Answer:
(2) Over time, these animals will become less likely to survive in a changing environment.
Explanation:
(1) These animals will begin to evolve rapidly.
(2) Over time, these animals will become less likely to survive in a changing environment.
(3) These animals are easily able to adapt to the environment.
(4) Over time, these animals will become more likely to be resistant to disease.
A small population of an organism with limited genetic variation will be less likely to survive in a changing environment over a period of time.
This is because the population will experience a bottleneck effects, a form of genetic drift that happens when a population is small.
Reduced genetic variation limits the number of genes that natural selection can act on as the environment keeps changing with time. Hence, the survival of the population is at risk a a result of changes to the environment.
The correct option is option (2).
You have a population in hardy-weinberg equilibrium for the m and n alleles. these alleles are codominant. the allele frequency of m is 0.4. what is the frequency of heterozygotes in the population
Which of the gastrointestinal cancers has the highest rate of incidence and is responsible for the highest number of deaths?
The correct answer is colorectal cancers.
After lung, breast and prostate cancer, colorectal cancer is the fourth most common cancer in the last year. Colorectal cancer is a disease of old age: It usually originates in the secretory cells of the gut. One of the main risk factors is unbalanced diets (low in vegetable fibre and high in fat ).
Your client, carrie, is attempting weight loss and you are explaining the six classes of essential nutrients. which substance is not a nutrient?
Waste that includes paper, food wastes, cans, bottles, yard waste, glass, wood, and similar items is called ____.
a. hazardous waste
b. municipal solid waste
c. toxic solid waste
d. industrial solid waste
e. e-waste
The correct answer is b. municipal solid waste.
Waste that includes paper, food wastes, cans, bottles, yard waste, glass, wood, and similar items is called municipal solid waste. MSW consists of non-hazardous materials generated by residential households and offices. It generally includes items like paper, yard waste, plastics, and food scraps.
Municipal solid waste (MSW) consists of materials from plastics to food scraps and is typically generated by residential households, offices, and other sources. MSW is distinct from industrial solid waste and hazardous waste, as it generally includes non-hazardous materials suitable for recycling and reuse efforts.
For example, the most common waste product in MSW is paper, which comprises about 23% of the total waste, followed by yard waste, plastics, metals, wood, glass, and food waste. This composition can vary based on region and season.
Complete Question:
Waste that includes paper, food wastes, cans, bottles, yard waste, glass, wood, and similar items is called ____.
a. hazardous waste
b. municipal solid waste
c. toxic solid waste
d. industrial solid waste
e. e-waste
If a woman who is homozygous for almond shaped eyes (AA) marries a man who is heterozygous for almond shaped eyes (Aa), what are the possible genotypes and phenotypes of their children
Answer:
Genotypes 2 AA and 2 Aa
All offsprings' eye will be Phenotypically almond-shaped
Explanation:
This is a typical monohybrid cross involving a single gene coding for eye shape in humans.
From the information given in the question, a woman whose eye is phenotypically almond-shaped (AA) marries a man whose eye is also phenotypically almond-shaped (Aa).
The woman is homozygous i.e. same allele, for the trait while the man is heterozygous i.e. different alleles, for the trait.
In a cross between the two individuals, each allele gets separated into gametes according to Mendel's law of segregation. (See attached image).
According to the cross as depicted in the image, four possible offsprings will be produced in which all will be expected to have an almond-shaped eye.
2 of the offsprings genotype will be homozygous (AA) while the other 2 will be heterozygous (Aa).
What is th advantage of this type of reproduction in paramecium?
In evolution, ________ describes the appearance of new species from ancestors. species which share ancestors are said to have a "common ________."
It is descent bro/sis
what do you think would happen to the gull population if there were only 10 nest sites?why?
how come most common observers of the ocean fail to observe ocean currents
Final answer:
Most common observers of the ocean fail to observe ocean currents because they are intricate and not easily detectable without advanced technology such as satellites and autonomous instruments; even these data sources are insufficient for a full understanding, leading to the use of numerical models for a global view.
Explanation:
The reason most common observers of the ocean fail to observe ocean currents is mainly because these currents are a subtle and complex phenomenon not easily detectable by simple observation. Almost all our observations of the ocean now come from satellites, drifters, and autonomous instruments rather than from ships. The ocean's turbulent nature means that many years of observations may be needed to obtain a stable map of the mean flow, and the samples we have of the ocean are insufficient to describe its full complexity, leading to conceptual oversimplifications. For the deep circulation, which is even less observable due to its slow-moving nature and the variability of current speeds, advanced technology like moored current meters or deep-drifting floats is required to make satisfactory observations, and their long-term data is sparse. Therefore, numerical models currently provide the most comprehensive global view of ocean currents.
The three-domain system divides organisms into groups based on similarities in their:
Much evidence indicates that _______ are a sister taxon to plants. select one or more:
a. mosses
b. liverworts
c. red algae
d. charophytes
e. chlorophytes
Charophytes are closely related to plants and belong to the group known as Streptophytes. Hence the correct option is D.
