What are the 3 main structures of the carpel what are their functions?
Answers
Answer:
The three main parts of a carpel are the stigma, style, and ovary.
Explanation:
Related Questions
Honeybees provide one of the most important ecosystem services: pollination - and they do this for free! We are experiencing huge losses in pollinator populations throughout the United States and the
Answers
Colony Collapse Disorder (CCD) is a phenomenon characterized by the sudden disappearance of worker bees from beehives, leaving the queen and a few immature bees behind.
The causes of the collapseThe causes of CCD are not fully understood, but prevailing hypotheses include pesticide exposure, parasites and diseases, poor nutrition, and various stress factors. These factors likely interact and contribute to the decline of honeybee populations.
Understanding CCD is crucial for implementing effective strategies to mitigate its impact, including promoting sustainable agricultural practices, reducing pesticide use, improving beekeeping management, and enhancing habitat and forage availability.
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Honeybees provide one of the most important ecosystem services: pollination - and they do this for free! We are experiencing huge losses in pollinator populations throughout the United States and the rest of the world. The decline is so great that many farmers now must import European honeybees to pollinate crops. In 2006, an emerging issue called Colony Collapse Disorder (CCD) caused massive declines in beehives. These declines are still a problem today. Respond to the following prompts in your initial post this week: 1. What is Colony Collapse Disorder and what are the prevailing hypotheses for what causes CCD?
Which of the following components of blood makes up the smallest percentage by
volume?
O plasma
leukocytes & thrombocytes
erythrocytes
Answers
The components of the blood that constitute less volume are leukocytes and thrombocytes.
What are leukocytes and thrombocytes?Leukocytes or better known as white blood cells are blood cells that are formed in the bone marrow which will perform the body's immune tasks, that is, they will protect the body from foreign substances or infectious agents. Leukocytes include neutrophils, basophils, eosinophils, monocytes, and lymphocytes.
As for thrombocytes, or better known as platelets, they are fragments of cytoplasm of megakaryocytes, which are multinucleated cells found in the bone marrow. Platelets will have their function in hemostasis, that is, to stop hemorrhagic processes through the formation of clots or thrombi.
Therefore, we can confirm that the components of the blood that constitute less volume are leukocytes and thrombocytes.
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The table shows which mRNA codons code for various amino acids.
Which amino acid sequence will be produced by translation of the
mRNA sequence UAC UCU ACC?
Select one:
a. Tyr - Ser - Thr
b. Thr - Ser - Tyr
c. Asn - Pro - Thr
d. Thr - Pro - Asn
Answers
Answer: A
Explanation:
UAC = Tyr
UCU = Ser
ACC = Thr
So the polypeptide chain corresponds to A
Answer the questions based on the information given.
The Amur plate, a small plate, has moved away from the Eurasian plate. It has moved 125,000 meters in 25 million
years. It is moving eastward.
mm
What is the rate of motion of the Amur plate? Express your answer in Year
Where would the plate be after 1 million years? Express your answer in m
What geologic feature will form between the Amur and Eurasian plates?
Answers
to part A the answer is :5 mm/year
to part B the answer is: 5,000 meters east
and finally for part c the answer is new ocean floor
Hope I helped :D
The rate of motion of the Amur plate is 0.005 meters (m) per year; whereas the plate will move 5,000 meters (m) east after 1 million years. Moreover, a NEW OCEAN FLOOR will form between the Amur and Eurasian plates.
The rate of motion (R) can be calculated as:R = 125,000 meters (m) /25,000,000 years = 0.005 m/year
The movement of the plate can be estimated as:1 year _____________ 0.005 m east
1,000,000 years ____ X = 1,000,000 x 0.005 >>
X = 5,000 meters east
It is well known that new seafloors are continually formed in regions where oceanic plates move apart during seafloor spreading. In this case, a new ocean floor will form between the Amur and Eurasian plates.In conclusion, the rate of motion of the Amur plate is 0.005 meters (m) per year; whereas the plate will move 5,000 meters (m) east after 1 million years. Moreover, a NEW OCEAN FLOOR will form between the Amur and Eurasian plates.
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describe the goals of maximum sustainable yield management, ecosystem based management, and adaptive management. list a drawback of each
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In this question we will describe the management goals of maximum sustainable yield, ecosystem-based management and adaptive management.
