The nuclear envelope is perforated with pores to allow it to move in and out of the nucleus.
Every cell in the body has a nucleus, except for mature erythrocytes (red blood cells). While some cells contain more than one nucleus such as skeletal muscle and some other cells contain several nuclei.
The nuclear envelope surrounds the nucleus. i. e. largest organelle of the cell. It has a similar structure to that of
the plasma membrane. But the nuclear envelope contains tiny pores that allow a few substances to pass between it and outside the cytoplasm, i.e. the cell contents excluding the nucleus.
Therefore, the nuclear envelope is perforated with pores to allow it to move in and out of the nucleus.
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Which animal has a more efficient microbial fermentation system, sheep or horse? explain.
Sheep has more efficient microbial fermentation system than horse.
Based on the characteristics of their digestive fermentation sites, animals can be categorized as foregut or hindgut fermenters. In contrast to a hindgut fermenter, which has larger fermentation compartments in the cecum and/or colon, a foregut fermenter by definition has a pre-gastric fermentation chamber. Horses display hindgut fermentation, whereas sheep have foregut fermentation. Hindgut fermentation is a digestive process that occurs in creatures with single chambered stomachs, whereas foregut fermentation is a form of cellulose digestion seen in ruminants, who have a four chambered stomach.
Foregut fermentation is often thought to be more effective than hindgut fermentation based on the stomach compartment. Therefore, sheep has a more efficient microbial fermentation because it exhibits foregut fermentation.
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12
Where is the greatest concentration of PCBs found in a food chain?
F
producers
G
primary consumers
H
secondary consumers
J
tertiary consumers
The largest concentrations of PCBs are found in the bodies of predators at the top of the food chain or nearby (such as birds and fish).
In the food chain, what is PCB?Polychlorinated biphenyls (PCBs) and dioxins are hazardous substances that linger in the environment and build up in the food chain. Since the 1970s, their prevalence in the environment in Europe has decreased as a result of coordinated efforts by government agencies and business.
Food, which accounts for over 90% of exposure in people and has the highest amounts in fish (such as salmon and shellfish), dairy products (particularly milk and butter), and animal fat, accumulates PCBs in organisms through the food chain.
Polychlorinated biphenyls, or PCBs, are dangerous industrial substances.
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Identify the articulation site that allows us to rotate our head, e. G. Shaking the head "no".
The atlas and axis form the atlanto axial joint which allows head rotation.
What are the type of articulation?The amount of movement that different articulations permit as well as the nature of their structures varies. The three categories of synarthrosis, amphiarthrosis, and diarthrosis are used to categorize joints based on their function, or how much movement they permit.
The site where articulation occur is
atlanto axial joint which allows head rotation. If you shake say no that is head rotation . The atlanto axial joint is a compound synovial joint.
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Heterogeneous is best described as _____________. a. having differences b. having similarities c. adopting a culture d. diffusing a culture please select the best answer from the choices provided. a b c d
Answer:
A. Having differences
Explanation:
as opposed to homogeneous which is the same or having similarities
Answer:
The best answer is A - having differences.
Explanation:
When comparing heterogeneous and homogeneous, a helpful trick to remembering the difference is to look at the root of each word. Homo- means “same”, and hetero- means “different”.
Heterogeneous can be used to describe any group of something that is mixed and varied in composition (i.e. a box of Legos).
Homogeneous can be used to describe any group of something that is the same composition throughout (i.e. sweet tea).
why the stem of Corchorus olitorius mulukhiyah plant has the ability to make photosynthesis process
The stem of the Corchorus olitorius molokhia plant has the ability to make a photosynthesis process because for the isolation and discovery of a natural AhR antagonist, molokhia is a desirable meal.
Ancient Egyptians used an annual herb called Molokhia or Mulukhiya, also known as Egyptian Spinach, Mallow, Nalta Jute, or Tossa Jute. Its leaves are a common element in Middle Eastern, East African, and North African cuisine and are eaten and prepared as vegetables.
Molokhia, often known as the "super-green" of the Middle East, is a powerhouse of nutrients. Fiber, potassium, iron, calcium, magnesium, phosphorus, selenium, and the vitamins C, E, K, A, B6, and niacin are all abundant in them.
Dark green seedpods that resemble okra and bright yellow flowers are characteristics of the Molokhia plant. Molokhia can be planted in the spring and harvested all summer long. While Molokhia typically grows to a height of 2 feet, it has been known to reach 10 feet in a single growing season.
Correct question:
Why the stem of the Corchorus olitorius Molokhia plant has the ability to make the photosynthesis process?
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please help me with this
Staphylococci are cocci that form clusters. The correct option is B.
