what does muscle tissue have the ability to do that other tissue types do not? what are the three types of muscle tissues? how do the structures and functions of the three types of tissues vary?
Answers
Muscle tissue possesses the unique ability to contract, allowing for movement and generation of force. There are three types of muscle tissues: skeletal muscle, cardiac muscle, and smooth muscle.
Skeletal muscle is responsible for voluntary movement and is attached to bones. Cardiac muscle forms the heart and enables involuntary contractions. Smooth muscle lines organs and blood vessels, facilitating involuntary movements. One distinguishing characteristic of muscle tissue is its contractility, which allows it to shorten and generate force. This ability enables movement and various physiological functions. The three types of muscle tissues differ in terms of their structure and function. Skeletal muscle is striated and attaches to bones, enabling voluntary movement and providing support to the body. Cardiac muscle, found exclusively in the heart, has a striated appearance and contracts involuntarily to pump blood. Smooth muscle lacks striations and is found in organs and blood vessels, facilitating involuntary movements such as peristalsis and vasoconstriction. These differences in structure and function allow each muscle tissue type to carry out specialized roles within the body.
Overall, the structures and functions of the three types of muscle tissues vary based on their location, control, and mode of contraction. Skeletal muscle allows for voluntary movements, cardiac muscle powers the heart's rhythmic contractions, and smooth muscle regulates involuntary movements of organs and blood vessels.
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Related Questions
who was responsible for the discovery of the first dna fingerprint
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In a lab at the University of Leicester's Department of Genetics, Alec Jeffreys made the discovery of genetic fingerprinting in 1984.
DNA-based identity testing was not widely used until it was invented by Sir Alec Jeffreys, a geneticist and professor at the University of Leicester in the United Kingdom (UK), 20 years ago.
DNA fingerprinting, also known as DNA profiling or forensic genetics, is a method used by forensic scientists to help identify people or items based on their unique DNA profiles.
A technique called DNA fingerprinting finds several minisatellites in the genome at once to create a pattern that is particular to each person.
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phospholipids play enormously important roles in our bodies because group of answer choices they are the molecules of energy storage every cell membrane is composed of phospholipids they are the storage molecule in fat cells muscles will use them for energy production
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Phospholipids play enormously important roles in our bodies because every cell membrane is composed of phospholipids. These molecules are essential for the structure and function of cell membranes, as they create a barrier between the inside and outside of cells.
Phospholipids also act as signaling molecules and are involved in many cellular processes. While phospholipids can be used for energy production, they are not primarily considered molecules of energy storage. Instead, they are the storage molecule in fat cells, which can be broken down and used for energy as needed. Overall, the importance of phospholipids in our bodies cannot be overstated, as they are fundamental to the proper functioning of cells and organs.
The phospholipids play enormously important roles in our bodies because they are the primary component of cell membranes. Every cell membrane is composed of phospholipids, which form a bilayer structure that provides a protective barrier for the cell and regulates the passage of substances in and out of the cell. The unique properties of phospholipids, such as their hydrophilic heads and hydrophobic tails, allow them to maintain the fluidity and integrity of cell membranes, which is essential for cellular functions and communication.
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I don’t understand how to do this, please help..
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Chickens have 39 chromosomes in their haploid gametes, sperm and egg.
How many chromosomes are found in a chicken's diploid brain cell? *
23
46
78
19
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Answer:
Explanation:
Chromosome specimens are prepared by the peripheral blood lymphocyte cultivation, airing and embryonic, with karyotype, G and C band analysis. The results showed that the number of chromosomes of chicken and quail are 2n = 78, including 10 pairs macrochromosomes and 29 minute chromosome, but apparented differences are existed in the morphos of chromosomes, there are comparatively large difference between the number of fringe and the width of fringe of G band stripe of chicken and quail.
The common cold is caused by a Your answer: bacteria. RNA virus with a complex shape. DNA virus with a complex shape. RNA virus with a helical shape.
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Answer:
the last one
Explanation:
Answer:
yoooooooooooooooo
Explanation:
Scientist claims that Elysia chlorotica, a species of Sea slug, is capable of photosynthesis. which of the following observations provides the best evidence to support the claim?
A) Elysia chlorotica will die if not exposed to light
B) Elysia Chlorotica grows when exposed to light in the absence of other food sources
C) Elysia chlorotica grows faster when exposed to light than when placed in the dark
D) Elysia chlorotica grows in the dark when food sources are available.
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Answer:
The correct answer is - B) Elysia Chlorotica grows when exposed to light in the absence of other food sources
Explanation:
If placing Elysia Chlorotica in presence of the food sources in the presence or absence of light it still grows as normal. However, if placing in the light in absence of the food sources it should not grow if it is not able to perform photosynthesis but it does which means there is a photosynthesis process also involve in the Elysia.
Photosynthesis is the process that involves the production of energy and nutrition in presence of light with water and atmospheric carbon dioxide.
Elysia chlorotica is a mollusc that belongs to the species of green slugs. It is generally found in the coastal zones of the United States including New Jersey, New York, Texas and Florida.
The correct answer is:
Option B) Elysia Chlorotica grows when exposed to light in the absence of other food sources.
The explanation for the option is:
Some of the chloroplasts are stored in the digestive system, which sustains and keeps them alive for months for later use.After some years these chloroplasts get deeply buried in the cells of the gut facilitating the slugs to remain green without feeding further.This merger of mitochondria into the cells enables the slugs to capture the energy and allows them to make their food just like plant makes food from the process of photosynthesis.Therefore, Elysia Chlorotica grows when exposed to light in the absence of other food sources as it makes its own food and energy.
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the position of mammals in evolution is best described as
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The position of mammals in evolution is best described as: Mammals occupy a relatively advanced position in evolution.
Mammals are a group of vertebrates belonging to the class Mammalia. They are characterized by features such as the presence of mammary glands, which produce milk for nourishing their young, and the presence of hair or fur on their bodies. Mammals also have specialized teeth for different types of feeding habits and a unique reproductive system.
In the evolutionary tree of life, mammals are considered to be a relatively advanced group. They belong to the clade of amniotes, which includes reptiles, birds, and mammals. Mammals share a common ancestor with reptiles but have evolved many unique characteristics and adaptations that have allowed them to thrive in various habitats around the world.
Mammals have undergone significant diversification and radiations throughout evolutionary history. They have adapted to various ecological niches, ranging from aquatic environments to terrestrial habitats, and from small insect-eating mammals to large herbivorous and carnivorous species.
Overall, the position of mammals in evolution is best described as relatively advanced, considering their unique adaptations, diverse forms, and ecological success.
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Which of the following is found in the 'rungs' of a DNA strand?
A. Uracil
B. Thymine
C. Deoxy Ribose
D. Phosphate
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Answer:
Thymine
Explanation:
Hello I need help , if anyone could help me u would really appreciate it you have to flip it :)
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Answer:
the answer for 11 is Throughout the food chain, bioaccumulation - the process by which contaminants such as mercury, arsenic, PCBs, etc. concentrate and magnify as it moves up the chain - is a threat to all species. ... The bottom line: bioaccumulation affects the entire world ecosystem from oceans to humans.
Which statement describes the proper procedure for identifying an organism by using a dichotomous key?
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Explanation:
A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts".
Explain how scientific knowledge develops through making observations about the natural world.
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Answer:
Scientific knowledge develops through making observations about the natural world. An observation may generate a scientific question, which may lead to a hypothesis. The hypothesis can be tested through experimentation. The results of experimentation lead to changes in scientific knowledge.
Explanation:
Explain how scientific knowledge develops through making observations about the natural world. my answers are never wrong trust me
The chemical that transmits a nerve stimulus to a muscle fiber is.
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Answer:
Receptors are chemicals that transmit nerve stimuli to muscles fibers
What describes a country with less industry and whose citizens have low average incomes.
Answers
third world countries
Explanation:
are the results of countries with low exports and high imports
Developing works because the low income and socio-economic status comes from them not being stable overall a weak infrastructure unlike second and first world countries, it’ll be a while before they catch up.
last year, dr. thomas used hydrogen peroxide to clean the spot where he planned to administer a vaccination shot to serena. which of the following processes accounts for the fact that serena now becomes fearful every time she sees hydrogen peroxide?
Answers
Serena's fear of hydrogen peroxide is an example of a classical conditioning in Psychology.
Classical conditioning is a form of associative learning that happens unconsciously as your response are automatically conditioned by giving a specific stimulus. In this case, the otherwise neutral object such as hydrogen peroxide, being used to clean the spot where the doctor administered a vaccination shot using needle which caused pain are causing Serena to negatively associate hydrogen peroxide with pain and therefore resulting in her fear towards hydrogen peroxide.
Classical conditioning is often called Pavlovian conditioning since it was first experimented and discovered by Russian psychologist Ivan Petrovich Pavlov, and in the classical conditioning experiment, Pavlov would ring a bell whenever he was about to feed the dogs causing the dogs to salivate in excitement of the food, and having done so a few times, Pavlov noticed that the dogs would automatically salivate upon hearing the bell even without any food given.
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b. "OK. Let's mix these two chemicals together and see what happens!"
Answers
Answer: That's probably not a good idea... :\
Explanation:
Hagfish & lampreys have cartilaginous endoskeletons. So do sharks & rays. Is this an example of homology or homoplasy? a. The fossil record is not clear on this issue and the question can't be resolved by analyzing phylogenetic trees. b. Intuitively, you might think that the cartilaginous skeletons of sharks & rays versus hagfish & lampreys represents homoplasy. However, recently discovered evidence suggests that sharks & rays, along with the rest of the jawed vertebrates, are descended from cartilaginous placoderms-indicating their skeletons are homologous to those of hagfish & lampreys. c. Intuitively, you might think the cartilaginous skeletons of sharks & rays are homologous to those of hagfish & lampreys. However, recently discovered evidence suggests that sharks & rays, along with the rest of the jawed vertebrates, are descended from bony placoderms. This implies that bones were lost in the lineage leading to sharks & rays.
Answers
The correct answer is b. The similarity in the cartilaginous endoskeletons of hagfish, lampreys, sharks, and rays can be explained by homology, not homoplasy.
The correct answer is b. The similarity in the cartilaginous endoskeletons of hagfish, lampreys, sharks, and rays can be explained by homology, not homoplasy. Homology refers to the similarity in structures due to a common ancestry, whereas homoplasy refers to similarity in structures due to convergent evolution. While it may seem intuitive that the cartilaginous skeletons of sharks and rays are homoplasic with those of hagfish and lampreys, recent evidence suggests that all jawed vertebrates, including sharks and rays, descended from cartilaginous placoderms, making their skeletons homologous to those of hagfish and lampreys. The fossil record is not clear on this issue, and analyzing phylogenetic trees alone cannot resolve this question. Therefore, understanding the evolution of cartilaginous endoskeletons in vertebrates requires multiple lines of evidence.
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Jerry is recording the amount of daylight his town receives throughout the month of September. He records the data each Monday of the month. His results are shown in the table below.
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According to Jerry's data, the amount of daylight is getting shorter. If this pattern holds, daytime hours will continue to shorten, and nighttime hours will lengthen.
How does the timing of day and night change?During the observations, Jerry is recording the amount of daylight his town receives throughout the month of September.
The length of day and night on the surface of the earth varies from season to season due to the axial tilt of the earth's rotation axis with regard to its orbital axis.
Therefore, the length of the nighttime will increase the next week is the prediction according to Jerry's data.
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The given question is incomplete, so the most probable complete question is,
Jerry is recording the amount of daylight his town receives throughout the month of September. He records the data each Monday of the month. His results are shown in the table below.
Hours of Daylight Received
Week Hours of Daylight
1 8.34
2 8.12
3 7.98
4 7.63
Which of the following predictions is supported by the data Jerry collected?
A. The amount of daylight will increase the next month.
B. The length of the nighttime will increase the next week.
C. The weather in Jerry's town will be hotter the next month.
D. The Sun will not rise until 8:00 A.M. the next week.
Type of experiment that tests on variable and measures the effect of this variable.
Answers
Controlled experiments are designed to establish cause-and-effect relationships between variables. By controlling for other factors and isolating the impact of the independent variable, researchers can determine whether changes in the independent variable directly influence the dependent variable. This type of experiment allows for rigorous testing and evaluation of hypotheses and helps in drawing meaningful conclusions about the relationship between variables.
the aerated activated biosolid digestion process and produces material that can be used as fertilizer on non-human consumption crops.
Answers
The aerated activated biosolid digestion process is the secondary treatment of sewage. It is used to produces material that can be used as fertilizer on non-human consumption crops.
In the absence of oxygen, bacteria use anaerobic digestion to break down organic wastes including animal dung, wastewater biosolids, and food scraps. A reactor is used to conduct anaerobic digestion in order to produce biogas. The process of treating wastewater results in the creation of biosolids. The liquids and solids in wastewater are separated during treatment. These solids are then subjected to physical and chemical processing to create biosolids, a semisolid, nutrient-rich byproduct.
Hence, secondary treatment produces fertilizer used in non human consumption crop.
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Genes, Transcription and Translation - Quick revision sheet A gene is a section of DNA that codes for a particular p The order of the b_____ in a gene determines the order of the a __ in the protein. has a different Each gene contains a different sequence of b____. Therefore each p___ combination of amino acids. The amino acids in the protein f___ up to give each protein a different, specific function. E.g. enzymes (which are proteins) have a specific shape. A sequence of three bases in the DNA is called c____ protein. DNA contains f___ different bases (a_ they can combine to make 64 different codons. There are only 20 amino acids, so there is more than one codon coding for each amino acid. and codes for one a .,8_ t ___a____ in the and c_ _) so Some regions of DNA are n__- c___ .. They don't code for amino acids, but they are still involved in protein synthesis.
