Answer:
this is true
Explanation:
How has the introduction of the Asian Tiger Mosquito impacted human society (“Social Effects”).
Tiger mosquitoes are associated with the transmission of many human diseases, including viruses such as dengue fever West Nile fever, and Japanese encephalitis.
In Asia, this species is the vector of dengue fever and Japanese encephalitis. Laboratory studies have shown that tiger mosquitoes are efficient vectors for many viral pathogens including yellow fever West Nile virus, St. Louis encephalitis, and La Crosse encephalitis. Asian tiger mosquitoes were introduced to the United States. Tire casings are imported for remanufacturing.
Due to the movement of tire casings, this species has spread to more than 20 states since 1985. Asian tiger mosquitoes were introduced to the United States. Tire casing imported for remanufacturing. This species carrying tire casings has spread to more than 20 states since 1985. Tiger mosquitoes are important vectors in Asia. Tiger mosquitoes can transmit viruses such as dengue chikungunya and zika to humans.
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Which career receives certification from the American Society for Clinical Pathology?
Answer:
the official title from ASCP is Medical Laboratory Scientist (MLS).
Explanation:
Hope this helps what your looking for....
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which mechanism(s) are meant to prevent polyspermy? (indicate all correct choices, partial credit is applied and negative scoring is given for incorrect answers) cortical reaction in response to sperm penetration acrosomal reaction depolarization of the oocytes plasma membrane digestion of granulosa cells
Polyspermy, the fertilization of an egg by multiple sperm, can be a serious issue in sexual reproduction. To prevent this, several mechanisms are employed by the female reproductive system.
One mechanism is the cortical reaction, which occurs when the sperm penetrates the egg and triggers the release of calcium ions from the egg's endoplasmic reticulum. The calcium ions cause cortical granules to fuse with the plasma membrane and release their contents into the space between the egg and zona pellucida, which changes the structure of the zona pellucida and prevents other sperm from penetrating.
Other mechanisms include the acrosomal reaction, depolarization of the oocyte's plasma membrane, and digestion of granulosa cells.
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Complete Question:
Which mechanism(s) are meant to prevent polyspermy? Select all correct choices. Partial credit is applied and negative scoring is given for incorrect answers.
A. Cortical reaction in response to sperm penetration
B. Acrosomal reaction
C. Depolarization of the oocyte's plasma membrane
D. Digestion of granulosa cells.
3. What is a type of asexual reproduction that com-
monly occurs in many species of unicellular pro-
tists? (1) external fertilization (2) tissue regenera-
tion (3) binary fission (4) vegetative propagation
Answer:
In fission (or binary fission), a parent separates into two or more individuals of about equal size. This type of reproduction is common among single-celled organisms including bacteria, archaea, and unicellular eukaryotes, such as protists and some fungi. The single cell divides into two daughter cells.Aug 17, 2016
Explanation:
Spinocerebellar tract axons carry sensory information into the cerebellum by the ________________.
Spinocerebellar tract axons carry sensory information into the cerebellum through the inferior cerebellar peduncle
What is spinocerebellar tract?The dorsal spinocerebellar tract (DSCT), also known as the dorsal spinocerebellar tract, is the somatosensory part of the sensory nervous system that relays unconscious proprioceptive information from the lower extremities and trunk to the cerebellum. The spinocerebellar tract carries unconscious proprioceptive information from muscle spindles, Golgi tendon organs, and joint capsules to the cerebellum. The cell bodies of primary sensory neurons, which carry this information from such receptors to the spinal cord, are located in the dorsal root ganglia.
Damage to the thalamo-spinal tract within the spinal cord, as seen in Brown Square Syndrome, results in contralateral pain and hypothermia, and ipsilateral vibrations and proprioception transmitted through the dorsal column are affected.
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How are soluble food molecules absorbed into the epithelial cells of the small intestine
Soluble food molecules are absorbed into the epithelial cells of the small intestine through the process of diffusion and active transport.
what is a Primary energy source
Answer:
Primary energy consists of unconverted or original fuel
Explanation:
for example, primary energy sources include petroleum, natural gas, coal, biomass, flowing water, wind, and solar radiation
Those are the fuels that can be mined, reaped, extracted, harvested, or harnessed directly
How massive are photons?
a.
They have no mass
c.
About the same as a quark
b.
About the same as a proton
d.
About the same as an electron
The correct answer is option a: They have no mass. Photons are considered massless particles, which means they have zero rest mass.
What are photons?Photons are elementary particles of light and electromagnetic radiation. They are the fundamental unit of light and are considered as massless particles that travel at the speed of light in a vacuum. Photons have both wave-like and particle-like properties and are quantized, meaning that they can exist only in discrete packets of energy called quanta. The energy of a photon is directly proportional to its frequency, according to the famous equation E=hf, where E is the energy of the photon, h is Planck's constant, and f is the frequency of the photon. Photons are important in many areas of physics, including quantum mechanics, electromagnetism, and thermodynamics.
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Describe what the body needs to survive. Include the 3 major categories, in detail, their primary function(s), and their metabolism. Then explain 1 issues that would result if the body's metabolic requirements are not met. What role do metabolites have with fluid regulation?
The body needs various nutrients and substances to survive. These nutrients can be classified into three categories: carbohydrates, proteins, and fats.
Below is a detailed description of the three major categories and their metabolism.
Carbohydrates: Carbohydrates are one of the essential nutrients needed by the body to survive. Carbohydrates are stored in the body as glycogen and are primarily used as a source of energy. Carbohydrates are metabolized into glucose, which is then transported throughout the body by the blood. Carbohydrates are metabolized through glycolysis, a process that occurs in the cytoplasm of the cells. If the body's metabolic requirements for carbohydrates are not met, it can result in hypoglycemia.
Proteins: Proteins are another essential nutrient needed by the body to survive. Proteins are primarily used for building and repairing body tissues and organs. Proteins are metabolized into amino acids, which are then transported throughout the body by the blood. Proteins are metabolized through a process called protein synthesis, which occurs in the ribosomes of the cells. If the body's metabolic requirements for proteins are not met, it can result in muscle atrophy and other health issues.
Fats: Fats are a necessary nutrient needed by the body to survive. Fats are stored in the body as adipose tissue and are primarily used for energy storage. Fats are metabolized into fatty acids, which are then transported throughout the body by the blood. Fats are metabolized through a process called beta-oxidation, which occurs in the mitochondria of the cells.
If the body's metabolic requirements for fats are not met, it can result in a deficiency of essential fatty acids.
Metabolites have an important role in fluid regulation. Metabolites are the byproducts of metabolic processes, and they play a crucial role in regulating fluid balance in the body. Metabolites such as urea and ammonia are excreted from the body through urine, which helps to regulate fluid levels in the body. Additionally, metabolites such as lactic acid and carbon dioxide help to regulate the pH levels of the body's fluids, which is important for maintaining optimal health.
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2. How can dominance and expression of alleles explain the differences between these fraternal twins?
Answer:
Fraternal twins are from two seperate eggs.
Explanation:
The first part of the question is missing but any difference between fraternal twins can be explained by the fact that two seperate eggs are fertilized during the pregnancy so they have different genomes which leads to having different dominance of different genes and this leads to different expressions of this genes.
I hope this answer helps.
The Sun is the primary source of energy that drives all the biogeochemical cycles on Earth. Which statement best describes how the Sun’s energy powers the water cycle?
Answer:
What statements???
Explanation:
If you could tell me in the comments, I could probably help you.
Describe how science can have an affect on society
Answer:
Greeting's
Explanation:
The impact of science on society started to become extremely visible after the industrial Revolution in the 8th century. The most significant impact of science on society is in specific sectors, such as information, communication, physical sciences and energy.
Glad To Help, From: JaxyBear :)
The color of an object that humans see is actually the ______ of light reflected off the object
Please answer !!!
An object's color is really determined by the light wavelengths that are reflected while all other wavelengths are absorbed.
What is light reflection?In this context, color refers to the various light wavelengths in the visible light spectrum that are seen by human eyes.
An item is viewed as black if it absorbs all the hues of white light, as demonstrated in the following illustration. A white item will evenly reflect all shades of white light.
The light waves that an item reflects determine its "color." This is governed by the configuration of electrons in the atoms of that substance, which, in accordance with complex quantum principles, will absorb and reemit photons of a certain energy.
Therefore, an object that humans see is actually the wavelengths of light reflected off the object.
