Answers
Considering a viable error as a mutation that remains viable for the continuation of life, we can confirm that some people have red hair through viable errors due to mutations in the genetic code.
A viable error or mutation would be any mutation that allows the cell in question to stay alive. This is because there are mutations in which key features or processes essential to life are altered.
The cells that suffer these mutations would not be able to sustain life. The mutation that causes red hair is a mutation in the gene responsible for melanin (the pigment that gives hair its color) is not one that affects an essential process.
For this reason, we can confirm that some people have red hair through viable errors given that these errors or mutations do not affect mechanisms essential to life.
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Related Questions
what makes an energy source important to the economy and has driven the selection of energy resources in the past 100 years?
Answers
There are many production and consumption activities, which is ultimately depends on energy, this leads to the economic growth.
What are energy sources?Nuclear energy, coal, wind energy, geothermal energy, biomass, and petrol, are the common energy sources used for the human purposes.
Energy is a central origin of economic growth, thus many production and consumption activities includes energy as a base input. It is one of the most important involvements for economic development.
Therefore, every human activity is ultimately depending on the energy, and these activities are key factor for the economy.
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The_ theory explains how our universe became so structured and uniform.
Answers
Answer:
The cosmological principle makes assumptions that provide scientific guidelines to enable its study. Mr. Biggins believes that the universe has been and always will look and be structured the same throughout all time.
Explanation:
The cosmological principle makes assumptions that provide scientific guidelines to enable its study. Mr. Biggins believes that the universe has been and always will look and be structured the same throughout all time.
Which of the following statements describes a major difference between mitosis and meiosis I in a diploid organism?
A) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis I.
B) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis II.
C) DNA replication takes place prior to mitosis, but not before meiosis I.
D) Only meiosis I results in daughter cells that contain identical genetic information.
Answers
Answer:
Explanation:
A) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis I.
Mitosis is a type of cell division that occurs in diploid organisms (organisms with two sets of chromosomes). During mitosis, the replicated chromosomes (consisting of two sister chromatids) are separated, and the resulting daughter cells contain an identical set of chromosomes.
Meiosis is a type of cell division that also occurs in diploid organisms, but it is used to produce gametes (sperm or eggs). During meiosis, the homologous pairs of chromosomes (chromosomes that are similar in size, shape, and function) are separated, and the resulting daughter cells contain a unique combination of chromosomes. This process occurs in two stages: meiosis I and meiosis II. In meiosis I, the homologous pairs of chromosomes are separated, while in meiosis II, the sister chromatids are separated.
Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis I. The correct answer is option A.
What remains together in the process of meiosis ?The chromatids are together while the homologous pairs are separated in the process.
During meiosis process a single round of the DNA replication is although followed by the two of the consecutive rounds of the nuclear divisions that are called as the meiosis I with the meiosis II. In process of meiosis I, the homologous chromosomes are segregated, while the sister chromatids are remaining together.
During the anaphase I, homologous chromosome pairs are separated and pulled to the opposite poles of cell by the spindle fibers that are attached to centrioles. The first cell division's process is although completed in telophase I.
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What did Hamilton smith notice in 1972
Answers
Answer:
that the phage DNA degraded over time.
Explanation:
Carlton and Vanessa are lab partners in their biology class. One of their labs was to run the smell test experiment on each other.
When performing the smell test, Vanessa was quite good at noticing a difference between the various intensities of vanilla and also
the various intensities of evergreen. Although Carlton could distinguish what the vanilla and evergreen smells were, he couldn't tell
there was a difference in the intensities in the vanilla or the evergreen. Based on the information presented in this scenario, which
of the following is true?
Vanessa has a more sensitive difference threshold than Carlton.
Carlton has an impaired absolute threshold.
Vanessa has a better absolute threshold than Carlton.
Carlton has the superior performance with respect to the difference threshold.
Vanessa has an impaired absolute threshold.
Answers
Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.
Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.
Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.
Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.
The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.
Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.
This shows that Carlton has an impaired absolute threshold.
He could not detect the smallest quantity of a stimulus to differentiate between the smells.
Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.
This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.
Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.
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Which is true about the waste produced from mining? (1 point)
1. Toxic waste occasionally leaks to nearby ponds.
2. Toxic waste is typically dumped in nearby ponds.
3. Toxic waste is typically dumped in ponds, but only in ponds that cannot influence the environment.
4. Toxic waste used to be dumped into nearby ponds, but not anymore.
Answers
Toxic waste occasionally leaks to nearby ponds. That is option 1.
Wastes from miningMining is a process used by geologist to extract valuable minerals that are naturally deposited within the earth.
Example of such minerals are:
metals and coal, oil shale and gemstones, limestone and chalk, rock salt, potash, gravel, and clay.While mining processes are carried out, it leads to the generation of waste products such as:
ferrous and nonferrous metal ores, sulfur ores, apatite-nepheline concentrates, coal wastes and halite flotation wastes.These mining wastes can leak into the nearby ponds after a heavy down pour leading to the contamination of the ponds.
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Answer:toxic waste is typically dumped in nearby ponds
Explanation:
1. What drove Paleolithic artists to make the sculptures? (Woman of Willendorf - Chapter 14)
2. What is the Egyptian canon of proportions?
4. What is Polykleitos's canon of proportions?
Answers
1. Paleolithic artists made the sculptures as fertility symbols or representations of a mother goddess or for use in religious or spiritual rituals.
2. Egyptian canon of proportions is a system of rules used to produce lifelike representations of the human form.
3. Polykleitos' canon of proportions is as a set of rules used to produce idealized representations of the human form.
What are the Egyptian canon of proportions and Polykleitos's canon of proportions?Ancient Egyptian artists used a system of rules known as the Egyptian canon of proportions to produce lifelike representations of the human form.
It is based on a grid system that divides the body into 18 equal pieces, each of which corresponds to a different measurement.
Ancient Greek sculptors employed Polykleitos' canon of proportions as a set of rules to produce idealized representations of the human form. The goal of the Polykleitos canon, which is based on the principles of symmetry, or balance and proportion, is to produce figures that are aesthetically beautiful and harmonious.
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Some theories suggest that these sculptures may have been associated with fertility and childbirth. The Egyptian canon of proportions is a set of artistic guidelines used by Egyptian artists to create realistic and proportionate representations of the human form. Polykleitos's canon of proportions is a set of artistic guidelines used by Greek artists to create idealized representations of the human form.
The motivations behind the creation of Paleolithic sculptures such as the Woman of Willendorf are not definitively known, but there are several theories. Some researchers suggest that these sculptures may have been related to fertility and childbirth, as they depict exaggerated sexual features such as large breasts and hips. The Egyptian canon specified the ideal proportions for different body parts, such as the head, arms, and legs, in relation to the overall height of the figure.
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Which one of the following codons is recognized by this tRNA?a) 5' UUC 3'b) 5' CTT 3'c) 5' CUU 3'd) 5' TTC 3'
Answers
Hello. This question is incomplete. The full question is:
A tRNA anticodon is 5' GAA 3'.
Which one of the following codons is recognized by this tRNA?a) 5' UUC 3'b) 5' CTT 3'c) 5' CUU 3'd) 5' TTC 3'
Answer:
a) 5' UUC 3'
Explanation:
Anticodons are sequences of nitrogenous bases that establish complementarity with sequences of nitrogenous bases in a codon.
As you know, mRNA has the nitrogenous bases Adenine (A), cytosine (C), guanine (G) and uracil (U). In this system, guanine is supplemented with cytosine and adenine is supplemented with uracil.
These bass are organized into codons, which are a set formed by 3 of these bases.
The tRNA has the same bases, but its codons must recognize and complement the codons of the mRNA, being then called Anticodons.
In this case, if a tRNA has the anticodon 5 'GAA 3', it must bind to codons 5 'UUC 3' in the mRNA.
How many covalent bonds does carbon typically form?
1, 2, 3, or 4
Answers
Answer:
Carbon can form four covalent bonds
Explanation:
Circulatory Respiration Digestion Skeletal Muscular Nervous Urinary Immune Reproductive a) Breaks down food into molecules which are used for energy and development. Integumentary Endocrine b) Includes bones, as well as ligaments and cartilage, which are connecting tissues. 20 MAML f) Protect the body from infection and injury. c) Make and transport sperm and egg, and enable the female to give birth. d) Exchanges oxygen and carbon dioxide between the lungs and the atmosphere. e) Includes three types of muscle tissues that provide movement for the body.
Answers
Explanation:
Circulatory - d) Exchanges oxygen and carbon dioxide between the lungs and the atmosphere.
Respiration - d) Exchanges oxygen and carbon dioxide between the lungs and the atmosphere.
Digestion - a) Breaks down food into molecules which are used for energy and development.
Skeletal - b) Includes bones, as well as ligaments and cartilage, which are connecting tissues.
Muscular - e) Includes three types of muscle tissues that provide movement for the body.
Nervous - The nervous system is not listed in the options provided.
Urinary - Urinary system is not listed in the options provided.
Immune - f) Protect the body from infection and injury.
Reproductive - c) Make and transport sperm and egg, and enable the female to give birth.
Which is the best example of commensalism?
Honey bees feed on the pollen of cornflowers and help the flowers reproduce.
Barnacles ride on a gray whale’s back to obtain food, and the whale is not harmed.
Squirrels and chipmunks eat the same nuts in a forest where food is scarce.
Prairie dogs often collect and eat food in groups so they are better protected from enemies.
Answers
The remora (Echineidae), which travels alongside sharks and other fish, is a commensal. Remoras have developed a flat, oval sucking disc structure on the surface of heads that clings to the body of their victims.
What three types of commensalism are there?Commensalism is most simply defined as a type of relationship wherein one organism benefits the other neither benefits nor is harmed. Phoresy, metabiosis, & inquilinism are the three main types of commensalism.
What makes it known as commensalism?Etymology. The word "commensalism" is derived from "commensal," and that in human interactions means "eating at a single table," & which itself has been derived via French from the Medieval Roman term "commensalis," that means "sharing a desk," from either the prefix ing, which implies "together," & mensa, which means "table" or "meal."
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Answer:
B.
Explanation:
Barnacles ride on a gray whale’s back to obtain food, and the whale is not harmed.
White blood cells are responsible for finding, engulfing and digesting invading bacteria in the body's fluids and tissue. What organelle would you expect to be in high abundance in a monocyte to aid in this function of digesting bacteria?
Answers
Answer:
In monocytes, which are a type of white blood cell, you would expect to find organelles called lysosomes in high abundance to aid in the function of digesting bacteria. Lysosomes are membrane-bound organelles that contain enzymes capable of breaking down various substances, including bacteria, through a process called phagocytosis.
Explanation:
We would expect Lysosomes to be in high abundance in a monocyte to aid in the function of digesting invading bacteria in body fluids and tissue.
Lysosomes are single membrane-bound organelles which are considered as the digestive bags of the cell. They contain a variety of hydrolytic enzymes such as proteases, nucleases, glycosidases, lipases, phospholipases, phosphatases, and sulfatases which digest molecules like carbohydrates, fats, proteins, nucleic acid etc
Monocytes are a variety of leukocytes which can differentiate into macrophages. These macrophages participate in the host immune response. When any foreign substance such as a microbe is encountered, the monocytes/ macrophages come into play and engulf it. Once engulfed, the digestion is carried out by the Lysosomes and thus the threat of infection is mitigated.
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what condition could cause somatic cells to not divide?
Answers
Answer:
Gamete cell production
Explanation:
if a somatic cell is involved in gamete production, than it cannot undergo mitosis or meiosis, which is cellular division
Hope this helps
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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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If a bee is flying in a circle at a constant speed Is the bee acceleratiy
Answers
Answer:
If a bee is flying in a circle at a constant speed, is the bee accelerating? YES, the bee is accelerating. Because acceleration is the change in velocity per unit of time, and the bee is constantly changing direction, the bee is also constantly changing velocity and is therefore accelerating.
Explanation:
Hope it helps
Answer:
Yes it is accelerating
Explanation:
I don't know if you mean accelerating but yes (In mechanics, acceleration is the rate of change of the velocity of an object with respect to time.)
What happens if you have poor cardiorespiratory fitness?
Answers
People with weak cardiorespiratory fitness have greater blood pressure than fit people. Ones with poor fitness levels had increased visceral adiposity when compared to physically fit individuals.
Physical exercise and cardiorespiratory fitness (abbreviated "fitness" in this article) are linked to decreased all-cause and cardiovascular mortality . Furthermore fitness , physical exercise can help cardiorespiratory to prevent the onset of chronic illnesses including hypertension, diabetes, stroke, and cancer.
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Composite volcanoes erupt very ____ spewing out pyroclastic material.
Answers
(Spewing out rocks,dust,gas, or other volcanic matter6
Deer mice are usually dark brown and live in forests with dark soil. However, the deer mice in the Sand Hills of Nebraska are lighter brown and live in an area with light, sandy soil.
Based on this information, what ,begin emphasis,most,end emphasis, likely caused the change in the Sand Hills deer mice?
Answer options with 4 options
A.
Lighter colored mice were preferred by females.
B.
Lighter colored mice came from snowy habitats in the north.
C.
Lighter colored mice had more dominant genes in their new habitat.
D.
Lighter colored mice were more likely to avoid predators and to reproduce.
Answers
Lighter colored mice were more likely to avoid predators and to reproduce. Therefore, option (D) is correct.
The lighter brown coloration of the deer mice in the Sand Hills of Nebraska is likely an adaptation that provides them with a survival advantage in their specific habitat. The light, sandy soil in the area may offer better camouflage for lighter colored mice, making them less visible to predators and increasing their chances of survival.
As a result, these mice would have a higher likelihood of successfully reproducing and passing on their lighter coloration traits to future generations.
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Why do meteors light up in the atmosphere?
Answers
Answer:
When a meteoroid enters the Earth's upper atmosphere, it heats up due to friction from the air. The heat causes gases around the meteoroid to glow brightly.
Explanation:
Select the correct location on the image.
Which part of the image shows a reproductive structure that forms offspring that are genetically distinct from its parents?
Answers
there is no image that shows a reproductive structure
Answer: The Answer is the Flower
Explanation: I got it right on Edmentum, hope this helps.
I scored myself by accident but it is right.
Why might using other sources of power, like wind and solar energy, help to slow global warming? A. All types of energy cause global warming to increase. B. Wind and solar energy require heat from the sun, which would lower global temperatures. C. Wind and solar energy do not require the use of fossil fuels. D. Wind and solar energy use carbon dioxide, which would help remove it from the atmosphere.
Answers
Answer:
c
Explanation:
fossil fuels release greenhouse gasses into the atmosphere, not using them would end a lot of that pollution, thus lowering global warming
5. A logging company cut down all the large spruce trees in an area of forest. After the area was cleared, spruce seedlings began to sprout. Rabbits, birds, and deer returned to the area.
Answers
The missing part of the question is -
" Is this Primary or Secondary Succession?"
Answer:
The correct answer is - secondary succession.
Explanation:
Recolonization of the plant and animals to habitat after a major disturbance such as flood, lava eruption, wildfire, or human disturbance is characterized as secondary succession.
In this particular case, there is secondary succession occurs, there is man-made disturbance tajes place as logging company clear the spruce trees from a habitat, and after clearing the land the spruce seedlings began to sprout, birds, rabbits recolonize to the area.
List down (five) 5 daily activities that use water. Opposite of it, write a sentence showing how water is
conserved in each activity.
Answers
Answer:
cooking.
watering.
washing plates.
washing clothes.
taking a bath.
Hot water at a hand-washing station should reach at least _____ degrees F.
100
100
116
116
140
140
38
Answers
Water temperature for handwashing should be at least 100˚F (38˚C) , option "A" Helps it removes oils from the hand that can hold bacteria
Lather your hands by patting them together with the soap. Lather the backs of your hands, between your fingers, and under your nails. Scrub your hands for minimum 20 seconds.
Thus, option "A" is correct, Water temperature for handwashing should be at least 100˚F (38˚C).
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An object is moving east, and its velocity changes from 65 m/s to 25 m/s in 10 seconds. Which describes the acceleration?
8
4 m/s2 in negative acceleration
4 m/s2 in positive acceleration
9 m/s2 in positive acceleration
9 m/s in negative acceleration
Save and Exit
Next
SED
Mark this and return
Answers
Answer:
4 m/s2 in negative acceleration
Explanation:
From the question.
Acceleration= change in velocity ÷ time.
V1-V0÷time.
That is final velocity minus initial velocity divided by time.
25-65÷10.
-40/10=4m/s.
The acceleration is -4m/s.
The answer is 4m/s negative acceleration.
Answer:
A
Explanation:
Got it right when submitted
hy please make some questions from this passage please i want to ask my students thank you
Answers
Explanation:
1) Write the balanced chemical equation of photosynthesis.
2) What is the role of chlorophyll in the process of photosynthesis?
3) What happens to the light energy that is absorbed by the chlorophyll?
Explain why your evidence (what you wrote in Box 2) supports your claim (what you wrote in Box 1). Also, explain the scientific principles behind your reasoning. Remember to provide enough detail so that a friend who did not do the experiment could learn from your description.
Answers
The justification for why the statement is supported by the evidence is provided by the argument. Included should be a summary of the fundamental scientific hypothesis that gave birth to the evidence or data.
What is an example-based argument?
By using specific instances as a basis, a sound conclusion may be drawn. In this approach, the specific instances 1, 2, and 3 lead to a broad generalization about the overall problem. My Sony television, audio system, car radio, and video system, for instance, are all in fine working order.
What is clarified by logic?
The rationale explains "why" and "how" the facts support the claim. Included should be a summary of the fundamental scientific hypothesis that gave birth to the evidence or data.
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How was the rotation rate of Jupiter's core determined?
-by observing the Great Red Spot
-by watching lo move across the disk of Jupiter
-by radio observations of Jupiter's rapidly spinning magnetosphere
-by measuring the oblateness of Jupiter's disk
Answers
Answer:
C. by radio observations of Jupiter's rapidly spinning magnetosphere
Explanation:
Jupiter refers to one of the planetary bodies in the solar system. It is considered to be the largest (twice as large or big as every other combined) planetary body and the fifth (5th) from the Sun.
Jupiter is a planet that rotates rapidly and as a result it is referred to as being noticeably oblate. It has the fastest rotation rate among the planets of the solar system because it completes a rotation about an axis in 9.9 hours.
The rotation rate of Jupiter's core was determined by radio observations of Jupiter's rapidly spinning magnetosphere.
As a population grows past the ecosystem's carrying capacity the size of the population will (blank) until the size of the population stabilizes at a constant level.
What is the blank??
thx!
Answers
Sustainable practices can help us protect the environment while still meeting our basic needs. True or False?
Answers
Answer:
true
because due to sustainable development we can
meet our needs.as saving the enviromment
True. Sustainable practices can help us protect the environment while still meeting our basic needs.
Sustainable practices and the environmentSustainable practices involve utilizing resources in a way that meets present needs without compromising the ability of future generations to meet their needs.
By adopting sustainable practices, we can ensure that we protect the environment, conserve resources, and maintain ecological balance while still satisfying our basic requirements for food, water, shelter, and other necessities.
This approach aims to create a harmonious balance between human activities and the health of the planet.
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