Answers
A gene is a section of DNA that codes for a particular protein. The order of the bases in a gene determines the order of the amino acids in the protein. Each gene contains a different sequence of bases. Therefore each protein has a different combination of amino acids. The amino acids in the protein fold up to give each protein a different, specific function. For example, enzymes (which are proteins) have a specific shape.
A sequence of three bases in the DNA is called a codon and codes for one amino acid. DNA contains four different bases (adenine, cytosine, guanine, and thymine) and they can combine to make 64 different codons. However, there are only 20 amino acids, so there is more than one codon coding for each amino acid.
Some regions of DNA are non-coding. They don't code for amino acids, but they are still involved in protein synthesis.
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What is the definition of a scientific theory
A. a well supported explanation of why a phenomenon occurs.
B. The final outcome of an experiment completed one time
C. A proposed explanation for an occurrence based on available data, observations, or evidence.
D. A scientifically acknowledged principle that has been confirmed by repeated experimental observations.
Answers
The definition of a scientific theory
The correct answer is C. A scientific theory is a proposed explanation for a natural phenomenon based on available data, observations, or evidence.
What is scientific theory?Scientific theory is a well-substantiated and well-supported explanation that has been developed through the scientific method and is used to make predictions and testable hypotheses.
Scientific theories are not final outcomes of experiments completed one time, as they are constantly evolving as new evidence and observations are made. They are also not simply acknowledged principles, but rather are explanations that have been repeatedly confirmed through testing and experimentation.
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Which of the following represents an isotope for lithium (73LI)?
a)35Li
b)43Li
c)37Li
d)34Li
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You end up with two DNA molecules at the end. Do they have the same genetic information or are
they different?
Answers
Answer:
Both strands of double-stranded DNA store the same biological information. This information is replicated when the two strands separate.
Explanation:
The properties of matter depend on the types of atoms a substance is made ofTrue or false
Answers
This statement is true. Properties of a material are a direct consequence of the atoms that constitute it and their interactions.
i crosscut my nail with a knife . will it ever heal???
Answers
5. An advantage of cross-fertilization over self-fertilization is:
a. it requires only a single parent
b. it reduces the number of offspring consumed
c. it decreases genetic variation
d. it increases genetic variation
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Answer:
I think it's B. but I ain't sure
Pls help fast I need to turn this in for Hw
5 and 6
Answers
Answer:
5. a
6. d
Explanation:
are the major lipids of plasma membranes. - a. Triglycerides - b. Phospholipids - c. Fatty acids - d. Steroids
Answers
The major lipids of plasma membranes. are called b. Phospholipids, which form a bilayer in the cell membrane.
What is the phospholipid bilayer in the cell membrane?
The phospholipid bilayer in the cell membrane is an arrangement of phospholipids in order to form biological barriers that allow the selective movement of substances across the internal medium of the cell and the surrounding environment.
A phospholipid is composed of a phosphate polar head and fatty acids that are located on the internal side of the cell membrane because it is hydrophobic (polar phosphate heads are in contact with surrounding water which stabilizes the cell membrane).
Therefore, with this data, we can see that the phospholipid bilayer in the cell membrane is arranged in the sense that the phosphate heads of these biomolecules are located on the outside and fatty acids inside.
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granules or threads within the nucleus are called
Answers
Granules or threads within the nucleus are called chromatin.
Each histone-bound DNA molecule is referred to as a chromosome in the complex of genomic DNA and histone proteins known as chromatin. The process governing how the genome is read out from cell to cell is, however, controlled by chromatin, which also compacts the genome into the nucleus.
In the nucleus of Eukaryotic cells, chromatin, a combination of DNA and proteins, creates chromosomes. In order to fit inside the nucleus, nuclear DNA is extremely compressed and wrapped around nuclear proteins rather than appearing as free linear strands.
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The complete question is:
Granules or threads within the nucleus are called _____.
Additional observations were made on day 21, and no yellow-leaved seedlings were found alive in either dish. This is most likely because
Answers
Answer: Inability to convert the light energy into chemical energy.
Explanation:
The above question relates to the issue regarding photosynthesis. Plants contain chlorophyll and this helps them in the conversion of the light energy that they get from the sunlight into a chemical energy.
In the case that no yellow-leaved seedlings were found alive in either dish, the reason for this will mainly be because the plant was not able to convert the light energy into chemical energy.