The statement "a mutation is the result of a copy error or omission in the genes during reproduction." is false because a mutation is not solely the result of a copy error or omission in the genes during reproduction. While copy errors, known as replication errors, can lead to mutations, they are not the only cause.
Mutations can occur due to various factors, including exposure to certain chemicals or radiation, errors during DNA repair mechanisms, spontaneous changes in the DNA sequence, and external factors such as environmental influences. Mutations can also be inherited from parents or arise in germ cells during gamete formation.
Copy errors or omissions during DNA replication are a type of mutation called point mutations, where a single base pair is altered or lost. However, mutations can also involve larger-scale changes such as insertions, deletions, duplications, or rearrangements of DNA segments.
It's important to note that not all mutations are detrimental or harmful. Some mutations can be neutral or even beneficial, leading to genetic diversity and driving evolution. However, mutations can also be associated with genetic disorders, diseases, or increased susceptibility to certain conditions.
In summary, while copy errors during reproduction can contribute to mutations, they are just one of several factors that can cause genetic changes.
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Just a random question cuz why not? Brainliest to whoever answers correctly!
What is the difference between biology and chemistry?
Answer:
Biology is science about life and how it survives, breeds, and dies,
Whereas chemistry is about chemical concoctions such as sulfuric acid.
I need help with this
Answer:
what is the name of this website
or the book?
Identify the products of cellular respiration.
Answer:
Water and carbon (IV) oxide
Which pair of microscope views represents a eukaryotic cell and prokaryotic cell?
Answer: it might Be C or B
Explanation:
Materials are returned to the blood from the filtrate by which of the following processes?
A. filtration
B. selective reabsorption
C. excretion
D. secretion
Selective reabsorption is the method through which components from the filtrate are transferred back into circulation. The correct answer is (B).
In the renal tubules of the kidneys, selective reabsorption takes place when urine is formed. The first stage of filtering takes place in the renal corpuscle, where blood is filtered into the renal tubules through the glomerular filtration barrier. As a consequence, a filtrate made up of water, ions, nutrients, and waste products is created.
Not every component in the filtrate, though, is a waste product that must be removed from the body. In order to sustain homeostasis, certain molecules, including glucose, amino acids, vitamins, and certain ions, must be reabsorbed into the circulation. Active or passive transport of these beneficial compounds from the filtrate in the renal tubules back into the peritubular capillaries surrounding the tubules is involved in selective reabsorption. This procedure aids in preserving vital chemicals and preventing the loss of urine.
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Whoever gets it right i will mark brainest
Answer:
For Desssert: C
For Taiga: A
For Tropical Rainforest: B
Explanation: Because desserts are very hot, we know that there aren't much plants due to the lack of rain/water, they're dry. Rainforests have lots of plants, so it's not B, and since the dessert is high temperature, A is obviously off the list.
Taiga is cold so it won't be good for soil and the plants won't grow as good as the wet rainforest so we can pick A. Then B for #2
which of the following element is not present in proteins
Answer:
Protein: a compound made of amino acids. Each amino acid is made of carbon, hydrogen, oxygen, and nitrogen. Most proteins also include sulfur.
Which means the only choice left is helium
i hope this is the answer you are looking for
Where are the best geothermal resources located in the U.S?
A. West Coast
B. East Coast
C. South
D. Midwest
help me help me help me help me help me please please
the west coast
Explanation:
yeah it mostly likely that
assuming that the population was in HWE for the G locus, what percentage of moths in the natural population was white in 1962?
A. 2%
B. 4%
C. 8%
D. 20%
E. 64%
The percentage of white moths in the natural population in 1962, assuming the population was in Hardy-Weinberg equilibrium (HWE) for the G locus, is 20% (option D).
In Hardy-Weinberg equilibrium, the allele frequencies remain constant from generation to generation if certain conditions are met. For a single locus with two alleles, such as the G locus in this case, the equilibrium frequencies are p^2 for the homozygous dominant genotype (G/G), 2pq for the heterozygous genotype (G/g), and q^2 for the homozygous recessive genotype (g/g), where p and q are the frequencies of the two alleles.
If we assume that the white allele (g) is recessive and the brown allele (G) is dominant, and the percentage of white moths in 1962 is represented by q^2, then the value of q^2 is 20% or 0.20. Taking the square root of 0.20 gives us the frequency of the white allele (q), which is approximately 0.447. Since q represents the frequency of the recessive allele, the percentage of moths in the population that are white is approximately 44.7%, which is closest to option D (20%).
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Researchers allow bees to feed from a feeder located 500 meters due south of the hive for several days in a row. They then place a new feeder due south of the hive and place feeders in several other directions from the hive as well, but all are now 450 meters from the hive. They leave the original feeder empty. Next, they determine which feeders that new bees from the hive now visit. What information can they learn from this experiment alone
Answer:
they can learn if Bees are able to calculate distance and direction or if they simply stick to what they know.
Explanation:
From this experiment they can learn if Bees are able to calculate distance and direction or if they simply stick to what they know. Since they have been accustomed to feeding from the feeder that is south they may continue to do so, but since it is not the farthest from the hive and there are other feeders located closer they may chose the new feeder. If they do decide to change feeder, then it tells the researchers that the Bees are able to calculate the distance and know that the new feeders are closer, while which feeder they choose might give them information on how bees determine direction.
Which of the following best explains why ligase is required for DNA replication?
Ugase facilitates the binding of RNA polymerase to the promoter region.
Ligase enables the newly synthesized DNA to twist into a double helix
Ligase forms the hydrogen bonds between complementary bases in the two strands of DNA
The lagging strand cannot be replicated continuously, and ligase is needed to join the fragments
The lagging strand cannot be replicated continuously, and the need for ligase to join the fragments best explains why ligase is necessary for DNA replication. Here option D is the correct answer.
DNA replication is the process by which a cell duplicates its DNA prior to cell division. It involves the synthesis of two new strands of DNA, the leading strand, and the lagging strand. The leading strand is synthesized continuously in the 5' to 3' direction, whereas the lagging strand is synthesized in short fragments called Okazaki fragments.
The lagging strand is synthesized in the opposite direction of DNA unwinding, making it necessary to synthesize it discontinuously. As the replication fork progresses, short Okazaki fragments are synthesized in the 5' to 3' direction away from the replication fork. However, these fragments are not yet connected to form a continuous strand.
This is where ligase comes into play. Ligase is an enzyme that plays a crucial role in DNA replication by catalyzing the joining (ligation) of the Okazaki fragments on the lagging strand. It forms phosphodiester bonds between adjacent nucleotides, sealing the gaps between the fragments and creating a continuous, double-stranded DNA molecule.
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Complete question:
Which of the following best explains why ligase is required for DNA replication?
A - Ugase facilitates the binding of RNA polymerase to the promoter region.
B - Ligase enables the newly synthesized DNA to twist into a double helix
C - Ligase forms the hydrogen bonds between complementary bases in the two strands of DNA
D - The lagging strand cannot be replicated continuously, and ligase is needed to join the fragments
What are chromosomes?
a.)
A condensed form of DNA that occurs when the cell is dividing
b.)
A form of uncondensed DNA found within the nucleus of the cell
c.)
A structure found within the nucleus that produces subunits of ribosomes
d.)
A cell organelle that houses the DNA and controls activity within the cell
A condensed form of DNA that occurs when the cell is dividing, option (a) is correct.
Chromosomes are condensed structures of DNA that occur when the cell is dividing. During cell division, DNA molecules undergo a process of condensation and coiling, resulting in the formation of visible chromosomes. These structures contain genetic information in the form of genes. Chromosomes ensure that genetic material is evenly distributed to daughter cells during cell division.
They consist of a central region called the centromere, which plays a role in the separation of chromosomes during cell division, and two arms known as chromatids. Each chromatid contains a copy of the DNA molecule. Chromosomes are temporary structures that revert back to an uncondensed form of DNA called chromatin during interphase, the non-dividing phase of the cell cycle, option (a) is correct.
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Match the following terms with the correct definition. Arterioles Arteries Capillaries Venules Veins Small vessels that carry blood away from the heart to the capillaries are __________. Muscular-walled vessels that carry blood away from the heart are _______. One-cell-thick microscopic vessels that function to exchange nutrients and wastes are _________. Small vessels that connect to the capillaries that carry blood back to the heart are ________. Vessels that carry blood back to the heart are _________.
Answer:
Small vessels that carry blood away from the heart to the capillaries are Arterioles. Muscular-walled vessels that carry blood away from the heart are Arteries. One-cell-thick microscopic vessels that function to exchange nutrients and wastes are Capillaries. Small vessels that connect to the capillaries that carry blood back to the heart are Venules. Vessels that carry blood back to the heart are Veins.
Explanation:
We have different types of vessels in our bodies. We can divide them by their size and structure. Starting from the ones that carry blood away from the heath, we have the arteries. Arteries are vessels of big diameter that have muscle around them. Then, the arteries branch into arterioles, which have a smaller diameter. The arterioles branch into capillaries. These are small vessels with thin walls that allow the exchange of nutrients, wastes, and gases with the neighboring tissues. Once that the blood flows through the capillaries, it goes to the venules, which are small veins that will carry the blood to the veins and these to the heart. The veins do not have muscles in their structures, and their walls are thinner than the ones in the arteries.
28. Eubacteria can be distinguished from archaebacteria by
a.The presence of a true nucleus
b. Being multicellular
Difference in the makeup of cell wall
d. The presence of organelles
Answer: D
Explanation:
i am sorry if this is wrong
A research scientist writes a paper on the initial regrowth of a forest after a fire has damaged the entire ecosystem. Which title would be best for the paper?
The title that should be best for the paper should be considered as the Regrowth after Fire
What is an ecosystem?An ecosystem comprise of the all organism and the physical environment where they could be interacted with each other.
It should be biotic and abiotic component that should be interconnected via nutrient cycles and the flow of energy.
So as per the given situation, the Regrowth after Fire should be considered as the best title.
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Renal arteries and veins supply the kidneys with ____________
A. Medulla
B. Blood
C. Oxygen
D. Carbon dioxide
Answer:
They are supplied with blood
Explanation:
Hope this helps
Answer:
B. Blood
Explanation:
8th grade science plsss answer
Answer:
Type the question
Explanation:
I can't see
Answer:
me neither
Explanation:
Help please <3 Thank you
Answer:
The answer is C
:::::::::::::::::::
How do you suppose changes in DNA lead to speciation
Answer:
The correct answer is - change in DNA is called mutation which is essential for evolution including speciation.
Explanation:
A mutation is a change in the genetic or hereditary material which is DNA. A mutation is the main reason behind the evolution of the organism or species and speciation can be led by evolution, which takes place by results in the accumulation of many small changes in DNA or genetic changes in a population over a long period of time.
Mutations that change in DNA are required for the evolution process they are the raw material of genetic variation. without changes in hereditary material, there is no speciation or evolution possible.
how do animals contribute to the carbon cycle
Answer:
hope it helps have a nice day
Answer: All animals, from humans to the dinosaurs are part of the carbon cycle. When animals eat food, they get carbon in the form of carbohydrates and proteins. The carbon combines with oxygen to form carbon dioxide [CO2] and is released back into the atmosphere as a waste product when animals breathe and exhale.
In girls, body _______ increases as their mammary glands increase in size,whereas boys become leaner
Answer:
body *fat*
Explanation:
I know this is very late but hopefully this'll help someone else. If you're using PLATO this should be the answer as in the assignments this is the word used in the text.
Which fossil in the rock layers below is probably the oldest? Explain your answer.
Answer:
Fossil C
Explanation:
Lowest under ground, more time passed.
pls help I will give brainiest!!
what environmental problem does sulphur dioxide cause?
Answer:
When sulfur dioxide combines with water and air, it forms sulfuric acid, which is the main component of acid rain. Acid rain can: cause deforestation. acidify waterways to the detriment of aquatic life
Explanation:
Answer:
deforestation
Explanation:
When sulfur dioxide combines with water and air, it forms sulfuric acid, which is the main component of acid rain. Acid rain can: cause deforestation. acidify waterways to the detriment of aquatic life.
Which of the following is a correct representation of secondary
succession?
A. bare rock -> lichens + mosses -> grass -> shrubs -> trees
B. trees -> shrubs
-> flowers -> grass
C. soil -> grass -> shrubs -> trees
D. grass -> bare rock -> soil -> trees
which statement best describes a cause and its effect during the process or muscle contraction?
Answer. The most appropriate statement that is explaining the effect and cause during muscle contraction is. “The release of calcium ions causes myosin and actin to attach to each other.” The activation of muscles helps in the generation of muscles that send out the signals to the neurons.
hope this helps
a. what is theodor heinrich boveri noted for discovering? (1 point)
Answer:
chromosomes are separate, continuous entities within the nucleus of a cell.
Explanation:
Answer:
Theodor Heinrich Boveri (12 October 1862 – 15 October 1915) was a German zoologist, comparative anatomist and co-founder of modern cytology. He was notable for the first hypothesis regarding cellular processes that cause cancer, and for describing chromatin diminution in nematodes.
1081_Cellular En
How are cellular respiration and photosynthesis related, in terms of energy?
The energy captured in photosynthesis is used to power cellular respiration.
The energy transformed in cellular respiration is used to power photosynthesis.
Photosynthesis and respiration performt the same task in terms of energy transformation.
Energy is not involved in either photosynthesis or cellular respiration.
ОО
Answer:
D, or the last one stating that energy is not involved.
Explanation:
You can look it up to check, but D is the right answer.
Digestive enzymes in your stomach and intestines help digest the food you eat. If you are lactose intolerant and cannot digest milk products, it is the result of a mutated message in your...
Group of answer choices
lysosomes
nucleolus
chromosomes
X and Y chromosome
Answer:
chromosomes
Explanation:
that is what your genes are located in
Name 4 morphological and 2 behavioral traits that can distinguish between a seal and a sea lion.
Answer:
#HEY MATE HERE IS YOUR ANSWER#
Explanation:
Both seals and sea lions, together with the walrus, are pinnipeds, which means "fin footed" in Latin.
But seals' furry, generally stubby front feet — thinly webbed flippers, actually, with a claw on each small toe — seem petite in comparison to the mostly skin-covered, elongated fore flippers that sea lions possess.
Secondly, sea lions have small flaps for outer ears. The "earless" or "true" seals lack external ears altogether. You have to get very close to see the tiny holes on the sides of a seal’s sleek head.
Third, sea lions are noisy. Seals are quieter, vocalizing via soft grunts.
Fourth, while both species spend time both in and out of the water, seals are better adapted to live in the water than on land. Though their bodies can appear chubby, seals are generally smaller and more aquadynamic than sea lions. At the same time, their hind flippers angle backward and don't rotate. This makes them fast in the water but basic belly crawlers on terra firma.
Sea lions, on the other hand, are able to "walk" on land by rotating their hind flippers forward and underneath their big bodies. This is why they are more likely to be employed in aquaria and marine shows.
Finally, seals are less social than their sea-lion cousins. They spend more time in the water than sea lions do and often lead solitary lives in the wild, coming ashore together only once a year to meet and mate.
Sea lions congregate in gregarious groups called herds or rafts that can reach upwards of 1,500 individuals. It's common for scores of them to haul out together and loll about in the sand, comprising an amorphous pile in the noonday sun.
What is pisciculture?
Answer:
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The breeding, rearing, and transplantation of fish by artificial means is called pisciculture, in other words, fish farming. It is the principal form of aquaculture, while other methods may fall under mariculture. It involves raising fish commercially in tanks or enclosures, usually for food