Charophytes are a sister taxon to plants. They are classified as Streptophytes, closely related to land plants. Charophytes include algae orders like Charales, Zygnematales, and Coleochaetales.
Within the mammary glands milk is produced by _____ glands
Which of the following Punnett squares shows the cross correctly set-up?
Pasta dough can be shaped by forcing it through a die in a process known as
Extrusion
Extrusion is a process used in food production. During extrusion, mixed ingredients or food substances are forced through an opening in a die with a designed pattern, and is then reduced to a specified size by blades. Food products with high starch content such as pasta and breads undergo extrusion process during production.
Select the choice that describes neurons with the fastest conduction velocity for action potentials. view available hint(s) select the choice that describes neurons with the fastest conduction velocity for action potentials. thick, myelinated neurons thin, nonmyelinated neurons thin, myelinated neurons thick, nonmyelinated neurons all of these choices conduct action potentials at the same velocity.
Neurons are part of the nervous system and pass the information. Thick and myelinated neurons represent neurons with the most rapid conduction speed.
What is neuron and action potential?The basic unit of the nervous system and the brain are called neurons they receive sensory and send the motor information in the body.
The flow and the movement of the ions in and out of the nerve cells for the transmission of the information are called the action potential.
The rapid action potential of the nerve cells occurs in the thick and myelinated neurons as they enhance the impulse conduction through the nerve cell body.
Myelin sheath acts as the insulating sheet that enables the proper function of the neurons and transmits the signal faster.
Therefore, option A. thick myelinated neurons conduct impulses faster in the action potential.
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A person with emphysema will exhibit signs of select one:
a. acute respiratory acidosis.
b. chronic respiratory alkalosis.
c. metabolic alkalosis.
d. chronic respiratory acidosis.
e. chronic metabolic acidosis
A person with emphysema will exhibit signs of chronic respiratory acidosis. Therefore, option (D) is correct.
Emphysema is a kind of chronic obstructive pulmonary disease or COPD that which involves physiological abnormalities which includes loss of lung elasticity and air sac enlargement. It all starts when the alveoli or the air sac at the end of the bronchioles becomes enlarged due to its walls breaking down or are destroyed, collapsed, narrowed, stretched or over-inflated.
Because of this, there will be fewer and larger damaged sacs which would eventually result to a reduced oxygen and carbon dioxide exchange in the surface area of the lungs. This would lead to a medical condition termed as respiratory acidosis because the lungs are incapable of removing enough carbon dioxide produced by the body.
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How can the extinction of a single species affect how the ecosystem functions? give an example?
Members of the kingdom animalia select one:
a. make their own food through photosynthesis.
b. can obtain their food either by absorption or by photosynthesis.
c. can obtain their food by eating other organisms.
A contraction in which the muscle does not shorten but its tension increases is called isometric contraction
An insecticide is a chemical that can rid a plant of insects that cause damage to the plant. If the same insecticide is used for many years, it is likely that it will no longer rid plants of insects. Which statement BEST explains why insects are no longer harmed by an insecticide that has been used on the same plants for many years? a. Over time, plants sprayed with an insecticide develop a resistance to it, which transfers to the insects when the insects eat the plants. b. Some insects are born with an ability to avoid harm from an insecticide, and they pass this ability to their offspring when they mate and reproduce. c. Some insects are born with an ability to avoid harm from an insecticide, and they pass this ability to other insects by coming into contact with them. d. Over time, plants sprayed with an insecticide develop a resistance to it, which transfers to the insects when the insects lay their eggs on the plants.
Plants sprayed with an insecticide develop resistance over time, which transfers to insects when they eat the plants. This leads to a decrease in the effectiveness of the insecticide in ridding plants of insects.
Explanation:The correct answer is a. Over time, plants sprayed with an insecticide develop a resistance to it, which transfers to the insects when the insects eat the plants. This process is known as pesticide resistance. When an insecticide is used repeatedly on the same plants, the insects that are not killed by the insecticide may survive and reproduce, passing on their resistance to future generations. As a result, the insecticide becomes less effective in ridding plants of insects.
What type of cell helps to stimulate b cells to produce antibodies?
Helper T cells stimulate B cells to produce antibodies. They bind to the antigen-MHC class II complex and induce the B cells to divide into plasma cells which produce the antibodies, or memory B cells which lie in wait for a future encounter with the same antigen.
Explanation:The type of cell that helps to stimulate B cells to produce antibodies is the Helper T cell. The helper T cell binds to the antigen-MHC class II complex and releases cytokines. These cytokines induce the B cell to divide rapidly and create thousands of identical cells that either become plasma cells or memory B cells. Plasma cells are the ones that produce and secrete the antibodies.
Antibodies, also known as immunoglobulins (Ig), are proteins produced by plasma cells in response to an antigen. They play a critical role in immune response by binding to the antigens on pathogens and marking them for destruction by other immune cells. Memory B cells, on the other hand, stay inactive until they encounter the same antigen in a future infection, at which point they quickly divide and produce more plasma cells.
