state two differences between DNA and RNA in each give two examples
Answers
Answer:
Hope this helps you. I am very sorry for my handwriting .
Related Questions
The amount of matter (atoms) in an object. ______ never changes, but weight can change.
roup of answer choices
Weight
Height
Gravitational Potential Energy
Mass
Answers
Answer:
c
Explanation:
in the reproduction of the zygomycetes, what do the fused gametangia become? multiple choice question. a zygosporangium sexual spores gametangia asexual spores
Answers
The life cycles of zygomycetes alternate between asexual and sexual phases. Mitosis produces spores from haploid sporangia during the asexual phase.
The gametangia and zygospore participate in what type of reproduction?The process of sexual reproduction known as gametangial copulation results in the generation of zygospores. There are certain species that are homothallic, whereas others are heterothallic and have a bipolar mating type system.
What is the zygomycete reproductive process?Asexual reproduction is the norm for zygomycota, which produce sporangiospores. In times of unfavourable environmental conditions, zygomycota sexually reproduce. Two opposing mating strains must fuse or conjugate in order to reproduce sexually. This sharing of genetic material results in the formation of zygospores.
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from superior to inferior, what are the 3 midline arteries coming off the abdominal aorta that supply the abdominal organs?
Answers
From superior to inferior, the three midline arteries that come off the abdominal aorta and supply the abdominal organs are: Celiac trunk, Superior mesenteric artery and Inferior mesenteric artery.
The celiac trunk is the first branch of the abdominal aorta and supplies the foregut, including the stomach, duodenum, liver, pancreas, and spleen. The superior mesenteric artery supplies the midgut, including the jejunum, ileum, cecum, appendix, and part of the colon.
The inferior mesenteric artery supplies the hindgut, including the remaining part of the colon, rectum, and anus. These three arteries play a critical role in providing blood flow and nutrients to the various abdominal organs, and any disruption to blood flow through these arteries can result in serious health problems.
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A person can eat when hunger is absent because: a. the conscious mind of the cortex can override the body's signals b. the digestive tract sends messages to the hypothalamus c. the hypothalamus signals the availability of food in the environment d. the stomach intensifies its contractions and creates hunger pangs e. the glands start supplying epinephrine to the brain
Answers
Answer:
a. the conscious mind of the cortex can override the body's signals
Explanation:
Physiologically the satiety center in the hypothalamus control hunger is the lateral hypothalamus,while the ventral hypothalamus ensures satiety,urge to stop eating.Therefore the sensation to eat is involuntary. Mammalian brain is made up of the higher brain centers,located in the Cerebral cortex. These are regions of the brain used for judgemental cases,and conscious reasons to meet the demand for immediate needs.
Once the urge of thirst and hunger has been met,the satiety center stimulation is stopped.However,if one wishes to eat despite the stimulation of the hunger center,The crave for this is control by the conscious cerebral cortex,which allow the person to make the decision,without the involuntary region of the brain.
Hence the need to it is no longer done for nourishment,but rather to meet up or carried out the habits of fulfilling the passion to eat.
describe how the mutation in the lyst gene became common in the polar bear population. if the lyst gene were the only determinant of fur color, predict the percent of white offspring produced by a mating between a polar bear and a brown bear
Answers
The mutation in the lyst gene that causes the white fur in polar bears likely became common in the population through a process called genetic drift. This occurs when certain alleles (versions of a gene) become more common in a population by chance rather than natural selection. In the case of polar bears, the white fur mutation may have provided some advantage in their arctic environment, such as camouflage during hunting or thermal insulation.
However, the lyst gene is not the only determinant of fur color in bears. Other genes also play a role in determining the color and pattern of a bear's fur. Therefore, if a polar bear and a brown bear were to mate, the percentage of white offspring produced would depend on the specific alleles that each parent carries for these other genes. It is difficult to predict an exact percentage without more information about the genetic makeup of the parents.
