Answers
Smooth muscle fibers are located in walls of hollow visceral organs, except the heart, appear spindle-shaped, and are also under involuntary control. Skeletal muscle fibers occur in muscles which are attached to the skeleton. They are striated in appearance and are under voluntary control.
Related Questions
what is mutuation in biology
Answers
Answer:
any change in the nucleitide sequence because of failure in the system.
Explanation:
im in bio class lol but uh this is a definition that can be searched
Answer:
A mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene.
Explanation:
prepare a question aire to know about interdependence between the biotic and abiotic component
Answers
Answer: The biotic components of the environment are the living which beings that interact with the abiotic component of the environment. Abiotic components are non-living like air, water, soil, atmosphere, and others. The biotic components require abiotic components for their survival and the abiotic components get recycled due to the utilization by the living beings.
Explanation:
Questionnaire that can be related with the interdependence of the biotic and abiotic component:
1. How abiotic components are related to biotic components?
2. How abiotic components affect the functioning and survival of the biotic components?
3. What will be the impact on biotic components if all the abiotic factors are removed from their surrounding environment?
4. How water cycle gets disturbed due to deforestation?
5. How carbon cycle gets affected by the deforestation and pollution increases in the region of deforestation?
What term is used to describe the number of chromosomes in a gamete, such as
an egg cell or a sperm cell?
Answers
Answer:
The biology term, haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes
The term used to describe the number of chromosomes in a gamete would be haploid.
Gametes are usually formed by meiosis and meiosis is referred to as reductional division. When a normal diploid (2n) cell divides by meiosis, the daughter cells would have half the number of chromosomes of the parent cell. In other words, the daughter cells will have n number of chromosomes as opposed to 2n.
Cells with n chromosome numbers are generally referred to as haploid while those with normal 2n chromosome numbers are said to be diploid. Egg and sperm cells are haploid cells.
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29. Brain has one son, two grandchildren, and three great-grandchildren. This is example of
O exponential growth.
Odynamic growth.
O linear growth.
Obinary growth.
Answers
This is an example of exponential growth.
Exponential growth refers to a pattern of growth where the quantity or size of something increases at an accelerating rate over time.
In the given scenario, Brain has one son, two grandchildren, and three great-grandchildren.
Each generation is producing more offspring, resulting in a rapidly increasing number of descendants.
The progression from one generation to the next demonstrates exponential growth because each subsequent generation adds more individuals than the previous one.
As the generations continue, the number of descendants grows exponentially larger.
Exponential growth can be observed in various natural and human-made systems, such as population growth, compound interest, and the spread of infectious diseases.
In this case, the number of descendants in Brain's family tree follows an exponential pattern, as each new generation multiplies the number of offspring, leading to a significant growth rate.
Therefore, the example given aligns with the concept of exponential growth.
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During exocytosis, the vesicles that fuse with the plasma membrane become part of the membrane. This could greatly increase the surface area of the plasma membrane. How does the cell manage to recycle the excess membrane?
Answers
its due to diffusion this happens some times osmosis as well
The community in an ecosystem is always stable and unchangeable. True or false
Answers
Answer:
The answer is false.
Explanation:
In science, nothing is permanent, especially in biology. An ecosystem can be stable, but it is never indefinitely so.
The community in an ecosystem is always stable and unchangeable is false
What is the ecosystem?The community in an ecosystem is not always stable and unchangeable. Ecological communities are dynamic and constantly changing due to various factors such as natural disturbances like wildfires or human activities such as deforestation, pollution, or introduction of invasive species.
Therefore, These factors can lead to changes in the species composition and interactions within the community, which can have far-reaching consequences for the functioning of the ecosystem as a whole. Therefore, ecological communities are not static, but rather they are constantly changing in response to various biotic and abiotic factors.
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Which of the following IS NOT a function of the skeletal system?
O Protecting the body from pathogens
O Producing blood cells
O Storing minerals
O Providing attachment
Answers
Answer:
A) Protecting the body from pathogens
If a person with Klinefelter’s syndrome wanted to look more like an average male, what medical treatment could help accomplish this?
Answers
A business will violate the Clean Water Act if it does which of the following? Choose 2 answers. releases hazardous chemicals into the environment O uses chemicals without first determining their impact on human health and the environment uses equipment that does not meet the standards for "best available control technology" discharges pollutants into surface waters without a permit
Answers
Discharges pollutants into surface water without a permit.
Releases hazardous chemicals into the environment.
The U.S. Clean Water Act is the federal statute that regulates water pollution. Its goals are to maintain the local bodies' physical, chemical, and structural integrity while also restoring it.
U.S. Clean Water Act regulations are required to be followed by manufacturing companies, and doing so may need the installation of new equipment, systems, and technology, which affects the manufacturing company's cash flow and eventually raises expenses. U.S. Clean Water Act rules frequently cover the management and cleaning of harmful waste. The firm producing the trash is required to filter and clean the waste before releasing it into the environment, which raises the overall costs that the manufacturing company is responsible for, thus driving up overall business costs.
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Give the correct order of the classification groups from largest to most specific.
1) Species-Genus-Family- Order- Class- Phylum-Kingdom- Domain
2) Domain-Kingdom-Class-Phylum-Order-Family-Genus-Species
3) Domain-Kingdom-Phylum-Class-Order-Family-Genus-Species
4) Kingdom-Domain-Phylum-Class-Order-Family-Genus-Species
Answers
8.Which particle as the same mass as a neutron?
Answers
Answer:
A proton that weighs 1 amu same as neutron.
Marie Curie was a famous French-Polish scientist known for her pioneering research on radioactivity. Her work not only brought her fame but her death as well; she developed aplastic anemia due to radiation exposure. She experienced recurrent and prolonged infections (viral, bacterial, parasitic, and fungal). Explain why she suffered from recurrent infections. Be sure to mention the different types of WBC and the relation to the various infections, and the reasons why she lacked the cell-mediated and the humeral response.
Answers
Answer:
because of continous radiation exposure, bone marrow got destroyed and the ability to produce immunity is reduced
granulocytes
monocytes
nk cells
etc
What is shown in the figure above?
SOO MANY POINTS NEED FAST
Answers
Answer: i think a fossil record
Explanation:
how many alleles does an emoji have for each trait? where do they come from?
Answers
Answer:
Explanation:
I believe that it comes from people expression and how they act because all of them emojis out there are our traits everday
Hope this helps
I believe that it comes from people expression and how they act because all of them emojis out there are our traits everyday.
What do you mean by traits?A trait is a specific characteristic of an individual. Traits can be determined by genes, environmental factors or by a combination of both.
Biological traits describe species' physiology, morphology, life history, and behavior, capturing both inter-specific interactions and the connections between species and their environment.
Autosomal dominant – where the gene for a trait or condition is dominant, and is on a non-sex chromosome. autosomal recessive – where the gene for a trait or condition is recessive, and is on a non-sex chromosome. X-linked dominant – where the gene for a trait or condition is dominant, and is on the X-chromosome.
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characteristics of contaminated water
Answers
Contaminated water is a type of water that is harmful to human beings due to the presence of harmful substances, pollutants, or impurities that make the water unsafe for drinking or other household uses. The characteristics of contaminated water can be identified through various indicators, which can either be physical, biological or chemical.
Physical indicators are visible and may include color, taste, and odor, while biological indicators are not visible and may include bacteria, viruses, and protozoa. Chemical indicators may include heavy metals, pesticides, and organic compounds, among others.
Physical Characteristics: Physical characteristics of contaminated water include cloudy or turbid appearance, unusual taste or odor, or discoloration of the water. The color may range from yellow to brown, blue to green, or even black.
Biological Characteristics: Biological characteristics of contaminated water include the presence of bacteria, viruses, or protozoa. These microorganisms can cause diseases such as diarrhea, typhoid, cholera, and dysentery.
Chemical Characteristics: Chemical characteristics of contaminated water include the presence of heavy metals such as lead, arsenic, or cadmium. Pesticides and fertilizers can also contaminate water and affect human health. Organic compounds like benzene and toluene can also be present in contaminated water, which can lead to health problems such as cancer and nerve damage.
Therefore, it is important to test water sources regularly to identify and monitor any contaminants that may be present. This can help prevent health problems associated with the use of contaminated water.
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Why do teens tend to make riskier decisions than adults?
Answers
Brain Development: The brain undergoes extensive development and reorganization during adolescence, particularly in the prefrontal cortex, which is responsible for decision-making, impulse control, and weighing consequences. This region develops at a slower pace compared to the reward-seeking regions of the brain, such as the limbic system. As a result, teenagers may be more driven by immediate rewards and less inclined to consider long-term consequences.
Sensation Seeking: Adolescence is characterized by heightened sensation seeking and a desire for novel and exciting experiences. Teenagers often seek out new sensations and engage in risk-taking behaviors as a way to explore their own identity, gain independence, and test boundaries. The pursuit of thrills and excitement can overshadow the potential risks involved.
Social Influence: Peer influence plays a significant role during adolescence. Teenagers are highly attuned to social acceptance and approval, and they may engage in riskier behaviors to fit in, gain peer recognition, or conform to social norms within their peer group. The desire for social status and acceptance can override concerns about potential negative outcomes.
Incomplete Experience and Judgment: Compared to adults, teenagers have less life experience and exposure to various situations, making it more challenging for them to accurately assess risks and make informed decisions. They may lack the cognitive tools and judgment skills to fully evaluate the potential consequences of their actions.
Emotional Intensity: Adolescence is a time of heightened emotional intensity, with teenagers experiencing intense emotions and seeking ways to regulate them. Risk-taking behaviors can serve as a means to cope with or regulate these emotions, providing temporary excitement, distraction, or a sense of control
1.) Citrus Red Mites can disperse to other locations by ______.
Choose the best answer.
a. crawling and roping.
b. using their wings to fly.
c. egg expulsion shot into other plants.
d. being carried by other insects.
2.) Mark all correct answers.
The mouth parts of insects are important for these reasons.
They can help us identify the insects
They tell us how they feed on a plant
What show the sort of damage they cause.
The kinds of disease they spread.
Answers
Answer:
A crawling and roping
They can help us identify the insect
Match the structures of a cell to their function
Organelles
A. Tiny Cell structures that carry out specific function within the cell
B. Controls which substances pass into and out of a cell
C. Rigid layer that surrounds the cells of plants and some other organisms
D. The cell's control center, directing all of the cell's activities
E. Fluid that fills the region between the cell membrane and the nucleus
Cell Wall
A. Tiny Cell structures that carry out specific function within the cell
B. Controls which substances pass into and out of a cell
C. Rigid layer that surrounds the cells of plants and some other organisms
D. The cell's control center, directing all of the cell's activities
E. Fluid that fills the region between the cell membrane and the nucleus
Cell membrane
A. Tiny Cell structures that carry out specific function within the cell
B. Controls which substances pass into and out of a cell
C. Rigid layer that surrounds the cells of plants and some other organisms
D. The cell's control center, directing all of the cell's activities
E. Fluid that fills the region between the cell membrane and the nucleus
Nucleus
A. Tiny Cell structures that carry out specific function within the cell
B. Controls which substances pass into and out of a cell
C. Rigid layer that surrounds the cells of plants and some other organisms
D. The cell's control center, directing all of the cell's activities
E. Fluid that fills the region between the cell membrane and the nucleus
Citoplasma
A. Tiny Cell structures that carry out specific function within the cell
B. Controls which substances pass into and out of a cell
C. Rigid layer that surrounds the cells of plants and some other organisms
D. The cell's control center, directing all of the cell's activities
E. Fluid that fills the region between the cell membrane and the nucleus
Mitochondria
A. Converts energy stored in food to energy the cell can use to live and function
B. An organelle with a network of membranes that produce many substance
C. Receive proteins and other newly formed materials and distribute them to other parts of the cell
D. Small structures that produce proteins
E. Captures energy from sunlight and uses it to produce food for the cell
Endoplasmic reticulum
A. Converts energy stored in food to energy the cell can use to live and function
B. An organelle with a network of membranes that produce many substance
C. Receive proteins and other newly formed materials and distribute them to other parts of the cell
D. Small structures that produce proteins
E. Captures energy from sunlight and uses it to produce food for the cell
Ribosomes
A. Converts energy stored in food to energy the cell can use to live and function
B. An organelle with a network of membranes that produce many substance
C. Receive proteins and other newly formed materials and distribute them to other parts of the cell
D. Small structures that produce proteins
E. Captures energy from sunlight and uses it to produce food for the cell
Golgi bodies
A. Converts energy stored in food to energy the cell can use to live and function
B. An organelle with a network of membranes that produce many substance
C. Receive proteins and other newly formed materials and distribute them to other parts of the cell
D. Small structures that produce proteins
E. Captures energy from sunlight and uses it to produce food for the cell
Chloroplasts
A. Converts energy stored in food to energy the cell can use to live and function
B. An organelle with a network of membranes that produce many substance
C. Receive proteins and other newly formed materials and distribute them to other parts of the cell
D. Small structures that produce proteins
E. Captures energy from sunlight and uses it to produce food for the cell
Answers
A
CUZ I DID THE RESEARCH
For her research, Ananya frequently accesses a new database that contains functional data relating to the human genome. This database was likely created during what phase of the ENCODE project?
Group of answer choices
pilot phase
analysis phase
sequencing phase
technology development phase
Answers
The ENCOD project was a collaborative effort aimed at identifying all functional elements in the human genome. It consisted of several phases, including the pilot phase, technology development phase, sequencing phase, and analysis phase.
What is ENCOD?
The ENCODE (Encyclopedia of DNA Elements) project was a collaborative research effort aimed at identifying all functional elements in the human genome. The project was launched in 2003 with the goal of creating a comprehensive catalog of functional elements, such as genes, regulatory elements, and chromatin modifications, and to understand how these elements work together to control gene expression and cellular function.
Since the database that Ananya accesses contains functional data, it was likely created during the analysis phase of the ENCODE project. During this phase, the raw data generated in the sequencing phase was analyzed and interpreted to identify functional elements such as genes, regulatory regions, and chromatin modifications.
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Which statement is true?
O All fungi are multicellular heterotrophs.
O All fungi are single-celled heterotrophs.
O All animals are multicellular heterotrophs.
O All animals are single-celled heterotrophs.
Answers
Answer:
The answer should be the third option. 'All animals are multicellular heterotrophs'
Explanation:
A wrinkled, green seed and a round yellow seed were grown into plants and mated. In the F1 generation, half the seeds were round and yellow; the other half were round and green. The round yellow seeds were grown into plants and allowed to self-fertilize. In the F2 generation, what fraction of the seeds will be genotypically identical to the plants of the parental generation
Answers
Answer:
Parental generation: rr yy and RR Yy
wrinkled, green round, yellow
F2) 2/16 RRYy
1/16 rryy
Explanation:
Due to technical problems, you will find the complete answer and explanation in the attached files
In Texas, paddlefish are
O stocked in the Pecos River
O a sport fish
O an endangered species
O all of the above
Answers
Answer:
The answer is an endangered species.
Explanation:
Paddlefish are now listed as a Texas threatened species and it is illegal to catch, kill, or harm a paddlefish in the state’s waters.
PLS HELP!!! ASAP !The picture above shows a cactus plant. This plant, like all plants, is made up of cells.
- Identify two processes that occur in the cells that help the cactus live.
- Explain why each of the processes you have identified helps the cactus live.
Answers
Answer:
photosynthesis and absorption.
Explanation:
photosynthesis is how plants convert light energy into food for the plant. chloroplasts are the name of these cells. they convert light into food for the plant.
absorption takes place in the roots. photosynthesis requires some water in the chlorophyll making process. parenchyma cells in the roots take up water and nutrients from the ground.
Which statement about target tissues for hormones is true?ооооTarget cells have receptors for the hormone.Target cells secrete the hormone into the blood.The hormone is carried directly to the target cells in a specialized duct.None of these choices are correct.
Answers
Hormones are chemical messengers secreted into blood or extracellular fluid by one cell that affect the functioning of other cells. Target cells contains functional receptors for the hormones, these receptors allow the entry of the hormone in the cell. Therefore, target cells have receptors for the hormone.
which of the following statements are not true about the fossil record
a) fossils appear with the oldest fossils in the topmost layers
b) not all organisms appear in the fossil record
c) fossils appear in chronological order in the rock layers
d) fossils found in younger layers are more similar to species alive today than are fossils found in older layers
Answers
Answer:
A.
Explanation:
Older fossils tend to lay in the lower levels of the ground. The further up the fossils are, the more likely you are to find something that looks like today. Think of it as stacking papers with different drawings on them from different ages. Oldest goes on the bottom, newest goes on the top. The older layer stands as more of a foundation point while newer layers are around where we are now.
Fossils appear with the oldest fossils in the topmost layers is not true about fossil record.
The oldest fossils are present at the bottom layer while on the other hand, younger fossils are located near the earth surface. This is because the old fossils ae present when the earth geography is different. When these organisms die they buried in the soil and when the passage of million of years new layers are formed over the parent layer with the help of wind so the oldest fossils present in the bottom layer not in the upper layers.
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4. Cystic fibrosis is a homozygous recessive condition that affects 1 in 10,000 of the Hispanic population
in the United States. Calculate the frequency of the dominant allele, the frequency of the recessive allele, and the percentage of heterozygous individuals (carriers) in the Hispanic population.
Frequency of the dominant allele Frequency of the recessive allele
% homozygous dominant
% homozygous recessive
% heterozygous
Answers
The frequency of the dominant allele is 0.99, the frequency of the recessive allele is 0.01, and the percentage of heterozygous individuals (carriers) in the Hispanic population is 1.98%.
What is Frequency?
Frequency refers to the number of occurrences of a particular event or phenomenon in a given unit of time or space. In genetics, frequency typically refers to the number of occurrences of a particular allele or genotype in a population. For example, the frequency of a particular allele in a population is the proportion of that allele in the total number of alleles at the same locus in that population.
To calculate the frequency of the dominant and recessive alleles, we can use the Hardy-Weinberg equation:
Since cystic fibrosis is a homozygous recessive condition, we know that \(q^{2}\)= 1/10,000, or 0.0001. We can solve for q by taking the square root of both sides:
q = √(0.0001) = 0.01
To find p, we can use the fact that p + q = 1:
p = 1 - q = 1 - 0.01 = 0.99
So the frequency of the dominant allele is 0.99, and the frequency of the recessive allele is 0.01.
To calculate the percentage of heterozygous individuals (carriers), we can use the equation:
2pq * 100%
where 2pq represents the frequency of heterozygous individuals. Plugging in our values, we get:
2pq = 2(0.99)(0.01) = 0.0198
So the percentage of heterozygous individuals in the Hispanic population is:
0.0198 * 100% = 1.98%
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Suppose a plant is eaten by a mouse, the mouse is consumed by a snake, and the snake is in turn consumed by a hawk. What could be assumed about the level of available organic matter in the mouse versus the plant?
A. There will be more organic matter available.
B. They both have the same amount of organic matter.
C. Organic matter does not transfer between the plant and the mouse.
D. There will be less organic matter available.
thank u sm
Answers
Answer:
D. There will be less organic matter available
Explanation:
As the food chain starts, the plant has the most energy. By the end of the food chain, the top predators (the hawk) will have less energy. Therefore, energy decreases as one is consumed by the other. Also explains why top predators eat more than primary or secondary consumers.
1) A model of a bacteriophage is shown in the image here. When comparing the virus/bacteriophage to the host cell that it infects, which statements are accurate? Select ALL that apply.
es
A) Viruses and bacterial cells have DNA or RNA.
B) Viruses and bacterial cells undergo cell division.
Viruses and bacterial cells are approximately the same size.
D) Viruses and bacterial cells contain structures made from proteins.
E) Viruses and bacterial cells contain mitochondria for energy production,
Answers
The most accurate statements are A and C which represents that viruses and bacterial cells contain structures made from proteins, and viruses and bacterial cells have DNA or RNA.
What do you mean by Bacteriophage?Bacteriophage may be defined as any group of viruses that are capable of infecting bacteria.
Genetic information in bacteria and many viruses are encoded in DNA, but in some viruses, RNA is there to encode genetic information.
Viruses do not undergo the process of cell division, bacteria lack mitochondria for energy production.
The size of the bacteria is found to be much greater than viruses.
Therefore, the most accurate statements are viruses and bacterial cells contain structures made from proteins, and viruses and bacterial cells have DNA or RNA.
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Plants take up carbon dioxide (CO2) during photosynthesis and release it during respiration. According to the article, how might increasing global temperatures affect the amount of carbon dioxide plants release during respiration?
Answers
Additionally, higher temperatures can also have a negative impact on plant growth and development, which can further increase the amount of carbon dioxide released during respiration. For example, if plants are exposed to prolonged periods of high temperatures, they may become stressed and allocate more resources to respiration instead of growth, which can result in increased carbon dioxide emissions.
Overall, increasing global temperatures are likely to have complex and potentially negative impacts on plant growth, respiration, and carbon dioxide emissions.
This system provides energy from food
A( Circulatory
B( Endocrine
C( Digestive
D) Lymphatic
Answers
Answer:
the digestive system
Explanation: