Please help!
In four o'clock flowers, red petals express incomplete dominance over white flowers. Which of the following pictures represents a cross between two pink flowers?
Click on the picture of the flowers until you see the correct answer.
Answers
Answer:
I know the first and second picture is wrong, not sure what the right one is. Hope this helps some
Answer:
i believe the third pic is correct :)
Explanation:
Related Questions
Which of these substances would you
expect to have the lowest melting point?
a. sodium chloride
b. silicon dioxide
c. sodium hydroxide
d. paraffin
Answers
Answer:
d. paraffin
Explanation:
Paraffin has low thermal conductivity, a high heat capacity, and is insoluble in water.
HELP ASAP
Tina is getting ready to plan her science fair project. She is interested in doing something with tomato plants. Which of the following could be tested through scientific experimentation?
Which variety of tomato plant produces the tomatoes that taste the best?
Which variety of tomato plants will look the most attractive in her garden?
Which variety of tomato plant will produce the greatest yield in her garden?
Which type of fertilizer will produce the tastiest tomatoes?
Answers
Answer:
C
Explanation:
Because that is the only one you can measure without being biased
Have A graet one!
In an unusually cold winter, a population of rabbits would be affected in
which of the following ways?
The rabbits with thicker fur would survive and reproduce more than those with little
fur.
O
All of the rabbits would grow the perfect amount of fur they need.
The rabbits with little fur would survive and reproduce more than those with thick fur.
The rabbit population would be unaffected.
Answers
Answer:
Rabbits with thicker fur would survive, others would die off
Explanation:
I guess the answer would be the first one
The overall population of a species has increased. What could have occurred to allow this to happen?
The emigration rate is greater than the death rate.
The death rate of the population is greater than the immigration.
The birth rate of the population is less than the death rate.
The immigration of the population is greater than the emigration.
Answers
Answer:
The correct answer is - The immigration of the population is greater than the emigration.
Explanation:
The growth of the overall population depends on the birth rate, immigration, emigration and death rate. The growth of the population can be calculated by subtracting the number of individuals removed or exited the population from the number of individual come into the population.
Among the given options the best choice is the number of immigration is higher than the number of individual emigrated from the population that means the population growth is increased.
Answer:
to make it quick its D
Explanation:
please please help !!
Answers
Answer:
this a test
Explanation:
Im not going to answer learn by yourself
What role does cellular respiration play in the atmosphere?
Answers
Answer:
Explanation:
It removes H2O from the atmosphere during acetyl CoA formation. It releases H2O to the atmosphere during the citric acid cycle.
Please help <3!!!!!!!!
Answers
Answer:
750m/s
Explanation:
The wavelength of a wave can be calculated by using the formula:
λ = v/f
Where;
λ = wavelength (m)
v = speed of wave (m/s)
f = frequency (Hz or s-¹)
According to the information provided on the wave in this question, λ = 5m, f = 150Hz, v = ?
v = λf
v = 5 × 150
v = 750m/s
Hence, the velocity of the wave is 750m/s.
Circle the letter of each sentence that is true about prokaryotes.
a. They grow and reproduce.
b. Many are large, multicellular organisms.
c. They are more complex than cells of eukaryotes.
d. They have cell membranes and cytoplasm.
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Give an example of diffusion.
Answers
Answer:
The smell of pie from the oven in the kitchen to another room.
Draw a portion of a plasma membrane of a cell and label the cytoplasmic and extracellular surface. Place the following four proteins in the membrane: a) peripheral membrane protein (cytoplasmic exposure), b) integral protein (transmembrane exposure), c) integral protein (extracellular exposure) and d) peripheral protein (extracellular exposure)
Answers
Answer:
You will find the draw in the attached files.
Explanation:
Integral proteins: Proteins that are permanently encrusted in the membrane. These molecules might be classified into three groups: transmembrane proteins, those encrusted in one of the monolayers, and those that only join a membrane protein.Transmembrane proteins cross the membrane from side to side. They have three domains in their monoacidic sequences: an extracellular hydrophilic domain, an intracellular hydrophilic domain, and an interior hydrophobic domain. The aminoacidic chain of these molecules might cross the membrane just once or many times, depending on the protein. Transmembrane proteins accomplish many functions, such as substance adhesion, ions interchange, molecules transport, communication, among others.
Proteins encrusted in one of the monolayers do not cross the membrane. Their monoacidic sequences are integrated with only one of the monolayer lipids, hence they have an intramembrane domain and only one extramembrane domain, which might be either cytosolic or extracellular, depending on their position in the membrane.
Peripheral membrane protein: Proteins that are not encrusted in the membrane, but just united to the internal or external membrane surfaces, and they can easily separate from it. Opposite to integral proteins, peripheral ones are not in a permanent association with the membrane. Instead, they are just temporally united to the membrane. This makes them useful for cellular communication. They can be attached to integral proteins and little portions of the lipidic bilayer.Which is an unlikely source of water for a river basin?
A. ocean water
B. melting snow
c. melting ice
Answers
Find the lateral of the figure. Round your answer to the
nearest tenth, if necessary. Use the formula: LA-
9.4 km
10 km
10 km
Answers
what happens to the amount of biomass as you move from one trophic level to the next ? Explain why this happens.
Answers
Answer:
on average, only about 10% of energy stored as biomass in one trophic level-e.g, primary producers-gets stored as biomass in the next trophic level-e.g, primary consumers. Put another way. net productivity usually drops by a factor of ten from one trophic level of the next.
If you wanted to design an artificial hormone who's action on a target cell required the least amount of interaction with that cell, what type of hormone would you want to use and explain why. *
Answers
Answer:
The water soluble hormones affect the target cells with least amount of interaction.
Explanation:
Hormones are the chemical messengers. These are the substances secreted by the endocrine glands. The hormones are secreted directly into the bloodstream and are carried to the target cells within the blood only.
Based on their structure, hormones are water-soluble or lipid-soluble. The lipid-soluble hormones are steroid hormones and thyroid hormones. These hormones can easily pass through the lipid bilayer of the cell membrane of the target cell. Therefore, the lipid-soluble hormones have intracellular receptors that are present in either cytoplasm or the nucleus of the target cells.
On the other hand, the water-soluble hormones can not pass through the lipid bilayer of the target cells. Therefore, these hormones have extracellular receptors on the surface of the target cells. Binding of the water-soluble hormones to their cell surface receptors triggers the production of the intracellular second messengers that finally carry the signal to the target protein or any other target molecule.
Therefore, a water-soluble hormone exhibits the least amount of interaction with the target cell. Amine hormones such as epinephrine and melatonin, peptide hormones such as oxytocin are some examples of the water-soluble hormones.
Identify the molecules in the plasma membrane that provide basic membrane structure, cell identity, and membrane fluidity.
Answers
The main molecules present in the plasma membrane are phospholipids, those molecules are made of a polar, hydrophil end(glycerol with a phosphate group attached) and two non-polar, hydrophobe ends(two fatty acids rests). The cell identity is determined by proteins present in the membrane, a very important type of protein that determines the identity of a specific cell is called marker. The membrane fluidity is reduced by a lipid with a ring structure, cholesterol, this molecule belongs to a class of biomolecules called steroids.
Phospholipids are the fundamental constituents of all cell membranes. They are amphipathic molecules made up of two hydrophobic fatty acid chains joined to a hydrophilic head group that contains phosphate.
What is membrane fluidity?Because of its dynamic structure, proteins, and phospholipids can move about freely. The ability of molecules to move freely within the membrane is referred to as “fluidity,” which is crucial for cell activity.
Membrane composition and temperature affect membrane fluidity. Both membrane composition and temperature modify a membrane's fluidity, or how freely the membrane's constituents can move.
In order for cell membranes to work effectively, they must balance fluidity—which allows proteins and lipids to move around inside the membrane—with membrane curvature, bending, budding, and fusing.
A lipid with a ring structure, cholesterol, which is a member of the class of macromolecules known as steroids, reduces the fluidity of the membrane
Therefore, Phospholipids that provide basic membrane structure, cell identity, and membrane fluidity.
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i need help.....labels the parts of the flower.
Answers
Answer:Best thing i could find bud
Explanation:
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Which possibility would have a large impact on the environment?(1 point)
a nest of robin eggs is abandoned.
a single robin dies.
a population of robins die.
a population of robins compete for food.
— — — — — — — — — — — — — — — — — — — — — — —
Please rank the following ecological levels of organization in ascending order.(1 point)
individual → population → ecosystem→ community
community → ecosystem → population → individual
ecosystem → community → population → individual
individual → population→ community→ ecosystem
— — — — — — — — — — — — — — — — — — — — — — —
Due to regular changes in the environment, an ecosystem at carrying capacity could be described as(1 point)
declining gradually over time.
constant with no changes over time.
fluctuating slightly over time.
growing exponentially over time.
— — — — — — — — — — — — — — — — — — — — —
What is the definition of population?(1 point)
all members of a particular species in a specific area at a certain time
all members of a particular species in a specific area throughout time
all members of a particular species in the world at a certain time
all members of a particular species in the world throughout time
— — — — — — — — — — — — — — — — — — — — — — — — —
Which of these traits makes the monarch butterfly a specialist?(1 point)
They are usually avoided by predators like birds.
They migrate to Mexico in the winter.
The adults pollinate flowers.
The caterpillars only eat milkweed plants.
— — — — — — — — — — — — — — — — — — — — — —
Answers
Answer:
1. a population of robins die
2. individual - population - community - ecosystem
3. fluctuating slightly over time
4. all members of a particular species in a specific area at a certain time
5. The caterpillars only eat milkweed plants
Explanation:
I just took and these are answers.
Based on ecological relationships, a population of robin dying will impact the environment most.
The correct rank order of ecological levels of organization is as follows:
individual → population→ community→ ecosystemA population is defined as all members of a particular species in a specific area at a certain time
The Monarch butterfly is a specialist because the caterpillars only eat milkweed plants.
What is an environment?An environment refers to all of the physical, chemical, and biotic factors that act upon an organism or an ecological community and which affects the growth and survival of the organism.
Therefore, a population of robin dying will impact the environment most.
What is the correct rank order of ecological levels of organization?Ecological level of organization refers the number of organisms as well the complexity of the relationship between organisms and their environment.
The correct rank order of ecological levels of organization is as follows:
individual → population→ community→ ecosystemDue to regular changes in the environment, an ecosystem at carrying capacity could be described as constant with no changes over time.
What is the definition of population?A population is defined as all members of a particular species in a specific area at a certain time
What is a unique trait of the monarch butterfly?The Monarch butterfly is renowned for its migratory habits.
However, a specialist trait is that The caterpillars only eat milkweed plants.
The Monarch butterfly is a specialist because the caterpillars only eat milkweed plants.
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What are the raw materials for photosynthesis
Answers
Answer:
Food and water
Explanation:
Its pret east
Help me PLEASE! Choose one answer! First one to answer get Brainliest!
12.) Which of the following is a structure humans have as an embryo?
A.) Antennas
B.) Wings
C.) Gill Slits
D.) Tusks
Answers
All vertebrates form something called pharyngeal arches, or gill slits, in their throat region very early in their development.
Which of the following situation demonstrates a physical change
Answers
Answer: c melting ice
Explanation:
True or False: Diet has a greater impact on the length and quality of human life than inherited traits from parents.
Answers
Answer:
False
Explanation: You can inherit all sorts of diseases from your parents, including cancer.
how does time affect the physical weathering of a rock?
A- rock weathers the most when first exposed, then more slowly
B- the longer the rock has been exposed, the more it has weathered
C- over time, the rock will become flat, slowing the rate of physical weathering
D- time does not affect physical weathering, only chemical weathering
Answers
Answer:
D
Explanation:
Time can't do much to a rock, but chemical weathering is more effective
The time affect the physical weathering of a rock as time does not affect physical weathering, only chemical weathering and time can't do much to a rock, but chemical weathering is more effective. Thus, option D is correct.
What is the sedimentary rocks?Sedimentary rocks are near the surface so the only one that works for that is sedimentary rocks are formed with water too, it weathers away at the rocks to form little sediments and metamorphic rocks are in the earths interior and sedimentary are at the exterior, metamorphic rocks are formed through extreme heat and pressure meaning its near the earths interior.
Igneous rocks has been called the magmatic, are all rocks that are formed by the solidification of magma. However, igneous rocks are classified into two groups. First are the plutonic or intrusive igneous rocks that are the result of the solidification of magma within the lithosphere. Secondly, there are the volcanic or extrusive igneous rocks that are the result of the cooling of magma that occurs at the surface or a shallow depth.
Therefore, The time affect the physical weathering of a rock as time does not affect physical weathering, only chemical weathering and time can't do much to a rock, but chemical weathering is more effective. Thus, option D is correct.
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1. What do you mean by stem cells?
______________________________________________________________________________________________________________________________________________________________________________________
2. How does gene therapy work?
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
3. Gene therapy does have risks and limitations?
______________________________________________________________________________________________________________________________________________________________________________________
4. How effective is gene therapy?
______________________________________________________________________________________________________________________________________________________________________________________
5. Give some examples of gene therapy applications?
____________________________________________________________________________________________________________________________________________________________
Answers
Answer:
brainliest plzzzzzzzzzzzzzzzzzz
Explanation:
1.Stem cells are special human cells that are able to develop into many different cell types. This can range from muscle cells to brain cells
2. Gene therapy is designed to introduce genetic material into cells to compensate for abnormal genes or to make a beneficial protein. If a mutated gene causes a necessary protein to be faulty or missing, gene therapy may be able to introduce a normal copy of the gene to restore the function of the protein.
3.Gene therapy does have risks and limitations. The viruses and other agents used to deliver the "good" genes can affect more than the cells for which they're intended. If a gene is added to DNA, it could be put in the wrong place, which could potentially cause cancer or other damage.
4.Clinical trials of gene therapy in people have shown some success in treating certain diseases, such as: Severe combined immune deficiency. Hemophilia. Blindness caused by retinitis pigmentosa.
5. Few Examples Are:
Engineered Natural Killer Cells against Hodgkin's Lymphoma. Pectic Acid-based Corning Dissolvable Microcarriers for Cell Therapies. Development of Cell Expansion Systems for Gene-edited Blood and Immune Cells. Microsoft's AI Tool for Fine Tuning CRISPR.In the 1970s many experts thought that the fight against infectious diseases was over. In fact, in 1970, the Surgeon-General of the United States of America indicated that it was "time to close the book on infectious diseases, declare the war against pestilence won, and shift national resources to such chronic problems as cancer and heart disease".
During the last two decades, this opinion has been reversed, and there is now a renewed appreciation of the importance of infectious disease. The spread of new diseases such as HIV/AIDS, hepatitis C, and dengue hemorrhagic fever, and the resurgence of diseases long since considered under control such as malaria, cholera, and sleeping sickness, have drawn considerable attention. Over the past 200 years there have been multiple devastating outbreaks of cholera caused by the bacteria, V. cholerae. Cholera is an infectious and deadly bacterial disease that affects the small intestine. The infection causes severe vomiting and diarrhea. The infection is typically spread from person to person and through infected food and water.
In 1832, there was a cholera outbreak in New York City that killed 3,515 people or 1.5% of the city's population. New York was struggling to keep up with the growing population, the city was overcrowded, there was a lack of sanitation, and science did not yet recognize the role of germs in disease. Cholera overwhelmingly affected the poorest neighborhoods in the city, hitting African-Americans and immigrant Irish Catholics the most. Many of the high income people from the city were able to leave the city and prevent themselves from getting sick.
In 2010, an outbreak of cholera was confirmed in Haiti for the first time in more than 100 years just ten months after the catastrophic earthquake killed over 200,000 people and left over 1 million people without a secure place to live. In this outbreak there were over 665,000 cases and 8,183 people died. A more recent outbreak of cholera occurred in Kenya in 2017 with 3,967 confirmed cases and 76 deaths. Epidemiologists believe the disease was transmitted during mass gathering events and at refugee camps within the country.
Scientists are concerned because they noticed that some antibiotics used to treat cholera are not working as well as they have in the past. Furthermore, the vaccine for cholera is not always effective in the long term and is not a commonly given immunization by most doctors. Researchers have estimated the bacteria, V. cholerae may infect between 1.3 and 4 million people and cause 21,000 to 143,000 deaths worldwide a year. How could we prevent a severe outbreak in the future?
Questions
What factor(s) were the same in the cholera outbreaks of 1832, 2010, and 2017?
Based on this phenomenon, what is a problem we are currently facing?
What are some initial ideas on how to solve it?
Of the many different strains (types) of V. cholerae, only a few cause pandemic disease. A pandemic is an outbreak of a disease that occurs worldwide or over a very large geographical area. There have been six cholera pandemics recorded since 1816. The seventh pandemic was first seen in El Tor, Egypt and continues on to this day.
I think the 7 was the longest becuase it lasted 50 to 60 years i guess am i right
1) Which number pandemic lasted the longest?
2) What are some factors as to why it lasted the longest? (Refer to evidence from the text)
Answers
Answer:
Try to make your question more clearer, because it is too complexed,and no one will even try to help you.
you can ask each question sepperately for example. so if no one answered one question he/she can answer the other question if he/she knows the answer.
Only a tip for your future questions!
PLEASE HELP. DUE RIGHT NOW!
Answers
Answer:
Your model is not occuring in a state.
Which process has evolved to yield the greatest variation in offspring?
A. Meiosis
B. Mitosis
C. Budding
D. Replication
Answers
Answer:
Budding
Explanation:
Why a litter of puppies with the same parents can all look different include words like gamete, zygote, chromosome, gene
Answers
Answer:
Because of the recobonation, not all the puppies will receive the same chromosomes from the parents. The genes can/will be transmitted differently and unequally between the puppies. These genes will be carried from the zygotes, the zygotes carry the genes from BOTH parents.
Puppies with the same parents can look different because of recombination.
What is recombination?Recombination is a process by which pieces of DNA are broken and recombined to produce new combinations of alleles.
A Litter of puppies with same parents can all look different because of recombination. At the time of meiosis the number of chromosomes reduced and genetic recombination takes place.
Meiosis is a form of cell division that produces gametes. Meiosis is divided into different phases such as prophase, metaphase, anaphase and telophase. Crossing over takes place at pachytene stage. Cross over results in recombination and exchange of genetic material.
Recombination process creates genetic diversity and leads to variation. Chromosomes contains genes. When male and female cells fuses it leads to formation of zygote.
Therefore, Puppies with the same parents can look different because of recombination.
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PLEASE HELP ASAP
1) What are 3 characteristics of unbalanced forces?
2)What are 3 characteristics of balanced forces?
Answers
Answer: look at the screenshot
All organisms need energy from food. Which best describes
the process of how plants and animals get usable energy
from food?
Answers
Answer:
Plants build carbohydrates using light energy from the sun (during the process of photosynthesis), while animals eat plants or other animals to obtain carbohydrates.
Explanation:
Animals eat plants or other animals to obtain carbohydrates, whereas plants create them using the sun's light energy and the process is called photosynthesis.
What is photosynthesis?Photosynthesis is defined as the process through which plants convert carbon dioxide, water, and sunshine into oxygen and sugar for energy.
It can also be defined as a method used by plants and other living things to change light energy into chemical energy that can then be released through cellular respiration to power the organism's activities.
The process of photosynthesis is unique to plants since only those with the food-making chlorophyll pigment can carry it out. The necessary elements are sunlight, water, and oxygen, where two processes take place: one that depends on light, the other that doesn't.
Thus, animals eat plants or other animals to obtain carbohydrates, whereas plants create them using the sun's light energy and the process is called photosynthesis.
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Having extra fingers (polydactyly) is a dominant trait. Having just 10 fingers is a recessive trait. How can you explain that almost (if not everyone) you know has the "normal" number of fingers? Look at the list of dominant vs recessive genes and give another example of a recessive gene being more common than a dominant one and explain why you think that dominance or recessiveness is not related to how often a trait occurs in a population
Answers
Answer:
Explanation:
Polydactyly is a mutation, it is a sudden change that can be heritable that occurs.
Because mutation does not always occur the chances of having large number of people having the traits in a dominant form is low, hence more people will have normal finger.
Dominance is not the number of time a traits occur, it is the ability of a allele to be expressed over another. The expressed allele i.e that is seen in the phenotype of such individual is the dominant allele while recessive allele are the one whose effect are mask.
Having a round eye is an example of a recessive traits that people posses but are expressed in some individual.
