which answer is correct, ( i inserted a picture) please help ill give brainliest if correct
Answer:
D
Explanation:
Bohr determined that there are discrete (unique, different from one another) energy levels in the atom and that electrons will orbit the nucleus within these energy levels, known as orbitals.
Cancer is caused by abnormal growth is due to a genetic mutation. Which of the following can cause this genetic mutation? (Choose all that apply)
•Can be inherited
•Acquired with age after many rounds of cell division
•Caused by exposure to radiation
•Acquired from contact with a person who has cancer
Answer: Can be inherited, acquired with age after many rounds of cell division, caused by exposure to radiation
⬇ Explanation(s): ⬇
Exposure to Radiation: Exposure to very high levels of radiation, such as being close to an atomic blast, can cause acute health effects such as skin burns and acute radiation syndrome (“radiation sickness"). It can also result in long-term health effects such as cancer and cardiovascular disease.
Cell Division: Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. ... During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells.
Note:
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Cancer is the abnormal growth of the cells and can be due to genetic mutation. These mutations can be caused by inheritance, exposure to radiation, and age. Thus, options a, b, and c are correct.
What is the cause of cancer?Cancer is a disease where the cells have lost the ability to stop cell division resulting in the accumulation and uncontrolled growth leading to tumors. Cancers are caused by genetic mutations.
The mutations can be inherited if they are in the germinal cells and can be passed to the offspring. The radiations like exposure to UV can alter the DNA sequence as they are mutagens.
It can also be caused due to the increase in age as the cell division is affected by age and the mechanism may fail or mutate resulting in uncontrolled cell growth.
Therefore, options a. inheritance, b. acquired with age, and c. exposure to radiation is the cause of genetic mutation.
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Limiting factors that affect large, dense populations more than small, scattered
populations are called 
_______
Answer:
Density dependant limiting factor
Explanation:
SI UNA PERSONA AUMENTA LA CANTIDAD DE GRASAS DE ORIGEN ANIMAL EN SU DIETA, EL CONTENIDO DE COLESTEROL EN LA SANGRE TAMBIÉN AUMENTA. POR LO TANTO, EN LAS PAREDES DE LOS VASOS SANGUÍNEOS SE PUEDEN ACUMULAR PLACAS DE GRASA Y COMO CONSECUENCIA
Answer:
Eso es verdad. Como esta tu dia :)
Explanation:
Respiration is a complicated process broken into several steps, but only two reactants are used up in the
reaction and only three molecules are produced, Identify the reactants and products and describe the steps in
which they are used or produced.
explain the full meaning of xerophytes
Answer:
xerophytes is a species of plant that has adaptations to survive in an environment with little liquid water such as a desert,ice or snow covered region.
examples are; pineapple and gymnosperm plants.
Explanation:
xerophytes are species of plants that can live in Extreme conditions like in the desert where there is very little water or in the Alps where water is frozen water
example -cactus
which one is the unit of mass
Answer:
the SI unit of mass is Kg
Explanation:
which of the following would be considered a healthy pattern of weight gain in a pregnant woman?
Answer:
Underweight women should gain 28 to 40 pounds. And overweight women may need to gain only 15 to 25 pounds during pregnancy. In general, you should gain about 2 to 4 pounds during the first three months you're pregnant and 1 pound a week during the rest of your pregnancy.
If someone adds thousands of small fish to a lake, how would the number of big fish?
If someone
ed
change?
Answer:
If in a particular lake, thousands of small fishes are added, then the number of the larger fishes will increase. The reason for this is because in general the larger fishes are feeding on the smaller fishes, thus with the introduction of the thousands of small fishes there will be an increase in their food source.
Explanation:
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what happens to most solar radiation when it gets to earth??
Answer:
Most of the solar radiation is bounced off of earth´s atmosphere.
Explanation:
Due to earth´s magnetic field, we are able to be protected from most of the solar radiation the sun emits.
Put the steps of cloud formation in order. 1 should be the first step and 4 will be the
last step.
Rising air currents organize into "thermals"
Sunlight warms the surface and water evaporates
Warm, moist layer builds up between 1000 and 5000 feet
Water vapor in rising air parcels condenses to form clouds
The correct order in cloud formation include the following:
Sunlight warms the surface and water evaporates.Warm, moist layer builds up between 1000 and 5000 feet.Rising air currents organize into “thermals”Water vapor in rising air parcels condenses to form clouds.What is Cloud?They are generally formed high above the ground and are a visible mass of condensed watery vapour floating in the atmosphere.
The correct order in cloud formation can be seen above and is the most appropriate choice.
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The process of evolution, or genetic change over time, has resulted in the wide variety of living things that exist today. What part do mutations play in the evolution of species
Answer:
Evolution has occurred thanks to many random changes in the DNA base sequence that we call mutations. This is caused by errors in the genetic information contained in the cells - due to chemical or physical factors - and also its subsequent propagation by replication, being transcendent for evolution those that will later be transmitted to the offspring: somatic cells if reproduction it is asexual and the gametes if it is sexual. For this reason, we say that mutations are the primary source of gene variability, essential for evolution to exist. Thus, without mutations, the genetic variability that natural selection needs would not be present - in addition, such diversity is important for the population to more successfully mold (or adapt) to continuous environmental changes.
Explanation:
A mutation is a change in the information contained in the DNA of cells. The DNA of an organism influences all aspects of its life. Therefore, a change in the DNA of an organism can produce changes in all aspects of its life. The mutation increases the genetic variability of the species and contributes to the adaptation of the species to the environment and to their evolution. Viability and fertility are associated with adaptation, the total capacity of an organism to survive and reproduce. The effect of a mutation in any generation is minimal, but over time a considerable amount of variation from mutations can accumulate. Most mutations are harmful and their carriers die, but those that produce an improvement remain in the species and are essential in the evolutionary process. When mutations appear in a certain population, the genotype changes from generation to generation, appearing individuals with characteristics different from those of their predecessors. This is how the population evolves, being able to originate new species. Mutations that are detrimental to the carrier individual will be eliminated by natural selection.
