stem cell immortality is thanks to the expression of the enzyme telomerase.
Hope this helps,
Explanation:
I found it on internet
You are at a conference for a fellow scientist who is giving a lecture in a field you
are both researching: human evolution and ancestry. In his lecture, he compares
many of the behaviors of humans and Chimpanzees, and compares the
behaviors of humans and Orangutans. He concludes that we are more closely
related to Orangutans than Chimpanzees. Is he correct?
Answer:
incorrect
Explanation:
This is an incorrect statement as orangutans are the most distant relatives of humans among the Great apes and chimpanzees are the closest.
What is the evolutionary relationship?
The link drawn between different species of organisms considering their evolutionary history is the evolutionary relationship between these species. Genome sequencing is a method to study evolutionary relationship between the organisms of different species.
The humans, orangutans, gorillas and chimpanzees are grouped together in a family called as as the Hominidae. The Genome sequencing of humans, chimpanzees and orangutans revealed that humans and orangutans share about 97% of their DNA. This is much less than humans and chimpanzees which share 99% of their DNA.
Therefore, the statement that humans are more closely related to orangutans than chimpanzees is an incorrect statement.
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