What is a sustainable management plan?A sustainable management plan aims to maximize forest production and minimize damage to the remnant responsible for the productive, structural, functional and genetic support of the exploited forest.
What is ecosystem-based adaptation?Ecosystem-based adaptation protects vulnerable communities from extreme weather while providing a variety of crucial benefits for human well-being, such as clean water and food.
What is Adaptive Management?Adaptive Management is a management approach developed to provide organizational systems with a greater degree of adaptability, seeking to provide means to increase the speed of response to environmental pressures and improve the quality of this response.
With this information, we can conclude that the disadvantages of these methods are that they will bring harm to the affected ecosystem.
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any molecule or fragment of a molecule that has the potential to trigger a specific immune response by lymphocytes is called
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Any molecule or fragment of a molecule that has the potential to trigger a specific immune response by lymphocytes is called an antigen.
Antigens are substances that can be recognized by the immune system as foreign or non-self. They can be found on the surface of pathogens like bacteria, viruses, and parasites, as well as on cells or particles from foreign substances such as pollen, toxins, or transplanted organs.
Antigens can also be generated from within the body, such as in the case of cancer cells or self-antigens associated with autoimmune diseases.
When an antigen enters the body, it interacts with specialized immune cells called lymphocytes, specifically B cells and T cells. B cells produce antibodies that can bind to antigens, whereas T cells recognize antigens displayed on the surface of cells. The immune system recognizes antigens as foreign and initiates an immune response to eliminate them.
Antigens possess specific structural features called epitopes or antigenic determinants. These are regions on the antigen molecule that are recognized by specific receptors on lymphocytes called antigen receptors. The antigen receptors on B cells are antibodies, while T cells have T cell receptors.
Upon encountering an antigen, lymphocytes with receptors that can recognize and bind to the antigen are activated, leading to an immune response. This response can involve the production of antibodies, the activation of immune cells, and the elimination of the antigen.
Antigens play a vital role in the immune system's ability to recognize and mount a defense against foreign substances and pathogens.
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how do heat built up when Earth first formed?
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The heat was built up from the violent collision of planets in the solar system when Earth first formed.
how do heat build-up when Earth first formed?Because the Earth as we know it is the result of a collision between two planets, a collision that also produced the Moon, the surface of the Earth was extraordinarily hot in the beginning.
While the surface was still extremely warm, the majority of the heat within the very young Earth was swiftly lost to space. The first source of heat is Sun.
Thus, this is how heat was generated during the formation of Earth.
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Questions: Using what you have learned in the lesson and the experiment,
answer the following questions in complete sentences. Do not copy and paste
from any source! Your answers should be in your own words
1. Explain what makes a scientific experiment reliable. Be sure to include at least
three reasons to support your answer. (Review page 4) exploring life lab report
Answers
An experiment is dependable when its repetition yields the same result every time. Peer review is essential in scientific research since it guarantees that there is no misleading data that could lead to incorrect results.
Reliability is a concept used in science to assess the quality of research. The probability that an experiment or result is true, hence preventing and mitigating failures over time, is referred to as reliability.
A trustworthy experiment is one in which successive repetitions provide the same outcome.
Three examples of scientific dependability:
The same as the length of a spider's legThe observation of the same behaviour of bird populations on multiple days and times of day when the byproducts of a given chemical process are the same.An experiment is dependable when its repetition yields the same result every time.
Peer review is essential in science since it guarantees that there are no false dates experiment is repeated two or more times.Peer review is the most extensively utilized method for validating scientific findings. This method (peer review) is critical for advancing scientific understanding.Before a scientific paper is published, independent scientists analyze its originality, dependability, and relevance through peer review.
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2.) how do scientists predict the polarity of molecules?
Pls help?!!
Answers
Electronegativity.
If the difference in electronegativity for the atoms in a bond is greater than 0.4, we consider the bond polar. If the difference in electronegativity is less than 0.4, the bond is essentially nonpolar.
A giraffe would not be able to survive in a city due to the [_________] factors such as buildings, streets, and sewage
Answers
Answer:
A giraffe would not be able to survive in a city due to the smog factors such as buildings, streets, and sewage
Explanation:
List the levels of cellular organization from smallest to largest including a definition for each level in ecology
Answers
cell tissue
organ
organ system
organism
population
community
ecosystem
biosphere.
Hope this helps!