What is the chemical symbol of Hydrogen?
Answer:
the symbol for hydrogen is H
An energy pyramid shows the amount of available at each feeding level in an ecosystem.
Answer:
I don't know about it. which subject and which class is this
mitosis and cell cycle definition
Answer:
mitosis definition: a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
cell cycle definition: A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division.
The grizzly bear is a mammal, belonging to phylum Mammalia and kingdom Animalia. It belongs to the genus Ursus and the species Arctos. What is the scientific name of this organism?
Ursus Arctos.........
Which two phases do the chromosomes exist as chromatin (unraveled form of chromosomes)?
Answer:
During interphase (1), chromatin is in its least condensed state and appears loosely distributed throughout the nucleus. Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5).
Explanation:
Answer:
Prophase is the first step of mitosis. This is when the genetic fibers within the cell’s nucleus, known as chromatin, begin to condense and become tightly compacted together. During interphase, the parent cell’s chromosomes are replicated, but they aren’t yet visible.
Explanation:
please thank rate and follow THis is the right answers
2. Image formed by a plane mirror is
(a) virtual and erect
(b) real and erect
(c) virtual and inverted
Answer:
a) virtual and erect
Plane mirrors are the only type of mirror for which a real object always produces an image
¿Que celula está compuesta por tres partes importantes que son la membrana celular, el citoplasma y el núcleo celula?
Answer:
Células eucarióticas
Explanation:
Todas las células poseen membrana celular, encargada de la protección de la célula de agentes externos a ella, y del intercambio de sustancias entre el interior y el exterior celular, entre otras funciones.El interior de la célula eucariótica tiene un citoplasma con organelas y citoesqueleto. Las organelas tambien estan rodeadas por membranas y cumplen diversas fnciones cada una, que se acoplan para el correcto funcionamiento de la célula. Finalmente, a diferencia de las céllas procariotas, las eucariotas tienen un núcleo que protege el material genético de la célula. En núcleo tiene una doble membrana que lo separa del citoplasma.Explain how Enzyme A acts as a catalyst in the reaction. Be sure to include energy and time in your answer.
Answer:
Enzyme A acts as a catalyst by lowering the activation energy the reaction needs in order to take place this would in turn lower the reaction time of the reaction lading to a faster reaction. when conditions around the enzyme change this may lead to the breaking of hydrogen bonds causing the active site to change in shape, this change would would lead to the substrate no longer being able to fit which would lower the rate of reaction.
Explanation:
True-breeding pea plants always
Answer:
i think the amswer is produce offspring each of which can have multiple form of trait
Question 5 (3 points)
(02.02 MC)
Which factor does not affect species richness on islands?
a
Available niches
b
Distance from mainland
c
Latitude of island
d
Longitude of island
Answer:
(C) Latitude of island
Explanation:
PLEASE HELP ME. RESULTS ARE GOING TO MY FINAL GCSE GRADE :)
Describe and explain the changes between the first and second vaccine.
Answer:
from what we see from the graph when the children had the 1st vaccine antibodies in the blood raised. then the concentration of the antibodies depleted, after the children had the second dose of the measles vaccine again, the antibodies in the children's blood raised drastically then the first dose.
Cancer is caused by out of control
Answer:
what do you mean by that?
Explanation:
Answer:
Cancer is caused by mutated, or out of control, cells
Explanation:
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Answer:
Explanation:
#5, The formula is for photosynthesis, you can tell because it produces glucose (C6H12O6) And it uses light. Circle everything after the arrow since those are the products produced by the plant.
#6 is cellular respiration because it’s turning glucose into energy. Again circle everything after the arrow!
what do you think the difference in color of strands represent are they really that color ?
Which of the following would cause an error in DNA replication?
A. DNA polymerase pairing A with G
B. DNA ligase connecting chunks of DNA
C. Helicase making a replication fork
D. DNA polymerase checking the DNA
Answer:
A. DNA polymerase pairing A with G
Explanation:
Adenine (A) always pairs with thymine (T), and cytosine (C) always pairs with guanine (G).
DNA polymerase pairing A with G would cause an error in DNA replication. The correct option is A.
An error in DNA replication occurs when an incorrect nucleotide is inserted during the replication process.
DNA polymerase is responsible for synthesizing a new DNA strand by adding complementary nucleotides to the existing template strand.
It ensures the accuracy of replication by matching each nucleotide with its complementary partner (A with T and G with C).
If DNA polymerase pairs A with G instead of A with T, it results in a mismatched base pair.
This is considered an error in DNA replication since it introduces a mutation in the newly synthesized DNA strand.
The fidelity of DNA replication relies on the correct base pairing and proofreading mechanisms of DNA polymerase to minimize errors and maintain the integrity of the genetic information.
Thus, the correct option is A.
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5. Something that might happen because of global warming is
melting polar ice caps
more reflected sunlight off the ice pack
lower sea levels
Answer:
wx
Explanation:
wx
What is the name of the enzyme that “tells” the DNA to make RNA called?
Answer: RNA polymerase is the enzyme that transcribes DNA into RNA.
Explanation:
What are disadvantages of the "Aoudad"?
PLEASE ANSWER ASAP!!
Answer:
Anecdotal reports suggest aoudad out compete native big game species for food, water, and cover as well as act as a disease reservoir on Texas landscapes. If significant overlap for resources and space are occurring among aoudad, desert bighorn and mule deer, aoudad could outcompete and outgrow native populations.
Explanation: