Answers
Answer:
rate of division
Explanation:
In normal cells, the cell cycle is controlled by a complex series of signaling pathways by which a cell grows, replicates its DNA and divides. In cancer, as a result of genetic mutations, this regulatory process malfunctions, resulting in uncontrolled cell proliferation.
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Cancer is a disease in which some cells lose their ability to control rate of division. The correct option is C.
What is cancer?Cancer is the body's unchecked proliferation of aberrant cells. When the body's natural control system malfunctions, cancer might emerge.
Instead of dying, old cells proliferate uncontrollably to produce new, aberrant cells. These excess cells could aggregate into a tissue mass known as a tumour.
Genes, the fundamental building blocks of inheritance, can change in ways that result in cancer.
Chromosomes are long, tightly packed DNA strands where genes are organised. Since genes that determine how our cells behave, particularly how they grow and divide, are altered, cancer is a genetic disease.
Thus, the correct option is C.
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Related Questions
Describe the purpose of mitosis.
2. Describe what is happening in each stage and what each stage looks like:
Prophase
Prometaphase
Metaphase
Anaphase
Telophase
Cytokinesis
Answers
Answer:
To acquire growth and to replace worn out and defected cells.
Explanation:
The main purpose of mitosis is to acquire growth and to replace worn out and defected cells.
In prophase, the chromatin condenses which is present in the nucleus of the cell.
Prometaphase is the stage where the nuclear membrane breaks apart into numerous "membrane vesicles".
Metaphase is the phase where all the genetic material is condensing into chromosomes.
Anaphase is the stage in which chromosomes are pulled by the spindle fibers to opposite poles of the cell.
In Telophase, the cell is nearly dividing, and it starts to re-establish its normal structures as cytokinesis (division of the cell contents) takes place.
Cytokinesis is the process which divides the cytoplasm of a parental cell into two daughter cells.
a cover slip should be used for preparing a 1 frog for dissection 2 solution of iodene for food testing 3 wet mount of elodea(a simple plant) 4 test to determine the pH of a solution
Answers
A cover slip should be used for preparing a 1 frog for dissection 2 solution of iodine for food testing 3 wet mount of elodea to check the pH of a solution.
What will be the formula for calculation of pH?As per given statement,
Solution at a pH of 10
And we know that formula for pH is given by:-
pH = -log[H+],
Each one pH increase is 10x less hydrogen ions and 10x more hydroxide ion, so a pH of 10 is 10^3 = 1000x less hydrogen atoms and 1000x more hydroxide ions than a pH of 7.
The negative logarithm of the hydrogen ion concentration, [H+], a measure of the degree to which a solution is acidic or alkaline. An acid is a substance that can give up a hydrogen ion (H+); a base is a substance that can accept H+.
Therefore, A cover slip should be used for preparing a 1 frog for dissection 2 solution of iodine for food testing 3 wet mount of elodea to check the pH of a solution.
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READING TOOL Main Idea and Details As you read through this lesson, write the main ideas
and supporting details in the chart below.
Answers
Answer: I will do it but i need a link for it bc i dont see a chart below
Explanation:
why unraveling past climate changes is important and discuss several ways in which such changes are detected
Answers
Unraveling past climate changes is important because it helps us to understand the causes and consequences of climate change.
What is climate change?Climate change refers to the long-term changes in temperature and weather patterns. These may be natural or man-made changes.
Some examples of climate changes include sea level rise, rapid loss of ice mass loss in Greenland, Antarctica, and the Arctic, changes in floral and plant blossoming, and extreme weather occurrences.
Some methods by which past climate changes can be detected include:
Ice cores provide information on past climatic and weather conditions.Tree rings give information about past weather conditions.Sediment coresFossil recordsHistorical recordsLearn more about climate change at: https://brainly.com/question/1789619
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Complete question:
Explain why unraveling past climate changes is important and discuss several ways in which such changes are detected.
What form of potential energy is present in corn?
Subject: Science not biology
Answers
the runner below has a mass of 55 kg and is moving at 3.87 m/s. what is his kinetic energy in joules
Answers
Answer:
411.86 JExplanation:
The kinetic energy of an object can be found by using the formula
\(k = \frac{1}{2} m {v}^{2} \\ \)
m is the mass
v is the velocity
From the question we have
\(k = \frac{1}{2} \times 55 \times {3.87}^{2} \\ = 27.5 \times 14.9769 \\ = 411.86475\)
We have the final answer as
411.86 JHope this helps you
Three circuit diagrams are shown. Which statement about the circuit
diagrams is accurate?
Circuit A Circuit B Circuit C
A. Circuits A, B, and C are all series circuits.
OB. Circuits A and C are series circuits, and circuit B is a parallel
circuit.
C. Circuits A and B are series circuits, and circuit C is a parallel
circuit.
OD. Circuit A is a series circuit, and circuits B and C are parallel
circuits.
Answers
From the diagram, circuit a and b are series circuit while c is parallel. Option C
What is a parallel and series circuit?
The components in a parallel circuit are linked together so that the electric current can go along several different routes. The power source is directly connected to each component, forming parallel branches. While the current in a parallel circuit can vary, the voltage between each component is constant.
The components of a series circuit are connected one after the other to create a single path for the passage of electricity. While the voltage across each component can change, the current flowing through each component is constant.
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What do you think some of the negative consequences of gender socialization could be?
Answers
One negative consequence of gender socialization is the reinforcement of gender stereotypes. Stereotypes are oversimplified and often inaccurate beliefs about groups of people, and they can lead to discrimination and prejudice. Gender stereotypes can limit individual choices and opportunities, as well as contribute to gender-based violence and other forms of inequality.
Another negative consequence of gender socialization is the pressure to conform to traditional gender roles and expectations. This pressure can limit individual expression and creativity, and it can also contribute to mental health issues such as anxiety and depression.
Can you please write this reaction down step by step on paper?
Answers
The fatty acid C23:3 (Δ8,11,14) has 23 carbon atoms and three double bonds located at positions 8, 11, and 14 and its breakdown occurs through beta-oxidation.
What are the beta-oxidation steps?The fatty acid C23:3 (Δ8,11,14) has 23 carbon atoms and three double bonds located at positions 8, 11, and 14.
The breakdown of this fatty acid can occur through β-oxidation, which is the process of sequentially removing two-carbon units from the carboxyl end of the fatty acid. Each round of β-oxidation involves four steps: oxidation, hydration, oxidation, and thiolysis.
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As opposed to freshwater animals, saltwater animals have a risk of this reaction due to the salt concentration in the water.
Answers
As opposed to freshwater animals, saltwater animals have a risk of shrinking reaction due to the salt concentration in the water.
The reason behind the shrinking reaction is the process of osmosis. This process is defined as the diffusion of water from area of high concentration to area of low concentration with the help of a selectively permeable membrane.
Saltwater animals are surrounded by hypertonic solution or a solution with high concentration of solutes, the water inside them transports outside due to osmosis, causing them to lose the water inside them and shrink due to dehydration.
This phenomenon of shrinking can also be known as plasmolysis.
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I want the answer please
Answers
Answer:
Base is the correct answer .
es below carefully
Leaf A
Leaf B
Do not compare the size and colour of the leaves.
Based on the diagrams shown above,
state one similarity between Leaf A and Leaf B.
Answers
Answer:
They both have a petiole
Explanation:
Leaf A and Leaf B both possess a petiole.
A petiole is the part of the leaf found beneath it which attached the leaf to a stem.
Observing both leaves, they both have this in common. Therefore, they are similar because they both have petiole.
Identify from which region of the vertebral column each vertebrae belongs to. What are the differences between the size of the body, vertebral foramen, and spinous processes?
Answers
Within the various regions of the spine, the vertebrae vary in size and shape, but they all follow similar structural patterns.
What is spine?Your spine, or backbone, is the central supporting structure of your body. It connects different parts of the musculoskeletal system. The spine helps us sit, stand, walk, twist and bend. Back injuries, spinal cord disorders, and other problems can damage the spine and cause back pain. The spine is the central supporting structure of our body. The spine is a chain of bones, but it is made flexible by elastic ligaments and intervertebral discs. The vertebrae are generally numbered and divided into different regions. Neck, chest, lumbar, sacrum, coccyx. Only the top 24 bones are movable.To learn more about spine from the given link :
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Picture 1 is a part of cervical vertebrae and picture 2 is a part of thoracic vertebrae.
What is cervical and thoracic vertebrae?
The C1–C7 vertebrae, which make up the cervical spine (neck area), are connected to one another by intervertebral discs. These discs provide the spine with mobility and serve as shock absorbers when people are moving around.There are 12 vertebrae in the thoracic area, identified as T1–T12. Spinal nerves emerge through a space created by the intervertebral discs, laminae, pedicles, and articular processes of neighboring vertebrae. Combined, the thoracic vertebrae form a kyphotic curvature.Difference between size of the body, vertebral foramen and spinous processes:
Regardless of body size, nearly all mammals have seven cervical vertebrae. This indicates that there are significant differences in the size of cervical vertebrae, ranging from the shrew's relatively short cervical vertebrae to the giraffe's neck's much lengthened vertebrae. Each cervical vertebra in a fully mature giraffe measures 11 inches in height.The spinal cord and its meninges are located in the vertebral foramen. The spinal cord is located in this spacious passageway that runs up and down inside each vertebra; it is commonly referred to as the spinal canal rather than the vertebral foramen.The lumbar spinous processes (LSP) provide a crucial anatomical and biomechanical purpose by anchoring the interspinous and supraspinous ligaments, as well as the intersegmental paraspinal muscles and safeguarding the neuronal structures in the spinal canal.Hence one is cervical vertebrae and the other is thoracic vertebrae.
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The body of a slime mold that flows over a rotten log appears to lack any partitioning into distinct cells; however it does become cellular when it changes form and produces spores. The surfaces of parasitic flatworms and some insect tissues are "syncytial" layers of living material that developed from a single cell but now contains many nuclei but lack partitioning by cell membranes. These tissues actively consume food and produce wastes. Considering that the cell theory states that "all living things are composed of cells," then:_______.a. these tissues are not living because they violate the cell theory.b. this proves some vital force is involved beyond normal cell structures in order to give life to living organisms.c. these tissues are obviously a bridge between nonliving and primitive living cells.d. the general concept of life-is-cellular still holds since sometime in their life these organisms still utilize cells, but this shows cell membranes can be abandoned.e. all of the above are true.
Answers
Answer:
The correct answer is : option D.
Explanation:
The given example of the slime mold that flows on a rotten log and the parasitic flatworms and other insects shows no cellular distinction as they lack true partitioning in between their cells of the body. These organisms (insects and parasitic flatworm) have syncytial tissues but lack cell membranes.
All these organisms still follow the rules of cell theory as they are made up of cells and rise from pre-existing cells and all cells of an organism are similar to one other. However, it is not necessary to have a cell membrane and it can be abandoned.
Thus, the correct answer is : option D.
A student is labeling a diagram of mitosis. Which description should the student label as anaphase?
A. The chromosomes separate and move along spindle fibers to opposite ends of the cell.
B. The chromosomes, which were distinct and condensed, begin to spread out into a tangle of chromatin.
C. The centromeres of the duplicated chromosomes line up across the center of the cell.
D. The genetic material inside the nucleus condenses and the duplicated chromosomes become visible.
Answers
Students are learning about plate tectonics and how current topographic features were formed. The students learn
that the Appalachian Mountains in eastern North America formed approximately 480 million years ago and, at one
point during their formation, reached elevations comparable to some peaks in the present-day Rocky Mountains.
Today, the tallest mountain in the Appalachian Mountains is about 2,000 meters in elevation, while the tallest peaks
in the Rocky Mountains reach up to about 4,400 meters in elevation.
Explain how the Appalachian Mountains were formed and how they have become so much smaller over time. Enter
your answer in the box provided.
Answers
The Appalachian Mountains were formed due to a continental collision, which might have occurred more than 270 million years ago.
What is plate tectonics?The expression 'plate tectonics' makes reference to the creation of landforms due to Earth's movement.
The Appalachian Mountains were formed due to the collision between different continental plates.
In conclusion, the Appalachian Mountains were formed due to a continental collision, which might have occurred more than 270 million years ago.
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explain how capillaries are adapted for their function
Answers
The capillaries are adapted to their functions because their walls are just a cell thick making it possible for exchange to occur.
What is a capillary?A capillary is defined as the type of blood vessels that is found all over the body which is the smallest type of blood that allows the transport of blood, nutrients and oxygen to cells in organs and body systems.
The physiological structure of the capillaries helps in the adaptation of their functions because they are just a cell thick which is not so for veins and arteries of the vascular system.
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Analyse the impact of these electronic media,such as social networks on individual under positive impact (5)
Answers
Answer: Social media permits you to: Communicate and sit up thus far with family and friends round the world. notice new friends and communities; network with people UN agency share similar interests or ambitions. be a part of or promote worthy causes; raise awareness on necessary problems.
Explanation:
What may occur when convergent boundaries interact?
O formation of island chains
O creation of mid-ocean ridges
O creation of convection currents
O formation of rift valleys
Answers
Formation of island chains occurs when convergent boundaries interact and is denoted as option A.
What is Convergent boundary?This refers to an area where two or more lithospheric plates collide in the earth.
When the y interact, island chains are formed which consists of sea with sparse islands around the area.
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Answer: A
Explanation: E2022
what does menaing of reporoducion
Answers
Answer:
It is a biological process by which an organism reproduces an offspring who is biologically similar to the organism.
Explanation:
I hope I have cleared ur doubt if not do mention in comment
Biology
heeeeeeeeeelp
Answers
activate site
product
Answer:
substrate
active site - inside enzyme
Enzyme-substrate complex
Explanation:
Why does natural selection occur more when there is competition for resources?
Answers
Natural selection occurs more prominently when there is competition for resources because competition creates selective pressures that drive adaptations and favor certain traits over others.
In any given environment, resources necessary for survival and reproduction, such as food, water, and shelter, are limited. As a result, individuals within a population must compete with one another to obtain these resources.
Competition leads to differential survival and reproductive success among individuals.
Those individuals with advantageous traits or variations that enable them to more effectively acquire and utilize resources have a higher likelihood of survival and producing offspring.
These advantageous traits can be physical characteristics, physiological adaptations, or behavioral strategies that provide a competitive edge.
Through natural selection, individuals possessing beneficial traits are more likely to pass on their genes to the next generation, while individuals with less favorable traits are at a disadvantage.
Over time, this process results in the accumulation of beneficial traits within the population, enhancing their overall fitness and adaptation to the specific environment.
Therefore, competition for resources acts as a driving force for natural selection by selecting for traits that enhance an individual's ability to secure limited resources, survive, and reproduce successfully.
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Isabella has two brothers. One has brown hair and brown eyes like she does, while the other has dark
blonde hair and blue eyes. Knowing they all share the same parents, she wonders how one brother can be
so different. Which answer below best explains how the differences are possible?
Answers
Answer:
They get different genes from each parent.
Explanation:
Relate the directionality of nucleotides to the formation of phosphodiester bonds
Answers
Answer: The formation of a phosphodiester bond between nucleotides provides directionality for the resulting nucleic acid strand. This is referred to as the 5'-3' direction, as the nucleic acid would grow from the 5' end of one sugar to the 3' end of another sugar.
Explanation:
what four things in combination determine what type of fossil fuel is made
Answers
The chemical groups into which hormones can be divided include
Answers
1.Lipid-derived
2.amino acid-derived
3. Peptides
If one half of a DNA molecule has 8 thymine bases, what else is also true about the DNA molecule? (1 point)
There will be 16 total bases.
O There will be 32 total bases.
There will be 8 adenine bases.
There will be 8 cytosine bases.
Answers
Thymine always pairs with adenine in DNA, so if there are 8 thymine bases that means there are also 8 adenine bases.
We don’t know how many total bases there will be, and because cytosine does not pair with thymine we don’t know how many cytosine bases there will be.
Step 3: Translate mRNA
tRNA Molecules
Asn
Codons
mRNA
His
Intro
JUC
Leu
Anticodons
Met
Pro
Ser
Cytoplasm
Û䤶¶¶Ã ¶ÂÏ Ú Ú ÚÂÚ
5'
3'
Ribosome
Find the next anticodon you need to match the next mRNA codon you identified. Drag its anticodon to
the ribosome. Record in the second row of the data table.
H.O Counter 0
Answers
i can't understand your question can you explain it please
Why would a normally aquatic or marine species adapt to the supralittoral fringe where they have to deal with desiccation and temperature stress?
Answers
Answer:
In order to survive.
Explanation:
A normally aquatic species adapt to the supralittoral fringe in order to survive in that environment. Supralittoral zone also referred to the area on coastlines and estuaries, that is regularly splashed, but not submerged by ocean water. This environment is different for the marine organisms that causes adverse effect on the marine organisms but these marine animals has the ability to adapt that environment by using certain mechanism in order to survive and easily reproduce in that environment.
Label and explain the phases of Bacteria growth curve and their relation to generation time
Answers
Log phase- Bacteria cells begin to grow as their growth enzymes are being activated here. Growth is maximum in this phase.
Steady/maturation phase- Growth rate equals death rate here. This arises due to the accumulation of toxins. Growth here is slow.
Diminishing phase. Here the death rate is more than the growth rate. With time, growth rate becomes nullified and the bacteria cells become non viable, that is, they die.
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