Describe how living things are involved in the constant cycling of carbon.
Answers
Answer:
plants uses carbon dioxide during photosynthesis. plants use carbon to make carbohydrates and cellulose. animals then eat plants and carbon is passed down. Animals then respire and release carbon dioxide into the atmosphere.
Answer:
Plants uses carbon dioxide during photosynthesis. Plants use carbon to make carbohydrates and cellulose. Animals then eat plants and carbon is passed down. Animals then respire and release carbon dioxide into the atmosphere.
how can a scientist survive living in an airtight closed space with plants? the scientist kept rhe lights on measured carbon, oxygen, and humidity
Answers
Living in an airtight closed space with plants can provide a source of oxygen and food for a scientist, but it also requires careful monitoring and management of the environment to ensure survival. Here are some key considerations for a scientist to survive in this type of environment:
Monitor and regulate carbon dioxide levels: Plants produce oxygen through photosynthesis, but they also consume carbon dioxide. If the carbon dioxide levels get too high, it can become toxic and pose a risk to the scientist's health. The scientist should use a carbon dioxide monitor to measure levels and regulate them by adjusting the lighting, airflow, or plant density.
Monitor and regulate oxygen levels: The scientist should also monitor oxygen levels to ensure they remain at a safe level for breathing. The plants will produce oxygen, but if the space is too small or poorly ventilated, the oxygen levels can drop. The scientist should use an oxygen monitor and have backup oxygen supplies available if necessary.
Monitor and regulate humidity levels: Plants release moisture through transpiration, which can increase humidity levels in the closed space. High humidity can lead to mold growth and make the environment uncomfortable for the scientist. The scientist should use a hygrometer to measure humidity levels and regulate them by adjusting the ventilation and watering schedule.
Maintain proper lighting: Plants require light for photosynthesis, but too much or too little can be harmful. The scientist should measure the light levels using a light meter and adjust the lighting schedule or intensity accordingly.
Have backup systems in place: In the event of equipment failure or other emergencies, the scientist should have backup systems in place to ensure their safety and survival. This could include backup oxygen supplies, emergency lighting, and a plan for evacuating the space if necessary.
By carefully monitoring and regulating the environment, a scientist can survive living in an airtight closed space with plants.
What characteristics of viruses make them seem like living things what characteristics make them seem nonliving?
Answers
Answer: It makes them seem like living things by containing proteins and genetic information
Explanation:
Where are most oil deposits found today?
Saudi Arabia
Australia
Egypt
Turkey
Answers
which process occurred frequently in the early history of the three domains on earth and makes determining phylogenetic relationships of that time difficult? view available hint(s)
Answers
Horizontal gene transfer occurred frequently in the early history of the three domains on earth and makes determining phylogenetic relationships of that time difficult.
The spread of antibiotic resistance genes among bacteria (aside from those that are passed from parent to offspring) is a result of horizontal gene transfer (HGT), which also promotes the evolution of pathogens.
Many resistance genes have been around for a very long time, evolving in untainted natural settings without human interference, but they are now quickly spreading to and among human pathogens. Three recognized genetic mechanisms cause HGT.
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10 points
41
Which statement best describes how a vaccination can help protect
the body against disease?
Vaccines directly kill the pathogen that causes the disease,
Vaccines act as a medicine that cures the disease
Vaccines cause the production of specific molecules that will react with and destroy
certain molecules
Vaccines contain white blood cells that engulf harmful germs and prevent them from
spreadin throughout the bodyg
Answers
vaccines cause the production of specific molecules that will react with and destroy
List the 7 cardinal movements of labor in order.
Answers
The 7 cardinal movements of labor in order are: 1. Engagement: The fetus's head enters the pelvic inlet. 2. Descent: The fetus moves deeper into the pelvic cavity. 3. Flexion: The fetus's head bends forward, chin toward the chest. 4. Internal Rotation: The fetal head rotates to fit the shape of the pelvis. 5. Extension: The fetus's head extends as it passes under the pubic bone. 6. External Rotation: The fetal head rotates back to its original position. 7. Expulsion: The rest of the fetus's body is delivered.
7 cardinal movements of labor are:
1. Engagement - This is when the baby's head drops down into the pelvis and becomes engaged in the birth canal.
2. Descent - The baby continues to move downward through the pelvis, towards the birth canal.
3. Flexion - The baby's head begins to tuck in towards the chest, allowing the smallest part of the head to pass through the pelvis.
4. Internal rotation - The baby's head rotates so that the widest part of the head is aligned with the widest part of the pelvis.
5. Extension - The baby's head begins to move out of the birth canal, as the face turns towards the mother's back.
6. Restitution - After the baby's head is born, it rotates back to its original position in alignment with the shoulders.
7. External rotation - Finally, the shoulders rotate to align with the pelvis, and the baby is born.
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what is the mediator protein complex and how is it involved in
transcription?
Answers
The mediator protein complex acts as a crucial intermediary in transcriptional regulation, integrating signals from transcription factors and other regulatory proteins to control the precise timing and level of gene expression.
The mediator protein complex is a multi-subunit protein complex that acts as a bridge between transcription factors and RNA polymerase II during transcription in eukaryotic organisms. It plays a crucial role in regulating gene expression by facilitating the communication between transcription factors and the RNA polymerase II enzyme.
The mediator complex is recruited to the promoter region of genes by specific transcription factors. Once bound, it helps in the assembly of the pre-initiation complex, which includes RNA polymerase II and other transcription factors. The mediator complex then interacts with various components of the transcription machinery, including transcription factors, co-activators, and chromatin-modifying enzymes, to regulate the initiation and elongation phases of transcription.
Additionally, the mediator complex facilitates the communication between enhancer regions and the promoter region of genes. It helps in the looping of DNA, bringing distant regulatory elements closer to the transcription start site, and thereby influencing gene expression.
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1.The immune system responds to the damage to arteries because of atherosclerosis by:
a. lining the arteries with high levels of HDL cholesterol
b. reducing the concentration of clotting factors in the blood
c. promoting the growth of skeletal muscle cells of the artery wall to repair the site
d. sending white blood cells to the site to try repair the damage
e. destroying foam cells that capture and remove LDL from the artery wall
2.A diet rich in _____, fish, fruits, and vegetables reduces blood cholesterol levels and the risk of heart disease.
a. unsaturated fat
b. sodium
c. simple carbohydrate
d. saturated fat
e. complex carbohydrate
3.Which of the following dietary changes will contribute to better health?
a. Eat carrot sticks and hummus instead of potato chips and sour cream dip.
b. Choose grilled meats instead of smoked meats.
c. Purchase only foods labeled "no trans fats" to be sure that they are low in fat.
d. Select chicken nuggets instead of a hamburger at a fast-food restaurant.
e. Spread margarine instead of butter on your toast during breakfast.
4.Which of the following is a valid recommendation for reducing cancer risk?
a. Maintain an overweight condition throughout life.
b. Consume an adequate amount of salt-cured foods.
c. Adopt a sedentary lifestyle.
d. Consume a diet that is rich in whole foods.
e. Consume grilled and processed meat products.
5.Identify the most important factor that can prevent chronic diseases to a great extent.
a. Meditation
b. Herbal remedies
c. Adequate nutrition
d. Whey protein
e. Phytochemicals
6. Which of the following strategies will best help you control your risk of developing CVD?
a. Substituting fish for red meat twice a week
b. Drinking three glasses of red wine every day
c. Using margarine rather than olive oil
d. Smoking to prevent weight gain
e. Consuming high amounts of refined carbohydrates
7. Population studies across the globe suggest that diets high in _____ promote the risk of colon cancer.
a. leafy vegetables
b. boiled foods
c. avocados
d. processed meat
e. whole grains
8. Which of the following is an unalterable risk factor for cancer?
a. Inflammation
b. Infections
c. Diet
d. Obesity
e. Heredity
Answers
The immune system responds to the damage to arteries because of atherosclerosis by: d. sending white blood cells to the site to try repair the damage.
A diet rich in a. unsaturated fat, fish, fruits, and vegetables reduces blood cholesterol levels and the risk of heart disease.
Which of the following dietary changes will contribute to better health? a. Eat carrot sticks and hummus instead of potato chips and sour cream dip.
The immune system responds to the damage to arteries because of atherosclerosis by sending white blood cells to the site to try to repair the damage. The correct answer is d. sending white blood cells to the site to try repair the damage.
A diet rich in unsaturated fat, fish, fruits, and vegetables reduces blood cholesterol levels and the risk of heart disease. The correct answer is a. unsaturated fat.
Eating carrot sticks and hummus instead of potato chips and sour cream dip, choosing grilled meats instead of smoked meats, and purchasing only foods labeled "no trans fats" to be sure that they are low in fat are all dietary changes that will contribute to better health. However, selecting chicken nuggets instead of a hamburger at a fast-food restaurant and spreading margarine instead of butter on your toast during breakfast are not necessarily healthier options. The correct answer is a. Eat carrot sticks and hummus instead of potato chips and sour cream dip.
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WILL GIVE BRAINLIST TO BEST ANSWER HELP TIMED!
Which statement BEST summarizes the effects that the Irish Potato Famine and Dust Bowl had on the respective populations of Ireland and the United States?
A. The populations of both areas increased as people found more reliable sources of food.
B. The populations of both areas decreased as people died from starvation or moved to other areas.
C. The populations of both areas remained stable until the disasters were over, then increased immediately afterwards.
D. The populations of both areas were relatively unaffected and continued to grow exponentially.
Answers
The populations of both areas decreased as people died from starvation or moved to other areas.
What is a famine?The term famine has to do with a period of extreme scarcity of food. It may be caused by natural disaster or by the loss of arable land due to some other factors. The time of famine is always characterized by a lot occurrences and even death of people.
The Irish Potato Famine and Dust Bowl led to catastrophic loss of the yield of crops forcing many to abandon their livelihoods in the midst of the famine across Ireland and the United Kingdom.
The statement which best summarizes the effects that the Irish Potato Famine and Dust Bowl had on the respective populations of Ireland and the United States is; the populations of both areas decreased as people died from starvation or moved to other areas.
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in a certain fish, blue scales (BB) and red scales (bb) are codominant. when a fish has the hybrid genotype, it has patchwork of blue and red scales. what is the genotype for blue fish. what is the genotype for red fish. what is the genotype for patchwork fish.
Answers
Answer:
BB is blue
bb is red
Bb is patchwork
Explanation:
It can't really be codominant since lowercase letters are recessive, and condomance needs 2 dominant alleles of a different types. So really it should be BB for blue, RR for red and BR for patchwork...
Which of these approaches is the best strategy for an overpopulated city
whose air is becoming more and more polluted?
A. Invest in alternative energy sources to reduce emissions.
OB. Reduce air-quality regulations so businesses can grow
unimpeded.
OC. Invest in urban sprawl to better disperse the pollution.
OD. Reduce road construction to dissuade new residents.
SUBMIT
Answers
Answer:
A
Explanation:
OB would not make any sense because you want to help the people in the city not just turn a blind eye. OC would make more houses for more people to come in and further pollute the air. OD would make the town a worse place for the people already living there and would not change the number of people entering.
Hope this helps
please help!!!!!!!!!!!
Answers
I'd say that your traits can come form your parents. if you mean physically
Answer:
everyone is different because of our enviroment
(sound food and health) and we get those traits from our parents.
If you were give one strand of DNA that started with 'AGA', what would be the 3 nucleotides that are attached?
Answers
Answer:
'TCT'
Explanation:
Just following the base pairing rule
the life of the cell is called the ____ _______
Answers
Answer:
Unit Of Life
Explanation:
Identify the characteristic of life for the following statement below1. ____________________”My friend got 3 inches taller in one summer”
Answers
In this statement, the characteristic of life is growth, i.e the increase in number and size of cells.
The question is What serves as the ultimate control center of the body overseeing all communication among the organ systems?
Answers
Answer:
nervous system
Explanation:
the cns oversees every action our body does
I NEED HELP i literally dont understand this
Answers
Answer:Independent and Dependent variables
Explanation: 1. IV:fertilizer DV:grass
2.IV:salinity DV: goldfish
3.IV:minutes studied DV:effect of studying
4.IV:pesticides DV:size of apples
5.IV:amount he exercises DV:running a kilometer
6.IV:detergent DV: cleanliness of his clothes
7.IV:weight of dogs DV: puppies in litter
8.IV:time on social media DV:anxiety levels
9.IV:diet of rat DV: rats overall health
hope this helps :))
there is often cross sensitivity and cross resistance between penicillins and cephalosporins because
Answers
Answer:both drug classes contain beta-lactation ring that is vulnerable to beta=lactamase producing organisms
Explanation: