I need help this is Cells
Which structure is it??
A
B
C
D
draw a ppunnett sqare using the allele symbol H amd h to show the expected genotypes of the man and women biological children.
The Punnett square is used to make predictions about the genotype and phenotype of a future generation according to the alleles involved in the cross. 25% HH, 50% Hh, 25% hh.
What is a Punnett square?The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
Let us assume that in the exposed example both parents are heter0zyg0us for the trait.
The feature is coded by a single diallelic gene in which H is the dominante allele and h the recessive allele.
Cross:
Parentals) Hh x Hh
Gametes) H h H h
Punnett square) H h
H HH Hh
h Hh hh
F1) Genotype
- 1/4 = 25% of the progeny is expeted to be h0m0zyg0us dominant, HH
- 2/4 = 1/2 = 50% of the progeny is expected to be heter0zyg0us, Hh
- 1/4 = 25% of the progeny is expeted to be h0m0zyg0us recessive, hh
Phenotype
- 3/4 = 75% of the progeny is expected to express the dominant trait
- 1/4 = 25% of the progeny is expected to express the recessive trait
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If some members of a bird population had been able to escape Guam and colonize another island, which genetic concept would likely have happened
The genetic concept which would likely have happened when a bird population that escaped Guam and colonized another island is species colonization.
What is species colonization?Species colonization is a process in which new species spread to new geographical areas and subsequently colonize the area.
The bird population that escaped Guam and colonized another island is an example of species colonization.
Therefore, the genetic concept which would likely have happened when a bird population that escaped Guam and colonized another island is species colonization.
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Is it possible to see the Milky Way from Earth or do we need satellites?
Answer:
Yes, we can see it from Earth. Not the entire thing, but everywhere you look you can see the Milky Way. To see the entire thing, you would need to take a panoramic picture using huge telescopes, both on Earth and in space.
Explanation:
We're already in the Milky Way.
Pretest: Unit 3
Question 27 of 32
In cellular biology, what is the definition of the word specialized?
A. Adapted to a specific function or condition
B. A structure within a eukaryotic cell that performs a specific
function
C. Containing unique DNA
D. Carried across the cell membrane by a specific protein
Adapted to a specific function or condition is the definition of the word specialized. Thus, the correct option is A.
What is specialised cells?
Specialized cells are cells in the body that have specific structures and functions.
Different tissue types, such as muscular tissue and nerve tissue, are formed by specialized cells working together in groups. Organs are made up of tissues that work together to accomplish a certain function in the body. The following is a list of some organs and their functions in the human body.
The heart is responsible for pumping blood throughout the body.The brain is responsible for processing and transmitting information throughout the body.Stomach: The stomach is in charge of digestion.The liver detoxifies the blood and processes glucose.Pancreas - The pancreas aids digestion and helps regulate blood sugar.For more information regarding specialized cells, visit:
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1
Select the correct answer from each drop-down menu.
Earth's atmosphere helps to regulate its temperature. However, the addition of gases such as
causes more energy to radiate back
toward Earth. As a result, the atmospheric temperature increases over time.
If Earth had no atmosphere, it would radiate nearly as much energy as it receives from the Sun. This implies that the temperatures on Earth would
be
Earth's current temperature.
Answer:
Carbon dioxide; lower than.
Explanation:
Temperature can be defined as a measure of the degree of coldness or hotness of a physical object. It is measured with a thermometer and its units are Celsius (°C), Kelvin (K) and Fahrenheit (°F).
Radiation is simply the transmission or emission of energy in the form of particles or electromagnetic waves through a vacuum, material medium or space.
Earth’s atmosphere helps to regulate its temperature. However, the addition of gases such as carbon dioxide causes more energy to radiate back toward Earth. As a result, the atmospheric temperature increases over time. If Earth had no atmosphere, it would radiate nearly as much energy as it receives from the Sun. This implies that the temperatures on Earth would be lower than Earth’s current temperature.
Draw the structure of the major product formed in the given reaction when the aromatic aldehyde is present in excess
When excess aromatic aldehyde( acetone) reacts with another element such as chlorine trichloroacetone is formed.
What is aromatic aldehyde?Aromatic aldehyde is defined as the chemical compound that contains the functional group CHO, such as benzaldehyde and acetone, which has an almond-like odour profile.
When excess aromatic aldehyde( acetone) reacts with another element such as chlorine, trichloroacetone is formed.
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Evolution A) can happen whenever any of the conditions for Hardy-Weinberg equilibrium are not met B) requires the operation of natural selection C) must happen, due to organisms' innate desire to survive D) must happen whenever a population is not well adapted to its environment.
Answer:
The correct answer would be A. Can happen whenever any of the conditions for Hardy-Weinberg equilibrium are not met.
the shape of a protein molecule is determined by what?
Answer: I belive that the shape of a protein is determined by its primary structure (sequence of amino acids). The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene (DNA) encoding it.
URGENT
State two reasons why some molecules can pass through a certain membrane, but other molecules can not.
Answer:
Molecules with bigger charge or size can not pass through every membrane but other molecules can.
1. bigger size
2. bigger charge
3. electronegativity
Explanation:
Hope this helps you!
help...
The graph shows projected changes in the populations of the world. Based on the information in the graph, wich region is expected to have the least population growth over the period shown.
Europe
Asia
Africa
Australia
Based on the graph the region expected to have the least population growth will be Australia.
Graphical illustrationsLooking at the given graph the population size of each region starts at a lower point and ends at a higher point on the graph between the years 1950 and 2050.
The change in the population also varies depending on the scale on the y-axis. Australia has the lowest scale which lies between somewhere above 10 and 50.
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Explain how the development of agriculture and the green revolution both affected humans. then explain how agriculture and the green revolution affected the environment. please be detailed in your response and write in complete sentences for full credit.
Answer:
The Green Revolution involved the widespread use of chemicals in agriculture that had adverse environmental impacts. The interrelationships between water resources, erosion, pesticides and fertilizers, deforestation, population pressure, and biodiversity, and farmers are individually addressed.
Explanation:
The development of agriculture and the green revolution affected humans by increasing food production. However, it also led to environmental degradation.
What is green revolution?The development of agriculture provided humans with a stable food supply and allowed for the growth of civilizations. It also led to the domestication of animals and the creation of farming communities. The Green Revolution, which began in the mid-20th century, involved the development and implementation of new agricultural technologies and increased the productivity of crops, leading to increased food production and economic growth in many countries.
However, the use of pesticides and fertilizers in agriculture has had negative impacts on the environment, including soil degradation, water pollution, and loss of biodiversity. The Green Revolution also resulted in the increased use of mechanized farming, which led to the loss of natural habitats and the displacement of wildlife.
Climate change caused by agricultural practices, such as deforestation, and the use of fossil fuels in farming, has also had a significant impact on the environment.
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How does the central nervous system integrate incoming information.
Answer: Impulses
Explanation: Impulses are brought together creating sensations either adding to memory or helping produce thought that translate sensations into perceptions
Please please answer my question if you see it please
Where in a typical eukaryotic cell would you expect to find genes?.
Mature mRNA
Mature m(messenger)RNA is a type of single-stranded RNA that takes part in protein synthesis and is made up of a DNA template during the process of transcription.
HAVE A NICE DAY!
The sport of American football has come under fire since some professional players have reported head injuries that have led to severe disabilities or even death. Football is very popular in the United States, so the ramifications of such findings are troubling for coaches, players, and fans. Researchers are studying the physical effects of head injuries, how to treat them, and how to prevent them in the first place. If you or someone you care about participates in a sport in which head injuries are common, where would you look for reliable information about the symptoms of a head injury and what to do about it?
In a sport where head injuries are common, it is necessary to seek reliable information about the symptoms of a head injury from a neurologist.
What are the dangers of American football?Considered a high-impact sport due to the constant contact and high rate of orthopedic trauma to players during training and games, traumatic shocks to the head and spine have always been the most worrying problems because they put in check vital parts of the athletes' body.
With this information, we can conclude that in a sport where head injuries are common, it is necessary to seek reliable information about the symptoms of a head injury from a neurologist.
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. Which of the following is NOT a characteristic of life?
a. Breathes air to survive
b. Can move and respond to stimuli
c. Grows and develops over lifetime
d. The ability to reproduce
Answer:
c
Explanation:
Grows and develops over lifetime cannot be considered as a characteristic of life.
Characteristics of Life
Can move and respond to stimuliBreathes air to surviveThe ability to reproduce
Explain what is meant by "flight or fight" response. In your answer, describe the role played by the
endocrine system, physical changes in the body and how the changes help the individual to fight or
flee
Answer:
The meaning fight or flight means if your in a fight you either fight or you run from it which would mean flight
Explanation:
Flight or fight is a way of saying you have 2 things you could do either run away from the problem/fight or face the problem/fight the fight
write three characteristics of fungi
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[tex] \sf \red{What \: is \: fungi?}[/tex]
[tex]\large{\underline{\underline{\pmb{\frak {\color {blue}{Answer:}}}}}}[/tex]
Fungi is single celled micro organism, which grows in plants or soil. Fungi can be mostly found on soil or dead plants or dead matter.
[tex]\large{\underline{\underline{\pmb{\frak {\color {red}{Question:}}}}}}[/tex]
[tex] \sf \red{Write \: three \: characteristics \: of \: fungi}[/tex]
[tex]\large{\underline{\underline{\pmb{\frak {\color {blue}{Answer:}}}}}}[/tex]
[tex]\green\star[/tex]Three characteristics of Fungi are:
Fungi reproduce through spores. Fungi are mostly Eukaryotic or single celled. Fungi can play major role in recycling.[tex] \boxed{ \frak \red{brainlysamurai}}[/tex]
Weismann cut the tails of many generations of mice, bred them, and observed what their offspring looked like. What do you think he found? Does this support Lamarck or Darwin's ideas
Answer:
no se wey
Explanation:
gracias por los puntos :v
Outline the top down effects on bacteria in the four mesocosms
The Outline of the top-down effects on bacteria in the four mesocosms is
Zooplankton is bacterivores that help keep bacteria populations in Check. Ingestion of zooplankton by fish leads to a rise in bacteria levels. What are mesocosms?Generally, mesocosms are defined as any outdoor experimental system that investigates the natural environment in a controlled setting and may be thought of as a mesocosm.
In conclusion, Overview of top-down influences on bacterial growth in four mesocosms
To put it another way, zooplankton is bacterivores that play a role in maintaining a healthy bacterial balance.
Fish-eating zooplankton may cause an increase in bacteria in the water.
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Earth’s global average temperature is 14°C. Explain one change that can be made in this sim, that will dramatically increase the temperature.
Answer:
This graph illustrates the change in global surface temperature relative to 1951-1980 average temperatures. Nineteen of the hottest years have occurred since 2000, with the exception of 1998, which was helped by a very strong El Niño. The year 2020 tied with 2016 for the hottest year on record since record-keeping began in 1880 (source: NASA/GISS). This research is broadly consistent with similar constructions prepared by the Climatic Research Unit and the National Oceanic and Atmospheric Administration.
The time series below shows the five-year average variation of global surface temperatures. Dark blue indicates areas cooler than average. Dark red indicates areas warmer than average.
The “Global Temperature” figure on the home page dashboard shows global temperature change since 1880. One gets this number by subtracting the first data point in the chart (-0.16°C) from the latest data point (0.85°C).
What is the difference between class crustacean and class Arachnidan?
Answer:
The main difference between arachnids and crustaceans is the type of habitat they live for instance crustaceans live in an aquatic environments but archanids live on lands
See the file attached!!
i hope my handwriting is understandable...
Letter "E" in the diagram of the enzyme controlled reaction represents the
The activation energy stands as a sort of a barrier between reactants and products and is shown by the letter E.
What is activation energy?The activation energy is the energy that must be supplied in order for a reaction to proceed forward.
The activation energy stands as a sort of a barrier between reactants and products and is shown by the letter E in a diagram of an enzyme controlled reaction.
Enzymes tend to decrease the activation energy by providing an alternative path for the reaction.
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Some organisms exhibit flexibility in terms of their energy harvesting reactions. If provided with oxygen, they will obtain energy through aerobic respiration. If in an environment without oxygen, they will turn to fermentation to satisfy their energy needs. These organisms are classified as
These types of organisms are classified as facultative aerobes.
What do you mean by aerobic respiration?In order to create energy from food, cells must engage in a process known as aerobic respiration, which occurs when there is an oxygen gas present.
An organism that uses anaerobic respiration to produce ATP is known as a facultative aerobes. Although these bacteria need oxygen to survive, they may also exist without it. Despite being able to exist in the presence of oxygen, some creatures do not require it. By fermenting, they produce ATP. Aerobic respiration is how they produce ATP.
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Two cultures, each containing a different species of bacteria, were exposed to the same antibiotic. explain how, after exposure to this antibiotic, the population of one species of bacteria could increase while the other population of the other species of bacteria decreased or was eliminated. *
The antibiotic was effective only against the bacteria species that decreased or was eliminated, but ineffective against the population that increased.
What are antibiotics?
When talking about antibiotics we refer to drugs or medicine used to treat infections caused by bacteria. They act to impede bacteria reproduction and eliminate them.
Antibiotics only act on bacteria, not viruses or other microorganisms, which means that they will only have an effect on affections caused by bacteria.
Also, not any antibiotic can be used to treat any bacterial affection. The antibiotic that must be used depends on the bacteria species. Each bacteria has its own properties, and hence, they respond to different drugs.
Antibiotics are grouped according to their chemical structure, properties, action spectrum, and the type of bacteria they attack.
According to this information, since each antibiotic is effective only against certain bacteria, we could assume that,
the antibiotic used in the experiment did not have any effect on the population of bacteria that could increase
the antibiotic was effective against the other bacteria species, causing its population to decrease or be eliminated.
The antibiotic was effective only against one of the bacteria species -the population that decreased or was eliminated- but ineffective against the other population.
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If the following mRNA strand were produced during transcription, what amino
acids would be found in the protein?
CAUGGUGGCUACGGG
The table below shows which amino acid results from each codon.
Amino acids
Glycine
Histidine
Tyrosine
Codons
GGU
CAU
UAU
GGC
CAC
UAC
GGA
GGG
• A. Glycine-histidine-histidine-tyrosine-histidine
• B. Histidine-glycine-glycine-tyrosine-glycine
• c. Glycine-histidine-glycine-glycine
D. Histidine-glycine-glycine- glycine
Answer:
Histidine, Glycine, Glycine, Tyrosine, Glycine
Explanation:
Answer B
3
Which of the following is the first source of energy in the food chain?
A the sun
B) the moon
c) the ocean
D) the clouds
Answer:
the sun!!
Explanation:
the sun is always going to be your first resource! Goodluck! <33
Blank respiration allows some organisms to live in
environments or niches where there is no oxygen.
Answer:
it’s called the anaerobic respiration
Explanation:
The anaerobic respiration is the answer. I think it’s this because, the anaerobic respiration is supposed to help organisms be able to live in environments where there isn’t any oxygen. This is why I think that aerobic respiration should be the answer.
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