The mutation in the LYST gene became common in the polar bear population through the process of natural selection. This gene mutation results in white fur, which provides polar bears with better camouflage in their Arctic environment, increasing their chances of survival and reproduction. Over time, the frequency of the LYST gene mutation increased in the population as individuals with white fur were more successful at passing on their genes to the next generation.
If the LYST gene were the only determinant of fur color, the percent of white offspring produced by a mating between a polar bear and a brown bear would depend on the specific genetic makeup of each parent. Assuming one parent has two copies of the white fur allele (WW) and the other has two copies of the brown fur allele (BB), their offspring would inherit one allele from each parent, resulting in a genotype of WB for all offspring. In this scenario, 100% of the offspring would have white fur, as the presence of the W allele would be dominant over the B allele.
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The first life on Earth was very likely
- celled,
Answers
Answer:
prokaryotes
Explanation:
prokaryotes where the earliest life forms ,simple creatures that fed on carbon compounds that were accumulating an Earth's early.slowly other organisms evolve that use the sun's energy along with compounds such as sulfides to generate their own energy.
Identify the city with each pair of coordinates?
A. 0, 78 W
B. 51 N, 0
C. 38 S, 145 E
Answers
Answer:
65
Explanation:
+ 0+797+8975488_7689(97-88(x756= c
Ways to prevent stomach diseases?
Answers
Answer:
Ways to prevent stomach diseases are as given below:-
Chew food thoroughly, and don't overeat.
Avoid raw shellfish if you're not sure the source is a safe one.
Limit your intake of fats and alcohol.
Get plenty of fluidsExercise daily.
Exercise daily.
Avoid foods that cause gas.
Avoid sweeteners that cause gas such as fructose and surbiton
1. Avoid raw food
2. Avoid junk food as far as possible
3. Don't eat too much spices
4. Don't overeat
5. Exercise daily
You find a species that appears to be unicellular. It appears to be non-motile and after further
examination you find it does not have the ability to perform photosynthesis. Under a microscope you find that the cell has a nucleus. Which kingdom(s)
would this organism be classified as?
Answers
In synaptic transmission, several neurotransmitters are released from the sending neuron and some of these are captured by the receiving neuron. Any neurotransmitter that remains is then degraded or reabsorbed into the transmitting neuron. Can you imagine the consequences of an abnormal degradation or reabsorption of neurotransmitters? What happens if neurotransmitters are persistently available in the synaptic space?
Answers
The receptor that are receiving persistent neurotransmitters will be in a continuous state of excitation which can be harmful.
What are neurotransmitters?The chemical substances that is mandatory for the transmission of signals in the body is referred to as neurotransmitters.
Any remaining neurotransmitter is subsequently destroyed or reabsorbed into the transmitting neuron.
The receptor that are receiving persistent neurotransmitters will be in a continuous state of excitation which can be harmful.
Thus, it is necessary that the neurotransmitters gets reabsorbed if in excess.
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Which of these pairs does not correctly match a carbohydrate with its function?
Answers
Of the available options, the first one states that cellulose is a structural part of the hair, this is not correct for several reasons, first cellulose is a biopolymer characteristic of cellular walls in plants, and it's not present in animal cells, secondly human hair is formed mainly of keratin a protein, therefore their basic units are amino acids, not carbohydrates. Therefore taking this into consideration, the correct answer is option 1.
can you think of any other kinds of analogous characteristics? write down two examplesremember analogous characteristics often have the same function but have different evolutionary origins and therefore will have different structures.
Answers
The flippers of penguins and dolphins, the eyes of octopuses and other mammals, sweet potatoes, and potatoes are all examples of organs that are analogous to one another.
Bird and insect wings: Insects and birds both have wings that let them fly, but their structures are different and they developed independently. Bird wings are made out of plumes and have a skeletal construction, while bug wings are slight and membranous, with veins that help them. In spite of these structural differences, both birds and insects use their wings to provide lift and enable flight.
Eye of Octopus and Warm-blooded Animals: Octopuses and warm-blooded creatures both have eyes that are very much adjusted to their separate surroundings, yet their eyes advanced freely and have various designs. Octopus eyes have a solitary focal point and are situated outwardly of their head, while vertebrate eyes have a complex interior design with various focal points. In spite of these structural differences, both octopuses and mammals use their eyes to detect and process visual information.
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How does ATP structure relate to its function?
Answers
Answer:
The structure of ATP is a nucleoside triphosphate, consisting of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups. ATP is commonly referred to as the "energy currency" of the cell, as it provides readily releasable energy in the bond between the second and third phosphate groups.
If there is no oxygen present, a cell can make 2 ATP from one glucose molecule.
True
False
Answers
Which of the following is not a function of a plant root?
a)stores photosynthesis products
b)Absorbs water and minerals from soil
c)Anchors a plant in the soil
d)carries out photosynthesis
Answers
Population growth
project: analyzing factors that affect carrying capacity and biodiversity
i need a hypothesis
Answers
A potential hypothesis for analyzing factors that affect carrying capacity and biodiversity in a population growth project could be: "If the carrying capacity of a particular ecosystem is exceeded due to increased population growth, then biodiversity within that ecosystem will decrease as resources become more limited and competition among species increases."
This hypothesis suggests that the ability of an ecosystem to sustain a certain number of individuals is directly related to the diversity of species present. By analyzing factors such as resource availability, habitat fragmentation, and species interactions, researchers can better understand how population growth impacts the overall health and stability of ecosystems.
A possible hypothesis for your population growth project could be: "In an ecosystem, the carrying capacity and biodiversity are significantly influenced by factors such as resource availability, competition, and predation. As these factors change, the population growth rate and overall biodiversity will either increase or decrease accordingly."
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b. excluding the possible rare polycistronic message, how can a single mrna molecule in a eukaryotic cell produce proteins with different activities?
Answers
A single eukaryotic gene can give rise to multiple different proteins due to alternative slicing mechanisms and different promoters.
What is eukaryotic gene?A typical eukaryotic gene consists of a series of sequences found in the mature mRNA (called exons) interrupted by introns. Intergenic regions are also not expressed, but they help chromatin assembly and may contain promoters.Eukaryotic gene is linear, condensed into chromosomes by histones, and telomeres at both ends to protect it from decay. Prokaryotes contain circular DNA in addition to smaller transmissible DNA plasmids.Eukaryotic gene consists of mitochondrial DNA in addition to nuclear DNA. Unlike prokaryotic cells, eukaryotic gene can regulate gene expression at different levels. Eukaryotic gene expression begins with controlling access to DNA. This form of regulation, called epigenetic regulation, occurs before transcription is initiated.To learn more about eukaryotic gene from the given link :
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Which of the following can occur at breaks in the earth's crust?
A
mountain ranges
B.
earthquakes
C.
All of the above
D.
volcanoes
Answers
Answer:
C
Explanation:
Breaks are called faults, and the 2 tectonic plates at the fault move and they can squeeze together to form a mountain. They can also form earth quakes like that. Volcanoes can be formed by 2 tectonic plates that move apart
During the war a jet pilot does not obey the order to droop a bomb on a vilage because there are civilans which stage of moral development does kohlberg believe the pilot subscribe to
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Kohlberg's principle of ethical improvement is a principle that makes a speciality of how youngsters broaden morality and ethical reasoning.
Kohlberg's principle shows that ethical improvement takes place in a chain of six stages. The principle additionally shows that ethical common sense is typically targeted on in search of and preserving justice.
For example, if a determine asks their infant to finish a chore across the house, the kid can also additionally ask what the gain might be to them. Parents frequently understand the “you scratch my lower back and I'll scratch yours” mind-set at this degree and provide a reward, consisting of an allowance.
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how is the overexploitation of resources in an environment likely to affect future generation.
Answers
1. Depletion of Resources: Overexploitation can lead to the depletion or exhaustion of natural resources, such as forests, fish stocks, or fossil fuels. This can limit the availability of these resources for future generations, impacting their ability to meet their needs and potentially causing economic and social challenges.
2. Ecological Imbalance: Overexploitation can disrupt ecosystems and biodiversity. It can result in the loss of species, habitat destruction, and alteration of natural processes. Future generations may inherit a less diverse and imbalanced environment, with negative consequences for ecosystem services, such as pollination, clean water, and climate regulation.
3. Environmental Degradation: Overexploitation often leads to environmental degradation, such as deforestation, soil erosion, or water pollution. These degraded environments may pose challenges to future generations, affecting their health, livelihoods, and overall quality of life.
4. Climate Change Impact: Overexploitation of resources, especially those related to energy production, can contribute to climate change. The increased emission of greenhouse gases and the release of stored carbon can have long-lasting effects on the climate system. Future generations may face more severe climate-related challenges, such as extreme weather events, rising sea levels, and disrupted ecosystems.
Overall, the overexploitation of resources in an environment threatens the well-being and sustainability of future generations. It is crucial to adopt sustainable practices, conservation measures, and responsible resource management to mitigate these impacts and ensure a better future for all.
Answer:
Hey there! Understanding the importance of natural ecosystems is super important. They play a big role in helping plants and animals grow and survive. But if we don't take care of them, we could face some serious consequences like global warming, food shortages, climate changes, and mineral depletion. Let's all do our part by recycling, reusing materials, and supporting conservation efforts. Together we can make a difference!
when you combine two or more substances and something new is created that is an example of
A) MATTER
B) PHYSICAL PROPERTIES
C) CHEMICAL CHANGE
D) PHYSICAL CHANGE
Answers
This is C)chemical change
For example combustion where an organic compound is turned into CO2 and water.
That nature contributes to the supply of clean water is an
example of:
Choose one option:
Sustainability
Ecosystem services
Biomimicry
Industrial symbiosis
Answers
Ecosystem services is an example of how nature contributes to the supply of clean water. Ecosystem services are benefits that people obtain from ecosystems. They are distinguished into four categories: provisioning, regulating, cultural, and supporting services.
Ecosystem services include the provision of clean air and water, the pollination of crops, the mitigation of natural disasters, and the provision of recreational opportunities. Nature provides a variety of ecosystem services that are essential to human well-being. The supply of clean water is an example of ecosystem services. The water we drink comes from rivers, lakes, and underground aquifers that are replenished by rain and snowmelt.
These freshwater ecosystems not only provide us with water but also with food, fiber, and recreation opportunities. That nature contributes to the supply of clean water is an example of ecosystem services. Ecosystem services are benefits that people obtain from ecosystems.
The supply of clean water is one such service provided by nature, and it is essential for human well-being. The water we drink comes from rivers, lakes, and underground aquifers that are replenished by rain and snowmelt. These freshwater ecosystems not only provide us with water but also with food, fiber, and recreation opportunities.
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-use the genetic code chart below to translate the mRNA sequence in number 23.
-The sequence of an organism is called its__
-The human genome project was a collaboration of collaboration of several scientist to ___ the human genome
-Label the mRNA, tRNA, and rRNA
-What type of bond holds amino acids together to form a protein.
Answers
The sequence of an organism's DNA is called its genome. The human genome project was a collaboration of collaboration of several scientist to sequence the human genome.
You would need to use the genetic code chart, which asigns a specific number to each codon (three nucleotides) in the mRNA, to convert the mRNA sequence into numbers. Simply read the three nucleotide segments of the mRNA sequence, locate the corresponding codon in the chart, and record the corresponding number. For example, the codon AUG codes for amino acid methionine.
The letters mRNA, tRNA, and rRNA stand for messenger RNA, transfer RNA, and ribosomal RNA, respectively. mRNA transports genetic data from DNA to the ribosome, where tRNA and rRNA transform it into protein. Peptide bonds are the chemical bonds that hold amino acids together to form proteins.
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List four functions of the muscular system.
Answers
The main functions of the muscular system are as follows:
1. Mobility
The muscular system’s main function is to allow movement. When muscles contract, they contribute to the gross and fine movement.
Gross movement refers to large, coordinated motions and includes:
•walking
•running
•swimming
Fine movement involves smaller movements, such as:
•writing
•speaking
•facial expressions
The smaller skeletal muscles are usually responsible for this type of action.
Most muscle movement of the body is under conscious control. However, some movements are reflexive, such as withdrawing a hand from a source of heat.
2. Stability
Muscle tendons stretch over joints and contribute to joint stability. Muscle tendons in the knee joint and the shoulder joint are crucial in stabilization.
The core muscles are those in the abdomen, back, and pelvis, and they also stabilize the body and assist in tasks, such as lifting weights.
3. Posture
Skeletal muscles help keep the body in the correct position when someone is sitting or standing. This is known as posture.
Good posture relies on strong, flexible muscles. Stiff, weak, or tight muscles contribute to poor posture and misalignment of the body.
Long-term, bad posture leads to joint and muscle pain in the shoulders, back, neck, and elsewhere.
4. Circulation
The heart is a muscle that pumps blood throughout the body. The movement of the heart is outside of conscious control, and it contracts automatically when stimulated by electrical signals.
Smooth muscle in the arteries and veins plays a further role in the circulation of blood around the body. These muscles maintain blood pressure and circulation in the event of blood loss or dehydration.
They expand to increase blood flow during times of intense exercise when the body requires more oxygen.
The green roof on Chicago's city hall is a great example of ___?
A. Urban Greening
B. Environmental Engineering
C. Carbon Promotion
D. Building for plants
Answers
The green roof on Chicago's city hall is a great example of urban greening. The correct option is A
What is Urban Greening ?
Urban greening is the practice of adding plants and greenery to urban areas. This can have a positive impact on the environment by lowering the urban heat island effect improving air and water quality and creating habitat for wildlife.
By increasing access to nature, offering recreational possibilities, improving air quality, lowering the urban heat island effect and enhancing the aesthetic appeal of the cityscape, urban greening seeks to improve the quality of life for urban dwellers.
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The structure labeled A is
A
8
O Chromatid
Spindle
O Centriole
O Centromere
Answers
Answer:
It's Centromere.Hope this will help you.
Which of the following cellular structures is not easily visible with the compound light microscope? A) Nucleus B) DNA C) Cytoplasm D) Plasma Membrane.
Answers
Answer:
The answer is: D) Plasma Membrane.
A wooden cube is weighed at the North Pole by a beam balance and then by a The reading on the beam balance is 6000 g and the reading of the spring balance os 60N. at a point of equator,the beam balance given the same value while the spring balance record 59.8N. explain these difference
Answers
The difference in weight measurements of the wooden cube at the North Pole and the equator is caused by the effect of gravity and the centrifugal force due to the Earth's rotation.
Why the difference?At the North Pole, the gravitational force acting on the wooden cube is maximum as the force of gravity is directly proportional to the mass of the object and the acceleration due to gravity at that location.
The values of the acceleration due to gravity are different at the equator and at the poles as such the measurement of the weight and the reading of the spring balance would not be the same at the equator and at the poles.
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8. Alexander was studying the effect of playing rock music on plant growth.
One of the plants was exposed to rock music for 24 hours a day for a
period of 6 weeks. Data on the growth of the plant was collected at
the end of each week and plotted in a graph. Based on the data,
which would be the MOST reasonable measurement at the end of an
8-week period?
A. 2 decimeters B. 6 decimeters
C. 8 decimeters D. 16 decimeters
please help
Answers
Answer:
Answer is D.
Explanation:
I multiplied each of these weeks and hours and I thought that 16 decimeters would be the best answers
Which is a type of star system? dim stars solar system planets wobbling stars globular clusters
Answers
Globular clusters is a type of star system where the stars are tightly bounded by gravity.
What is a star system?A star system can be defined as small number of stars that orbit around each other and are bound by gravitational force of attraction.
It is also called a stellar system.
Globular clusters is a type of star system with the following features;
It is composed of hundreds or thousands of low-metal old stars. Stars are similar to those in the spiral galaxyStars are tightly bound by gravity.Hence, globular clusters is a type of star system.
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Answer:
D) Globular clusters
Explanation:
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