Which of the following is an example of a nonspecific immune response?
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Which of the following is an example of nonpoint source pollution? A) A leaking gas line B) industrial discharge C)storm water runoff D)an oil spill
Answer:
c.
Explanation:
they all are correct but c is he best answer
Answer:
just as the name implies. Storm does not have any specific place it coming from
The minerals hematite and magnetite are sources of
a iron
b. lead.
C. Zinc
d. copper
how many types of reproduction
Answer:
Sèxual and aséxual reproduction.
Explanation:
Depending upon the formation or non-formation of gamets, reproduction is of two types sèxual and aséxual reproduction.
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Which fields would most likely make use of spectroscopy techniques? select 4 options. food production medical research scientific research space research weather forecasting
Spectroscopy refers to the study of color from visible lights to all bands of electromagnetic spectrum. It can be used in fields including medical research and scientific research.
What is spectroscopy?Spectroscopy is done for studying structure of atoms and molecules. It is done by emitting large numbers of wavelength, to make the structure visible.
Scientist use this technique to calculate relative velocities of supernova and galaxies. in medical field it is proven effective to fight cancer.
Thus, options b and c are correct.
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A mother has hemophilia, and the father is unaffected. What is the probability that their son will have hemophilia? Their daughter?
Answer:
A 25% (one in four) chance of having a son with hemophilia. A 25% chance of having a son with normal blood clotting. A 25% chance of having a daughter who is a carrier. A 25% chance of having a daughter who has hemophilia.
Explanation:
In the extremely rare event that both the mother and the father have the affected X chromosomes then there is a 50% chance that their sons will be born with hemophilia. There will be a 50% chance their daughters will be carriers and a 50% chance they will also have the condition.
Which of the following describes Aristotle's method of classifying organisms?
a. Aristotle categorized organisms as either plant or animal.
b. Aristotle created a hierarchy of life based on complexity.
c. Aristotle cataloged only animals and divided them into carnivores and herbivores.
d. Aristotle classified organisms based on geographic location.
Answer:
Aristotle created a hierarchy of life based on complexity.
this is the right answer unlike the other one
How does the mutation rate affect the speed at which a population adapts to its environment?
Answer:
Under these conditions an increase in the mutation rate evolves, which allows faster adaptation to the spatial variation in local temperature, causing a faster range expansion across the spatial gradient.
Answer:
The mutation rate is the speed (or mutations per unit time) at which a sequence of DNA changes, either through natural means or artificially induced means. Natural selection is the way that a population of organisms evolve over time to adapt to their environment.
Which RNA molecule copies the DNA sequence into a polypeptide?
Answer:
RNA polymerase is the enzyme which transcribes the DNA into mRNA
Then the tRNA starts translating the mRNA into a polypeptide made of amino acids
The term used for all floating and drifting organisms in the sea is:
Answer:
The answer is Plankton
Explanation:
A collection of tiny organisms living beneath the surface of lakes, rivers, ponds, and oceans across the planet are called plankton.The term Plankton is used for floating and drifting organisms in the sea.
What are plankton?Planktons are organisms found in water that cannot float against the water current.
The word plankton is derived from Greek which means to drift and float.
Thus, the term used for all floating and drifting organisms in the sea is plankton.
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A predator inches across the hot Texas sand toward a horned lizard. In response, the lizard first puffs itself up to scare off the predator. When that doesn't work, the lizard squirts something out of its eyes. What is it?
What happens to the lac operon when glucose and lactose are present
Answer:
If both glucose and lactose are both present, lactose binds to the repressor and prevents it from binding to the operator region.
Explanation:
In what two ways did an understanding of geology influence darwin
Answer: Geology played a major role in Darwin's life and scientific work: The formation of volcanoes, the slow subsidence of coral reefs, the rising of the Andes by earthquakes, the fossil relatives to modern species in South America,
Explanation:
What are the 3 main NATURAL processes of the carbon cycle?
Answer:
The Carbon Cycle
Carbon moves from the atmosphere to plants.
Carbon moves from plants to animals.
Carbon moves from plants and animals to soils.
Carbon moves from living things to the atmosphere.
Carbon moves from fossil fuels to the atmosphere when fuels are burned.
Carbon moves from the atmosphere to the oceans.
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One autumn in the late 1990s, a number of people became ill after working at a single building at an industrial plant in a neighborhood of Baltimore, Maryland. Their symptoms ranged from simple coughing and other respiratory symptoms to pneumonia. At least one of the 70 people reporting symptoms died. He was 78 years old. The company voluntarily closed the building upon the recommendation of the Maryland Department of Health and Mental Hygiene. After all of the water systems at the plant were evaluated and disinfected, it re-opened and no new cases were reported.
1. Health departments often have less information than this when they start hypothesizing about the causative organism and its source. What is your first guess?
2. Describe the transmission characteristics of the suspected bacteria.
3. Is there a risk for a continuing community outbreak from these initial infections? Why or why not?
This disease is likely caused by a bacterium that was transported through the water. If water was infected only locally, likely, there are no outbreaks.
What can be guessed about the causative organism?The causative organism seems to be a type of bacteria in water. This is because disinfecting the water systems seemed to be the problem, which shows the source was there.
How are these bacteria transmitted?The suspected bacteria is transmitted through water. This seems to be the main transmission route because it seems workers experienced symptoms after drinking water.
Is there a risk for more outbreaks?If only the water of the plant was contaminated with this bacteria, it is likely there are no outbreaks. However, if contamination was general, outbreaks might appear.
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Account for the loss of dry weight of cotyledons in a germinating bean seed
Tue loss of dry weight in the cotyledon of a germinating bean seed is because its nutrient stores are being used by the seed for germination
What is a cotyledon?A cotyledon is a seed leaf within the embryo of a seed.
Cotyledons serve several functions in the seed including:
supply the nutrition a plant embryo needs to germinateserve as a source of nutritional reservesassist the embryo in metabolizing nutrition stored elsewhere in the seed.Therefore, the cotyledon is a germinating bean seed will lose dry weight because its nutrient stores are being used by the seed for germination.
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Which is the best explanation for how earthquakes cause tsunamis?.
Answer:
Tsunamis are caused by violent seafloor movement associated with earthquakes, landslides, lava entering the sea, seamount collapse, or meteorite impact. The most common cause is earthquakes. See the percentages on the right for the geological events that cause tsunamis. Note that 72% of tsunamis are generated by earthquakes. A disturbance that displaces a large water mass from its equilibrium position can cause a tsunami.
Explanation: Hope this helps :]
What type of intercellular junction bands together adjacent cells, making the epidermis stronger?.
Answer:
Tight or occluding junctions This type of junction is also called zonula occludens and is the most apical structure in the epithelial cell. Zonula occludens describes, that there is a formed band of tight junctions which encircles every cell.
Explanation:
The nine elements that are most abundant in plants are called ,while the seven elements present in lower quantities are called:______.
How does the cell membrane aid the cell in maintaining homeostasis?
1. The cell membrane uses energy to remove waste products from the cell through sac-like packages.
2The cell membrane controls all cellular activities in response to changes in the external environment.
3The cell membrane assists with maintaining the correct temperature by absorbing energy.
4The cell membrane extracts energy from food when the cell is low on energy.
These are not in order, Can u please put them In order
Answer:
3 / 4 / 5 / 2/ 1
Explanation:
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What would happen if a disease has spread among lily pads in a pond ecosystem ?
Answer:
small fish that rely on lily pads for protection will decrease in population.
Ap biology evolution why do some organisms evolve away organs
Which word helps clarify the meaning of the word invertebrates?
Answer:
Animal
Explanation:
Educated guess and got it right
Invertebrates are the classification of the Animalia that have species with no backbones. Animals are the word that clarifies the meaning of invertebrates. Thus, option D is correct.
What are Invertebrates?
Invertebrates are animals that lack a backbone or a vertebral column, unlike vertebrates. They are best described by animals as they are precisely their characteristic and is not seen in plants or other species. They are cold-blooded that include echinoderms, mollusks, arthropods, etc.
Therefore, animals clarify the meaning of invertebrates.
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The complete question is attached to the image below.
State one similarity and one difference between the responses of tropism and mastic movement.
Explanation:
The similarity between tropic and nastic movement is - both are the result of external stimulus and the difference between tropic and nastic movement is the direction of the response is not dependent on the direction of the stimulus in the case of nastic movement but in the case of tropic movement, the response is dependent on the moment.
What are the thin fibers of the human nervous system called?.
Answer:
Axons should be your answer.
Explanation:
The individual thin fibers in which neurons send signals to other cells are axons. When individual fibers are bundled together, it is called nerve fiber.
An organism with the GG genotype would be
Answer:
Hom ozygous
Explanation:
organisms that have the same genotypes are Hom ozygous, while organism that have different genotypes (Gg) are Heterozygous
The cold adapted coniferous trees that dominate here have the following key adaptations: (select all that apply) question 7 options: conical shape to helps the snow to distribute more evenly across the tree and also to fall to the ground and prevent branches from breaking pear shape to helps the snow to distribute more evenly across the tree and also to fall to the ground and prevent branches from breaking thin needles have less surface area and waxy cuticles to avoid water loss in the dry winds and in winter when most available water is frozen thick needles have less surface area and waxy cuticles to avoid water loss in the dry winds and in winter when most available water is frozen very shallow roots compared to other trees like we have here in ohio. very deep roots compared to other trees like we have here in ohio.
Conical shape helps the snow to distribute more evenly across the tree and also to fall the ground and prevent branches from breaking pear shape to helps the snow to distribute more evenly across the tree
and ,also to fall to the ground and prevent branches from breaking thin needles have less surface area.
How do conifers adapt to the cold?They have several adaptations that help them grow in colder, drier conditions. Their needles are heavily cutinized. Their small surface area helps reduce evaporative water loss.
Thus, thee are the correct statement.
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Place the organisms in order from simplest to most complex.
1.Animals
2.Eubacteria
3.Protists
4.Fungi
5.Plants
6.Archaebacteria
Answer:
The six kingdoms are Eubacteria, Archae, Protista, Fungi, Plantae, and Animalia. Until the 20th century, most biologists considered all living things to be classifiable as either a plant or an animal.
Explanation:
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