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Decreasing the rate of gene flow between two populations is likely to make the populations more different from one another. true false
The given statement "Decreasing the rate of gene flow between two populations is likely to make the populations more different from one another." is False.
What is gene flow?Gene flow refers to the processes by which genes are transferred from one group to another. Gene flow, which is a term used more frequently in anthropology, refers to the allelic change brought on by human movement. Gene flow would reduce the isolation that could lead to speciation by increasing population similarity and reproductive kinship. Gene flow significantly slows down speciation by recombining the gene pools of the groups and therefore repairing the growing variations in genetic variation that would have otherwise resulted in full speciation and the creation of daughter species.Learn more about the gene flow with the help of the given link:
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What unusual challenges do cancer cells encounter that are tissue-or organ-based challenges rather than cell-based challenges?
Cancer cells encounter tissue- or organ-based challenges including physical barriers, specific microenvironments, tissue-specific signals, immune surveillance, and vascular/lymphatic networks.
Cancer cells face a variety of challenges that are tissue- or organ-based rather than cell-based. Some of the unusual challenges specific to the tissue or organ environment include:
Physical barriers: Tissues and organs have unique anatomical structures and physical barriers that can impede the growth and spread of cancer cells.
These barriers can include dense connective tissues, basement membranes, and extracellular matrices that cancer cells need to penetrate to invade surrounding tissues.
Specific microenvironments: Different tissues and organs have distinct microenvironments characterized by variations in oxygen levels, pH, nutrient availability, and cellular composition.
Cancer cells must adapt to these specific microenvironments to survive and thrive, as each tissue or organ provides different conditions and resources.
Tissue-specific signals: Tissues and organs release specific signals and growth factors that regulate normal cell behavior and tissue homeostasis.
Cancer cells must navigate and respond to these tissue-specific signals to support their survival, proliferation, and invasion. Failure to interact appropriately with the signals of the tissue can hinder cancer cell growth and progression.
Immune surveillance: Tissues and organs are under constant immune surveillance, with specialized immune cells patrolling and detecting abnormal cells, including cancer cells.
The immune system can recognize and eliminate cancer cells, posing a challenge for their survival and growth within the tissue or organ.
Vascular and lymphatic networks: Tissues and organs have unique vascular and lymphatic networks that cancer cells must navigate to establish blood supply and lymphatic metastasis.
These networks present both physical and biological barriers that can limit the ability of cancer cells to access nutrients, oxygen, and spread to distant sites.
These tissue- or organ-based challenges add an additional layer of complexity for cancer cells, making their growth and spread dependent on interactions with the specific microenvironment of the tissue or organ they reside in.
Understanding these challenges can aid in the development of targeted therapies and interventions to combat cancer.
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I WILL GIVE BRAINLIEST!!!
The pedigree below tracks Duchenne Muscular Dystrophy (DMD) through several generations. DMD is an X-linked recessive trait.
If individuals I-1 and I-2 had another son, what is the chance that he would have DMD?
Choose 1 answer:
(choice A)
A
0%
(choice B)
B
25%
(choice C)
C
50%
(choice D)
D
100%
Answer:
25%
Explanation:
When looking at a pedigree remember that:
squares are malescircles are femalesthe solid colored figure represents an individual affected by a diseasethe empty figure represents a healthy individualLet us assign the symbol X⁺ to represent the dominant allele linked to the X-chromosome and expressing healthiness, and X⁻ to represent the recessive allele expressing the dissease.
According to this pedigree
I1 is a man affected by the disease, YX⁻I2 is a healthy woman X⁺X⁻we can see that among the progeny (generation II) there are two individuals affected (a boy and a girl) and one healthy girl. This means that the mother I2 is heterozygous for the trait.So, having their genotypes we can know what are the probabilities of getting a son with DMD
Parentals) YX⁻ x X⁺X⁻
Gametes) Y X⁻ X⁺ X⁻
Punnett square)
X⁺ X⁻
X⁻ X⁺X⁻ X⁻X⁻
Y X⁺Y X⁻Y
F1)
The probabilities of getting a healthy daughter X⁺X⁻ are 25%The probabilities of getting a healthy son X⁺Y are 25%The probabilities of getting a daughter with DMD X⁻X⁻ are 25%The probabilities of getting a son with DMD X⁻Y are 25%Answer: The answer is 100%
Explanation:Trust
A studenr wants to germinate seeds over the winter
Which two conditions does she need to provide for the seeds?
