A muscle cell contains many nuclei due to cellular fusion, which is the combination of multiple progenitor cells. It does not complete the cytokinesis stage of the cell cycle, which normally leads to the division of the cell and its nucleus into two separate cells.
Explanation:A single muscle cell, known as a myocyte, generally contains many nuclei due to a process called cellular fusion. This process involves the combination of numerous progenitor cells, each with a nucleus, to form a single muscle cell with multiple nuclei.
The stage of the cell cycle that the myocyte is not completing is cytokinesis. Cytokinesis is the phase in which the cell physically divides at the end of mitosis to form two identical daughter cells. If a cell does not undergo cytokinesis, it will not separate, and instead, it may form a cell with multiple nuclei, as seen in muscle cells.
In summary, muscle cells contain multiple nuclei due to the lack of cytokinesis following mitosis, leading to the fusion of multiple cells into a single cell body.
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The development of the _____________—with its small size, absence of heat, and low cost—made personal computers possible
What is the name of the process in which rock combines with water molecules to form new compounds?
The name of the process in which rock combines with water molecules to form new compounds is called Chemical weathering.
What is Chemical weathering?Chemical weathering refers to the breakdown of rock by chemical reactions in which rock combines with water molecules to form new compounds resulting in a change of original composition of the rocks. This process of chemical weathering can occur in different ways as follows: Hydrolysis: In this, water directly react with many different minerals in rock by which original rock being transformed. Example, water will react with feldspar, changing it into a common clay called kaolin.
Oxidation: This involves reaction of metallic elements with oxygen. Example, Fe will react with oxygen (O2) to form reddish mineral called iron oxide (Fe2O3). Carbonation: This process involves carbon dioxide reaction with minerals in rocks. Carbon dioxide (CO2) will combine with water (H2O) to form weak carbonic acid (H2CO3) which slowly dissolve limestone rocks, into caves and caverns. Acid Rain: This refers to presence of traces of Sulfuric (H2SO4), nitric (HNO3), and carbonic acid (H2CO3) in rain which has a greater ability to weather rock than just ordinary rain.
Thus, the process by which rock combines with water molecules to form new compounds referred to as chemical weathering.
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How does coal create a negative impact to the environment?
Where does protein synthesis take place?
a. in the nucleus
b. on smooth endoplasmic reticulum
c. on ribosomes
d. in the nucleolus?
How does the input of olfactory information to the brain differ from other sensory input pathways?
a. it does not require the cortex for higher order processing.
b. direct connections to the thalamus are not made before information reaches the cortex.
c. the first direct connection is to the thalamus and not to the medulla.
d. prior to making connections with the medulla, sensory input travels through the spinal cord?
Which type of membrane would be present in the largest quantity in a prokaryotic cell?
The membrane, which is present in the largest quantity in a prokaryotic cell is the cell membrane.
• The cell membrane also known as the plasma membrane separates the cell from the outside environment.
• It monitors the movement of organic molecules, water, ions, oxygen, and certain wastes into and out of the cell.
• The cell membrane protects the cell.
• The cell membranes are generally formed of fatty-acid-based lipids and proteins.
It is the cell membrane or the plasma membrane, which is present in the largest concentration in a prokaryotic cell.
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The type of blood vessel that allows easy passage of oxygen, carbon dioxide, nutrients, and waste through its cell wall is the ________.
The type of blood vessel which has the function of having to allow passage easily of other substances such as nutrients, carbon dioxide, oxygen and even waste in the cell wall is known to be the capillary. It is known to be a branching blood vessel in which it has a role of being a network with both the venules and arterioles.
our body send electrical messages throughout our body using charged atoms. these charged atoms have either a positive or negative charge because they either gained or lost electrons. what are these atoms called?
A. Lons
B. Covalents
C. Organic molecules
Substances formed by joining smaller molecules together are called
The most serious complications of bulimia and anorexia nervosa include
Which mutation(s) would not change the remainder of the reading frame of a gene sequence that follows the mutation(s)? which mutation(s) would not change the remainder of the reading frame of a gene sequence that follows the mutation(s)? one deletion mutation. one addition and two deletion mutations. one addition mutation. one addition and one deletion mutation?
What information did scientists use when developing the geologic timescale?
Scientists studied the fossil record. They found four major changes in life forms. These four major changes were used to mark when one geologic era ended and the next began.
Scientists developing the geologic timescale used information from stratigraphy, biostratigraphy, and radiometric dating methods derived from the study of Earth's rocks and fossils.
Explanation:Scientists developing the
geologic timescale
used several different types of information, primarily derived from the study of Earth's rocks and fossils. They utilized information from
stratigraphy
, a branch of geology that studies rock layers, to understand the sequence of geological events.
Another crucial type of information was about fossil records. By studying the changes in the types of fossils found in different rock layers, they could develop a relative timeline of life on Earth. This is a concept known as biostratigraphy.
Furthermore, absolute dates of rock layers were obtained through radiometric dating methods, which estimate the age of rocks based on the decay of radioactive elements inside them. This provided numerical ages to correlate with the relative timeline from stratigraphy and biostratigraphy.
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What is the relationship between the energy charge of a cell and control of the atp-generating pathway?
Excellent water supply can reduce the morbidity from typhoid fever by what percentage (potentially)?
A patient is to receive enalapril (vasotec) 5 mg iv every 6 hours. each dose is given over 5 minutes. the medication is available in an injectable form, 1.25 mg/ml. identify how many milliliters of medication will the nurse draw up for each dose. _______
select all that apply
Humans have eyes composed of three layers: _____.
pupil
sclera
iris
choroid
retina
cornea
Answer: Sclera and cornea, iris and choroid and retina.
Explanation:
Human eye is that organ that helps us to see the things that are present around us. The outer layer of the eye is known as fibrous tunic which is made up of cornea and sclera.
The middle layer which is responsible for providing the nourishment to eye is known as vascular tunic which consists of the iris, chroid and ciliary body.
The inner layer that contains the photo receptors consists of retina.
The relation between amino acid and polypeptide is similar to the relation between ________.
The relation between amino acid and polypeptide is similar to the relation between NUCLEOTIDE and NUCLEIC ACID.
The primary structure of the polypeptide chain is composed of 20 different classes of amino acids held together by peptide bonds.Thus, amino acids represent the building blocks of polypeptides (i.e., proteins).In a similar way, nucleotides are building blocks of nucleic acids (both DNA and RNA).On the other hand, monosaccharides (e.g., glucose) are building blocks of polysaccharides (e.g., starch).In conclusion, the relation between amino acid and polypeptide is similar to the relation between NUCLEOTIDE and NUCLEIC ACID.
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The relation between amino acid and polypeptide is similar a leading to a longer chain.
Explanation:The relation between amino acid and polypeptide is similar to the relation between monosaccharide and polysaccharide in carbohydrates. Just like amino acids are the building blocks of polypeptides, monosaccharides are the building blocks of polysaccharides. Both amino acids and monosaccharides can link together through specific bonds to form longer chains.
What is the significance of the red blood cell being anucleate?
_____ are substances that are capable of enabling as well as inhibiting the flow of electricity.
a. insulators
Answer:
The answer is semiconductors
Explanation:
How did whales evolve from land mammals? Claim,evidence,reason
The two major types of sensory receptors, based on the origin of stimuli, are
Episodes of overeating (typically high-calorie foods) followed by vomiting, laxative use, fasting, or excessive exercise are common in individuals with
An important buffer in the blood is a mixture of ________.
Scientists studied reproduction in the New Zealand mud snail to answer the question, “Are there benefits to reproducing sexually or asexually?” Which of these hypotheses would least likely aid the scientists as they worked to answer the question?
A.)Sexual reproduction is advantageous over asexual reproduction because it reduces the rate of mutation accumulation.
B.)Asexual reproduction is advantageous over sexual reproduction because it allows the snails to produce more offspring.
C.)Sexual reproduction is advantageous over asexual reproduction because it allows for snails to have increased genetic variation.
D.)Asexual reproduction is advantageous over sexual reproduction because it decreases the snails’ need for social interaction.
A client who recently had surgery is bleeding. what blood product does the nurse anticipate administering for this client?
What does set point theory suggest about the probable results of bariatric surgery?
Set point theory proposes that the body has a natural weight "set point" that it strives to maintain, and bariatric surgery, while effective for initial weight loss, may be met with resistance from the body's homeostatic mechanisms, potentially leading to weight regain over time.
According to the set point theory, the body aims to stay within a preferred or stable weight range. Due to restricted food intake or malabsorption, people who have bariatric surgery can initially lose a lot of weight. However, the natural defenses of the body may prevent long-term weight loss.
Increased hunger, decreased energy expenditure, and adaptations that make long-term weight loss difficult to maintain can all be caused by metabolic and hormonal changes. In order to prevent weight gain and address the body's set point processes, people may need to significantly alter their lifestyles, get continuing assistance, and consider other options in addition to bariatric surgery.
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What essential bodily fluid can an astronaut’s body stop producing if his or her hips are exposed to solar flares?
A lion eating a zebra is an example of which characteristic of life? having cells responding to the environment using energy growing and developing
Answer:
C) USING ENERGY
Explanation: The Lion is using energy
Answer:
C
Explanation:
Kim wants to grow some more plants in her garden. she has to plan carefully because she has an allergy to plant pollen. which plant should she not plant in her garden? dandelion, because it is wind-pollinated sweet cherry, because it is pollinated by flies blackberry, because it is bee-pollinated nextreset
The correct answer is A. Dandelion, because it is wind-pollinated.
After 3 hours of exercise, what are the main sources of energy?
After 3 hours of exercise, the body primarily uses fatty acids and ketone bodies for energy. Muscle glycogen is used up quickly, followed by blood glucose and increased fat metabolism. If exercise continues for extended periods, protein can also be broken down for glucose.
Explanation:After 3 hours of exercise, the main sources of energy for the body are fatty acids and ketone bodies. When muscle glycogen stores are depleted, which happens within the first few minutes of high-intensity exercise, the body then transitions to using blood glucose and fatty acids as the primary sources of energy.
Glucose can still contribute to energy production through the bloodstream, particularly if it's been recently ingested through diet. If exercise continues for an extended period or at lower intensity, fatty acid metabolism increases, and the body begins to utilize these fats more predominantly. Eventually, if the body is subjected to starvation or continued long-duration exercise, it will start producing ketone bodies from fatty acids as an alternative energy source.
Proteins are usually conserved during exercise but can be broken down to glucose in situations of energy deficit or extended duration activities. In summary, following exhaustive exercises like those spanning 3 hours, fat stores and any circulating blood glucose become the principal sources of energy for the body, with ketone body production coming into play thereafter.