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Radiopharmaceuticals are administered for medical testing and treatment true or false
True
Radiopharmaceutical is also known as medicinal radiocompounds and they can be used as therapeutic and diagnostic agents inform of pharmaceutical drugs with radioactivity. Thus, radiopharmaceuticals are organic molecules. In Radiopharmaceutical, organic molecule conveys the radioisotope to specific organs, cells or tissues.
Newsletter
rhabdomyolysis
medical author: siamak n. nabili, md, mph
medical editor: william
c. shiel jr., md, facp, facr
medically reviewed on 8/10/2016
table of contents
rhabdomyolysis facts
what is rhabdomyolysis?
what causes rhabdomyolysis?
what are the symptoms of rhabdomyolysis?
what should i do if i think i have rhabdomyolysis?
how is rhabdomyolysis diagnosed?
what are the complications of rhabdomyolysis?
how is rhabdomyolysis treated?
what is the prognosis for rhabdomyolysis?
1/9
rhabdomyolysis facts
rhabdomyolysis is the rapid destruction of skeletal muscle resulting in leakage into the urine of the muscle protein myoglobin.
rhabdomyolysis has many causes.
medications can cause muscle injury and rhabdomyolysis.
rhabdomyolysis can cause muscle pain and weakness.
blood levels of muscle enzymes, including cpk, sgot, sgpt, and ldh, as well as blood and urine myoglobin are used to diagnose and monitor rhabdomyolysis.
hospitalization is sometimes required to treat rhabdomyolysis.…
Rhabdomyolysis is a serious medical situation where skeletal muscle rapidly breaks down, leaking the muscle protein myoglobin into the urine. It's often diagnosed through blood and urine tests and might require hospitalization for treatment.
Explanation:Rhabdomyolysis is a serious medical condition characterized by the rapid destruction of skeletal muscle, leading to leakage of the muscle protein, myoglobin, into the urine. Various factors can cause rhabdomyolysis, including certain medications, severe injury, or extreme physical exertion. Symptoms often include muscle pain and weakness.
To diagnose rhabdomyolysis, healthcare professionals will examine the blood levels of muscle enzymes, including CPK, SGOT, SGPT, and LDH, as well as blood and urine myoglobin. Depending on the severity, hospitalization may be necessary to administer treatment, which usually involves addressing the underlying cause and helping the body to remove the excess myoglobin.
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Avoiding stress is least likely to inhibit the progression of _________ in humans.
Identify at least five epithets used to describe odysseus
Odysseus is described with various epithets in Homer's Odyssey, including but not limited to: Resourceful Odysseus, Much-enduring Odysseus, Great-hearted Odysseus, Sacker of Cities, Lord of Ithaca .
1. Resourceful Odysseus - This epithet reflects Odysseus's cleverness and his ability to devise intricate plans and inventions, such as the Trojan Horse.
2. Much-enduring Odysseus - This epithet highlights Odysseus's perseverance and his ability to withstand numerous trials and tribulations throughout his journey.
3. Great-hearted Odysseus - This epithet emphasizes Odysseus's bravery and the nobility of his spirit.
4. Sacker of Cities - This epithet refers to Odysseus's role in the Trojan War, particularly his idea for the Trojan Horse, which led to the fall of Troy.
5. Lord of Ithaca - This epithet denotes Odysseus's status as the king of Ithaca and his rightful place as the ruler of his homeland.
These epithets are not only descriptive but also serve to remind the audience of Odysseus's various attributes and his role in the epic poem. They are a characteristic feature of Homeric poetry, providing a rich tapestry of attributes that define the heroic figures within the narrative.
Suppose a fungus destroys the central xylem and phloem tissues in the roots of a tree. What function of the root system will be lost because of this damage
Answer:
The roots will lose the tendency to transport minerals and water due to the damage of xylem and phloem tissues in the roots of a tree.
Explanation:
A root exhibits four prime functions, that is, the captivation of water and inorganic nutrients, storage of nutrients and food, affixing of the plant body to the ground, as well as vegetative reproduction and competition with other plants. The absorbed minerals and water present in the roots are translocated to the rest parts of the tree or a plant for its optimal functioning. The xylem tissues perform this function of transporting water and minerals from the roots to the stems and leaves of the plant or tree. In case, if the tissues get damaged then roots lose the tendency to transport water and minerals to the higher parts of the plant or tree.
Fertilization usually takes place in the select one:
a. vagina.
b. uterus.
c. cervix.
d. pelvic cavity.
e. upper part of an oviduct.
Cite the primary extrinsic and intrinsic muscles of the lower leg.
Dolphins (which are mammals) and sharks (which are fish) have stiff dorsal fins projecting from their backs that help them maneuver through water. these structures are best described as
Nicotine is only one of the many toxic chemicals inhaled while smoking. What effect can such toxic chemicals have on the body?
a) They stimulate an increase in height
b) They stimulate uncontrolled cell division
c) They eliminate carbon dioxide from cells
d) They eliminate chromosomes from many cells