A.) Soil
B.) Moisture
C.) Feritilizer
D.) Warmth
Answer:
B and D
Explanation:
During the winter, soil does not go away, so A cannot be part of the answer. The only problems of doing this in the winter is no mostuire and its cold, so that will be needed.
Proof:
Took the Test, Correct
Look above for more verification
The two conditions that a student needs to provide for seed germination are moisture and warmth. Thus, the correct options are B and D.
What is Seed germination?Seed germination may be defined as the complete process of seed development into new plants. It emerges from a seed, the seedling, and finally into the adult plant.
In winter, there is extreme cold outside, so the excess cold reduces the moisture of the soil. Hence, it is needed to provide moisture as well as warmth for the seed to grow and develop properly under normal conditions.
Therefore, the correct options for this question are B and D.
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Ostriches don’t use their wings for flight, but they do use them for other functions, such as mating rituals and balance. many ancestors of ostriches did fly. what can you conclude about ostrich behavior from this information?
To communicate between cells, humans and animals use:
1
nerve signals and respiratory gases
2
respiratory gases and hormones
3
bones and muscles
4
nerve signals and hormones
Answer:
4. nerve signals and hormones
Answer:
4
nerve signals and hormones
Which of the parent birds shown above (a or b) appears to have greater fitness? Explain your answer.
Answer:
a
Explanation:
cool
What is an important difference between mitosis and meiosis that explains
why sexually-reproducing organisms use meiosis to generate cells for
reproduction?
All that apply
1. The process of meiosis includes crossing over and independent assortment, which increases genetic diversity.
2. Meiosis generats haploid (n) Cells
3. Meiosis generates geneticslly unique cells.
4. Meiosis generates dipload (2n) cells
5. Meiosis generates geneticslly identical cells
The most important differences between mitosis and meiosis includes crossing over and independent assortment, genetically unique cells (Options 1 and 3)
What is meiosis?Meiosis is a special type of cell division characterized to increase genetic variation due to the emergence of recombination and independent separation of homologous chromosomes during this process.
In conclusion, the most important differences between mitosis and meiosis that explains why sexually-reproducing organisms use meiosis to generate cells for reproduction include the process of meiosis includes crossing over and independent assortment, which increases genetic diversity and meiosis generates genetically unique cells (Options 1 and 3)
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why is turgor pressure important to plants.
Biology: Anatomy
8. Describe the dissection procedure for a radial arm. (12 marks- mark for each point)
The dissection procedure for a radial arm involves a systematic approach to safely and accurately dissecting the radial arm.
The dissection procedure for a radial arm involves careful steps to expose and examine the structures within the arm. Here is a description of the procedure:
1. Positioning: Place the arm in a supine position on a dissecting table, with the palm facing upward.
2. Identification of landmarks: Locate and mark key landmarks such as the styloid process of the radius, the radial artery, and the extensor carpi radialis tendon.
3. Incision: Make a longitudinal incision along the midline of the forearm, starting from the styloid process of the radius and extending towards the elbow.
4. Reflection of skin and subcutaneous tissue: Gently separate the skin and subcutaneous tissue from the underlying structures using a scalpel and forceps. Take care to avoid damaging blood vessels and nerves.
5. Dissection of muscles: Identify and dissect the muscles of the forearm, such as the flexor and extensor muscles. Carefully separate the muscles and their tendons to expose the underlying structures.
6. Identification of blood vessels and nerves: Locate and identify the radial artery, which runs along the radial side of the forearm. Identify and trace the radial nerve, which accompanies the artery.
7. Examination of bones: Carefully expose the radius and ulna, and examine their anatomical features, such as the articular surfaces, styloid processes, and muscle attachment sites.
8. Documentation: Take notes, make sketches, or capture images to document the structures observed during the dissection.
Throughout the dissection, it is essential to handle the tissues with care, maintain a sterile environment, and adhere to safety protocols. This procedure provides an opportunity to gain a deeper understanding of the anatomy and relationships between the various structures within the radial arm.
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QUICK HELP!! Describe the classification of plants. Be sure to include the two major groups and explain how they are further divided.
Answer:
Plants are grouped into two main categories, nonvascular and vascular plants. Vascular plants are further divided into seedless and seed plants. Seed plants are further divided into nonflowering and flowering plants.
Hope this Helps!
Answer:
Plants are grouped into two main categories, nonvascular and vascular plants. Vascular plants are further divided into seedless and seed plants. Seed plants are further divided into nonflowering and flowering plants.
Explanation:
Its correct on edg 2021, Have a blessed day
what worries scientists about mapping? (oceans)
Answer:
I think the safety of the marine communities and the fact that there's too much water in the way to do mapping
Explanation:
how humidity affects the rate of transpiration?
Answer:
Relative humidity: As the relative humidity of the air surrounding the plant rises the transpiration rate falls. It is easier for water to evaporate into dryer air than into more saturated air. Wind and air movement: Increased movement of the air around a plant will result in a higher transpiration rate.
Explanation:
According to the mechanism of natural selection, explain how the change you described in part (a) will occur.
Natural selection favors traits that confer a reproductive advantage, leading to their increased frequency in a population over time.
Natural selection is the process by which advantageous traits are more likely to be passed on to future generations. Individuals with traits that increase their likelihood of survival and reproduction are more likely to produce offspring with those traits, leading to their increased frequency in the population over time.
Conversely, traits that decrease an individual's reproductive success will become less common. This process drives the evolution of populations over time, as advantageous traits become more prevalent and less advantageous traits become rarer. Overall, natural selection is a powerful mechanism for shaping the diversity of life on Earth.
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A RESEARCHER, WHILE ISOLATING AN ENZYME, FINDS AN INCREASE IN THE ACTIVITY OF THE ENZYME, AFTER A SPECIFIC PHASE THE SITUATION. HOW DO YOU THINK YOU CAN EXPLAIN THIS INCREASE OF TOTAL ACTIVITY?
The enzyme of this exercise could have increased its activity after their isolation, due to an increase in the substrate this enzyme acts on. For example, after we eat our food at dinner, the concentration of our bodies' insulin increase, due to a higher concentration of glucose from that aliments provenience from the digestion on our stomachs. This also can cause a positive feedback reaction in our bodies, which means that a little amount of enzyme, can produce more of this molecule, and they are those kinds of metabolic processes which usually are involved in maintaining our bodies' homeostasis.
We can see an example of this in the following picture, where the presence of a substrate, activates the enzyme.
Which of the following is considered a hypothesis (as opposed to an observation)?
Spiders have eight legs.
Birds can fly because they have hollow bones.
Fresh lava from a volcano is hot.
The Washington Monument is 555 feet tall.
none of the above.
B) Birds can fly because they have hollow bones is considered a hypothesis, as it explains a cause-and-effect relationship.
A hypothesis is a proposed explanation for a phenomenon or a testable prediction.
In the given options, "Birds can fly because they have hollow bones" is a hypothesis because it presents a possible reason (hollow bones) for the ability of birds to fly.
The other statements are observations, which are factual descriptions of things or events.
Observations typically describe a specific characteristic or fact, whereas hypotheses attempt to explain the underlying reasons or mechanisms behind those observations.
So, the correct answer is "Birds can fly because they have hollow bones."
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I need help with the blank.
Energy flows through an ecosystem in
from the sun or inorganic compounds to autotrophs (producers) and then to various heterotrophs (consumers)
In trophic webs occurs a transeference of energy. Energy flows through an ecosystem in one direction from the sun or inorganic compounds to autotrophs (producers) and then to various heterotrophs (consumers).
What is a trophic web?The trophic web is the interaction between different organisms involving transference of energy when some of them feed on the other ones. The ones placed at lower levels pass energy to the ones at the higher levels.
Organisms at each level feed on the preceding one and become food for the next one.
• The first link corresponds to a producer organism -autotroph-.
• The following links are the consumers -heterotrophs-: herbivores and carnivores.
• The last links are the decomposers that degrade organic matter from dead organisms.
Because it is a web, all organisms are in equilibrium until a change occurs. When a sudden change affects any of the involved links, there can be a cascade effect on the web.
Energy flows through an ecosystem in one direction from the sun or inorganic compounds to autotrophs (producers) and then to various heterotrophs (consumers).
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