What is Staphylococci?Staphylococci are gram-positive bacteria, and they are facultative or anaerobic bacteria. They are spherical shaped, and they are found in grapes-like clusters.
They are present in the skin of the human being, generally in the nose area, and they cause no harm to people. But they cause minor skin infections sometimes.
They are thus present in the form of clusters or branches of grapes-like structures.
Thus, the correct option is B. cocci, which creates clusters.
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Which statements accurately describe osmosis? Check all that apply.
The first, fourth, and fifth statements accurately describe osmosis.
The net movement of solvent molecules through a semipermeable membrane is known as osmosis. Since the movement is downward and goes from greater to lower concentration, it is comparable to diffusion. However, in osmosis, the movement must take place through a membrane that is semipermeable or selectively permeable. It cannot be referred to as osmosis without this component.
Osmosis is about the net movement of the solvent molecules (not the solute), whereas diffusion is frequently depicted as the net movement of solutes between two solutions (solvent such as water molecules). The water must migrate in order to equalise the concentrations of the two areas due to the different concentrations of water molecules on the two sides of the membrane.
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State the law of germs.
The law germs states that germs can cause to diseases.
Germs are also known as microorganisms.
This law is known as the law of germ theory. When germs, pathogens or microorganisms invade our body system, it causes diseases.
Diseases such as cholera are caused by germs
What are germs?Germs simply refers to microscopic organisms or microorganisms which causes diseases to both plants and animals.
Generally, microorganisms are so small such that they cannot be viewed about with our ordinary eyes, we can only view them using sophisticated instrument known as microscope.
So therefore, the law germs states that germs can cause to diseases.
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________ transmit pain that is sharp, nonchronic, and well localized. a. a-delta fibers b. b-delta fibers c. c-fibers d. d-fibers please select the best answer from the choices provided a b c d
Answer:delta a fibers
Explanation: A
What is true regarding fat? fat is used for energy if glucose is not available. fat is used for healthy skin and hair. fat is used for vitamin absorption. all are correct
The correct option is (d) all are true.
Your body needs dietary fats for energy and to sustain healthy cell function. They also aid in maintaining body temperature and organ protection.
Consuming fatty foods is undoubtedly a component of a healthy diet. Use liquid, non-tropical plant oils, low- or non-fat dairy products instead of full-fat varieties, and lean meat or poultry if you consume meat. Additionally, keep in mind that you should balance the number of calories you consume from all sources with the number of calories you expend through exercise. Fat is utilized by the body as a source of energy. The body will break down fat and use the resultant ketones for energy if glucose is not readily accessible.Lustrous skin and hairVitamin assimilation A, D, E, and K are examples of fat-soluble vitamins.Insulation for organs and maintains body temperature.Learn more about the fats with the help of the given link:
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How would you distinguish pseudostratified columnar epithelium from all other tissues?.
Psuedo functions mostly absorption and filteration processes.
What is the advantage of psuedostratified epithelium?
The lungs are shielded from these irritants by the existence of pseudostratified columnar epithelium in the upper respiratory tract, which is made up of the nose, trachea, and bronchi. To capture particles and stop them from moving farther down the respiratory passages, the epithelium's goblet cells release mucus.
The psuedostratified has too many layers and it is made up of columnar epithelial tissue.
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One of the first symptoms of an influenza virus infecting the respiratory system is an accumulation of fluid in the ____________ .
One of the first symptoms of an influenza virus infecting the respiratory system is an accumulation of fluid in the lungs.
The body generally creates a little fluid to aid the lungs in producing a productive cough when fighting respiratory illnesses such as influenza virus. However, recent studies indicate that the influenza virus may tilt the scales in favor of too much fluid in the lungs, impairing oxygen delivery to the rest of the body.
Although this research demonstrates that the virus does not cause all of the harm to a sick individual, an immune response is ultimately required to eradicate the infection. According to the study, which was carried out in mice, the fluid accumulation deep inside the lungs may really contribute to the death of a person who has the flu.
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What two separate diseases are the main copd diseases? give background on each disease.
Answer:
Emphysema and chronic bronchitis are the two most common conditions that contribute to COPD
Explanation:
Breathlessness is a symptom of the lung disease emphysema. Alveoli, also known as the lungs' air sacs, suffer damage in those suffering from emphysema. These air sacs' internal walls weaken & burst with time, resulting in the formation of bigger air voids rather than numerous, tiny ones.
Emphysema symptoms could include the coughing, sneezing, breathlessness, tightness in the chest, as well as a higher production of mucus. Usually, symptoms may not appear till the tissue of lungs has just been damaged to 50% or above.
A severe cough that lasts longer than three months and persists for minimum two years in a row qualifies as chronic bronchitis. There may be times when the cough and perhaps other signs of chronic bronchitis get worse.
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Summarize the relationship between water and the plasma
membrane by completing the concept map below.
water flows into the plasma membrane ---> Water and the Plasma Membrane
water flows through the plasma membrane by means of osmosis and helps with homeostasis
osmosis is the movement of water molecules from regions of low solute concentration to regions of high solute concentration through a semi-permeable membrane.
homeostasis is the process by which the body maintains a fairly constant internal environment.
What is the plasma membrane?The plasma membrane is the lipid bilayer membrane which encloses the contents of the cell separating it from the external environment.
The plasma membrane is a selectively permeable membrane that allows some solutes to enter or leave the cell while preventing other from doing so.
The plasma membrane allows some small molecules such as ions as water molecules to enter or leave the cell as a result of their concentration gradient.
Considering the relationship between water and the plasma membrane:
water flows into the plasma membrane ---> Water and the Plasma Membrane
water flows through the plasma membrane by means of osmosis and helps with homeostasis
osmosis is the movement of water molecules from regions of low solute concentration to regions of high solute concentration through a semi-permeable membrane.
homeostasis is the process by which the body maintains a fairly constant internal environment.
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The substances which yield the most energy per unit of weight
are
a Carbohydrates
b Lipids
c Proteins
d Sugars
Answer:
Carbohydrate
Explanation:
I think it will be right.
In your opinion do you think attitude or qualities of a person would help in performing one's role effectively? Why? Cite and example that support your answer.
Pls help I really need this now.
Answer:
Ability to learn. Every organization has a specific set of knowledge that every employee will need to acquire to be successful at their job. ...
2) Conscientiousness. ...
3) Interpersonal skills. ...
4) Adaptability. ...
5) Integrity.
Write a paragraph that describes the distribution of clover in the microclimates of Long Island
using the terms variation, adaptation, natural selection, and evolution. Be sure to fully describe each
of these terms in your detailed paragraph.
The urban microclimate is a climate change that raises the local temperature, differentiating it from the climatic conditions of the region, in Long Island the climate variations are great, mainly due to the great impact of human-made anthropization, it is necessary to adapt plants and animals are of extreme importance, in this case the natural selection of an ecological bubble of animals, plants and microorganisms.
What are the types of microclimates?The microclimate can be divided into as many classes as there are types of surfaces, but generally speaking, microclimates are considered:
urban microclimates vegetation microclimates.Whit this information we can conclude that We can highlight as the main characteristics of the urban microclimate: Altered temperatures when compared to neighboring areas, that is, a certain place in the city may have higher or lower temperatures. Air humidity can also be higher or lower when compared to nearby locations.
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In order to cause a negative inotropic effect on the heart, you would have to administer a(n):_________
In order to cause a negative inotropic effect on the heart, you would have to administer an beta-1 adrenergic antagonist.
a medication that blocks beta-1 adrenergic receptors and is used to treat mild to severe hypertension, myocardial infarction, and heart failure. a specific 1-receptor antagonist used to treat adult patients' hypertension and premature ventricular beats for the management of hypertension and angina pectoris.The class of drugs known as beta blockers, often written as -blockers, is primarily used to treat irregular heartbeats and to prevent the heart from suffering a second heart attack after a first one. Although they are no longer the majority of patients' first choice for first treatment, they are nevertheless commonly utilized to treat high blood pressure.Beta blockers are competitive antagonists that obstruct endogenous catecholamine receptor sites.Therefore, the correct answer is beta-1 adrenergic antagonist.
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If you eat a carbohydrate-rich meal your body will move the excess glucose out of your blood to store it as_____, through a process known as _____. *
If you eat a carbohydrate-rich meal your body will move the excess glucose out of your blood to store it as Glycogen , through a process known as Glycogenesis .
The first step in the multi-step process of glycogenesis, also known as glycogen synthesis, is the conversion of glucose to glucose-6-phosphate by hexokinase or the liver isoform of hexokinase, known as glucokinase. The addition of a phosphate group confines glucose inside the cell, making this process crucial. When glucose molecules are added to chains of glycogen for storage, the process is known as glycogenesis.The liver and the Cori cycle's resting phases both trigger this process, and insulin's response to high blood glucose levels also triggers it.Glycogenesis is the process by which glucose is converted into glycogen, the major carbohydrate stored in animal liver and muscle cells. When blood glucose levels are high enough to allow for the storage of extra glucose in the liver and muscle cells.learn more about glycogenesis here: https://brainly.com/question/3245151
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You decide to conduct a genetic analysis of these mutant lines by crossing each with a pure-breeding wild-type line. the numbers in the f2 indicate the number of progeny in each phenotypic class.
The following represents the type of mutant allele:
Forked: The mutant allele is dominant to its corresponding wild-type allele. Twisted: The mutant allele is neither totally dominant nor completely recessive to its corresponding wild-type allele.Pale: Neither the mutant allele nor its corresponding wild type allele is dominant or recessive.Is an allele dominant or recessive?An allele cannot be "dominant" or "recessive" by definition. These phrases instead describe the interaction between two alleles. A heterozygote is used to assess this relationship since it has one dominant allele and one recessive allele, with the dominant allele determining the phenotype of the heterozygote.The phenotypes of some heterozygotes fall somewhere between those of the two homozygotes. Because neither allele is totally dominant over the other, this scenario is the result of partial dominance.How does genetic analysis work?the examination of a DNA sample to search for mutations (changes) that could impact a person's susceptibility to a disease or how they respond to therapy.What techniques are used in genetic analysis?Cytogenetic testing, biochemical testing, and molecular testing are the three main types of genetic testing that can be used to identify anomalies in DNA sequence, protein function, and chromosome structure, respectively. Tests for cytogenetics.What can we learn from genetic analysis?A DNA test, often known as genetic testing, is a type of medical examination that can spot changes to your genes, chromosomes, or proteins. These mutations can reveal whether you have a genetic disorder or not. DNA tests can also determine your likelihood of contracting a certain disease or passing on a genetic disorder.To learn more about genetic analysis visit:
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Fertilization refers to the process of:
Fertilization refers to the process of two gametes of opposite sex uniting (option C).
What is fertilization?Fertilization is the process whereby the male gamete unites with the female gamete to form a zygote.
In sexually reproducing organisms, the male organism of a species produces a gamete called sperm cell while the female organism produces egg or ova.
Therefore, it can be said that fertilization refers to the process of two gametes of opposite sex (male and female) uniting.
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7. How could you tell what element it is if only a model (picture) was
present
There are two properties that can be used to identify an element: the atomic number or the number of protons in an atom. The number of neutrons and number of electrons are frequently equal to the number of protons, but can vary depending on the atom in question
Select the correct answer from each drop-down menu.
humans and mice is almost 92% similar. This similarity indicates that
Mice have a tail, while humans have a tailbone. The tailbone is a
structure in humans.
homologous structure
Explanation:
similar physical features in organisms that share common ancestor
Formation of vinegar take place due to the action of
Does Science or Technology solves problems in order to understand the natural world.
Carbohydrates located on the outside of the plasma membrane form a sugar coating known as the ________, that help protect the cell from mechanical damage.
Answer:
Glycocalyx
Explanation:
When we drink water, we feel good
because water helps move nutrients
to our what?
A blood
B. cells
C waste
Answer:
B. Cells
Explanation:
It's the answer
why are large numbers of mitochondria and golgi apparatus found in mucus secreting cells?
Mucus production and secretion are specialized functions of goblet cells. Their characteristic goblet, cup-like shape created by the mucin granules that fill the cytoplasm earned them their name.
The canaliculi grow when secreted juice fills them whenever the cell is vigorously secreting. These cells also include many of mitochondria, which supply the ATP energy needed for the secretion process. The macromolecules are given different chemical groups inside the Golgi body to guarantee that they travel to the right place. Each macromolecule that enters the Golgi body is given a address in this fashion. For instance, mucus is secreted by goblet cells, which line the intestine.
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The __________ , on the posterior thorax, are roughly triangular in shape. They have no direct attachment to the axial skeleton but are held in place by trunk muscles.
The scapulae, on the posterior thorax, are roughly triangular in shape. They have no attachment to the axial skeleton but are held in place by trunk muscles.
The bone that connects the clavicle (the collar bone) with the humerus (the upper arm bone) is the scapula (in plural, scapulae), or shoulder blades. The word 'scapular' originates from a Latin word meaning 'trowel' or 'shovel', because of its resemblance to a shovel.
The scapula is a triangular shaped bone that can be found posterior (at the back) to the thorax. Although they are not attached directly to the axial skeleton, they are necessary for the smooth motion of the upper extremity and several other motions associated with daily living, for example, shrugging of the shoulders. The pectoral girdle and chest muscles assist with the protraction and retraction and retraction of the scapula. It is also essential to the stability of the shoulder point as a whole.
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in an experiment, the *BLANK* is the section that tells us the steps we need to take to run the experiment. A procedure. B Materials. C. Hypothesis. D Data
